httpHeaders) {
String raw = httpHeaders.get("cookie");
if (raw != null) {
String[] tokens = raw.split(";");
for (String token : tokens) {
String[] data = token.trim().split("=");
if (data.length == 2) {
this.cookies.put(data[0], data[1]);
}
}
}
}
/**
* Set a cookie with an expiration date from a month ago, effectively
* deleting it on the client side.
*
* @param name
* The cookie name.
*/
public void delete(String name) {
set(name, "-delete-", -30);
}
@Override
public Iterator iterator() {
return this.cookies.keySet().iterator();
}
/**
* Read a cookie from the HTTP Headers.
*
* @param name
* The cookie's name.
* @return The cookie's value if it exists, null otherwise.
*/
public String read(String name) {
return this.cookies.get(name);
}
public void set(Cookie cookie) {
this.queue.add(cookie);
//cookies.put(cookie.n, cookie.v); // CHANGED
}
/**
* Sets a cookie.
*
* @param name
* The cookie's name.
* @param value
* The cookie's value.
* @param expires
* How many days until the cookie expires.
*/
public Cookie set(String name, String value, int expires) {
return addAndReturn(this.queue, new Cookie(name, value, Cookie.getHTTPTime(expires)));
}
/**
* Internally used by the webserver to add all queued cookies into the
* Response's HTTP Headers.
*
* @param response
* The Response object to which headers the queued cookies
* will be added.
*/
public void unloadQueue(Response response) {
for (Cookie cookie : this.queue) {
response.addHeader("Set-Cookie", cookie.getHTTPHeader());
}
}
}
/**
* Default threading strategy for NanoHTTPD.
*
*
* By default, the server spawns a new Thread for every incoming request.
* These are set to daemon status, and named according to the request
* number. The name is useful when profiling the application.
*
*/
public static class DefaultAsyncRunner implements AsyncRunner {
private long requestCount;
private final List running = Collections.synchronizedList(new ArrayList());
/**
* @return a list with currently running clients.
*/
public List getRunning() {
return running;
}
@Override
public void closeAll() {
// copy of the list for concurrency
for (ClientHandler clientHandler : new ArrayList(this.running)) {
clientHandler.close();
}
}
@Override
public void closed(ClientHandler clientHandler) {
this.running.remove(clientHandler);
}
@Override
public void exec(ClientHandler clientHandler) {
++this.requestCount;
Thread t = new Thread(clientHandler);
//t.setDaemon(true);
String clientIP = "?";
try { clientIP = clientHandler.acceptSocket.getInetAddress().getHostAddress().toString(); } catch (Throwable __e) { _handleException(__e); }
t.setName("NanoHttpd serving request #" + this.requestCount + " to " + clientIP);
this.running.add(clientHandler);
t.start();
}
}
/**
* Default strategy for creating and cleaning up temporary files.
*
*
* By default, files are created by File.createTempFile() in
* the directory specified.
*
*/
public static class DefaultTempFile implements TempFile {
private final File file;
private final OutputStream fstream;
public DefaultTempFile(String tempdir) throws IOException {
this.file = File.createTempFile("NanoHTTPD-", "", new File(tempdir));
this.fstream = new FileOutputStream(this.file);
System.err.println("Temp file created: " + file);
}
@Override
public void delete() throws Exception {
safeClose(this.fstream);
System.err.println("Temp file deleted: " + file);
if (!this.file.delete()) {
throw new Exception("could not delete temporary file");
}
}
@Override
public String getName() {
return this.file.getAbsolutePath();
}
@Override
public OutputStream open() throws Exception {
return this.fstream;
}
}
/**
* Default strategy for creating and cleaning up temporary files.
*
*
* This class stores its files in the standard location (that is, wherever
* java.io.tmpdir points to). Files are added to an internal
* list, and deleted when no longer needed (that is, when
* clear() is invoked at the end of processing a request).
*
*/
public static class DefaultTempFileManager implements TempFileManager {
private final String tmpdir;
private final List tempFiles;
public DefaultTempFileManager() {
this.tmpdir = tempDir().getPath(); // use JavaX, dude
// System.getProperty("java.io.tmpdir");
this.tempFiles = new ArrayList();
}
@Override
public void clear() {
for (TempFile file : this.tempFiles) {
try {
file.delete();
} catch (Exception ignored) {
NanoHTTPD.LOG.log(Level.WARNING, "could not delete file ", ignored);
}
}
this.tempFiles.clear();
}
@Override
public TempFile createTempFile() throws Exception {
DefaultTempFile tempFile = new DefaultTempFile(this.tmpdir);
this.tempFiles.add(tempFile);
return tempFile;
}
}
/**
* Default strategy for creating and cleaning up temporary files.
*/
private class DefaultTempFileManagerFactory implements TempFileManagerFactory {
@Override
public TempFileManager create() {
return new DefaultTempFileManager();
}
}
private static final String CONTENT_DISPOSITION_REGEX = "([ |\t]*Content-Disposition[ |\t]*:)(.*)";
private static final Pattern CONTENT_DISPOSITION_PATTERN = Pattern.compile(CONTENT_DISPOSITION_REGEX, Pattern.CASE_INSENSITIVE);
private static final String CONTENT_TYPE_REGEX = "([ |\t]*content-type[ |\t]*:)(.*)";
private static final Pattern CONTENT_TYPE_PATTERN = Pattern.compile(CONTENT_TYPE_REGEX, Pattern.CASE_INSENSITIVE);
private static final String CONTENT_DISPOSITION_ATTRIBUTE_REGEX = "[ |\t]*([a-zA-Z]*)[ |\t]*=[ |\t]*['|\"]([^\"^']*)['|\"]";
private static final Pattern CONTENT_DISPOSITION_ATTRIBUTE_PATTERN = Pattern.compile(CONTENT_DISPOSITION_ATTRIBUTE_REGEX);
class HTTPSession implements IHTTPSession {
boolean badClient = false;
long opened = sysNow();
public static final int BUFSIZE = 8192;
private final TempFileManager tempFileManager;
private final OutputStream outputStream;
private final PushbackInputStream inputStream;
private int splitbyte;
private int rlen;
private String uri;
private Method method;
private Map parms;
private Map headers;
Map files = new HashMap();
private CookieHandler cookies;
private String queryParameterString;
private String remoteIp;
private String protocolVersion;
public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream) {
this.tempFileManager = tempFileManager;
this.inputStream = new PushbackInputStream(inputStream, HTTPSession.BUFSIZE);
this.outputStream = outputStream;
}
public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream, InetAddress inetAddress) {
this.tempFileManager = tempFileManager;
this.inputStream = new PushbackInputStream(inputStream, HTTPSession.BUFSIZE);
this.outputStream = outputStream;
this.remoteIp = inetAddress.isLoopbackAddress() || inetAddress.isAnyLocalAddress() ? "127.0.0.1" : inetAddress.getHostAddress().toString();
this.headers = new LinkedHashMap();
}
public void badClient(boolean b) { badClient = b; }
/**
* Decodes the sent headers and loads the data into Key/value pairs
*/
private void decodeHeader(BufferedReader in, Map pre, Map parms, Map headers, Map files) throws ResponseException {
try {
// Read the request line
String inLine = in.readLine();
if (inLine == null) {
return;
}
StringTokenizer st = new StringTokenizer(inLine);
if (!st.hasMoreTokens()) {
throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Syntax error. Usage: GET /example/file.html");
}
pre.put("method", st.nextToken());
if (!st.hasMoreTokens()) {
throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Missing URI. Usage: GET /example/file.html");
}
String uri = st.nextToken();
// Decode parameters from the URI
int qmi = uri.indexOf('?');
if (qmi >= 0) {
String query = uri.substring(qmi + 1);
files.put("query", query);
decodeParms(query, parms);
uri = uri.substring(0, qmi);
}
if (decodePercentInURI)
uri = decodePercent(uri);
// If there's another token, its protocol version,
// followed by HTTP headers.
// NOTE: this now forces header names lower case since they are
// case insensitive and vary by client.
if (st.hasMoreTokens()) {
protocolVersion = st.nextToken();
} else {
protocolVersion = "HTTP/1.1";
NanoHTTPD.LOG.log(Level.FINE, "no protocol version specified, strange. Assuming HTTP/1.1.");
}
String line = in.readLine();
while (line != null && line.trim().length() > 0) {
int p = line.indexOf(':');
if (p >= 0) {
headers.put(line.substring(0, p).trim().toLowerCase(Locale.US), line.substring(p + 1).trim());
}
line = in.readLine();
}
pre.put("uri", uri);
} catch (IOException ioe) {
throw new ResponseException(Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage(), ioe);
}
}
/**
* Decodes the Multipart Body data and put it into Key/Value pairs.
