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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 EchoStatement extends Statement{
45 private final VarExpr _var;
46
47 private EchoStatement(VarExpr var)
48 {
49 _var = var;
50 }
51
52 static Statement create(HashMap <String ,String > attr, Path path)
53 {
54 String var = attr.get("var");
55
56 if (var == null)
57 return new ErrorStatement("['var' is a required attribute of #echo]");
58
59 return new EchoStatement(new VarExpr(var, path));
60 }
61
62
69 public void apply(WriteStream out,
70 HttpServletRequest request,
71 HttpServletResponse response)
72 throws IOException , ServletException
73 {
74 out.print(_var.evalString(request, response));
75 }
76 }
77 |
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