1 | import java.util.*;
|
2 | import java.io.*;
|
3 | import java.util.regex.*;
|
4 | import java.net.*;
|
5 |
|
6 | public class main {
|
7 | static String[] standardClasses = {};
|
8 |
|
9 | public static void main(String[] args) throws IOException {
|
10 | String s = loadMainJava();
|
11 | List<String> defd = findClasses(s);
|
12 | for (int i = 0; i < 2; i++)
|
13 | for (String x : standardClasses) {
|
14 | String[] f = x.split("/");
|
15 | if (hasInvocation(s, f[1]) && !defd.contains(f[1])) {
|
16 | System.out.println("Adding class: " + f[1] + " (" + f[0] + ")");
|
17 | s = addClass(s, f[0]);
|
18 | defd.add(f[1]);
|
19 | }
|
20 | }
|
21 | saveMainJava(s);
|
22 | }
|
23 |
|
24 | static boolean hasInvocation(String src, String f) {
|
25 | return src.indexOf(f) >= 0; // generous matching :)
|
26 | }
|
27 |
|
28 | static List<String> findClasses(String src) {
|
29 | System.out.println("Scanning for classes");
|
30 | List<String> classes = new ArrayList<String>();
|
31 | Matcher matcher = Pattern.compile("class\\s+(\\w+)").matcher(src);
|
32 | while (matcher.find()) {
|
33 | String c = matcher.group(1);
|
34 | classes.add(c);
|
35 | //System.out.println("Class found: " + c);
|
36 | }
|
37 | return classes;
|
38 | }
|
39 |
|
40 | public static String addClass(String s, String cID) throws IOException {
|
41 | String def = loadSnippet(cID);
|
42 | return s + "\n" + def;
|
43 | }
|
44 |
|
45 | static String loadMainJava() throws IOException {
|
46 | return loadTextFile("input/main.java", "");
|
47 | }
|
48 |
|
49 | static void saveMainJava(String s) throws IOException {
|
50 | saveTextFile("output/main.java", s);
|
51 | }
|
52 |
|
53 | static String charsetForTextFiles = "UTF-8";
|
54 |
|
55 | public static String loadTextFile(String fileName, String defaultContents) throws IOException {
|
56 | if (!new File(fileName).exists())
|
57 | return defaultContents;
|
58 |
|
59 | FileInputStream fileInputStream = new FileInputStream(fileName);
|
60 | InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, charsetForTextFiles);
|
61 | return loadTextFile(inputStreamReader);
|
62 | }
|
63 |
|
64 | public static String loadTextFile(Reader reader) throws IOException {
|
65 | StringBuilder builder = new StringBuilder();
|
66 | try {
|
67 | BufferedReader bufferedReader = new BufferedReader(reader);
|
68 | String line;
|
69 | while ((line = bufferedReader.readLine()) != null)
|
70 | builder.append(line).append('\n');
|
71 | } finally {
|
72 | reader.close();
|
73 | }
|
74 | return builder.length() == 0 ? "" : builder.substring(0, builder.length()-1);
|
75 | }
|
76 |
|
77 | /** writes safely (to temp file, then rename) */
|
78 | public static void saveTextFile(String fileName, String contents) throws IOException {
|
79 | File file = new File(fileName);
|
80 | File parentFile = file.getParentFile();
|
81 | if (parentFile != null)
|
82 | parentFile.mkdirs();
|
83 | String tempFileName = fileName + "_temp";
|
84 | FileOutputStream fileOutputStream = new FileOutputStream(tempFileName);
|
85 | OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, charsetForTextFiles);
|
86 | PrintWriter printWriter = new PrintWriter(outputStreamWriter);
|
87 | printWriter.print(contents);
|
88 | printWriter.close();
|
89 | if (file.exists() && !file.delete())
|
90 | throw new IOException("Can't delete " + fileName);
|
91 |
|
92 | if (!new File(tempFileName).renameTo(file))
|
93 | throw new IOException("Can't rename " + tempFileName + " to " + fileName);
|
94 | }
|
95 |
|
96 | public static String loadSnippet(String snippetID) throws IOException {
|
97 | return loadSnippet(snippetID, preferCached);
|
98 | }
|
99 |
|
100 | public static String loadSnippet(String snippetID, boolean preferCached) throws IOException {
|
101 | return loadSnippet(parseSnippetID(snippetID), preferCached);
|
102 | }
|
103 |
|
104 | public static long parseSnippetID(String snippetID) {
|
105 | return Long.parseLong(shortenSnippetID(snippetID));
|
106 | }
|
107 |
|
108 | private static String shortenSnippetID(String snippetID) {
