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1
5
8 package com.opensymphony.webwork.util;
9
10 import com.opensymphony.util.TextUtils;
11 import com.opensymphony.xwork.util.OgnlValueStack;
12 import com.opensymphony.webwork.views.velocity.VelocityManager;
13 import org.apache.velocity.context.Context;
14 import org.apache.velocity.exception.MethodInvocationException;
15 import org.apache.velocity.exception.ParseErrorException;
16 import org.apache.velocity.exception.ResourceNotFoundException;
17
18 import javax.servlet.http.HttpServletRequest  ;
19 import javax.servlet.http.HttpServletResponse ;
20 import java.io.CharArrayWriter ;
21 import java.io.IOException ;
22
23
24
27 public class VelocityWebWorkUtil extends WebWorkUtil {
28
30 private Context ctx;
31
32
34 public VelocityWebWorkUtil(Context ctx, OgnlValueStack stack, HttpServletRequest request, HttpServletResponse response) {
35 super(stack, request, response);
36 this.ctx = ctx;
37 }
38
39
41
43 public String evaluate(String expression) throws IOException , ResourceNotFoundException, MethodInvocationException, ParseErrorException {
44 CharArrayWriter writer = new CharArrayWriter ();
45 VelocityManager.getInstance().getVelocityEngine().evaluate(ctx, writer, "Error parsing " + expression, expression);
46
47
48 return writer.toString();
49 }
50 }
51 |
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