xmlfilterrefact.java

java实现的可配置的工作流引擎,采用jsp+javabean实现

package com.hongsoft.agile.xmlParser;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.AttributesImpl;
import org.xml.sax.helpers.XMLFilterImpl;


/**
 * 该类参考其它部分代码进行了改造,参见www.jdom.org  www.jdon.org
 * 它在基本的SAX2的过虑器的实现上,添加了一些方便的方法  
 */
public class XMLFilterRefact extends XMLFilterImpl
{

     public XMLFilterRefact()
    {
    }

    /**
     * 用指定的parent来构造XML filter
     */
    public XMLFilterRefact(XMLReader parent)
    {
        super(parent);
    }

   /**
     * start the element
     * @param uri 元素的名字空间URI
     * @param localName local name
     */
    public void startElement (String uri, String localName) throws SAXException
    {
        startElement(uri, localName, "", EMPTY_ATTS);
    }

   
    public void startElement (String localName) throws SAXException
    {
        startElement("", localName, "", EMPTY_ATTS);
    }

	/**
		 * end the element
		 * @param uri 元素的名字空间URI
		 * @param localName local name
		 */
    public void endElement (String uri, String localName) throws SAXException
    {
        endElement(uri, localName, "");
    }

    
    public void endElement (String localName) throws SAXException
    {
        endElement("", localName, "");
    }

	/**
		 * add the element
		 * @param uri 元素的名字空间URI
		 * @param localName local name
		 */
     public void emptyElement (String uri, String localName, String qName,
            Attributes atts) throws SAXException
    {
        startElement(uri, localName, qName, atts);
        endElement(uri, localName, qName);
    }

    
    public void emptyElement (String uri, String localName) throws SAXException
    {
        emptyElement(uri, localName, "", EMPTY_ATTS);
    }

   
    public void emptyElement (String localName) throws SAXException
    {
        emptyElement("", localName, "", EMPTY_ATTS);
    }
   
	/**
			 * 一次性的添加元素并设置属性
			 * @param uri 元素的名字空间URI
			 * @param localName local name
			 */
    public void dataElement (String uri, String localName, String qName,
            Attributes atts, String content) throws SAXException
    {
        startElement(uri, localName, qName, atts);
        characters(content);
        endElement(uri, localName, qName);
    }
    
    public void dataElement (String uri, String localName, String content)
            throws SAXException
    {
        dataElement(uri, localName, "", EMPTY_ATTS, content);
    }


    public void dataElement (String localName, String content)
            throws SAXException
    {
        dataElement("", localName, "", EMPTY_ATTS, content);
    }

   /**
    * 串与char的转换
    * @param data
    * @throws SAXException
    */
    public void characters (String data) throws SAXException
    {
        char ch[] = data.toCharArray();
        characters(ch, 0, ch.length);
    }

    ////////////////////////////////////////////////////////////////////
    // Constants.
    ////////////////////////////////////////////////////////////////////
    protected static final Attributes EMPTY_ATTS = new AttributesImpl();
}