/*
* $Header: /home/data/cvs/rt/org.eclipse.ecf/tests/bundles/org.eclipse.ecf.tests.apache.httpclient.server/src/org/apache/commons/httpclient/server/HttpServiceHandler.java,v 1.1 2009/02/13 18:07:51 slewis Exp $
* $Revision: 1.1 $
* $Date: 2009/02/13 18:07:51 $
*
* ====================================================================
*
* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.httpclient.server;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpVersion;
/**
* This request handler provides service interface similar to that of Servlet API.
*
* @author Oleg Kalnichevski
*/
public class HttpServiceHandler implements HttpRequestHandler {
private HttpService service = null;
public HttpServiceHandler(final HttpService service) {
super();
if (service == null) {
throw new IllegalArgumentException("Service may not be null");
}
this.service = service;
}
public boolean processRequest(
final SimpleHttpServerConnection conn,
final SimpleRequest request) throws IOException {
if (conn == null) {
throw new IllegalArgumentException("Connection may not be null");
}
if (request == null) {
throw new IllegalArgumentException("Request may not be null");
}
boolean complete = false;
SimpleResponse response = new SimpleResponse();
this.service.process(request, response);
// Nake sure the request if fully consumed
request.getBodyBytes();
// Ensure there's a content type header
if (!response.containsHeader("Content-Type")) {
response.addHeader(new Header("Content-Type", "text/plain"));
}
// Ensure there's a content length or transfer encoding header
if (!response.containsHeader("Content-Length") && !response.containsHeader("Transfer-Encoding")) {
InputStream content = response.getBody();
if (content != null) {
long len = response.getContentLength();
if (len < 0) {
if (response.getHttpVersion().lessEquals(HttpVersion.HTTP_1_0)) {
throw new IOException("Chunked encoding not supported for HTTP version "
+ response.getHttpVersion());
}
Header header = new Header("Transfer-Encoding", "chunked");
response.addHeader(header);
} else {
Header header = new Header("Content-Length", Long.toString(len));
response.setHeader(header);
}
} else {
Header header = new Header("Content-Length", "0");
response.addHeader(header);
}
}
if (!response.containsHeader("Connection")) {
// See if the the client explicitly handles connection persistence
Header connheader = request.getFirstHeader("Connection");
if (connheader != null) {
if (connheader.getValue().equalsIgnoreCase("keep-alive")) {
Header header = new Header("Connection", "keep-alive");
response.addHeader(header);
conn.setKeepAlive(true);
}
if (connheader.getValue().equalsIgnoreCase("close")) {
Header header = new Header("Connection", "close");
response.addHeader(header);
conn.setKeepAlive(false);
}
} else {
// Use protocol default connection policy
if (response.getHttpVersion().greaterEquals(HttpVersion.HTTP_1_1)) {
conn.setKeepAlive(true);
} else {
conn.setKeepAlive(false);
}
}
}
if ("HEAD".equalsIgnoreCase(request.getRequestLine().getMethod())) {
// this is a head request, we don't want to send the actualy content
response.setBody(null);
}
conn.writeResponse(response);
return true;
}
}