org.apache.xmlgraphics.xmp.schemas.DublinCoreSchema Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id: DublinCoreSchema.java 750418 2009-03-05 11:03:54Z vhennebert $ */
package org.apache.xmlgraphics.xmp.schemas;
import org.apache.xmlgraphics.util.QName;
import org.apache.xmlgraphics.xmp.Metadata;
import org.apache.xmlgraphics.xmp.XMPConstants;
import org.apache.xmlgraphics.xmp.XMPSchema;
import org.apache.xmlgraphics.xmp.merge.ArrayAddPropertyMerger;
import org.apache.xmlgraphics.xmp.merge.MergeRuleSet;
/**
* Schema class for Dublin Core.
*/
public class DublinCoreSchema extends XMPSchema {
/** Namespace URI for Dublin Core */
public static final String NAMESPACE = XMPConstants.DUBLIN_CORE_NAMESPACE;
private static MergeRuleSet dcMergeRuleSet;
static {
dcMergeRuleSet = new MergeRuleSet();
//Dates are added up not replaced
dcMergeRuleSet.addRule(new QName(NAMESPACE, "date"), new ArrayAddPropertyMerger());
}
/** Creates a new schema instance for Dublin Core. */
public DublinCoreSchema() {
super(NAMESPACE, "dc");
}
/**
* Creates and returns an adapter for this schema around the given metadata object.
* @param meta the metadata object
* @return the newly instantiated adapter
*/
public static DublinCoreAdapter getAdapter(Metadata meta) {
return new DublinCoreAdapter(meta);
}
/** @see org.apache.xmlgraphics.xmp.XMPSchema#getDefaultMergeRuleSet() */
public MergeRuleSet getDefaultMergeRuleSet() {
return dcMergeRuleSet;
}
}