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Glassfish example source code file (HttpCacheEntry.java)
The Glassfish HttpCacheEntry.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.appserv.web.cache.filter; import java.util.ArrayList; import java.util.HashMap; import java.util.Locale; /** HttpCacheEntry * Each entry holds cached (HTTP) response: * a) response bytes b) response headers c) expiryTime * d) parameterEncoding used e) entryKey this entry represents, * to match the entry within the hash bucket. * * XXX: should implement methods to enable serialization of cached response? */ public class HttpCacheEntry { public static final int VALUE_NOT_SET = -1; int statusCode; String statusMessage; HashMap responseHeaders; HashMap dateHeaders; ArrayList cookies; String contentType; Locale locale; int contentLength; // XXX: other cacheable response info byte[] bytes; int timeout; volatile long expireTime = 0; /** * set the real expire time * @param expireTime in milli seconds */ public void setExpireTime(long expireTime) { this.expireTime = expireTime; } /** * compute when this entry to be expired based on timeout relative to * current time. * @param timeout in seconds */ public void computeExpireTime(int timeout) { this.timeout = timeout; // timeout is relative to current time this.expireTime = (timeout == -1) ? timeout : System.currentTimeMillis() + (timeout * 1000L); } /** * is this response still valid? */ public boolean isValid() { return (expireTime > System.currentTimeMillis() || expireTime == -1); } /** * clear the contents */ public void clear() { bytes = null; responseHeaders = null; cookies = null; } /** * get the size * @return size of this entry in bytes * Note: this is only approximate */ public int getSize() { int size = 0; if (bytes != null) { size = bytes.length; } // size of response bytes plus headers (each approx 20 chars or 40 bytes) return (size + (40 * responseHeaders.size()) ); } } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish HttpCacheEntry.java source code file: |
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