*/
private void decodeMultipartFormData(String boundary, ByteBuffer fbuf, Map parms, Map files) throws ResponseException {
try {
int[] boundary_idxs = getBoundaryPositions(fbuf, boundary.getBytes());
if (boundary_idxs.length < 2) {
throw new ResponseException(
Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but contains less than two boundary strings.");
}
final int MAX_HEADER_SIZE = 1024;
byte[] part_header_buff = new byte[MAX_HEADER_SIZE];
for (int bi = 0; bi < boundary_idxs.length - 1; bi++) {
fbuf.position(boundary_idxs[bi]);
int len = (fbuf.remaining() < MAX_HEADER_SIZE) ? fbuf.remaining() : MAX_HEADER_SIZE;
fbuf.get(part_header_buff, 0, len);
ByteArrayInputStream bais = new ByteArrayInputStream(part_header_buff, 0, len);
BufferedReader in = new BufferedReader(new InputStreamReader(bais, Charset.forName("US-ASCII")));
// First line is boundary string
String mpline = in.readLine();
if (!mpline.contains(boundary)) {
throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but chunk does not start with boundary.");
}
String part_name = null, file_name = null, content_type = null;
// Parse the reset of the header lines
mpline = in.readLine();
while (mpline != null && mpline.trim().length() > 0) {
Matcher matcher = CONTENT_DISPOSITION_PATTERN.matcher(mpline);
if (matcher.matches()) {
String attributeString = matcher.group(2);
matcher = CONTENT_DISPOSITION_ATTRIBUTE_PATTERN.matcher(attributeString);
while (matcher.find()) {
String key = matcher.group(1);
if (key.equalsIgnoreCase("name")) {
part_name = matcher.group(2);
} else if (key.equalsIgnoreCase("filename")) {
file_name = matcher.group(2);
}
}
}
matcher = CONTENT_TYPE_PATTERN.matcher(mpline);
if (matcher.matches()) {
content_type = matcher.group(2).trim();
}
mpline = in.readLine();
}
// Read the part data
int part_header_len = len - (int) in.skip(MAX_HEADER_SIZE);
if (part_header_len >= len - 4) {
throw new ResponseException(Status.INTERNAL_ERROR, "Multipart header size exceeds MAX_HEADER_SIZE.");
}
int part_data_start = boundary_idxs[bi] + part_header_len;
int part_data_end = boundary_idxs[bi + 1] - 4;
fbuf.position(part_data_start);
if (content_type == null) {
// Read the part into a string
byte[] data_bytes = new byte[part_data_end - part_data_start];
fbuf.get(data_bytes);
parms.put(part_name, new String(data_bytes));
} else {
// Read it into a file
String path = saveTmpFile(fbuf, part_data_start, part_data_end - part_data_start);
if (!files.containsKey(part_name)) {
files.put(part_name, path);
} else {
int count = 2;
while (files.containsKey(part_name + count)) {
count++;
}
files.put(part_name + count, path);
}
parms.put(part_name, file_name);
}
}
} catch (ResponseException re) {
throw re;
} catch (Exception e) {
throw new ResponseException(Status.INTERNAL_ERROR, e.toString());
}
}
/**
* Decodes parameters in percent-encoded URI-format ( e.g.
* "name=Jack%20Daniels&pass=Single%20Malt" ) and adds them to given
* Map. NOTE: this doesn't support multiple identical keys due to the
* simplicity of Map.
*/
private void decodeParms(String parms, Map p) {
if (parms == null) {
this.queryParameterString = "";
return;
}
this.queryParameterString = parms;
StringTokenizer st = new StringTokenizer(parms, "&");
while (st.hasMoreTokens()) {
String e = st.nextToken();
int sep = e.indexOf('=');
if (sep >= 0) {
p.put(decodePercent(e.substring(0, sep)).trim(), decodePercent(e.substring(sep + 1)));
} else {
p.put(decodePercent(e).trim(), "");
}
}
}
@Override
public void execute() throws IOException {
Response r = null;
try {
// Read the first 8192 bytes.
// The full header should fit in here.
// Apache's default header limit is 8KB.
// Do NOT assume that a single read will get the entire header
// at once!
byte[] buf = new byte[HTTPSession.BUFSIZE];
this.splitbyte = 0;
this.rlen = 0;
int read = -1;
try {
read = this.inputStream.read(buf, 0, HTTPSession.BUFSIZE);
} catch (Exception e) {
safeClose(this.inputStream);
safeClose(this.outputStream);
throw new SocketException("NanoHttpd Shutdown");
}
if (read == -1) {
// socket was been closed
safeClose(this.inputStream);
safeClose(this.outputStream);
throw new SocketException("NanoHttpd Shutdown");
}
while (read > 0) {
this.rlen += read;
if (rlen >= buf.length) throw fail("Header too big (" + rlen + " bytes)");
this.splitbyte = findHeaderEnd(buf, this.rlen);
if (this.splitbyte > 0) {
break;
}
read = this.inputStream.read(buf, this.rlen, HTTPSession.BUFSIZE - this.rlen);
}
if (this.splitbyte < this.rlen) {
this.inputStream.unread(buf, this.splitbyte, this.rlen - this.splitbyte);
}
this.parms = new HashMap();
if (null == this.headers) {
this.headers = new HashMap();
} else {
this.headers.clear();
}
if (null != this.remoteIp) {
this.headers.put("remote-addr", this.remoteIp);
this.headers.put("http-client-ip", this.remoteIp);
}
// Create a BufferedReader for parsing the header.
BufferedReader hin = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(buf, 0, this.rlen)));
// Decode the header into parms and header java properties
Map pre = new LinkedHashMap();
decodeHeader(hin, pre, this.parms, this.headers, this.files);
this.method = Method.lookup(pre.get("method"));
if (this.method == null) {
throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Syntax error.");
}
this.uri = pre.get("uri");
this.cookies = new CookieHandler(this.headers);
String connection = this.headers.get("connection");
boolean keepAlive = protocolVersion.equals("HTTP/1.1") && (connection == null || !connection.matches("(?i).*close.*"));
// Ok, now do the serve()
r = serve(this);
if (badClient) return;
if (r == null) {
throw new ResponseException(Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: Serve() returned a null response.");
} else {
String acceptEncoding = this.headers.get("accept-encoding");
this.cookies.unloadQueue(r);
r.setRequestMethod(this.method);
r.setGzipEncoding(useGzipWhenAccepted(r) && acceptEncoding != null && acceptEncoding.contains("gzip"));
r.setKeepAlive(keepAlive);
r.send(this.outputStream);
}
if (!keepAlive || "close".equalsIgnoreCase(r.getHeader("connection"))) {
throw new SocketException("NanoHttpd Shutdown");
}
} catch (SocketException e) {
// throw it out to close socket object (finalAccept)
throw e;
} catch (SocketTimeoutException ste) {
// treat socket timeouts the same way we treat socket exceptions
// i.e. close the stream & finalAccept object by throwing the
// exception up the call stack.
throw ste;
} catch (IOException ioe) {
Response resp = newFixedLengthResponse(Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
resp.send(this.outputStream);
safeClose(this.outputStream);
} catch (ResponseException re) {
Response resp = newFixedLengthResponse(re.getStatus(), NanoHTTPD.MIME_PLAINTEXT, re.getMessage());
resp.send(this.outputStream);
safeClose(this.outputStream);
} finally {
if (badClient)
badClients.add(this);
else
safeClose(r);
this.tempFileManager.clear();
}
}
/**
* Find byte index separating header from body. It must be the last byte
* of the first two sequential new lines.
*/
private int findHeaderEnd(final byte[] buf, int rlen) {
int splitbyte = 0;
while (splitbyte + 3 < rlen) {
if (buf[splitbyte] == '\r' && buf[splitbyte + 1] == '\n' && buf[splitbyte + 2] == '\r' && buf[splitbyte + 3] == '\n') {
return splitbyte + 4;
}
splitbyte++;
}
return 0;
}
/**
* Find the byte positions where multipart boundaries start. This reads
* a large block at a time and uses a temporary buffer to optimize
* (memory mapped) file access.
