/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.servlets.ssi;
import com.caucho.vfs.Path;
import com.caucho.vfs.WriteStream;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;
/**
* Represents a SSI include statement
*/
public class IncludeStatement extends Statement{
private final SSIExpr _virtual;
private IncludeStatement(SSIExpr virtual)
{
_virtual = virtual;
}
static Statement create(HashMap<String,String> attr, Path path)
{
String virtual = attr.get("virtual");
if (virtual == null)
return new ErrorStatement("['virtual' is a required attribute of #include]");
return new IncludeStatement(ExprParser.parseConcat(virtual, path));
}
/**
* Executes the SSI statement.
*
* @param out the output stream
* @param request the servlet request
* @param response the servlet response
*/
public void apply(WriteStream out,
HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException
{
out.flushBuffer();
RequestDispatcher disp;
String path = _virtual.evalString(request, response);
disp = request.getRequestDispatcher(path);
disp.include(request, response);
}
}