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: * Portions Copyright Apache Software Foundation.
007: *
008: * The contents of this file are subject to the terms of either the GNU
009: * General Public License Version 2 only ("GPL") or the Common Development
010: * and Distribution License("CDDL") (collectively, the "License"). You
011: * may not use this file except in compliance with the License. You can obtain
012: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
013: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
014: * language governing permissions and limitations under the License.
015: *
016: * When distributing the software, include this License Header Notice in each
017: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
018: * Sun designates this particular file as subject to the "Classpath" exception
019: * as provided by Sun in the GPL Version 2 section of the License file that
020: * accompanied this code. If applicable, add the following below the License
021: * Header, with the fields enclosed by brackets [] replaced by your own
022: * identifying information: "Portions Copyrighted [year]
023: * [name of copyright owner]"
024: *
025: * Contributor(s):
026: *
027: * If you wish your version of this file to be governed by only the CDDL or
028: * only the GPL Version 2, indicate your decision by adding "[Contributor]
029: * elects to include this software in this distribution under the [CDDL or GPL
030: * Version 2] license." If you don't indicate a single choice of license, a
031: * recipient has the option to distribute your version of this file under
032: * either the CDDL, the GPL Version 2 or to extend the choice of license to
033: * its licensees as provided above. However, if you add GPL Version 2 code
034: * and therefore, elected the GPL Version 2 license, then the option applies
035: * only if the new code is made subject to such option by the copyright
036: * holder.
037: */
038:
039: package org.apache.taglibs.standard.tag.common.fmt;
040:
041: import javax.servlet.jsp.JspException;
042: import javax.servlet.jsp.PageContext;
043: import javax.servlet.jsp.jstl.core.Config;
044: import javax.servlet.jsp.jstl.fmt.LocalizationContext;
045: import javax.servlet.jsp.tagext.TagSupport;
046:
047: import org.apache.taglibs.standard.tag.common.core.Util;
048:
049: /**
050: * Support for tag handlers for <setBundle>, the JSTL 1.0 tag that loads
051: * a resource bundle and stores it in a scoped variable.
052: *
053: * @author Jan Luehe
054: */
055:
056: public abstract class SetBundleSupport extends TagSupport {
057:
058: //*********************************************************************
059: // Protected state
060:
061: protected String basename; // 'basename' attribute
062:
063: //*********************************************************************
064: // Private state
065:
066: private int scope; // 'scope' attribute
067: private String var; // 'var' attribute
068:
069: //*********************************************************************
070: // Constructor and initialization
071:
072: public SetBundleSupport() {
073: super ();
074: init();
075: }
076:
077: private void init() {
078: basename = null;
079: scope = PageContext.PAGE_SCOPE;
080: }
081:
082: //*********************************************************************
083: // Tag attributes known at translation time
084:
085: public void setVar(String var) {
086: this .var = var;
087: }
088:
089: public void setScope(String scope) {
090: this .scope = Util.getScope(scope);
091: }
092:
093: //*********************************************************************
094: // Tag logic
095:
096: public int doEndTag() throws JspException {
097: LocalizationContext locCtxt = BundleSupport
098: .getLocalizationContext(pageContext, basename);
099:
100: if (var != null) {
101: pageContext.setAttribute(var, locCtxt, scope);
102: } else {
103: Config.set(pageContext, Config.FMT_LOCALIZATION_CONTEXT,
104: locCtxt, scope);
105: }
106:
107: return EVAL_PAGE;
108: }
109:
110: // Releases any resources we may have (or inherit)
111: public void release() {
112: init();
113: }
114: }
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