/**
* 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.
*/
package org.apache.hadoop.gateway.descriptor.xml;
import org.apache.commons.digester3.Digester;
import org.apache.commons.digester3.ExtendedBaseRules;
import org.apache.commons.digester3.binder.DigesterLoader;
import org.apache.hadoop.gateway.descriptor.GatewayDescriptor;
import org.apache.hadoop.gateway.descriptor.GatewayDescriptorImporter;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.io.Reader;
import static org.apache.commons.digester3.binder.DigesterLoader.newLoader;
public class XmlGatewayDescriptorImporter implements GatewayDescriptorImporter {
private static DigesterLoader loader = newLoader( new XmlGatewayDescriptorRules() );
@Override
public String getFormat() {
return "xml";
}
@Override
public GatewayDescriptor load( Reader reader ) throws IOException {
Digester digester = loader.newDigester( new ExtendedBaseRules() );
digester.setValidating( false );
try {
GatewayDescriptor descriptor = digester.parse( reader );
return descriptor;
} catch( SAXException e ) {
throw new IOException( e );
}
}
}