001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package com.sun.rave.web.ui.appbase;
043:
044: /**
045: * <p><strong>AbstractRequestBean</strong> is the abstract base class for
046: * data bean(s) that are stored in request scope attributes. It extends
047: * {@link FacesBean}, so it inherits all of the default behavior
048: * found there. In addition, the following lifecycle methods are called
049: * automatically when the corresponding events occur:</p>
050: * <ul>
051: * <li><code>init()</code> - Called when this bean is initially added as a
052: * request scope attribute (typically as the result of
053: * evaluating a value binding or method binding expression).</li>
054: * <li><code>destroy()</code> - Called when the bean is removed from the
055: * request attributes (typically as a result of the application
056: * being shut down by the servlet container).</li>
057: * </ul>
058: */
059: public abstract class AbstractRequestBean extends FacesBean {
060:
061: // ------------------------------------------------------------- Constructor
062:
063: /**
064: * <p>Create a new request scope bean.</p>
065: */
066: public AbstractRequestBean() {
067: }
068:
069: // ------------------------------------------------------- Lifecycle Methods
070:
071: /**
072: * <p>This method is called when this bean is initially added to
073: * request scope. Typically, this occurs as a result of evaluating
074: * a value binding or method binding expression, which utilizes the
075: * managed bean facility to instantiate this bean and store it into
076: * request scope.</p>
077: *
078: * <p>You may customize this method to allocate resources that are required
079: * for the lifetime of the current request.</p>
080: */
081: public void init() {
082:
083: // The default implementation does nothing
084:
085: }
086:
087: /**
088: * <p>This method is called when this bean is removed from
089: * request scope. This occurs automatically when the corresponding
090: * HTTP response has been completed and sent to the client.</p>
091: *
092: * <p>You may customize this method to clean up resources allocated
093: * during the execution of the <code>init()</code> method, or
094: * at any later time during the lifetime of the request.</p>
095: */
096: public void destroy() {
097:
098: // The default implementation does nothing
099:
100: }
101:
102: }
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