*/
private int[] getBoundaryPositions(ByteBuffer b, byte[] boundary) {
int[] res = new int[0];
if (b.remaining() < boundary.length) {
return res;
}
int search_window_pos = 0;
byte[] search_window = new byte[4 * 1024 + boundary.length];
int first_fill = (b.remaining() < search_window.length) ? b.remaining() : search_window.length;
b.get(search_window, 0, first_fill);
int new_bytes = first_fill - boundary.length;
do {
// Search the search_window
for (int j = 0; j < new_bytes; j++) {
for (int i = 0; i < boundary.length; i++) {
if (search_window[j + i] != boundary[i])
break;
if (i == boundary.length - 1) {
// Match found, add it to results
int[] new_res = new int[res.length + 1];
System.arraycopy(res, 0, new_res, 0, res.length);
new_res[res.length] = search_window_pos + j;
res = new_res;
}
}
}
search_window_pos += new_bytes;
// Copy the end of the buffer to the start
System.arraycopy(search_window, search_window.length - boundary.length, search_window, 0, boundary.length);
// Refill search_window
new_bytes = search_window.length - boundary.length;
new_bytes = (b.remaining() < new_bytes) ? b.remaining() : new_bytes;
b.get(search_window, boundary.length, new_bytes);
} while (new_bytes > 0);
return res;
}
@Override
public CookieHandler getCookies() {
return this.cookies;
}
@Override
public final Map getHeaders() {
return this.headers;
}
@Override
public final Map getFiles() {
return this.files;
}
@Override
public final InputStream getInputStream() {
return this.inputStream;
}
@Override
public final Method getMethod() {
return this.method;
}
@Override
public final Map getParms() {
return this.parms;
}
@Override
public String getQueryParameterString() {
return this.queryParameterString;
}
private RandomAccessFile getTmpBucket() {
try {
TempFile tempFile = this.tempFileManager.createTempFile();
return new RandomAccessFile(tempFile.getName(), "rw");
} catch (Exception e) {
throw new Error(e); // we won't recover, so throw an error
}
}
@Override
public final String getUri() {
return this.uri;
}
@Override
public void parseBody() throws IOException, ResponseException {
final int REQUEST_BUFFER_LEN = 512;
final int MEMORY_STORE_LIMIT = 1024;
RandomAccessFile randomAccessFile = null;
try {
long size;
if (this.headers.containsKey("content-length")) {
size = Integer.parseInt(this.headers.get("content-length"));
} else if (this.splitbyte < this.rlen) {
size = this.rlen - this.splitbyte;
} else {
size = 0;
}
ByteArrayOutputStream baos = null;
DataOutput request_data_output = null;
// Store the request in memory or a file, depending on size
if (size < MEMORY_STORE_LIMIT) {
baos = new ByteArrayOutputStream();
request_data_output = new DataOutputStream(baos);
} else {
randomAccessFile = getTmpBucket();
request_data_output = randomAccessFile;
}
// Read all the body and write it to request_data_output
byte[] buf = new byte[REQUEST_BUFFER_LEN];
while (this.rlen >= 0 && size > 0) {
this.rlen = this.inputStream.read(buf, 0, (int) Math.min(size, REQUEST_BUFFER_LEN));
size -= this.rlen;
if (this.rlen > 0) {
request_data_output.write(buf, 0, this.rlen);
}
}
ByteBuffer fbuf = null;
if (baos != null) {
fbuf = ByteBuffer.wrap(baos.toByteArray(), 0, baos.size());
} else {
fbuf = randomAccessFile.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, randomAccessFile.length());
randomAccessFile.seek(0);
}
// If the method is POST, there may be parameters
// in data section, too, read it:
if (Method.POST.equals(this.method)) {
String contentType = "";
String contentTypeHeader = this.headers.get("content-type");
StringTokenizer st = null;
if (contentTypeHeader != null) {
st = new StringTokenizer(contentTypeHeader, ",; ");
if (st.hasMoreTokens()) {
contentType = st.nextToken();
}
}
if ("multipart/form-data".equalsIgnoreCase(contentType)) {
// Handle multipart/form-data
if (!st.hasMoreTokens()) {
throw new ResponseException(Status.BAD_REQUEST,
"BAD REQUEST: Content type is multipart/form-data but boundary missing. Usage: GET /example/file.html");
}
String boundaryStartString = "boundary=";
int boundaryContentStart = contentTypeHeader.indexOf(boundaryStartString) + boundaryStartString.length();
String boundary = contentTypeHeader.substring(boundaryContentStart, contentTypeHeader.length());
if (boundary.startsWith("\"") && boundary.endsWith("\"")) {
boundary = boundary.substring(1, boundary.length() - 1);
}
decodeMultipartFormData(boundary, fbuf, this.parms, files);
} else {
byte[] postBytes = new byte[fbuf.remaining()];
if (NanoHTTPD_debug)
print("NanoHTTPD: Handling POST data (" + l(postBytes) + " bytes)");
fbuf.get(postBytes);
String postLine = new String(postBytes).trim();
// Handle application/x-www-form-urlencoded
if ("application/x-www-form-urlencoded".equalsIgnoreCase(contentType)) {
decodeParms(postLine, this.parms);
} else if (postLine.length() != 0) {
// Special case for raw POST data => create a
// special files entry "postData" with raw content
// data
files.put("postData", postLine);
}
}
} else if (Method.PUT.equals(this.method)) {
files.put("content", saveTmpFile(fbuf, 0, fbuf.limit()));
}
} finally {
safeClose(randomAccessFile);
}
}
/**
* Retrieves the content of a sent file and saves it to a temporary
* file. The full path to the saved file is returned.
*/
private String saveTmpFile(ByteBuffer b, int offset, int len) {
String path = "";
if (len > 0) {
FileOutputStream fileOutputStream = null;
try {
TempFile tempFile = this.tempFileManager.createTempFile();
ByteBuffer src = b.duplicate();
fileOutputStream = new FileOutputStream(tempFile.getName());
FileChannel dest = fileOutputStream.getChannel();
src.position(offset).limit(offset + len);
dest.write(src.slice());
path = tempFile.getName();
} catch (Exception e) { // Catch exception if any
throw new Error(e); // we won't recover, so throw an error
} finally {
safeClose(fileOutputStream);
}
}
return path;
}
}
/**
* Handles one session, i.e. parses the HTTP request and returns the
* response.
*/
public interface IHTTPSession {
void badClient(boolean b);
void execute() throws IOException;
CookieHandler getCookies();
Map getHeaders();
Map getFiles();
InputStream getInputStream();
Method getMethod();
Map getParms();
String getQueryParameterString();
/**
* @return the path part of the URL.
*/
String getUri();
/**
* Adds the files in the request body to the files map.
*
* @param files
* map to modify
*/
void parseBody() throws IOException, ResponseException;
}
/**
* HTTP Request methods, with the ability to decode a String
* back to its enum value.
*/
public enum Method {
GET,
PUT,
POST,
DELETE,
HEAD,
OPTIONS,
TRACE,
CONNECT,
PATCH;
static Method lookup(String method) {
for (Method m : Method.values()) {
if (m.toString().equalsIgnoreCase(method)) {
return m;
}
}
return null;
}
}
/**
* HTTP response. Return one of these from serve().
*/
public static class Response implements Closeable {
/**
* Output stream that will automatically send every write to the wrapped
* OutputStream according to chunked transfer:
* http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.6.1
*/
private static class ChunkedOutputStream extends FilterOutputStream {
public ChunkedOutputStream(OutputStream out) {
super(out);
}
@Override
public void write(int b) throws IOException {
byte[] data = {
(byte) b
};
write(data, 0, 1);
}
@Override
public void write(byte[] b) throws IOException {
write(b, 0, b.length);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
if (len == 0)
return;
out.write(String.format("%x\r\n", len).getBytes());
out.write(b, off, len);
out.write("\r\n".getBytes());
}
public void finish() throws IOException {
out.write("0\r\n\r\n".getBytes());
}
}
/**
* HTTP status code after processing, e.g. "200 OK", Status.OK
*/
private IStatus status;
/**
* MIME type of content, e.g. "text/html"
*/
private String mimeType;
/**
* Data of the response, may be null.
*/
private InputStream data;
private long contentLength;
/**
* Headers for the HTTP response. Use addHeader() to add lines.
*/
//private final Map header = new HashMap();
final Map header = lithashmap("X-Powered-By", "JavaX");
/**
* The request method that spawned this response.
*/
private Method requestMethod;
/**
* Use chunkedTransfer
*/
private boolean chunkedTransfer = false;
private boolean encodeAsGzip = false;
private boolean keepAlive = false;
/**
* Creates a fixed length response if totalBytes>=0, otherwise chunked.
*/
protected Response(IStatus status, String mimeType, InputStream data, long totalBytes) {
this.status = status;
this.mimeType = mimeType;
if (data == null) {
this.data = new ByteArrayInputStream(new byte[0]);
this.contentLength = 0L;
} else {
this.data = data;
this.contentLength = totalBytes;
}
this.chunkedTransfer = this.contentLength < 0;
keepAlive = true;
}
@Override
public void close() throws IOException {
if (this.data != null) {
this.data.close();
}
}
/**
* Adds given line to the header.
*/
public void addHeader(String name, String value) {
this.header.put(name, value);
}
public InputStream getData() {
return this.data;
}
public String getHeader(String name) {
for (String headerName : header.keySet()) {
if (headerName.equalsIgnoreCase(name)) {
return header.get(headerName);
}
}
return null;
}
public String getMimeType() {
return this.mimeType;
}
public Method getRequestMethod() {
return this.requestMethod;
}
public IStatus getStatus() {
return this.status;
}
public void setGzipEncoding(boolean encodeAsGzip) {
this.encodeAsGzip = encodeAsGzip;
}
public void setKeepAlive(boolean useKeepAlive) {
this.keepAlive = useKeepAlive;
}
private boolean headerAlreadySent(Map header, String name) {
boolean alreadySent = false;
for (String headerName : header.keySet()) {
alreadySent |= headerName.equalsIgnoreCase(name);
}
return alreadySent;
}
/**
* Sends given response to the socket.
