Source Code Cross Referenced for CacheEntry.java in  » Portal » Open-Portal » com » sun » portal » wsrp » consumer » markup » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » Open Portal » com.sun.portal.wsrp.consumer.markup 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * $Id: CacheEntry.java,v 1.5 2004/01/20 19:29:27 mjain Exp $
003:         * Copyright 2003 Sun Microsystems, Inc. All
004:         * rights reserved. Use of this product is subject
005:         * to license terms. Federal Acquisitions:
006:         * Commercial Software -- Government Users
007:         * Subject to Standard License Terms and
008:         * Conditions.
009:         *
010:         * Sun, Sun Microsystems, the Sun logo, and Sun ONE
011:         * are trademarks or registered trademarks of Sun Microsystems,
012:         * Inc. in the United States and other countries.
013:         */package com.sun.portal.wsrp.consumer.markup;
014:
015:        import com.sun.portal.wsrp.common.stubs.CacheControl;
016:        import com.sun.portal.wsrp.common.stubs.MarkupParams;
017:
018:        /**
019:         * An instance of CacheEntry represents the markup content
020:         * and other information related to validity of this 
021:         * markup content.
022:         */
023:        public class CacheEntry {
024:
025:            private MarkupContent _markupContent = null;
026:            private CacheControl _cacheControl = null;
027:            private MarkupParams _markupParams;
028:            long _expireTime = -1;
029:
030:            /**
031:             * @param content MarkupContent that is being cached.
032:             * @param control Cache control information for this markup.
033:             * @param markupParams markupParams for which the markup was generated 
034:             */
035:            public CacheEntry(MarkupContent content, CacheControl control,
036:                    MarkupParams markupParams) {
037:
038:                _markupContent = content;
039:                _cacheControl = control;
040:                _markupParams = markupParams;
041:                if (_cacheControl != null) {
042:                    _expireTime = _cacheControl.getExpires();
043:                    if (_expireTime != -1) {
044:                        _expireTime = _expireTime * 1000
045:                                + System.currentTimeMillis();
046:                    }
047:                }
048:            }
049:
050:            /**
051:             * Returns the MarkupContent that is being cached.
052:             */
053:            public MarkupContent getMarkupContent() {
054:                return _markupContent;
055:            }
056:
057:            /**
058:             * Returns (wsrp defined) CacheControl returned by 
059:             * the producer with the markup.
060:             */
061:            public CacheControl getCacheControl() {
062:                return _cacheControl;
063:            }
064:
065:            /**
066:             * validate tag returned by the producer with the markup.
067:             */
068:            public String getValidateTag() {
069:                if (_cacheControl != null) {
070:                    return _cacheControl.getValidateTag();
071:                }
072:                return null;
073:            }
074:
075:            /**
076:             * Returns true if the cache is still valid.
077:             */
078:            public boolean isValid() {
079:
080:                long now = System.currentTimeMillis();
081:                if ((_expireTime == -1) || (_expireTime > now)) {
082:                    return true;
083:                } else {
084:                    return false;
085:                }
086:
087:            }
088:
089:            /**
090:             * Returns the markupParams for which markup was created 
091:             */
092:            public MarkupParams getMarkupParams() {
093:                return _markupParams;
094:            }
095:
096:            /**
097:             * Returns the user scope that is valid for this cache entry 
098:             */
099:            public String getUserScope() {
100:                if (_cacheControl != null) {
101:                    return _cacheControl.getUserScope();
102:                }
103:                return null;
104:            }
105:
106:        }
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