/*
* ====================================================================
* 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.impl.client;
import org.apache.http.Header;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.TokenIterator;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.message.BasicHeaderIterator;
import org.apache.http.message.BasicTokenIterator;
import org.apache.http.protocol.HTTP;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpCoreContext;
public class DefaultClientConnectionReuseStrategy extends DefaultConnectionReuseStrategy {
public static final DefaultClientConnectionReuseStrategy INSTANCE = new DefaultClientConnectionReuseStrategy();
@Override
public boolean keepAlive(final HttpResponse response, final HttpContext context) {
final HttpRequest request = (HttpRequest) context.getAttribute(HttpCoreContext.HTTP_REQUEST);
if (request != null) {
final Header[] connHeaders = request.getHeaders(HttpHeaders.CONNECTION);
if (connHeaders.length != 0) {
final TokenIterator ti = new BasicTokenIterator(new BasicHeaderIterator(connHeaders, null));
while (ti.hasNext()) {
final String token = ti.nextToken();
if (HTTP.CONN_CLOSE.equalsIgnoreCase(token)) {
return false;
}
}
}
}
return super.keepAlive(response, context);
}
}