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/**
 * Copyright (c) 2012-2016, www.tinygroup.org ([email protected]).
 * 
 * Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
 * 
 * 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.tinygroup.xmlparser.node;

import org.tinygroup.parser.node.NodeImpl;
import org.tinygroup.xmlparser.XmlNodeType;

/**
 * @author luoguo
 */
public class XmlNode extends NodeImpl {

    /**
     * 构造方法
     *
     * @param nodeType
     */
    public XmlNode(XmlNodeType nodeType) {
        super(nodeType);
    }

    /**
     * 构造方法
     *
     * @param nodeName
     */
    public XmlNode(String nodeName) {
        super(nodeName, XmlNodeType.ELEMENT);
    }

    /**
     * 构造方法
     *
     * @param nodeType
     * @param nodeName
     */
    public XmlNode(XmlNodeType nodeType, String nodeName) {
        super(nodeType, nodeName);
    }

    /**
     * 构造方法
     *
     * @param nodeName
     * @param nodeType
     */
    public XmlNode(String nodeName, XmlNodeType nodeType) {
        super(nodeType, nodeName);
    }

    public XmlNode addContent(String content) {
        XmlNode node = new XmlNode(XmlNodeType.TEXT);
        node.setContent(content);
        addNode(node);
        return this;
    }


    protected String encode(String string) {
        String str = string;
        str = str.replaceAll("&", "&");
        str = str.replaceAll("<", "<");
        str = str.replaceAll(">", ">");
        str = str.replaceAll("\"", """);
        str = str.replaceAll("'", "'");
        return str;
    }


    protected String decode(String string) {
        String str = string;
        str = str.replaceAll("&", "&");
        str = str.replaceAll("<", "<");
        str = str.replaceAll(">", ">");
        str = str.replaceAll(""", "\"");
        str = str.replaceAll("'", "'");
        return str;
    }

    public String getPureText() {
        StringBuffer sb = new StringBuffer();
        getPureText(this, sb);
        return sb.toString().trim();
    }

    void getPureText(XmlNode node, StringBuffer sb) {
        if (node.getNodeType() == XmlNodeType.CDATA
                || node.getNodeType() == XmlNodeType.TEXT) {
            String content = node.getContent();
            if (content != null) {
                sb.append(content).append(" ");
            }
        } else {
            if (node.getNodeType().isHasHeader() && node.getSubNodes() != null) {
                for (XmlNode n : node.getSubNodes()) {
                    getPureText(n, sb);
                }
            }
        }
    }

    public boolean isCaseSensitive() {
        return true;
    }

}