poisondog.xml.Dom4jParser.java Source code

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Here is the source code for poisondog.xml.Dom4jParser.java

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/*
 * Copyright (C) 2014 Adam Huang
 *
 * 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 poisondog.xml;

import java.io.InputStream;
import java.util.Iterator;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

/**
 * @author Adam Huang <poisondog@gmail.com>
 */
public class Dom4jParser implements XMLParser {
    public Node parse(InputStream input) throws DocumentException {
        SAXReader reader = new SAXReader();
        Document doc = reader.read(input);
        Element root = doc.getRootElement();
        return createNode(root);
    }

    private Node createNode(Element element) {
        Node node = new Node(element.getQName().getName());
        for (int i = 0; i < element.attributeCount(); i++) {
            Attribute attribute = element.attribute(i);
            node.setAttribute(attribute.getQName().getName(), attribute.getValue());
        }

        for (Iterator i = element.elementIterator(); i.hasNext();) {
            Element e = (Element) i.next();
            node.addChild(createNode(e));
        }

        node.setText(element.getText());
        return node;
    }
}