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1
29
30 package com.caucho.servlets.ssi;
31
32 import com.caucho.vfs.Path;
33 import com.caucho.vfs.WriteStream;
34
35 import javax.servlet.ServletException  ;
36 import javax.servlet.http.HttpServletRequest ;
37 import javax.servlet.http.HttpServletResponse ;
38 import java.io.IOException ;
39 import java.util.HashMap ;
40
41
44 public class SetStatement extends Statement{
45 private final String _var;
46 private final SSIExpr _value;
47
48 private SetStatement(String var, SSIExpr value)
49 {
50 _var = var;
51 _value = value;
52 }
53
54 static Statement create(HashMap <String ,String > attr, Path path)
55 {
56 String var = attr.get("var");
57
58 if (var == null)
59 return new ErrorStatement("['var' is a required attribute of #set]");
60
61 String value = attr.get("value");
62
63 if (value == null)
64 return new ErrorStatement("['value' is a required attribute of #set]");
65
66 return new SetStatement(var, ExprParser.parseString(value, path));
67 }
68
69
76 public void apply(WriteStream out,
77 HttpServletRequest request,
78 HttpServletResponse response)
79 throws IOException , ServletException
80 {
81 request.setAttribute(_var, _value.evalString(request, response));
82 }
83 }
84 |
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