01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41: package com.sun.rave.web.ui.util;
42:
43: import com.sun.rave.web.ui.component.util.descriptors.Resource;
44:
45: import java.util.Map;
46:
47: import javax.faces.context.FacesContext;
48:
49: /**
50: * <P> This factory class provides a means to instantiate a
51: * java.util.ResouceBundle. It implements the {@link ResourceFactory}
52: * which the {@link com.sun.rave.web.ui.renderer.template.TemplateRenderer}
53: * knows how to use to create arbitrary {@link Resource} objects. This
54: * factory utilizes the ResourceBundleManager for efficiency.</P>
55: *
56: * @see ResourceFactory
57: * @see Resource
58: *
59: * @author Ken Paulsen (ken.paulsen@sun.com)
60: */
61: public class ResourceBundleFactory implements ResourceFactory {
62:
63: /**
64: * <P> This is the factory method responsible for obtaining a
65: * ResourceBundle. This method uses the ResourceBundleManager to
66: * manage instances of ResourceBundles per key/locale.</P>
67: *
68: * <P> It should be noted that this method does not do anything if there
69: * is already a request attribute with the given id.</P>
70: *
71: * @param context The FacesContext
72: * @param descriptor The Resource descriptor that is associated
73: * with the requested Resource.
74: *
75: * @return The newly created Resource
76: */
77: public Object getResource(FacesContext context, Resource descriptor) {
78: // Get the id from the descriptor, this is the id that should be used
79: // to store it in the RequestScope
80: String id = descriptor.getId();
81: Map map = context.getExternalContext().getRequestMap();
82: if (map.containsKey(id)) {
83: // It is already set
84: return map.get(id);
85: }
86:
87: // Obtain the ResourceBundle
88: Object resource = ResourceBundleManager.getInstance()
89: .getBundle(descriptor.getExtraInfo(),
90: MessageUtil.getLocale(context));
91:
92: // The id does not exist in the request scope yet.
93: map.put(id, resource);
94:
95: return resource;
96: }
97: }
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