*/
protected void send(OutputStream outputStream) {
String mime = this.mimeType;
SimpleDateFormat gmtFrmt = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss 'GMT'", Locale.US);
gmtFrmt.setTimeZone(TimeZone.getTimeZone("GMT"));
try {
if (this.status == null) {
throw new Error("sendResponse(): Status can't be null.");
}
PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8")), false);
pw.print("HTTP/1.1 " + this.status.getDescription() + " \r\n");
if (mime != null) {
pw.print("Content-Type: " + mime + "\r\n");
}
if (this.header == null || this.header.get("Date") == null) {
pw.print("Date: " + gmtFrmt.format(new Date()) + "\r\n");
}
if (this.header != null) {
for (String key : this.header.keySet()) {
String value = this.header.get(key);
pw.print(key + ": " + value + "\r\n");
}
}
if (!headerAlreadySent(header, "connection")) {
pw.print("Connection: " + (this.keepAlive ? "keep-alive" : "close") + "\r\n");
}
if (headerAlreadySent(this.header, "content-length")) {
encodeAsGzip = false;
}
if (encodeAsGzip) {
pw.print("Content-Encoding: gzip\r\n");
setChunkedTransfer(true);
}
long pending = this.data != null ? this.contentLength : 0;
if (this.requestMethod != Method.HEAD && this.chunkedTransfer) {
pw.print("Transfer-Encoding: chunked\r\n");
} else if (!encodeAsGzip) {
pending = sendContentLengthHeaderIfNotAlreadyPresent(pw, this.header, pending);
}
pw.print("\r\n");
pw.flush();
sendBodyWithCorrectTransferAndEncoding(outputStream, pending);
outputStream.flush();
safeClose(this.data);
} catch (IOException ioe) {
NanoHTTPD.LOG.log(Level.SEVERE, "Could not send response to the client", ioe);
}
}
private void sendBodyWithCorrectTransferAndEncoding(OutputStream outputStream, long pending) throws IOException {
if (this.requestMethod != Method.HEAD && this.chunkedTransfer) {
ChunkedOutputStream chunkedOutputStream = new ChunkedOutputStream(outputStream);
sendBodyWithCorrectEncoding(chunkedOutputStream, -1);
chunkedOutputStream.finish();
} else {
sendBodyWithCorrectEncoding(outputStream, pending);
}
}
private void sendBodyWithCorrectEncoding(OutputStream outputStream, long pending) throws IOException {
if (encodeAsGzip) {
GZIPOutputStream gzipOutputStream = new GZIPOutputStream(outputStream);
sendBody(gzipOutputStream, -1);
gzipOutputStream.finish();
} else {
sendBody(outputStream, pending);
}
}
/**
* Sends the body to the specified OutputStream. The pending parameter
* limits the maximum amounts of bytes sent unless it is -1, in which
* case everything is sent.
*
* @param outputStream
* the OutputStream to send data to
* @param pending
* -1 to send everything, otherwise sets a max limit to the
* number of bytes sent
* @throws IOException
* if something goes wrong while sending the data.
*/
private void sendBody(OutputStream outputStream, long pending) throws IOException {
long BUFFER_SIZE = 16 * 1024;
byte[] buff = new byte[(int) BUFFER_SIZE];
boolean sendEverything = pending == -1;
while (pending > 0 || sendEverything) {
long bytesToRead = sendEverything ? BUFFER_SIZE : Math.min(pending, BUFFER_SIZE);
int read = this.data.read(buff, 0, (int) bytesToRead);
if (read <= 0) {
break;
}
outputStream.write(buff, 0, read);
if (!sendEverything) {
pending -= read;
}
}
}
protected long sendContentLengthHeaderIfNotAlreadyPresent(PrintWriter pw, Map header, long size) {
for (String headerName : header.keySet()) {
if (headerName.equalsIgnoreCase("content-length")) {
try {
return Long.parseLong(header.get(headerName));
} catch (NumberFormatException ex) {
return size;
}
}
}
pw.print("Content-Length: " + size + "\r\n");
return size;
}
public void setChunkedTransfer(boolean chunkedTransfer) {
this.chunkedTransfer = chunkedTransfer;
}
public void setData(InputStream data) {
this.data = data;
}
public void setMimeType(String mimeType) {
this.mimeType = mimeType;
}
public void setRequestMethod(Method requestMethod) {
this.requestMethod = requestMethod;
}
public void setStatus(IStatus status) {
this.status = status;
}
}
public static final class ResponseException extends Exception {
private static final long serialVersionUID = 6569838532917408380L;
private final Status status;
public ResponseException(Status status, String message) {
super(message);
this.status = status;
}
public ResponseException(Status status, String message, Exception e) {
super(message, e);
this.status = status;
}
public Status getStatus() {
return this.status;
}
}
/**
* The runnable that will be used for the main listening thread.
*/
public class ServerRunnable implements Runnable {
private final int timeout;
private IOException bindException;
private boolean hasBinded = false;
private ServerRunnable(int timeout) {
this.timeout = timeout;
}
@Override
public void run() {
try {
myServerSocket.bind(hostname != null ? new InetSocketAddress(hostname, myPort) : new InetSocketAddress(myPort));
hasBinded = true;
} catch (IOException e) {
print("Was trying to bind to port: " + myPort + (hostname == null ? "" : " on " + hostname));
this.bindException = e;
return;
}
do {
try {
final Socket finalAccept = NanoHTTPD.this.myServerSocket.accept();
if (NanoHTTPD_debug) print("NanoHTTPD: New socket.");
if (this.timeout > 0) {
finalAccept.setSoTimeout(this.timeout);
}
final InputStream inputStream = wrapStuff("SocketInputStream", finalAccept.getInputStream(), finalAccept, NanoHTTPD.this.myServerSocket);
NanoHTTPD.this.asyncRunner.exec(createClientHandler(finalAccept, inputStream));
} catch (IOException e) {
NanoHTTPD.LOG.log(Level.FINE, "Communication with the client broken", e);
}
} while (!NanoHTTPD.this.myServerSocket.isClosed());
}
}
/**
* A temp file.
*
*
* Temp files are responsible for managing the actual temporary storage and
* cleaning themselves up when no longer needed.
*
*/
public interface TempFile {
void delete() throws Exception;
String getName();
OutputStream open() throws Exception;
}
/**
* Temp file manager.
*
*
* Temp file managers are created 1-to-1 with incoming requests, to create
* and cleanup temporary files created as a result of handling the request.
*
*/
public interface TempFileManager {
void clear();
TempFile createTempFile() throws Exception;
}
/**
* Factory to create temp file managers.
*/
public interface TempFileManagerFactory {
TempFileManager create();
}
/**
* Maximum time to wait on Socket.getInputStream().read() (in milliseconds)
* This is required as the Keep-Alive HTTP connections would otherwise block
* the socket reading thread forever (or as long the browser is open).
*/
public static int SOCKET_READ_TIMEOUT =
// 5000;
24*3600*1000; // for WebSockets!
/**
* Common MIME type for dynamic content: plain text
*/
public static final String MIME_PLAINTEXT = "text/plain; charset=utf-8";
/**
* Common MIME type for dynamic content: html
*/
public static final String MIME_HTML = "text/html; charset=utf-8";
/**
* Pseudo-Parameter to use to store the actual query string in the
* parameters map for later re-processing.
*/
private static final String QUERY_STRING_PARAMETER = "NanoHttpd.QUERY_STRING";
/**
* logger to log to.
*/
private static final Logger LOG = Logger.getLogger(NanoHTTPD.class.getName());
/**
* Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and an
* array of loaded KeyManagers. These objects must properly
* loaded/initialized by the caller.
*/
public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore, KeyManager[] keyManagers) throws IOException {
SSLServerSocketFactory res = null;
try {
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init(loadedKeyStore);
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(keyManagers, trustManagerFactory.getTrustManagers(), null);
res = ctx.getServerSocketFactory();
} catch (Exception e) {
throw new IOException(e.getMessage());
}
return res;
}
/**
* Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and a
* loaded KeyManagerFactory. These objects must properly loaded/initialized
* by the caller.
*/
public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore, KeyManagerFactory loadedKeyFactory) throws IOException {
SSLServerSocketFactory res = null;
try {
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init(loadedKeyStore);
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(loadedKeyFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null);
res = ctx.getServerSocketFactory();
} catch (Exception e) {
throw new IOException(e.getMessage());
}
return res;
}
/**
* Creates an SSLSocketFactory for HTTPS. Pass a KeyStore resource with your
* certificate and passphrase
*/
public static SSLServerSocketFactory makeSSLSocketFactory(String keyAndTrustStoreClasspathPath, char[] passphrase) throws IOException {
SSLServerSocketFactory res = null;
try {
KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
InputStream keystoreStream = NanoHTTPD.class.getResourceAsStream(keyAndTrustStoreClasspathPath);
keystore.load(keystoreStream, passphrase);
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init(keystore);
KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
keyManagerFactory.init(keystore, passphrase);
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(keyManagerFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null);
res = ctx.getServerSocketFactory();
} catch (Exception e) {
throw new IOException(e.getMessage());
}
return res;
}
private static final void safeClose(Object closeable) {
try {
if (closeable != null) {
if (closeable instanceof Closeable) {
((Closeable) closeable).close();
} else if (closeable instanceof Socket) {
((Socket) closeable).close();
} else if (closeable instanceof ServerSocket) {
((ServerSocket) closeable).close();
} else {
throw new IllegalArgumentException("Unknown object to close");
}
}
} catch (IOException e) {
NanoHTTPD.LOG.log(Level.SEVERE, "Could not close", e);
}
}
private final String hostname;
private final int myPort;
private ServerSocket myServerSocket;
private SSLServerSocketFactory sslServerSocketFactory;
private Thread myThread;
/**
* Pluggable strategy for asynchronously executing requests.
