oai4j/src/main/java/se/kb/oai/ore/ResourceMapSerializer.java

79 lines
2.4 KiB
Java

/*
* Copyright 2008 National Library of Sweden
*
* Licensed 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.
*/
package se.kb.oai.ore;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import org.dom4j.Element;
/**
* A <code>ResourceMapSerializer</code> is used to serialize the content of a
* {@link ResourceMap} to a machine readable format (for example XML). Different
* implementations of this interface will handle serialization to different formats.
* <p>
* At the moment the Open Archive Initiative describes two possible serialization formats:
* <ul>
* <li> Atom - <a href="http://www.openarchives.org/ore/0.2/atom-implementation">http://www.openarchives.org/ore/0.2/atom-implementation</a>
* <li> RDF/XML - <a href="http://www.openarchives.org/ore/0.2/rdfsyntax">http://www.openarchives.org/ore/0.2/rdfsyntax</a>
* </ul>
*
* @author Oskar Grenholm, National Library of Sweden
*/
public interface ResourceMapSerializer {
/**
* Serialize the resource map to an <code>OutputStream</code>.
*
* @param map a resource map
* @param stream a stream to serialize to
*
* @throws IOException
*/
public void serializeToStream(ResourceMap map, OutputStream stream) throws IOException;
/**
* Serialize the resource map to the given file.
*
* @param map a resource map
* @param file a file
*
* @throws IOException
*/
public void serializeToFile(ResourceMap map, File file) throws IOException;
/**
* Serialize the resource map and return it as a <code>String</code>.
*
* @param map a resource map
*
* @return a <code>String</code> with the serialized resource map
* @throws IOException
*/
public String serializeToString(ResourceMap map) throws IOException;
/**
* Serialize the resource map into XML.
*
* @param map a resource map
*
* @return an <code>Element</code> containing the result of the serialization
*/
public Element serializeToXml(ResourceMap map);
}