1 | static String structure(Object o) {
|
2 | return structure(o, 0); |
3 | } |
4 | |
5 | // leave to false, unless unstructure() breaks |
6 | static boolean structure_allowShortening = false; |
7 | |
8 | static String structure(Object o, int stringSizeLimit) {
|
9 | if (o == null) return "null"; |
10 | String name = o.getClass().getName(); |
11 | |
12 | new StringBuilder buf; |
13 | |
14 | if (o instanceof Collection) {
|
15 | for (Object x : (Collection) o) {
|
16 | if (buf.length() != 0) buf.append(", ");
|
17 | buf.append(structure(x, stringSizeLimit)); |
18 | } |
19 | return "[" + buf + "]"; |
20 | } |
21 | |
22 | if (o instanceof Map) {
|
23 | for (Object e : ((Map) o).entrySet()) {
|
24 | if (buf.length() != 0) buf.append(", ");
|
25 | buf.append(structure(((Map.Entry) e).getKey(), stringSizeLimit)); |
26 | buf.append("=");
|
27 | buf.append(structure(((Map.Entry) e).getValue(), stringSizeLimit)); |
28 | } |
29 | return "{" + buf + "}";
|
30 | } |
31 | |
32 | if (o.getClass().isArray()) {
|
33 | int n = Array.getLength(o); |
34 | for (int i = 0; i < n; i++) {
|
35 | if (buf.length() != 0) buf.append(", ");
|
36 | buf.append(structure(Array.get(o, i), stringSizeLimit)); |
37 | } |
38 | return "{" + buf + "}";
|
39 | } |
40 | |
41 | if (o instanceof String) |
42 | return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o); |
43 | |
44 | // Need more cases? This should cover all library classes... |
45 | if (name.startsWith("java.") || name.startsWith("javax."))
|
46 | return String.valueOf(o); |
47 | |
48 | String shortName = o.getClass().getName().replaceAll("^main\\$", "");
|
49 | |
50 | // TODO: go to superclasses too |
51 | Field[] fields = o.getClass().getDeclaredFields(); |
52 | int numFields = 0; |
53 | String fieldName = ""; |
54 | for (Field field : fields) {
|
55 | if ((field.getModifiers() & Modifier.STATIC) != 0) |
56 | continue; |
57 | Object value; |
58 | try {
|
59 | field.setAccessible(true); |
60 | value = field.get(o); |
61 | } catch (Exception e) {
|
62 | value = "?"; |
63 | } |
64 | |
65 | fieldName = field.getName(); |
66 | |
67 | // put special cases here... |
68 | |
69 | if (value != null) {
|
70 | if (buf.length() != 0) buf.append(", ");
|
71 | buf.append(fieldName + "=" + structure(value, stringSizeLimit)); |
72 | } |
73 | ++numFields; |
74 | } |
75 | String b = buf.toString(); |
76 | |
77 | if (numFields == 1 && structure_allowShortening) |
78 | b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one
|
79 | String s = shortName; |
80 | if (buf.length() != 0) |
81 | s += "(" + b + ")";
|
82 | return s; |
83 | } |
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| Snippet ID: | #1000643 |
| Snippet name: | structure function (generic) |
| Eternal ID of this version: | #1000643/1 |
| Text MD5: | 50e5f3fede59d1fe3bc267f85099f6c9 |
| Author: | stefan |
| Category: | |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2015-10-07 01:50:00 |
| Source code size: | 2416 bytes / 83 lines |
| Pitched / IR pitched: | No / Yes |
| Views / Downloads: | 668 / 1510 |
| Referenced in: | [show references] |