*/
protected AsyncRunner asyncRunner;
/**
* Pluggable strategy for creating and cleaning up temporary files.
*/
private TempFileManagerFactory tempFileManagerFactory;
/**
* Constructs an HTTP server on given port.
*/
public NanoHTTPD(int port) {
this(null, port);
}
// -------------------------------------------------------------------------------
// //
//
// Threading Strategy.
//
// -------------------------------------------------------------------------------
// //
/**
* Constructs an HTTP server on given hostname and port.
*/
public NanoHTTPD(String hostname, int port) {
this.hostname = hostname;
this.myPort = port;
setTempFileManagerFactory(new DefaultTempFileManagerFactory());
setAsyncRunner(new DefaultAsyncRunner());
}
/**
* Forcibly closes all connections that are open.
*/
public synchronized void closeAllConnections() {
stop();
}
/**
* create a instance of the client handler, subclasses can return a subclass
* of the ClientHandler.
*
* @param finalAccept
* the socket the cleint is connected to
* @param inputStream
* the input stream
* @return the client handler
*/
protected ClientHandler createClientHandler(final Socket finalAccept, final InputStream inputStream) {
return new ClientHandler(inputStream, finalAccept);
}
/**
* Instantiate the server runnable, can be overwritten by subclasses to
* provide a subclass of the ServerRunnable.
*
* @param timeout
* the socet timeout to use.
* @return the server runnable.
*/
protected ServerRunnable createServerRunnable(final int timeout) {
return new ServerRunnable(timeout);
}
/**
* Decode parameters from a URL, handing the case where a single parameter
* name might have been supplied several times, by return lists of values.
* In general these lists will contain a single element.
*
* @param parms
* original NanoHTTPD parameters values, as passed to the
* serve() method.
* @return a map of String (parameter name) to
* List<String> (a list of the values supplied).
*/
protected Map> decodeParameters(Map parms) {
return this.decodeParameters(parms.get(NanoHTTPD.QUERY_STRING_PARAMETER));
}
// -------------------------------------------------------------------------------
// //
/**
* Decode parameters from a URL, handing the case where a single parameter
* name might have been supplied several times, by return lists of values.
* In general these lists will contain a single element.
*
* @param queryString
* a query string pulled from the URL.
* @return a map of String (parameter name) to
* List<String> (a list of the values supplied).
*/
protected Map> decodeParameters(String queryString) {
Map> parms = new HashMap>();
if (queryString != null) {
StringTokenizer st = new StringTokenizer(queryString, "&");
while (st.hasMoreTokens()) {
String e = st.nextToken();
int sep = e.indexOf('=');
String propertyName = sep >= 0 ? decodePercent(e.substring(0, sep)).trim() : decodePercent(e).trim();
if (!parms.containsKey(propertyName)) {
parms.put(propertyName, new ArrayList());
}
String propertyValue = sep >= 0 ? decodePercent(e.substring(sep + 1)) : null;
// XXX Stefan - allow raw parameters - took the if out:
/* if (propertyValue != null) */ {
parms.get(propertyName).add(propertyValue);
}
}
}
return parms;
}
/**
* Decode percent encoded String values.
*
* @param str
* the percent encoded String
* @return expanded form of the input, for example "foo%20bar" becomes
* "foo bar"
*/
protected String decodePercent(String str) {
String decoded = null;
try {
decoded = URLDecoder.decode(str, "UTF8");
} catch (UnsupportedEncodingException ignored) {
NanoHTTPD.LOG.log(Level.WARNING, "Encoding not supported, ignored", ignored);
}
return decoded;
}
/**
* @return true if the gzip compression should be used if the client
* accespts it. Default this option is on for text content and off
* for everything else.
*/
protected boolean useGzipWhenAccepted(Response r) {
return r.getMimeType() != null && r.getMimeType().toLowerCase().contains("text/");
}
public final int getListeningPort() {
return this.myServerSocket == null ? -1 : this.myServerSocket.getLocalPort();
}
public final boolean isAlive() {
return wasStarted() && !this.myServerSocket.isClosed() && this.myThread.isAlive();
}
public void join() throws InterruptedException {
myThread.join();
}
/**
* Call before start() to serve over HTTPS instead of HTTP
*/
public void makeSecure(SSLServerSocketFactory sslServerSocketFactory) {
this.sslServerSocketFactory = sslServerSocketFactory;
}
/**
* Create a response with unknown length (using HTTP 1.1 chunking).
*/
public Response newChunkedResponse(IStatus status, String mimeType, InputStream data) {
return new Response(status, mimeType, data, -1);
}
/**
* Create a response with known length.
*/
public static Response newFixedLengthResponse(IStatus status, String mimeType, InputStream data, long totalBytes) {
return new Response(status, mimeType, data, totalBytes);
}
/**
* Create a text response with known length.
*/
public static Response newFixedLengthResponse(IStatus status, String mimeType, String txt) {
if (txt == null) {
return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(new byte[0]), 0);
} else {
byte[] bytes;
try {
bytes = txt.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
NanoHTTPD.LOG.log(Level.SEVERE, "encoding problem, responding nothing", e);
bytes = new byte[0];
}
return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(bytes), bytes.length);
}
}
/**
* Create a text response with known length.
*/
public static Response newFixedLengthResponse(String msg) {
return newFixedLengthResponse(Status.OK, NanoHTTPD.MIME_HTML, msg);
}
/**
* Override this to customize the server.
*
*
* (By default, this returns a 404 "Not Found" plain text error response.)
*
* @param session
* The HTTP session
* @return HTTP response, see class Response for details
*/
public Response serve(IHTTPSession session) {
currentSession.set(session);
Method method = session.getMethod();
if (Method.PUT.equals(method) || Method.POST.equals(method)) {
try {
session.parseBody();
} catch (IOException ioe) {
return newFixedLengthResponse(Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
} catch (ResponseException re) {
return newFixedLengthResponse(re.getStatus(), NanoHTTPD.MIME_PLAINTEXT, re.getMessage());
}
}
Map parms = session.getParms();
if (!noQueryStringParameter)
parms.put(NanoHTTPD.QUERY_STRING_PARAMETER, session.getQueryParameterString());
return serve(session.getUri(), method, session.getHeaders(), parms, session.getFiles());
}
/**
* Override this to customize the server.
*
*
* (By default, this returns a 404 "Not Found" plain text error response.)
*
* @param uri
* Percent-decoded URI without parameters, for example
* "/index.cgi"
* @param method
* "GET", "POST" etc.
* @param parms
* Parsed, percent decoded parameters from URI and, in case of
* POST, data.
* @param headers
* Header entries, percent decoded
* @return HTTP response, see class Response for details
*/
@Deprecated
public Response serve(String uri, Method method, Map headers, Map parms, Map files) {
return newFixedLengthResponse(Status.NOT_FOUND, NanoHTTPD.MIME_PLAINTEXT, "Not Found");
}
/**
* Pluggable strategy for asynchronously executing requests.
*
* @param asyncRunner
* new strategy for handling threads.
*/
public void setAsyncRunner(AsyncRunner asyncRunner) {
this.asyncRunner = asyncRunner;
}
/**
* Pluggable strategy for creating and cleaning up temporary files.
*
* @param tempFileManagerFactory
* new strategy for handling temp files.
*/
public void setTempFileManagerFactory(TempFileManagerFactory tempFileManagerFactory) {
this.tempFileManagerFactory = tempFileManagerFactory;
}
/**
* Start the server.
*
* @throws IOException
* if the socket is in use.
*/
public void start() throws IOException {
start(NanoHTTPD.SOCKET_READ_TIMEOUT);
}
/**
* Start the server.
*
* @param timeout
* timeout to use for socket connections.
* @throws IOException
* if the socket is in use.
*/
public void start(final int timeout) throws IOException {
boolean ssl = this.sslServerSocketFactory != null;
if (ssl) {
SSLServerSocket ss = (SSLServerSocket) this.sslServerSocketFactory.createServerSocket();
ss.setNeedClientAuth(false);
this.myServerSocket = ss;
} else {
this.myServerSocket = new ServerSocket();
}
this.myServerSocket.setReuseAddress(true);
ServerRunnable serverRunnable = createServerRunnable(timeout);
this.myThread = new Thread(serverRunnable);
//this.myThread.setDaemon(true);
this.myThread.setName("NanoHttpd Main Listener");
this.myThread.start();
while (!serverRunnable.hasBinded && serverRunnable.bindException == null) {
try {
Thread.sleep(10L);
} catch (Throwable e) {
// on android this may not be allowed, that's why we
// catch throwable the wait should be very short because we are
// just waiting for the bind of the socket
}
}
if (serverRunnable.bindException != null) {
throw serverRunnable.bindException;
}
System.out.println("HTTP" + (ssl ? "S" : "") + " server started (listening on port " + getListeningPort() + "!)");
printMyIPs();
}
/**
* Stop the server.