|
109 | if (snippetID.startsWith("#"))
|
110 | snippetID = snippetID.substring(1);
|
111 | String httpBlaBla = "http://tinybrain.de/";
|
112 | if (snippetID.startsWith(httpBlaBla))
|
113 | snippetID = snippetID.substring(httpBlaBla.length());
|
114 | return snippetID;
|
115 | }
|
116 |
|
117 | public static boolean isSnippetID(String snippetID) {
|
118 | snippetID = shortenSnippetID(snippetID);
|
119 | return isInteger(snippetID) && Long.parseLong(snippetID) != 0;
|
120 | }
|
121 |
|
122 | public static boolean isInteger(String s) {
|
123 | return Pattern.matches("\\-?\\d+", s);
|
124 | }
|
125 |
|
126 | static boolean preferCached = false;
|
127 |
|
128 | public static String loadSnippet(long snippetID) throws IOException {
|
129 | return loadSnippet(snippetID, preferCached);
|
130 | }
|
131 |
|
132 | public static String loadSnippet(long snippetID, boolean preferCached) throws IOException {
|
133 | if (preferCached) {
|
134 | initSnippetCache();
|
135 | String text = DiskSnippetCache_get(snippetID);
|
136 | if (text != null)
|
137 | return text;
|
138 | }
|
139 |
|
140 | String text;
|
141 | try {
|
142 | URL url = new URL("http://tinybrain.de:8080/getraw.php?id=" + snippetID);
|
143 | text = loadPage(url);
|
144 | } catch (FileNotFoundException e) {
|
145 | throw new IOException("Snippet #" + snippetID + " not found or not public");
|
146 | }
|
147 |
|
148 | try {
|
149 | initSnippetCache();
|
150 | DiskSnippetCache_put(snippetID, text);
|
151 | } catch (IOException e) {
|
152 | System.err.println("Minor warning: Couldn't save snippet to cache (" + DiskSnippetCache_getDir() + ")");
|
153 | }
|
154 |
|
155 | return text;
|
156 | }
|
157 |
|
158 | private static String loadPage(URL url) throws IOException {
|
159 | System.out.println("Loading: " + url.toExternalForm());
|
160 | URLConnection con = url.openConnection();
|
161 | return loadPage(con, url);
|
162 | }
|
163 |
|
164 | public static String loadPage(URLConnection con, URL url) throws IOException {
|
165 | String contentType = con.getContentType();
|
166 | if (contentType == null)
|
167 | throw new IOException("Page could not be read: " + url);
|
168 | //Log.info("Content-Type: " + contentType);
|
169 | String charset = guessCharset(contentType);
|
170 | Reader r = new InputStreamReader(con.getInputStream(), charset);
|
171 | StringBuilder buf = new StringBuilder();
|
172 | while (true) {
|
173 | int ch = r.read();
|
174 | if (ch < 0)
|
175 | break;
|
176 | //Log.info("Chars read: " + buf.length());
|
177 | buf.append((char) ch);
|
178 | }
|
179 | return buf.toString();
|
180 | }
|
181 |
|
182 | public static String guessCharset(String contentType) {
|
183 | Pattern p = Pattern.compile("text/html;\\s+charset=([^\\s]+)\\s*");
|
184 | Matcher m = p.matcher(contentType);
|
185 | /* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */
|
186 | return m.matches() ? m.group(1) : "ISO-8859-1";
|
187 | }
|
188 |
|
189 | static File DiskSnippetCache_dir;
|
190 |
|
191 | public static void initDiskSnippetCache(File dir) {
|
192 | DiskSnippetCache_dir = dir;
|
193 | dir.mkdirs();
|
194 | }
|
195 |
|
196 | public static synchronized String DiskSnippetCache_get(long snippetID) throws IOException {
|
197 | return loadTextFile(DiskSnippetCache_getFile(snippetID).getPath(), null);
|
198 | }
|
199 |
|
200 | private static File DiskSnippetCache_getFile(long snippetID) {
|
201 | return new File(DiskSnippetCache_dir, "" + snippetID);
|
202 | }
|
203 |
|
204 | public static synchronized void DiskSnippetCache_put(long snippetID, String snippet) throws IOException {
|
205 | saveTextFile(DiskSnippetCache_getFile(snippetID).getPath(), snippet);
|
206 | }
|
207 |
|
208 | public static File DiskSnippetCache_getDir() {
|
209 | return DiskSnippetCache_dir;
|
210 | }
|
211 |
|
212 | public static void initSnippetCache() {
|
213 | if (DiskSnippetCache_dir == null)
|
214 | initDiskSnippetCache(new File(System.getProperty("user.home"), ".tinybrain/snippet-cache"));
|
215 | }
|
216 | } |