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Glassfish example source code file (FileStore.java)
The Glassfish FileStore.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. * * * This file incorporates work covered by the following copyright and * permission notice: * * Copyright 2004 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.catalina.session; import org.apache.catalina.Container; import org.apache.catalina.Context; import org.apache.catalina.Loader; import org.apache.catalina.Session; import org.apache.catalina.core.StandardContext; import javax.servlet.ServletContext; import java.io.*; import java.util.ArrayList; import java.util.Hashtable; /** * Concrete implementation of the <b>Store interface that utilizes * a file per saved Session in a configured directory. Sessions that are * saved are still subject to being expired based on inactivity. * * @author Craig R. McClanahan * @version $Revision: 1.4 $ $Date: 2007/01/04 01:31:57 $ */ public final class FileStore extends StoreBase { // ----------------------------------------------------- Constants /** * The extension to use for serialized session filenames. */ private static final String FILE_EXT = ".session"; // ----------------------------------------------------- Instance Variables /** * The pathname of the directory in which Sessions are stored. * This may be an absolute pathname, or a relative path that is * resolved against the temporary work directory for this application. */ private String directory = "."; /** * A File representing the directory in which Sessions are stored. */ private File directoryFile = null; /** * The descriptive information about this implementation. */ private static final String info = "FileStore/1.0"; /** * Name to register for this Store, used for logging. */ private static final String storeName = "fileStore"; /** * Name to register for the background thread. */ private static final String threadName = "FileStore"; /** * Our write-through cache of session objects * HERCULES: addition */ protected Hashtable sessions = new Hashtable(); // ------------------------------------------------------------- Properties /** * Return the directory path for this Store. */ public String getDirectory() { return (directory); } /** * Set the directory path for this Store. * * @param path The new directory path */ public void setDirectory(String path) { String oldDirectory = this.directory; this.directory = path; this.directoryFile = null; support.firePropertyChange("directory", oldDirectory, this.directory); } /** * Return descriptive information about this Store implementation and * the corresponding version number, in the format * <code><description>/<version>. */ public String getInfo() { return (info); } /** * Return the thread name for this Store. */ public String getThreadName() { return(threadName); } /** * Return the name for this Store, used for logging. */ public String getStoreName() { return(storeName); } /** * Return the number of Sessions present in this Store. * * @exception IOException if an input/output error occurs */ public int getSize() throws IOException { // Acquire the list of files in our storage directory File file = directory(); if (file == null) { return (0); } String files[] = file.list(); // Figure out which files are sessions int keycount = 0; for (int i = 0; i < files.length; i++) { if (files[i].endsWith(FILE_EXT)) { keycount++; } } return (keycount); } // --------------------------------------------------------- Public Methods /** * Remove all of the Sessions in this Store. * * @exception IOException if an input/output error occurs */ public void clear() throws IOException { String[] keys = keys(); for (int i = 0; i < keys.length; i++) { remove(keys[i]); } } /** * Return an array containing the session identifiers of all Sessions * currently saved in this Store. If there are no such Sessions, a * zero-length array is returned. * * @exception IOException if an input/output error occurred */ public String[] keys() throws IOException { // Acquire the list of files in our storage directory File file = directory(); if (file == null) { return (new String[0]); } String files[] = file.list(); // Build and return the list of session identifiers ArrayList<String> list = new ArrayList Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish FileStore.java source code file: |
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