/**
* Copyright 2005-2013 Dozer Project
*
* 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 org.dozer.loader.xml;
import org.dozer.classmap.MappingFileData;
import org.dozer.loader.MappingsSource;
import org.dozer.util.MappingUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import javax.xml.parsers.DocumentBuilder;
import java.io.InputStream;
/**
* Internal class that reads and parses a single custom mapping XML stream into
* raw ClassMap objects. Only intended for internal use.
*
* @author suwarnaratana.arm
*/
public class MappingStreamReader implements MappingsSource<InputStream> {
private static final Logger log = LoggerFactory
.getLogger(MappingStreamReader.class);
private final DocumentBuilder documentBuilder;
private final MappingsSource<Document> parser;
public MappingStreamReader(XMLParserFactory parserFactory) {
this.documentBuilder = parserFactory.createParser();
this.parser = new XMLParser();
}
public MappingFileData read(InputStream xmlStream) {
MappingFileData result = null;
try {
Document document = documentBuilder.parse(xmlStream);
result = parser.read(document);
} catch (Throwable e) {
log.error("Error while loading dozer mapping InputStream: ["
+ xmlStream + "]", e);
MappingUtils.throwMappingException(e);
}
return result;
}
}