1 | public static int structureSize(Object o, Class baseClass) {
|
2 | return structureSize(o, baseClass, new IdentityHashMap()); |
3 | } |
4 | |
5 | static int structureSize(Object o, Class baseClass, |
6 | IdentityHashMap seen) {
|
7 | if (o == null || seen.containsKey(o)) return 0; |
8 | seen.put(o, Boolean.TRUE); |
9 | int size = 1; |
10 | Class c = o.getClass(); |
11 | if (c.isArray()) {
|
12 | int n = Array.getLength(o); |
13 | for (int i = 0; i < n; i++) |
14 | size += structureSize(Array.get(o, i), baseClass, seen); |
15 | } else |
16 | while (c != Object.class && c != baseClass) {
|
17 | Field[] fields = c.getDeclaredFields(); |
18 | for (Field field : fields) {
|
19 | if ((field.getModifiers() & Modifier.STATIC) != 0) |
20 | continue; |
21 | if (field.getType().isPrimitive()) |
22 | ++size; |
23 | else {
|
24 | Object value = null; |
25 | try {
|
26 | value = field.get(o); |
27 | } catch (IllegalAccessException e) {
|
28 | throw new RuntimeException(e); |
29 | } |
30 | size += structureSize(value, baseClass, seen); |
31 | } |
32 | } |
33 | c = c.getSuperclass(); |
34 | } |
35 | return size; |
36 | } |
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| Snippet ID: | #1000524 |
| Snippet name: | structureSize function - don't use |
| Eternal ID of this version: | #1000524/1 |
| Text MD5: | ef0c90259cb83668d57ad75852630f06 |
| Author: | stefan |
| Category: | |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-08-20 22:12:41 |
| Source code size: | 1183 bytes / 36 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 600 / 960 |
| Referenced in: | [show references] |