/*
* $HeadURL: https://svn.apache.org/repos/asf/jakarta/httpcomponents/httpclient/tags/4.0-alpha2/module-client/src/main/java/org/apache/http/impl/conn/DefaultHttpRoutePlanner.java $
* $Revision: 571808 $
* $Date: 2007-09-01 17:32:48 +0200 (Sat, 01 Sep 2007) $
*
* ====================================================================
* 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.conn;
import org.apache.http.HttpException;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.protocol.HttpContext;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.HttpRoute;
import org.apache.http.conn.HttpRoutePlanner;
import org.apache.http.conn.Scheme;
import org.apache.http.conn.params.HttpConnParams;
/**
* Default implementation of an {@link HttpRoutePlanner}.
* This implementation is based on parameters.
* It will not make use of any Java system properties.
*/
public class DefaultHttpRoutePlanner implements HttpRoutePlanner {
private ClientConnectionManager connectionManager;
public DefaultHttpRoutePlanner(ClientConnectionManager aConnManager) {
setConnectionManager(aConnManager);
}
// default constructor
public void setConnectionManager(ClientConnectionManager aConnManager) {
this.connectionManager = aConnManager;
}
// non-javadoc, see interface HttpRoutePlanner
public HttpRoute determineRoute(HttpHost target,
HttpRequest request,
HttpContext context)
throws HttpException {
if (target == null) {
throw new IllegalStateException
("Target host must not be null.");
}
if (request == null) {
throw new IllegalStateException
("Request must not be null.");
}
HttpHost proxy = (HttpHost)
request.getParams().getParameter(HttpConnParams.DEFAULT_PROXY);
Scheme schm = this.connectionManager.getSchemeRegistry().
getScheme(target.getSchemeName());
// as it is typically used for TLS/SSL, we assume that
// a layered scheme implies a secure connection
boolean secure = schm.isLayered();
HttpRoute route = null;
if (proxy == null) {
route = new HttpRoute(target, null, secure);
} else {
route = new HttpRoute(target, null, proxy, secure);
}
return route;
}
}