/*
* 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.server.fastcgi;
import java.io.IOException;
import java.util.ArrayList;
import javax.servlet.http.Cookie;
import com.caucho.server.http.AbstractHttpResponse;
import com.caucho.server.http.AbstractResponseStream;
import com.caucho.server.http.HttpServletResponseImpl;
import com.caucho.util.Alarm;
import com.caucho.util.CharBuffer;
import com.caucho.vfs.WriteStream;
/**
* Handles a response for a srun connection, i.e. a connection to
* a web server plugin.
*/
public class FastCgiResponse extends AbstractHttpResponse {
private FastCgiRequest _req;
FastCgiResponse(FastCgiRequest request, WriteStream rawWrite)
{
super(request);
_req = request;
if (request == null)
throw new NullPointerException();
}
@Override
protected AbstractResponseStream createResponseStream()
{
FastCgiRequest request = (FastCgiRequest) _request;
return new FastCgiResponseStream(request, this, request.getWriteStream());
}
/**
* headersWritten cannot be undone for hmux
*/
@Override
public void setHeaderWritten(boolean isWritten)
{
// server/265a
}
@Override
protected boolean writeHeadersInt(int length,
boolean isHead)
throws IOException
{
if (! _request.hasRequest())
return false;
HttpServletResponseImpl response = _request.getResponseFacade();
int statusCode = response.getStatus();
String statusMessage = response.getStatusMessage();
WriteStream os = _req.getWriteStream();
os.print("Status: ");
os.print(statusCode);
os.print(' ');
os.print(statusMessage);
os.print("\r\n");
CharBuffer cb = _cb;
if (statusCode >= 400) {
removeHeader("ETag");
removeHeader("Last-Modified");
}
else if (response.isNoCache()) {
removeHeader("ETag");
removeHeader("Last-Modified");
setHeader("Expires", "Thu, 01 Dec 1994 16:00:00 GMT");
os.print("Cache-Control: no-cache\r\n");
}
else if (response.isPrivateCache()) {
os.print("Cache-Control: private\r\n");
}
int size = _headerKeys.size();
for (int i = 0; i < size; i++) {
String key = (String) _headerKeys.get(i);
String value = (String) _headerValues.get(i);
os.print(key);
os.print(": ");
os.print(value);
os.print("\r\n");
}
long now = Alarm.getCurrentTime();
ArrayList<Cookie> cookiesOut = response.getCookies();
if (cookiesOut != null) {
size = cookiesOut.size();
for (int i = 0; i < size; i++) {
Cookie cookie = cookiesOut.get(i);
int cookieVersion = cookie.getVersion();
fillCookie(cb, cookie, now, 0, false);
os.print("Set-Cookie: ");
os.print(cb);
os.print("\r\n");
if (cookieVersion > 0) {
fillCookie(cb, cookie, now, cookieVersion, true);
os.print("Set-Cookie2: ");
os.print(cb);
os.print("\r\n");
}
}
}
String contentType = response.getContentTypeImpl();
String charEncoding = response.getCharacterEncodingImpl();
if (contentType != null) {
if (charEncoding != null) {
os.print("Content-Type: ");
os.print(contentType);
os.print("; charset=");
os.print(charEncoding);
os.print("\r\n");
}
else {
os.print("Content-Type: ");
os.print(contentType);
os.print("\r\n");
}
}
os.print("\r\n");
return false;
}
}