*/
public void stop() {
try {
safeClose(this.myServerSocket);
this.asyncRunner.closeAll();
if (this.myThread != null) {
this.myThread.join();
}
} catch (Exception e) {
NanoHTTPD.LOG.log(Level.SEVERE, "Could not stop all connections", e);
}
}
public final boolean wasStarted() {
return this.myServerSocket != null && this.myThread != null;
}
static void printMyIPs() {
String ip;
try {
Enumeration interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
NetworkInterface iface = interfaces.nextElement();
// filters out 127.0.0.1 and inactive interfaces
if (iface.isLoopback() || !iface.isUp())
continue;
Enumeration addresses = iface.getInetAddresses();
while(addresses.hasMoreElements()) {
InetAddress addr = addresses.nextElement();
ip = addr.getHostAddress();
if (ip.startsWith("127.")) continue;
boolean local = addr.isSiteLocalAddress() || ip.startsWith("fe");
System.out.println(iface.getDisplayName() + " " + ip + " " + (local ? "(private address)" : "(public address)"));
}
}
} catch (Throwable e) {
e.printStackTrace();
}
}
static interface IStatus {
String getDescription();
int getRequestStatus();
}
/**
* Some HTTP response status codes
*/
static enum Status implements IStatus {
SWITCH_PROTOCOL(101, "Switching Protocols"),
OK(200, "OK"),
CREATED(201, "Created"),
ACCEPTED(202, "Accepted"),
NO_CONTENT(204, "No Content"),
PARTIAL_CONTENT(206, "Partial Content"),
REDIRECT(301, "Moved Permanently"),
NOT_MODIFIED(304, "Not Modified"),
BAD_REQUEST(400, "Bad Request"),
UNAUTHORIZED(401, "Unauthorized"),
FORBIDDEN(403, "Forbidden"),
NOT_FOUND(404, "Not Found"),
METHOD_NOT_ALLOWED(405, "Method Not Allowed"),
REQUEST_TIMEOUT(408, "Request Timeout"),
RANGE_NOT_SATISFIABLE(416, "Requested Range Not Satisfiable"),
INTERNAL_ERROR(500, "Internal Server Error"),
UNSUPPORTED_HTTP_VERSION(505, "HTTP Version Not Supported");
private final int requestStatus;
private final String description;
Status(int requestStatus, String description) {
this.requestStatus = requestStatus;
this.description = description;
}
@Override
public String getDescription() {
return "" + this.requestStatus + " " + this.description;
}
@Override
public int getRequestStatus() {
return this.requestStatus;
}
}
int getPort() { return myPort; }
public void close() { stop(); }
}
static abstract class F1 {
abstract B get(A a);
}static class Pair implements Comparable> {
A a;
B b;
Pair() {}
Pair(A a, B b) {
this.b = b;
this.a = a;}
public int hashCode() {
return hashCodeFor(a) + 2*hashCodeFor(b);
}
public boolean equals(Object o) {
if (o == this) return true;
if (!(o instanceof Pair)) return false;
Pair t = (Pair) o;
return eq(a, t.a) && eq(b, t.b);
}
public String toString() {
return "<" + a + ", " + b + ">";
}
public int compareTo(Pair p) {
if (p == null) return 1;
int i = ((Comparable) a).compareTo(p.a);
if (i != 0) return i;
return ((Comparable) b).compareTo(p.b);
}
}
static interface IVF1 {
void get(A a);
}
static boolean isAbstract(Class c) {
return (c.getModifiers() & Modifier.ABSTRACT) != 0;
}
static boolean isAbstract(Method m) {
return (m.getModifiers() & Modifier.ABSTRACT) != 0;
}
static boolean reflection_isForbiddenMethod(Method m) {
return m.getDeclaringClass() == Object.class
&& eqOneOf(m.getName(), "finalize", "clone", "registerNatives");
}
static Set allInterfacesImplementedBy(Class c) {
if (c == null) return null;
HashSet set = new HashSet();
allInterfacesImplementedBy_find(c, set);
return set;
}
static void allInterfacesImplementedBy_find(Class c, Set set) {
if (c.isInterface() && !set.add(c)) return;
do {
for (Class intf : c.getInterfaces())
allInterfacesImplementedBy_find(intf, set);
} while ((c = c.getSuperclass()) != null);
}
static Method findMethod(Object o, String method, Object... args) {
return findMethod_cached(o, method, args);
}
static boolean findMethod_checkArgs(Method m, Object[] args, boolean debug) {
Class[] types = m.getParameterTypes();
if (types.length != args.length) {
if (debug)
System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
return false;
}
for (int i = 0; i < types.length; i++)
if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
if (debug)
System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
return false;
}
return true;
}
static Method findStaticMethod(Class c, String method, Object... args) {
Class _c = c;
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (!m.getName().equals(method))
continue;
if ((m.getModifiers() & Modifier.STATIC) == 0 || !findStaticMethod_checkArgs(m, args))
continue;
return m;
}
c = c.getSuperclass();
}
return null;
}
static boolean findStaticMethod_checkArgs(Method m, Object[] args) {
Class[] types = m.getParameterTypes();
if (types.length != args.length)
return false;
for (int i = 0; i < types.length; i++)
if (!(args[i] == null || isInstanceX(types[i], args[i])))
return false;
return true;
}
static String unquote(String s) {
if (s == null) return null;
if (startsWith(s, '[')) {
int i = 1;
while (i < s.length() && s.charAt(i) == '=') ++i;
if (i < s.length() && s.charAt(i) == '[') {
String m = s.substring(1, i);
if (s.endsWith("]" + m + "]"))
return s.substring(i+1, s.length()-i-1);
}
}
if (s.length() > 1) {
char c = s.charAt(0);
if (c == '\"' || c == '\'') {
int l = endsWith(s, c) ? s.length()-1 : s.length();
StringBuilder sb = new StringBuilder(l-1);
for (int i = 1; i < l; i++) {
char ch = s.charAt(i);
if (ch == '\\') {
char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
// Octal escape?
if (nextChar >= '0' && nextChar <= '7') {
String code = "" + nextChar;
i++;
if ((i < l - 1) && s.charAt(i + 1) >= '0'
&& s.charAt(i + 1) <= '7') {
code += s.charAt(i + 1);
i++;
if ((i < l - 1) && s.charAt(i + 1) >= '0'
&& s.charAt(i + 1) <= '7') {
code += s.charAt(i + 1);
i++;
}
}
sb.append((char) Integer.parseInt(code, 8));
continue;
}
switch (nextChar) {
case '\"': ch = '\"'; break;
case '\\': ch = '\\'; break;
case 'b': ch = '\b'; break;
case 'f': ch = '\f'; break;
case 'n': ch = '\n'; break;
case 'r': ch = '\r'; break;
case 't': ch = '\t'; break;
case '\'': ch = '\''; break;
// Hex Unicode: u????
case 'u':
if (i >= l - 5) {
ch = 'u';
break;
}
int code = Integer.parseInt(
"" + s.charAt(i + 2) + s.charAt(i + 3)
+ s.charAt(i + 4) + s.charAt(i + 5), 16);
sb.append(Character.toChars(code));
i += 5;
continue;
default:
ch = nextChar; // added by Stefan
}
i++;
}
sb.append(ch);
}
return sb.toString();
}
}
return s; // not quoted - return original
}
static List quoteAll(Collection l) {
List x = new ArrayList();
for (String s : l)
x.add(quote(s));
return x;
}
static int _hashCode(Object a) {
return a == null ? 0 : a.hashCode();
}
static ArrayList toList(A[] a) { return asList(a); }
static ArrayList toList(int[] a) { return asList(a); }
static ArrayList toList(Set s) { return asList(s); }
static ArrayList toList(Iterable s) { return asList(s); }
static boolean arraysEqual(Object[] a, Object[] b) {
if (a.length != b.length) return false;
for (int i = 0; i < a.length; i++)
if (neq(a[i], b[i])) return false;
return true;
}
static boolean nempty(Collection c) {
return !empty(c);
}
static boolean nempty(CharSequence s) {
return !empty(s);
}
static boolean nempty(Object[] o) { return !empty(o); }
static boolean nempty(byte[] o) { return !empty(o); }
static boolean nempty(int[] o) { return !empty(o); }
static boolean nempty(Map m) {
return !empty(m);
}
static boolean nempty(Iterator i) {
return i != null && i.hasNext();
}
static boolean nempty(Object o) { return !empty(o); }
static boolean nempty(IntRange r) { return !empty(r); }
static A set(A o, String field, Object value) {
if (o == null) return null;
if (o instanceof Class) set((Class) o, field, value);
else try {
Field f = set_findField(o.getClass(), field);
makeAccessible(f);
smartSet(f, o, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
return o;
}
static void set(Class c, String field, Object value) {
if (c == null) return;
try {
Field f = set_findStaticField(c, field);
makeAccessible(f);
smartSet(f, null, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field set_findStaticField(Class c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}
static Field set_findField(Class c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field))
return f;
_c = _c.getSuperclass();
} while (_c != null);
throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static Iterator iterator(Iterable c) {
return c == null ? emptyIterator() : c.iterator();
}
static A addAndReturn(Collection c, A a) {
if (c != null) c.add(a);
return a;
}
static File tempDir() {
return makeTempDir();
}
static File createTempFile() {
return createTempFile("tmp", null);
}
static File createTempFile(String prefix, String suffix) { try {
prefix = nohup_sanitize(prefix);
suffix = nohup_sanitize(suffix);
if (shouldKeepTempFiles())
return mkdirsForFile(javaxCachesDir("Temp/" + prefix + "-" + randomID() + "-" + suffix));
// File.createTempFile needs at least 3 prefix characters, so we
// fíll them up for you
File f = File.createTempFile(takeFirst(10, pad(prefix, 3, '-')), suffix);
f.deleteOnExit();
return f;
} catch (Exception __e) { throw rethrow(__e); } }
static long sysNow() {
ping();
return System.nanoTime()/1000000;
}
static HashMap lithashmap(Object... x) {
return litmap(x);
}
// name currently not used, we only call a method called "_wrap" in
// the main class with the to-wrapped object as first argument and
// a list of other parameters as second argument.
