/*
* 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.rahas.impl.util;
import static org.apache.axiom.om.OMAbstractFactory.FEATURE_DOM;
import java.lang.reflect.Field;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.dom.DOMMetaFactory;
import org.opensaml.xml.parse.ParserPool;
import org.opensaml.xml.parse.StaticBasicParserPool;
/**
* Custom OpenSAML 1.x {@link ParserPool} implementation that uses a DOM aware Axiom implementation
* instead of requesting a {@link DocumentBuilderFactory} using JAXP.
*/
public class AxiomParserPool extends StaticBasicParserPool {
public AxiomParserPool() {
DOMMetaFactory metaFactory = (DOMMetaFactory)OMAbstractFactory.getMetaFactory(FEATURE_DOM);
DocumentBuilderFactory dbf = metaFactory.newDocumentBuilderFactory();
// Unfortunately, ParserPool doesn't allow to set the DocumentBuilderFactory, so that we
// have to use reflection here.
try {
Field dbfField = StaticBasicParserPool.class.getDeclaredField("builderFactory");
dbfField.setAccessible(true);
dbfField.set(this, dbf);
} catch (IllegalAccessException ex) {
throw new IllegalAccessError(ex.getMessage());
} catch (NoSuchFieldException ex) {
throw new NoSuchFieldError(ex.getMessage());
}
}
}