mazingdom4j.java

VC++

package com.sinosoft.security.util;

import java.io.*;
import java.util.*;
import org.dom4j.*;
import org.dom4j.io.*;

public class MazingDom4j {

	public MazingDom4j() {
		super();
		// TODO 自动生成构造函数存根
	}

	// 通过xml文件名得到DOM
	public static Document getDocument(String xmlFileName) throws DocumentException {
		SAXReader reader = new SAXReader();
		Document d = reader.read(new File(xmlFileName));
		return d;
	}

	// 重载，通过xml文件内容得到DOM
	public static Document getDocument(String xmlContent, boolean b)
			throws DocumentException {
		Document d = DocumentHelper.parseText(xmlContent);
		return d;
	}

	// 输出字符串
	public static String transformDOM(Document d) {
		String xmlContent = "";
		xmlContent = d.asXML();
		return xmlContent;
	}

	// 得到节点
	public static Element getNode(Document d, String elePath, String eleValue) {
		Element ele = null;
		List l = d.selectNodes(elePath);
		Iterator iter = l.iterator();
		while (iter.hasNext()) {
			Element tmp = (Element) iter.next();
			if (tmp.getText().equals(eleValue)) {
				ele = tmp;
			}
		}
		return ele;
	}

	// 重载，得到节点
	public static Element getNode(Document d, String elePath) {
		Element ele = (Element) d.selectSingleNode(elePath);
		return ele;
	}

	// 增加节点
	public static void addNode(Element parentEle, String eleName, String eleValue) {
		Element newEle = parentEle.addElement(eleName);
		newEle.setText(eleValue);
	}

	// 增加属性节点
	public static void addAttribute(Element ele, String attributeName,
			String attributeValue) {
		ele.addAttribute(attributeName, attributeValue);
	}

	// 删除节点
	public static void removeNode(Element parentEle, String eleName, String eleValue) {
		Iterator iter = parentEle.elementIterator();
		Element delEle = null;
		while (iter.hasNext()) {
			Element tmp = (Element) iter.next();
			if (tmp.getName().equals(eleName) && tmp.getText().equals(eleValue)) {
				delEle = tmp;
			}
		}
		if (delEle != null) {
			parentEle.remove(delEle);
		}
	}

	// 删除属性
	public static void removeAttr(Element ele, String attributeName) {
		Attribute att = ele.attribute(attributeName);
		ele.remove(att);
	}

	// 修改节点值
	public static void setNodeText(Element ele, String newValue) {
		ele.setText(newValue);
	}

	// 修改属性值
	public static void setAttribute(Element ele, String attributeName,
			String attributeValue) {
		Attribute att = ele.attribute(attributeName);
		att.setText(attributeValue);
	}

}