001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.jxpath.xml;
019
020import java.io.InputStream;
021
022import org.apache.commons.jxpath.JXPathException;
023import org.jdom.input.SAXBuilder;
024
025/**
026 * An implementation of the XMLParser interface that produces a JDOM Document.
027 */
028public class JDOMParser extends XMLParser2 {
029
030    /**
031     * Constructs a new instance.
032     */
033    public JDOMParser() {
034        // empty
035    }
036
037    @Override
038    public Object parseXML(final InputStream stream) {
039        if (!isNamespaceAware()) {
040            throw new JXPathException("JDOM parser configuration error. JDOM " + "does not support the namespaceAware=false setting.");
041        }
042        try {
043            final SAXBuilder builder = new SAXBuilder();
044            builder.setExpandEntities(isExpandEntityReferences());
045            builder.setIgnoringElementContentWhitespace(isIgnoringElementContentWhitespace());
046            builder.setValidation(isValidating());
047            return builder.build(stream);
048        } catch (final Exception ex) {
049            throw new JXPathException("JDOM parser error", ex);
050        }
051    }
052}