updatefieldurltag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.url;

import org.jahia.data.JahiaData;
import org.jahia.data.fields.JahiaField;
import org.jahia.exceptions.JahiaException;
import org.jahia.utils.JahiaConsole;

import java.io.*;
import java.util.*;

import javax.servlet.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;


public class UpdateFieldURLTag extends TagSupport {


	protected String field =  "";
    
	public void setField (String field) {
		this.field = field;
	}

    public int doStartTag() {
		
		ServletRequest request = pageContext.getRequest();
		try {
			JahiaData jData = (JahiaData) request.getAttribute("org.jahia.data.JahiaData");
			if (jData == null) {
				HashMap tempEngineMap = (HashMap) request.getAttribute("org.jahia.engines.EngineHashMap");
				jData                 = (JahiaData) tempEngineMap.get("jData");
			}
			JahiaField theField = jData.fields().getField(this.field);
			JspWriter out = pageContext.getOut();
			out.print("javascript:" + jData.gui().html().drawUpdateFieldLauncher(theField));

		} catch (IOException ioe) {
			JahiaConsole.println("UpdateFieldURLTag: ", ioe.toString());
   		} catch (JahiaException je) {
			JahiaConsole.println("UpdateFieldURLTag: ", je.toString());
		}
		return SKIP_BODY;
    }

}