jiangjiazhi / regional-platform

Authored by liquanyu almost 8 years ago

Exists in master and in 6 other branches

Showing 1 changed file with 8 additions and 15 deletions

...	...	@@ -31,6 +31,9 @@
31	31	public static final String Y_M_D_H_M_S = "yyyy-MM-dd HH:mm:ss";
32	32	public static final String Y_M_D_H_M = "yyyy-MM-dd HH:mm";
33	33
	34	+ /** 锁对象 */
	35	+ private static final Object lockObj = new Object();
	36	+
34	37	private static Map<String, ThreadLocal<SimpleDateFormat>> formatMap = new HashMap<String, ThreadLocal<SimpleDateFormat>>();
35	38
36	39	// private static ThreadLocal<SimpleDateFormat> threadLocal = new ThreadLocal<SimpleDateFormat>(){
37	40
38	41
39	42
40	43
41	44
...	...	@@ -68,34 +71,24 @@
68	71	*/
69	72	private static SimpleDateFormat getDateFormat(final String dateFormat)
70	73	{
71		-
72	74	ThreadLocal<SimpleDateFormat> tl = formatMap.get(dateFormat);
73	75	if (tl == null)
74	76	{
75		- try {
76		- lock.lock();
	77	+ synchronized (lockObj) {
77	78	tl = formatMap.get(dateFormat);
78		- if (tl == null)
79		- {
80		- tl = new ThreadLocal<SimpleDateFormat>()
81		- {
	79	+ if (tl == null) {
	80	+ tl = new ThreadLocal<SimpleDateFormat>() {
82	81	@Override
83		- protected SimpleDateFormat initialValue()
84		- {
	82	+ protected SimpleDateFormat initialValue() {
85	83	return new SimpleDateFormat(dateFormat);
86	84	}
87	85	};
88	86	formatMap.put(dateFormat, tl);
89	87	}
90	88	}
91		- finally
92		- {
93		- lock.unlock();
94		- }
	89	+
95	90	}
96	91	return tl.get();
97		-
98		-
99	92	}
100	93
101	94	/**