1
14
15 package com.liferay.portal.kernel.util;
16
17 import com.liferay.portal.kernel.log.Log;
18 import com.liferay.portal.kernel.log.LogFactoryUtil;
19
20 import java.lang.reflect.Method;
21
22
28 public class InitialThreadLocal<T> extends ThreadLocal<T> {
29
30 public InitialThreadLocal(String name, T initialValue) {
31 _name = name;
32 _initialValue = initialValue;
33
34 if (_initialValue instanceof Cloneable) {
35 try {
36 _cloneMethod = _initialValue.getClass().getMethod(
37 _METHOD_CLONE);
38 }
39 catch (Exception e) {
40 _log.error(e, e);
41 }
42 }
43 }
44
45 public String toString() {
46 if (_name != null) {
47 return _name;
48 }
49 else {
50 return super.toString();
51 }
52 }
53
54 protected T initialValue() {
55 if (_cloneMethod != null) {
56 try {
57 return (T)_cloneMethod.invoke(_initialValue);
58 }
59 catch (Exception e) {
60 _log.error(e, e);
61 }
62 }
63
64 return _initialValue;
65 }
66
67 private static final String _METHOD_CLONE = "clone";
68
69 private static Log _log = LogFactoryUtil.getLog(InitialThreadLocal.class);
70
71 private Method _cloneMethod;
72 private T _initialValue;
73 private String _name;
74
75 }