001    /**
002     * ========================================
003     * JFreeReport : a free Java report library
004     * ========================================
005     *
006     * Project Info:  http://reporting.pentaho.org/
007     *
008     * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     * ------------
026     * $Id: ReportTargetUtil.java 2725 2007-04-01 18:49:29Z taqua $
027     * ------------
028     * (C) Copyright 2000-2005, by Object Refinery Limited.
029     * (C) Copyright 2005-2007, by Pentaho Corporation.
030     */
031    
032    package org.jfree.report.flow;
033    
034    import org.jfree.layouting.util.AttributeMap;
035    import org.jfree.report.JFreeReportInfo;
036    import org.jfree.report.structure.Element;
037    import org.jfree.util.ObjectUtilities;
038    
039    /**
040     * Todo: Document me!
041     *
042     * @author Thomas Morgner
043     * @since 20.03.2007
044     */
045    public class ReportTargetUtil
046    {
047      private ReportTargetUtil()
048      {
049      }
050    
051    
052      public static String getNamespaceFromAttribute(final AttributeMap attrs)
053      {
054        final Object attribute = attrs.getAttribute
055            (JFreeReportInfo.REPORT_NAMESPACE, Element.NAMESPACE_ATTRIBUTE);
056        if (attribute instanceof String)
057        {
058          return (String) attribute;
059        }
060        return JFreeReportInfo.REPORT_NAMESPACE;
061      }
062    
063      public static String getElemenTypeFromAttribute(final AttributeMap attrs)
064      {
065        final Object attribute = attrs.getAttribute
066            (JFreeReportInfo.REPORT_NAMESPACE, Element.TYPE_ATTRIBUTE);
067        if (attribute instanceof String)
068        {
069          return (String) attribute;
070        }
071        return "element";
072      }
073    
074      public static boolean isElementOfType(final String uri,
075                                              final String tagName,
076                                              final AttributeMap attrs)
077      {
078        final String namespace = getNamespaceFromAttribute(attrs);
079        if (ObjectUtilities.equal(namespace, uri) == false)
080        {
081          return false;
082        }
083    
084        final String elementTagName = getElemenTypeFromAttribute(attrs);
085        return ObjectUtilities.equal(tagName, elementTagName);
086      }
087    
088    }