domparserforpathset.java

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package cn.dxm.XMLAnaysis.Dom;
import java.io.File;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 * @author th
 * 
 */
public class DomParserForPathSet {
	DocumentBuilderFactory dbf;
	DocumentBuilder db;
	
	private Map elemenetContainer=null;

	private static Map map=new HashMap();
	/*
	 * 构造函数，为解析器进行初始化
	 */
	public DomParserForPathSet() {
		super();
		try {
			dbf = DocumentBuilderFactory.newInstance();
			db = dbf.newDocumentBuilder();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/*
	 * 开始解析XML文档，调用getStr方法，遍历所有节点（元素，元素内容，属性）
	 */
	public Map ParserXML(String filepath) {
		Document doc = null;
		File docfile = new File(filepath);
		String str = "";
		try {
			doc = db.parse(docfile);
			Element root = doc.getDocumentElement();
			getStr(root);
			
		} catch (Exception f) {
			f.printStackTrace();
		}
		
		return map;
	}

	private void getStr(Element elem) {
		String key=null;
		String value=null;
		
		try {
			String name = elem.getTagName();
			key=name;
			//System.out.println("name is:"+name);
			NodeList childrenNodes = elem.getChildNodes();
			
			for (int i = 0; i < childrenNodes.getLength(); i++) {
				Node temp = childrenNodes.item(i);
				if (temp.getNodeType() == Node.ELEMENT_NODE) {
					getStr((Element) temp);
				}
				if (temp.getNodeType() == Node.TEXT_NODE) {
					String content = temp.getTextContent();
					
					if (!content.trim().equals("")) {
						value=content;
						//System.out.println("key:"+key);
						//System.out.println("value:"+value);
						map.put(key, value);
						
						//System.out.println("content is:"+content);
					}
				}
			}
			NamedNodeMap attributes = elem.getAttributes();
			int attrsize = attributes.getLength();
			if (attrsize > 0) {
				for (int j = 0; j < attrsize; j++) {
					Attr attrtemp = (Attr) attributes.item(j);
					String attrname = attrtemp.getName();
					String attrvalue = attrtemp.getValue();
					
				//	System.out.println("the attrname is:"+attrname);
				//	System.out.println("the attrvalue is:"+attrvalue);

				}
			}
		} catch (Exception g) {
			g.printStackTrace();
			
		}
	}

	/**
	 * @param args
	 */
	public static void main(String args[]){
		DomParserForPathSet d=new DomParserForPathSet();
		d.ParserXML("src/ParameterSet.xml");
	}

}