001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.jsp;
029
030import javax.servlet.jsp.PageContext;
031import javax.servlet.jsp.jstl.core.Config;
032import javax.servlet.jsp.jstl.fmt.LocalizationContext;
033
034import org.apache.taglibs.standard.tag.common.core.Util;
035import org.apache.taglibs.standard.tag.el.fmt.SetBundleTag;
036
037/** Set bundle tag using OpenCms' bundle loader mechanism. */
038public class CmsJspTagSetBundle extends SetBundleTag {
039
040    /** Serial version UID required for safe serialization. */
041    private static final long serialVersionUID = 3260512204391338383L;
042    /** Scope attribute. */
043    private int m_scope;
044    /** Variable attribute. */
045    private String m_var;
046
047    /**
048     * Public constructor doing the initialization.
049     */
050    public CmsJspTagSetBundle() {
051
052        super();
053        init();
054    }
055
056    /**
057     * @see org.apache.taglibs.standard.tag.common.fmt.SetBundleSupport#doEndTag()
058     */
059    @Override
060    public int doEndTag() {
061
062        LocalizationContext locCtxt = CmsJspTagBundle.getLocalizationContext(pageContext, basename);
063
064        if (m_var != null) {
065            pageContext.setAttribute(m_var, locCtxt, m_scope);
066        } else {
067            Config.set(pageContext, Config.FMT_LOCALIZATION_CONTEXT, locCtxt, m_scope);
068        }
069
070        return EVAL_PAGE;
071    }
072
073    /**
074     * @see org.apache.taglibs.standard.tag.el.fmt.SetBundleTag#release()
075     */
076    @Override
077    public void release() {
078
079        super.release();
080        init();
081    }
082
083    /**
084     * @see org.apache.taglibs.standard.tag.common.fmt.SetBundleSupport#setScope(java.lang.String)
085     */
086    @Override
087    public void setScope(String scope) {
088
089        this.m_scope = Util.getScope(scope);
090        super.setScope(scope);
091    }
092
093    /**
094     * @see org.apache.taglibs.standard.tag.common.fmt.SetBundleSupport#setVar(java.lang.String)
095     */
096    @Override
097    public void setVar(String var) {
098
099        this.m_var = var;
100        super.setVar(var);
101    }
102
103    /**
104     * Sets the initial state.
105     */
106    private void init() {
107
108        m_scope = PageContext.PAGE_SCOPE;
109        m_var = null;
110    }
111
112}