static A wrapStuff(String name, A object, Object... args) {
//ret or(object, (A) callOpt(mc(), "wrap" + name,
// toObjectArray(concatLists(litlist((O) object), toList(args)))));
return or((A) callOpt(mc(), "_wrap", object, asList(args)), object);
}
static void printMyIPs() {
String ip;
try {
Enumeration interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
NetworkInterface iface = interfaces.nextElement();
// filters out 127.0.0.1 and inactive interfaces
if (iface.isLoopback() || !iface.isUp())
continue;
Enumeration addresses = iface.getInetAddresses();
while(addresses.hasMoreElements()) {
InetAddress addr = addresses.nextElement();
ip = addr.getHostAddress();
if (ip.startsWith("127.")) continue;
boolean local = addr.isSiteLocalAddress() || ip.startsWith("fe");
System.out.println(iface.getDisplayName() + " " + ip + " " + (local ? "(private address)" : "(public address)"));
}
}
} catch (Throwable e) {
e.printStackTrace();
}
}
static int hashCodeFor(Object a) {
return a == null ? 0 : a.hashCode();
}
static Method findMethod_cached(Object o, String method, Object... args) { try {
if (o == null) return null;
if (o instanceof Class) {
_MethodCache cache = callOpt_getCache(((Class) o));
List methods = cache.cache.get(method);
if (methods != null) for (Method m : methods)
if (isStaticMethod(m) && findMethod_checkArgs(m, args, false))
return m;
return null;
} else {
_MethodCache cache = callOpt_getCache(o.getClass());
List methods = cache.cache.get(method);
if (methods != null) for (Method m : methods)
if (findMethod_checkArgs(m, args, false))
return m;
return null;
}
} catch (Exception __e) { throw rethrow(__e); } }
static boolean endsWith(String a, String b) {
return a != null && a.endsWith(b);
}
static boolean endsWith(String a, char c) {
return nempty(a) && lastChar(a) == c;
}
static boolean endsWith(String a, String b, Matches m) {
if (!endsWith(a, b)) return false;
m.m = new String[] {dropLast(l(b), a)};
return true;
}
static String quote(Object o) {
if (o == null) return "null";
return quote(str(o));
}
static String quote(String s) {
if (s == null) return "null";
StringBuilder out = new StringBuilder((int) (l(s)*1.5+2));
quote_impl(s, out);
return out.toString();
}
static void quote_impl(String s, StringBuilder out) {
out.append('"');
int l = s.length();
for (int i = 0; i < l; i++) {
char c = s.charAt(i);
if (c == '\\' || c == '"')
out.append('\\').append(c);
else if (c == '\r')
out.append("\\r");
else if (c == '\n')
out.append("\\n");
else if (c == '\t')
out.append("\\t");
else if (c == '\0')
out.append("\\0");
else
out.append(c);
}
out.append('"');
}
static void smartSet(Field f, Object o, Object value) throws Exception {
try {
f.set(o, value);
} catch (Exception e) {
Class type = f.getType();
// take care of common case (long to int)
if (type == int.class && value instanceof Long)
value = ((Long) value).intValue();
if (type == LinkedHashMap.class && value instanceof Map)
{ f.set(o, asLinkedHashMap((Map) value)); return; }
throw e;
}
}
static Iterator emptyIterator() {
return Collections.emptyIterator();
}
static File makeTempDir() {
return (File) call(getJavaX(), "TempDirMaker_make");
}
static String nohup_sanitize(String s) {
return empty(s) ? s : takeFirst(50, s.replaceAll("[^.a-zA-Z0-9\\-_]", ""));
}
static IF0 shouldKeepTempFiles;
static boolean shouldKeepTempFiles() { return shouldKeepTempFiles != null ? shouldKeepTempFiles.get() : shouldKeepTempFiles_base(); }
final static boolean shouldKeepTempFiles_fallback(IF0 _f) { return _f != null ? _f.get() : shouldKeepTempFiles_base(); }
static boolean shouldKeepTempFiles_base() {
return false;
}
public static File mkdirsForFile(File file) {
File dir = file.getParentFile();
if (dir != null) { // is null if file is in current dir
dir.mkdirs();
if (!dir.isDirectory())
if (dir.isFile()) throw fail("Please delete the file " + f2s(dir) + " - it is supposed to be a directory!");
else throw fail("Unknown IO exception during mkdirs of " + f2s(file));
}
return file;
}
public static String mkdirsForFile(String path) {
mkdirsForFile(new File(path));
return path;
}
static File javaxCachesDir_dir; // can be set to work on different base dir
static File javaxCachesDir() {
return javaxCachesDir_dir != null ? javaxCachesDir_dir : new File(userHome(), "JavaX-Caches");
}
static File javaxCachesDir(String sub) {
return newFile(javaxCachesDir(), sub);
}
static int randomID_defaultLength = 12;
static String randomID(int length) {
return makeRandomID(length);
}
static String randomID(Random r, int length) {
return makeRandomID(r, length);
}
static String randomID() {
return randomID(randomID_defaultLength);
}
static String randomID(Random r) {
return randomID(r, randomID_defaultLength);
}
static List takeFirst(List l, int n) {
return l(l) <= n ? l : newSubListOrSame(l, 0, n);
}
static List takeFirst(int n, List l) {
return takeFirst(l, n);
}
static String takeFirst(int n, String s) { return substring(s, 0, n); }
static String takeFirst(String s, int n) { return substring(s, 0, n); }
static CharSequence takeFirst(int n, CharSequence s) { return subCharSequence(s, 0, n); }
static List takeFirst(int n, Iterable i) {
if (i == null) return null;
List l = new ArrayList();
Iterator it = i.iterator();
for (int _repeat_0 = 0; _repeat_0 < n; _repeat_0++) { if (it.hasNext()) l.add(it.next()); else break; }
return l;
}
static int[] takeFirst(int n, int[] a) {
return takeFirstOfIntArray(n, a);
}
static String pad(Object s, int l) {
return pad(s, l, ' ');
}
static String pad(Object s, int l, char c) {
String _s = str(s);
if (lengthOfString(_s) >= l) return _s;
return rep(c, l-lengthOfString(_s)) + _s;
}
static HashMap litmap(Object... x) {
HashMap map = new HashMap();
litmap_impl(map, x);
return map;
}
static void litmap_impl(Map map, Object... x) {
if (x != null) for (int i = 0; i < x.length-1; i += 2)
if (x[i+1] != null)
map.put(x[i], x[i+1]);
}
static Object callOpt(Object o) {
return callF(o);
}
static A callOpt(Object o, String method, Object... args) {
return (A) callOpt_withVarargs(o, method, args);
}
static char lastChar(String s) {
return empty(s) ? '\0' : s.charAt(l(s)-1);
}
static A[] dropLast(A[] a) { return dropLast(a, 1); }
static A[] dropLast(A[] a, int n) {
if (a == null) return null;
n = Math.min(n, a.length);
A[] b = arrayOfSameType(a, a.length-n);
System.arraycopy(a, 0, b, 0, b.length);
return b;
}
static List dropLast(List l) {
return subList(l, 0, l(l)-1);
}
static List dropLast(int n, List l) {
return subList(l, 0, l(l)-n);
}
static List dropLast(Iterable l) {
return dropLast(asList(l));
}
static String dropLast(String s) {
return substring(s, 0, l(s)-1);
}
static String dropLast(String s, int n) {
return substring(s, 0, l(s)-n);
}
static String dropLast(int n, String s) {
return dropLast(s, n);
}
static LinkedHashMap asLinkedHashMap(Map map) {
if (map instanceof LinkedHashMap) return (LinkedHashMap) map;
LinkedHashMap m = new LinkedHashMap();
if (map != null) synchronized(collectionMutex(map)) {
m.putAll(map);
}
return m;
}
static String f2s(File f) {
return f == null ? null : f.getAbsolutePath();
}
static String f2s(String s) { return f2s(newFile(s)); }
static String f2s(java.nio.file.Path p) {
return p == null ? null : f2s(p.toFile());
}
static String _userHome;
static String userHome() {
if (_userHome == null)
return actualUserHome();
return _userHome;
}
static File userHome(String path) {
return new File(userDir(), path);
}
static File newFile(File base, String... names) {
for (String name : names) base = new File(base, name);
return base;
}
static File newFile(String name) {
return name == null ? null : new File(name);
}
