01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
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.RequestDispatcher;
36: import javax.servlet.ServletException;
37: import javax.servlet.http.HttpServletRequest;
38: import javax.servlet.http.HttpServletResponse;
39: import java.io.IOException;
40: import java.util.HashMap;
41:
42: /**
43: * Represents a SSI include statement
44: */
45: public class IncludeStatement extends Statement {
46: private final SSIExpr _virtual;
47:
48: private IncludeStatement(SSIExpr virtual) {
49: _virtual = virtual;
50: }
51:
52: static Statement create(HashMap<String, String> attr, Path path) {
53: String virtual = attr.get("virtual");
54:
55: if (virtual == null)
56: return new ErrorStatement(
57: "['virtual' is a required attribute of #include]");
58:
59: return new IncludeStatement(ExprParser.parseString(virtual,
60: path));
61: }
62:
63: /**
64: * Executes the SSI statement.
65: *
66: * @param out the output stream
67: * @param request the servlet request
68: * @param response the servlet response
69: */
70: public void apply(WriteStream out, HttpServletRequest request,
71: HttpServletResponse response) throws IOException,
72: ServletException {
73: out.flushBuffer();
74:
75: RequestDispatcher disp;
76:
77: String path = _virtual.evalString(request, response);
78:
79: disp = request.getRequestDispatcher(path);
80:
81: disp.include(request, response);
82: }
83: }
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