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Java Servlet API 3.0.1 Source Code Files
Java Servlet API 3.0.1 Source Code Files are important if you want to compile them with different JDK releases.
You can get Java Servlet API 3.0.1 Source Code Files from Servlet API Maven Website in the "3.0.1/" folder.
You can also browse Java Servlet API 3.0.1 Source Code files below:
✍: FYIcenter.com
⏎ javax/servlet/UnavailableException.java
/* * 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 javax.servlet; /** * Defines an exception that a servlet or filter throws to indicate * that it is permanently or temporarily unavailable. * * <p>When a servlet or filter is permanently unavailable, something is wrong * with it, and it cannot handle * requests until some action is taken. For example, a servlet * might be configured incorrectly, or a filter's state may be corrupted. * The component should log both the error and the corrective action * that is needed. * * <p>A servlet or filter is temporarily unavailable if it cannot handle * requests momentarily due to some system-wide problem. For example, * a third-tier server might not be accessible, or there may be * insufficient memory or disk storage to handle requests. A system * administrator may need to take corrective action. * * <p>Servlet containers can safely treat both types of unavailable * exceptions in the same way. However, treating temporary unavailability * effectively makes the servlet container more robust. Specifically, * the servlet container might block requests to the servlet or filter for a period * of time suggested by the exception, rather than rejecting them until * the servlet container restarts. * * * @author Various * */ public class UnavailableException extends ServletException { private Servlet servlet; // what's unavailable private boolean permanent; // needs admin action? private int seconds; // unavailability estimate /** * * @deprecated As of Java Servlet API 2.2, use {@link * #UnavailableException(String)} instead. * * @param servlet the <code>Servlet</code> instance that is * unavailable * * @param msg a <code>String</code> specifying the * descriptive message * */ public UnavailableException(Servlet servlet, String msg) { super(msg); this.servlet = servlet; permanent = true; } /** * @deprecated As of Java Servlet API 2.2, use {@link * #UnavailableException(String, int)} instead. * * @param seconds an integer specifying the number of seconds * the servlet expects to be unavailable; if * zero or negative, indicates that the servlet * can't make an estimate * * @param servlet the <code>Servlet</code> that is unavailable * * @param msg a <code>String</code> specifying the descriptive * message, which can be written to a log file or * displayed for the user. * */ public UnavailableException(int seconds, Servlet servlet, String msg) { super(msg); this.servlet = servlet; if (seconds <= 0) this.seconds = -1; else this.seconds = seconds; permanent = false; } /** * * Constructs a new exception with a descriptive * message indicating that the servlet is permanently * unavailable. * * @param msg a <code>String</code> specifying the * descriptive message * */ public UnavailableException(String msg) { super(msg); permanent = true; } /** * Constructs a new exception with a descriptive message * indicating that the servlet is temporarily unavailable * and giving an estimate of how long it will be unavailable. * * <p>In some cases, the servlet cannot make an estimate. For * example, the servlet might know that a server it needs is * not running, but not be able to report how long it will take * to be restored to functionality. This can be indicated with * a negative or zero value for the <code>seconds</code> argument. * * @param msg a <code>String</code> specifying the * descriptive message, which can be written * to a log file or displayed for the user. * * @param seconds an integer specifying the number of seconds * the servlet expects to be unavailable; if * zero or negative, indicates that the servlet * can't make an estimate * */ public UnavailableException(String msg, int seconds) { super(msg); if (seconds <= 0) this.seconds = -1; else this.seconds = seconds; permanent = false; } /** * * Returns a <code>boolean</code> indicating * whether the servlet is permanently unavailable. * If so, something is wrong with the servlet, and the * system administrator must take some corrective action. * * @return <code>true</code> if the servlet is * permanently unavailable; <code>false</code> * if the servlet is available or temporarily * unavailable * */ public boolean isPermanent() { return permanent; } /** * @deprecated As of Java Servlet API 2.2, with no replacement. * * Returns the servlet that is reporting its unavailability. * * @return the <code>Servlet</code> object that is * throwing the <code>UnavailableException</code> * */ public Servlet getServlet() { return servlet; } /** * Returns the number of seconds the servlet expects to * be temporarily unavailable. * * <p>If this method returns a negative number, the servlet * is permanently unavailable or cannot provide an estimate of * how long it will be unavailable. No effort is * made to correct for the time elapsed since the exception was * first reported. * * @return an integer specifying the number of seconds * the servlet will be temporarily unavailable, * or a negative number if the servlet is permanently * unavailable or cannot make an estimate * */ public int getUnavailableSeconds() { return permanent ? -1 : seconds; } }
⏎ javax/servlet/UnavailableException.java
Or download all of them as a single archive file:
File name: javax.servlet-api-3.0.1-sources.jar File size: 212871 bytes Release date: 2011-07-12 Download
⇒ servlet-api-3.0.jar - Java Servlet 3.0 API
⇐ Download javax.servlet-api-3.0.1.jar
2022-12-23, 5220👍, 0💬
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