configparser.java

XML字符串_文件解析,内附测试程序

import org.xml.sax.Attributes;
 import org.xml.sax.helpers.DefaultHandler;
 import org.xml.sax.SAXException;
 import java.util.Properties;
 
 public class ConfigParser extends DefaultHandler
 {
     ////定义一个Properties 用来存放 dbhost dbuser dbpassword的值
     private Properties props;
     
     private String currentSet;
     private String currentName;
     private StringBuffer currentValue = new StringBuffer();
     //构建器初始化props
     public ConfigParser()
     {
         this.props = new Properties();
     }
     public Properties getProps()
     {
         return this.props;
     }
     
     
     //定义开始解析元素的方法. 这里是将<xxx>中的名称xxx提取出来.
     public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
     {
         currentValue.delete(0, currentValue.length());
         this.currentName =qName;
     }
     //这里是将<xxx></xxx>之间的值加入到currentValue
     public void characters(char[] ch, int start, int length) throws SAXException
     {
         currentValue.append(ch, start, length);
     }
     //在遇到</xxx>结束后,将之前的名称和值一一对应保存在props中
     public void endElement(String uri, String localName, String qName) throws SAXException
     {
         props.put(qName.toLowerCase(), currentValue.toString().trim());
 //System.out.println(qName.toLowerCase() + " " + currentValue.toString().trim());
     }
 }