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-rw-r--r--src/org/apache/http/protocol/ResponseConnControl.java104
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diff --git a/src/org/apache/http/protocol/ResponseConnControl.java b/src/org/apache/http/protocol/ResponseConnControl.java
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--- a/src/org/apache/http/protocol/ResponseConnControl.java
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-/*
- * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/ResponseConnControl.java $
- * $Revision: 618017 $
- * $Date: 2008-02-03 08:42:22 -0800 (Sun, 03 Feb 2008) $
- *
- * ====================================================================
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.http.protocol;
-
-import java.io.IOException;
-
-import org.apache.http.Header;
-import org.apache.http.HttpEntity;
-import org.apache.http.HttpException;
-import org.apache.http.HttpRequest;
-import org.apache.http.HttpResponse;
-import org.apache.http.HttpResponseInterceptor;
-import org.apache.http.HttpStatus;
-import org.apache.http.HttpVersion;
-import org.apache.http.ProtocolVersion;
-
-/**
- * A response interceptor that suggests connection keep-alive to the client.
- * For use on the server side.
- *
- * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
- *
- * @version $Revision: 618017 $
- *
- * @since 4.0
- */
-public class ResponseConnControl implements HttpResponseInterceptor {
-
- public ResponseConnControl() {
- super();
- }
-
- public void process(final HttpResponse response, final HttpContext context)
- throws HttpException, IOException {
- if (response == null) {
- throw new IllegalArgumentException("HTTP response may not be null");
- }
- if (context == null) {
- throw new IllegalArgumentException("HTTP context may not be null");
- }
- // Always drop connection after certain type of responses
- int status = response.getStatusLine().getStatusCode();
- if (status == HttpStatus.SC_BAD_REQUEST ||
- status == HttpStatus.SC_REQUEST_TIMEOUT ||
- status == HttpStatus.SC_LENGTH_REQUIRED ||
- status == HttpStatus.SC_REQUEST_TOO_LONG ||
- status == HttpStatus.SC_REQUEST_URI_TOO_LONG ||
- status == HttpStatus.SC_SERVICE_UNAVAILABLE ||
- status == HttpStatus.SC_NOT_IMPLEMENTED) {
- response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
- return;
- }
- // Always drop connection for HTTP/1.0 responses and below
- // if the content body cannot be correctly delimited
- HttpEntity entity = response.getEntity();
- if (entity != null) {
- ProtocolVersion ver = response.getStatusLine().getProtocolVersion();
- if (entity.getContentLength() < 0 &&
- (!entity.isChunked() || ver.lessEquals(HttpVersion.HTTP_1_0))) {
- response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
- return;
- }
- }
- // Drop connection if requested by the client
- HttpRequest request = (HttpRequest)
- context.getAttribute(ExecutionContext.HTTP_REQUEST);
- if (request != null) {
- Header header = request.getFirstHeader(HTTP.CONN_DIRECTIVE);
- if (header != null) {
- response.setHeader(HTTP.CONN_DIRECTIVE, header.getValue());
- }
- }
- }
-
-}