dictwritetag.java

这是一个轻便的j2ee的web应用框架,是一个在多个项目中运用的实际框架,采用struts,hebinate,xml等技术,有丰富的tag,role,navigation,session,dictio

/*
 * Created on 2004-3-25
 *
 */
package com.esimple.service.dict.taglib;


import com.esimple.service.dict.*;

import javax.servlet.jsp.JspException;

import com.esimple.framework.web.init.ESimplePlugIn;
import org.springframework.beans.factory.*;
import org.apache.struts.util.RequestUtils;
import org.apache.struts.util.ResponseUtils;
import com.esimple.framework.web.taglib.bean.WriteTag;

/**
 * @author steven
 *
 */
public class DictWriteTag extends WriteTag {
	private BeanFactory factory;
	private DictManager dicM;
	private String dictType;
	private String value;
	private void init(){
		factory =(BeanFactory) pageContext.getServletContext()
				.getAttribute(ESimplePlugIn.BEAN_FACTORY);
		dicM = (DictManager)factory.getBean(DictManager.BEAN_CONFIG_NAME);
	}
	
	public void  setDictType(String dictType){
		this.dictType = dictType;
	}
	public String getDictType(){
		return this.dictType;
	}

	public void  setValue(String value){
		this.value = value;
	}
	public String getValue(){
		return this.value;
	}
	
	public int doStartTag() throws JspException {
		if( property != null ){
			try{
				if ( ignore && name!= null ) {
					if (RequestUtils.lookup(pageContext, name, scope) == null)
					return (SKIP_BODY);  // Nothing to output
				}
				Object pvalue =
					RequestUtils.lookup(pageContext, name, property, scope);
				if ( pvalue == null) return (SKIP_BODY); 
				value = pvalue.toString() ;
			}catch(JspException e){
				if( value == null )throw e;
			}
		}else if( value == null){
			return (SKIP_BODY);
		}
		String output = formatValue( value );
		ResponseUtils.write(pageContext, output);
		return (SKIP_BODY);

	}
		
	protected String formatValue(Object valueToFormat) throws JspException {
		 String value =valueToFormat.toString() ;
		 if( dicM == null )init();
		 if( dicM == null) return value;
		 String result = dicM.getDictContent(dictType,value);
		 if( result == null ) return value;
		 else return result;
	 }
}