static File newFile(String base, String... names) {
return newFile(newFile(base), names);
}
static String makeRandomID(int length) {
return makeRandomID(length, defaultRandomGenerator());
}
static String makeRandomID(int length, Random random) {
char[] id = new char[length];
for (int i = 0; i < id.length; i++)
id[i] = (char) ((int) 'a' + random.nextInt(26));
return new String(id);
}
static String makeRandomID(Random r, int length) {
return makeRandomID(length, r);
}
static List newSubListOrSame(List l, int startIndex) {
return newSubListOrSame(l, startIndex, l(l));
}
static List newSubListOrSame(List l, int startIndex, int endIndex) {
if (l == null) return null;
int n = l(l);
startIndex = max(0, startIndex);
endIndex = min(n, endIndex);
if (startIndex >= endIndex) return ll();
if (startIndex == 0 && endIndex == n) return l;
return cloneList(l.subList(startIndex, endIndex));
}
static List newSubListOrSame(List l, IntRange r) {
return newSubListOrSame(l, r.start, r.end);
}
static CharSequence subCharSequence(CharSequence s, int x) {
return subCharSequence(s, x, s == null ? 0 : s.length());
}
static CharSequence subCharSequence(CharSequence s, int x, int y) {
if (s == null) return null;
if (x < 0) x = 0;
if (x >= s.length()) return "";
if (y < x) y = x;
if (y > s.length()) y = s.length();
return s.subSequence(x, y);
}
static int[] takeFirstOfIntArray(int[] b, int n) {
return subIntArray(b, 0, n);
}
static int[] takeFirstOfIntArray(int n, int[] b) {
return takeFirstOfIntArray(b, n);
}
static int lengthOfString(String s) {
return s == null ? 0 : s.length();
}
static String rep(int n, char c) {
return repeat(c, n);
}
static String rep(char c, int n) {
return repeat(c, n);
}
static List rep(A a, int n) {
return repeat(a, n);
}
static List rep(int n, A a) {
return repeat(n, a);
}
static Object callOpt_withVarargs(Object o, String method, Object... args) { try {
if (o == null) return null;
if (o instanceof Class) {
Class c = (Class) o;
_MethodCache cache = callOpt_getCache(c);
Method me = cache.findMethod(method, args);
if (me == null) {
// TODO: varargs
return null;
}
if ((me.getModifiers() & Modifier.STATIC) == 0)
return null;
return invokeMethod(me, null, args);
} else {
Class c = o.getClass();
_MethodCache cache = callOpt_getCache(c);
Method me = cache.findMethod(method, args);
if (me != null)
return invokeMethod(me, o, args);
// try varargs
List methods = cache.cache.get(method);
if (methods != null) methodSearch: for (Method m : methods) {
{ if (!(m.isVarArgs())) continue; }
Object[] newArgs = massageArgsForVarArgsCall(m, args);
if (newArgs != null)
return invokeMethod(m, o, newArgs);
}
return null;
}
} catch (Exception __e) { throw rethrow(__e); } }
static A[] arrayOfSameType(A[] a, int n) {
return newObjectArrayOfSameType(a, n);
}
static List subList(List l, int startIndex) {
return subList(l, startIndex, l(l));
}
static List subList(int startIndex, int endIndex, List l) {
return subList(l, startIndex, endIndex);
}
static List subList(List l, int startIndex, int endIndex) {
if (l == null) return null;
int n = l(l);
startIndex = Math.max(0, startIndex);
endIndex = Math.min(n, endIndex);
if (startIndex >= endIndex) return ll();
if (startIndex == 0 && endIndex == n) return l;
return l.subList(startIndex, endIndex);
}
static List subList(List l, IntRange r) {
return subList(l, r.start, r.end);
}
static String actualUserHome_value;
static String actualUserHome() {
if (actualUserHome_value == null) {
if (isAndroid())
actualUserHome_value = "/storage/emulated/0/";
else
actualUserHome_value = System.getProperty("user.home");
}
return actualUserHome_value;
}
static File actualUserHome(String sub) {
return newFile(new File(actualUserHome()), sub);
}
static File userDir() {
return new File(userHome());
}
static File userDir(String path) {
return new File(userHome(), path);
}
static Random defaultRandomGenerator() {
return ThreadLocalRandom.current();
}
static int min(int a, int b) {
return Math.min(a, b);
}
static long min(long a, long b) {
return Math.min(a, b);
}
static float min(float a, float b) { return Math.min(a, b); }
static float min(float a, float b, float c) { return min(min(a, b), c); }
static double min(double a, double b) {
return Math.min(a, b);
}
static double min(double[] c) {
double x = Double.MAX_VALUE;
for (double d : c) x = Math.min(x, d);
return x;
}
static float min(float[] c) {
float x = Float.MAX_VALUE;
for (float d : c) x = Math.min(x, d);
return x;
}
static byte min(byte[] c) {
byte x = 127;
for (byte d : c) if (d < x) x = d;
return x;
}
static short min(short[] c) {
short x = 0x7FFF;
for (short d : c) if (d < x) x = d;
return x;
}
static int min(int[] c) {
int x = Integer.MAX_VALUE;
for (int d : c) if (d < x) x = d;
return x;
}
static int[] subIntArray(int[] b, int start) {
return subIntArray(b, start, l(b));
}
static int[] subIntArray(int[] b, int start, int end) {
start = max(start, 0); end = min(end, l(b));
if (start == 0 && end == l(b)) return b;
if (start >= end) return new int[0];
int[] x = new int[end-start];
System.arraycopy(b, start, x, 0, end-start);
return x;
}
static int[] subIntArray(int[] a, IntRange r) {
return r == null ? null : subIntArray(a, r.start, r.end);
}
static String repeat(char c, int n) {
n = Math.max(n, 0);
char[] chars = new char[n];
for (int i = 0; i < n; i++)
chars[i] = c;
return new String(chars);
}
static List repeat(A a, int n) {
n = Math.max(n, 0);
List l = new ArrayList(n);
for (int i = 0; i < n; i++)
l.add(a);
return l;
}
static List repeat(int n, A a) {
return repeat(a, n);
}
static A[] newObjectArrayOfSameType(A[] a, int n) {
return (A[]) Array.newInstance(a.getClass().getComponentType(), n);
}
static interface IF0 {
A get();
}// it's unclear whether the end is inclusive or exclusive
// (usually exclusive I guess)
static class IntRange {
int start, end;
IntRange() {}
IntRange(int start, int end) {
this.end = end;
this.start = start;}
IntRange(IntRange r) { start = r.start; end = r.end; }
public boolean equals(Object o) { return stdEq2(this, o); }
public int hashCode() { return stdHash2(this); }
final int length() { return end-start; }
final boolean empty() { return start >= end; }
static String _fieldOrder = "start end";
public String toString() { return "[" + start + ";" + end + "]"; }
}
static boolean stdEq2(Object a, Object b) {
if (a == null) return b == null;
if (b == null) return false;
if (a.getClass() != b.getClass()) return false;
for (String field : allFields(a))
if (neq(getOpt(a, field), getOpt(b, field)))
return false;
return true;
}
static int stdHash2(Object a) {
if (a == null) return 0;
return stdHash(a, toStringArray(allFields(a)));
}
static Set allFields(Object o) {
TreeSet fields = new TreeSet();
Class _c = _getClass(o);
do {
for (Field f : _c.getDeclaredFields())
fields.add(f.getName());
_c = _c.getSuperclass();
} while (_c != null);
return fields;
}
static int stdHash(Object a, String... fields) {
if (a == null) return 0;
int hash = getClassName(a).hashCode();
for (String field : fields)
hash = boostHashCombine(hash, hashCode(getOpt(a, field)));
return hash;
}
static String[] toStringArray(Collection c) {
String[] a = new String[l(c)];
Iterator it = c.iterator();
for (int i = 0; i < l(a); i++)
a[i] = it.next();
return a;
}
static String[] toStringArray(Object o) {
if (o instanceof String[])
return (String[]) o;
else if (o instanceof Collection)
return toStringArray((Collection) o);
else
throw fail("Not a collection or array: " + getClassName(o));
}
static int boostHashCombine(int a, int b) {
return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2));
}
static int hashCode(Object a) {
return a == null ? 0 : a.hashCode();
}
}