velocitystrutsutil.java

来自「struts 2 核心包 的源码 有错误是难免的」· Java 代码 · 共 41 行

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   VelocityStrutsUtil.java

package org.apache.struts2.util;

import com.opensymphony.xwork2.util.ValueStack;
import java.io.CharArrayWriter;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.context.Context;
import org.apache.velocity.exception.*;

// Referenced classes of package org.apache.struts2.util:
//			StrutsUtil

public class VelocityStrutsUtil extends StrutsUtil
{

	private Context ctx;
	private VelocityEngine velocityEngine;

	public VelocityStrutsUtil(VelocityEngine engine, Context ctx, ValueStack stack, HttpServletRequest request, HttpServletResponse response)
	{
		super(stack, request, response);
		this.ctx = ctx;
		velocityEngine = engine;
	}

	public String evaluate(String expression)
		throws IOException, ResourceNotFoundException, MethodInvocationException, ParseErrorException
	{
		CharArrayWriter writer = new CharArrayWriter();
		velocityEngine.evaluate(ctx, writer, (new StringBuilder()).append("Error parsing ").append(expression).toString(), expression);
		return writer.toString();
	}
}