001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/owscommon_1_1_0/ManifestDocument.java $
002    /*----------------------------------------------------------------------------
003     This file is part of deegree, http://deegree.org/
004     Copyright (C) 2001-2009 by:
005       Department of Geography, University of Bonn
006     and
007       lat/lon GmbH
008    
009     This library is free software; you can redistribute it and/or modify it under
010     the terms of the GNU Lesser General Public License as published by the Free
011     Software Foundation; either version 2.1 of the License, or (at your option)
012     any later version.
013     This library is distributed in the hope that it will be useful, but WITHOUT
014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016     details.
017     You should have received a copy of the GNU Lesser General Public License
018     along with this library; if not, write to the Free Software Foundation, Inc.,
019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020    
021     Contact information:
022    
023     lat/lon GmbH
024     Aennchenstr. 19, 53177 Bonn
025     Germany
026     http://lat-lon.de/
027    
028     Department of Geography, University of Bonn
029     Prof. Dr. Klaus Greve
030     Postfach 1147, 53001 Bonn
031     Germany
032     http://www.geographie.uni-bonn.de/deegree/
033    
034     e-mail: info@deegree.org
035    ----------------------------------------------------------------------------*/
036    
037    package org.deegree.owscommon_1_1_0;
038    
039    import static org.deegree.framework.xml.XMLTools.getElements;
040    import static org.deegree.framework.xml.XMLTools.getNodeAsString;
041    import static org.deegree.framework.xml.XMLTools.getNodesAsStringList;
042    import static org.deegree.framework.xml.XMLTools.getRequiredElements;
043    import static org.deegree.ogcbase.CommonNamespaces.XLINK_PREFIX;
044    
045    import java.util.ArrayList;
046    import java.util.List;
047    
048    import org.deegree.framework.log.ILogger;
049    import org.deegree.framework.log.LoggerFactory;
050    import org.deegree.framework.util.Pair;
051    import org.deegree.framework.xml.XMLParsingException;
052    import org.deegree.i18n.Messages;
053    import org.w3c.dom.Element;
054    
055    /**
056     * <code>ManifestDocument</code> supplies methods for the parsing of a manifest type in ows 1.1.0.
057     *
058     * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
059     *
060     * @author last edited by: $Author: mschneider $
061     *
062     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
063     *
064     */
065    public class ManifestDocument extends CommonsDocument {
066        /**
067         *
068         */
069        private static final long serialVersionUID = -7314461220886459179L;
070    
071        private static ILogger LOG = LoggerFactory.getLogger( ManifestDocument.class );
072    
073        /**
074         * @param manifestElement
075         *            to parse the data from
076         * @return the manifest bean or <code>null</code> if the given element is <code>null</code>.
077         * @throws XMLParsingException
078         *             if a parsing error occurred.
079         */
080        public Manifest parseManifestType( Element manifestElement )
081                                throws XMLParsingException {
082            if ( manifestElement == null ) {
083                return null;
084            }
085            BasicIdentification basicManifestIdentification = parseBasicIdentificationType( manifestElement );
086            List<Element> referenceGroupElements = getRequiredElements( manifestElement, PRE_OWS + "ReferenceGroup",
087                                                                        nsContext );
088            List<ReferenceGroup> referenceGroup = new ArrayList<ReferenceGroup>();
089            for ( Element elem : referenceGroupElements ) {
090                ReferenceGroup tmp = parseReferenceGroup( elem );
091                if ( tmp != null ) {
092                    referenceGroup.add( tmp );
093                }
094            }
095            return new Manifest( basicManifestIdentification, referenceGroup );
096        }
097    
098        /**
099         * @param referenceGroup
100         *            to be parsed
101         * @return the bean representation or <code>null</code> if the given element is <code>null</code>.
102         * @throws XMLParsingException
103         *             if the element could not be parsed.
104         */
105        protected ReferenceGroup parseReferenceGroup( Element referenceGroup )
106                                throws XMLParsingException {
107            if ( referenceGroup == null ) {
108                return null;
109            }
110            BasicIdentification basicRGId = parseBasicIdentificationType( referenceGroup );
111            List<Element> referenceElements = getElements( referenceGroup, PRE_OWS + "Reference", nsContext );
112            List<Reference> references = new ArrayList<Reference>();
113            if ( referenceElements == null || referenceElements.size() == 0 ) {
114                LOG.logWarning( Messages.getMessage( "WCTS_REFERENCE_SUBSTITION_NOT_SUPPORTED" ) );
115            } else {
116                for ( Element refElement : referenceElements ) {
117                    Reference tmp = parseReferenceType( refElement );
118                    if ( tmp != null ) {
119                        references.add( tmp );
120                    }
121                }
122            }
123            return new ReferenceGroup( basicRGId, references );
124    
125        }
126    
127        /**
128         * @param referenceElement
129         *            to be parsed.
130         * @return the bean representation or <code>null</code> if the given element is <code>null</code>.
131         * @throws XMLParsingException
132         *             if the element could not be parsed.
133         */
134        protected Reference parseReferenceType( Element referenceElement )
135                                throws XMLParsingException {
136            if ( referenceElement == null ) {
137                return null;
138            }
139            String hrefAttribute = referenceElement.getAttributeNS( XLNNS.toASCIIString(), "href" );
140            if ( hrefAttribute == null || "".equals( hrefAttribute.trim() ) ) {
141                throw new XMLParsingException( Messages.getMessage( "OWS_MISSING_REQUIRED_ATTRIBUTE", XLINK_PREFIX
142                                                                                                      + ":href",
143                                                                    PRE_OWS + "Reference" ) );
144            }
145            String roleAttribute = referenceElement.getAttributeNS( XLNNS.toASCIIString(), "role" );
146            String typeAttribute = referenceElement.getAttribute( "type" );
147            Pair<String, String> identifier = parseIdentifier( referenceElement );
148            List<String> abstracts = getNodesAsStringList( referenceElement, PRE_OWS + "Abstract", nsContext );
149            String format = getNodeAsString( referenceElement, PRE_OWS + "Format", nsContext, null );
150            List<Metadata> metadatas = parseMetadatas( getElements( referenceElement, PRE_OWS + "Metadata", nsContext ) );
151            return new Reference( hrefAttribute, roleAttribute, typeAttribute, identifier, abstracts, format, metadatas );
152        }
153    
154    }