1
22
23 package com.liferay.portal.servlet;
24
25 import com.liferay.portal.cms.servlet.CMSServletUtil;
26 import com.liferay.portal.kernel.cache.MultiVMPoolUtil;
27 import com.liferay.portal.kernel.cache.PortalCache;
28 import com.liferay.portal.kernel.servlet.ImageServletToken;
29 import com.liferay.portal.kernel.util.StringMaker;
30 import com.liferay.portal.kernel.util.StringPool;
31 import com.liferay.portal.servlet.filters.layoutcache.LayoutCacheUtil;
32 import com.liferay.portlet.journalcontent.util.JournalContentUtil;
33
34
40 public class ImageServletTokenImpl implements ImageServletToken {
41
42 public static final String CACHE_NAME = ImageServletToken.class.getName();
43
44 public String getToken(long imageId) {
45 String key = _encodeKey(imageId);
46
47 String token = (String)MultiVMPoolUtil.get(_cache, key);
48
49 if (token == null) {
50 token = _createToken(imageId);
51
52 MultiVMPoolUtil.put(_cache, key, token);
53 }
54
55 return token;
56 }
57
58 public void resetToken(long imageId) {
59 String key = _encodeKey(imageId);
60
61 _cache.remove(key);
62
63
65 CMSServletUtil.clearCache();
66
67
69 JournalContentUtil.clearCache();
70
71
73 LayoutCacheUtil.clearCache();
74 }
75
76 private String _createToken(long imageId) {
77 return String.valueOf(System.currentTimeMillis());
78 }
79
80 private String _encodeKey(long imageId) {
81 StringMaker sm = new StringMaker();
82
83 sm.append(CACHE_NAME);
84 sm.append(StringPool.POUND);
85 sm.append(imageId);
86
87 return sm.toString();
88 }
89
90 private static PortalCache _cache = MultiVMPoolUtil.getCache(CACHE_NAME);
91
92 }