diff options
Diffstat (limited to 'src/org/apache/http/impl/conn/DefaultHttpRoutePlanner.java')
-rw-r--r-- | src/org/apache/http/impl/conn/DefaultHttpRoutePlanner.java | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/org/apache/http/impl/conn/DefaultHttpRoutePlanner.java b/src/org/apache/http/impl/conn/DefaultHttpRoutePlanner.java new file mode 100644 index 0000000..90fd55f --- /dev/null +++ b/src/org/apache/http/impl/conn/DefaultHttpRoutePlanner.java @@ -0,0 +1,121 @@ +/* + * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/conn/DefaultHttpRoutePlanner.java $ + * $Revision: 658785 $ + * $Date: 2008-05-21 10:47:40 -0700 (Wed, 21 May 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.impl.conn; + + +import java.net.InetAddress; + +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.routing.HttpRoute; +import org.apache.http.conn.routing.HttpRoutePlanner; +import org.apache.http.conn.scheme.Scheme; +import org.apache.http.conn.scheme.SchemeRegistry; + +import org.apache.http.conn.params.ConnRouteParams; + + +/** + * Default implementation of an {@link HttpRoutePlanner}. + * This implementation is based on + * {@link org.apache.http.conn.params.ConnRoutePNames parameters}. + * It will not make use of any Java system properties, + * nor of system or browser proxy settings. + */ +public class DefaultHttpRoutePlanner implements HttpRoutePlanner { + + /** The scheme registry. */ + protected SchemeRegistry schemeRegistry; + + + /** + * Creates a new default route planner. + * + * @param schreg the scheme registry + */ + public DefaultHttpRoutePlanner(SchemeRegistry schreg) { + if (schreg == null) { + throw new IllegalArgumentException + ("SchemeRegistry must not be null."); + } + schemeRegistry = schreg; + } + + + // non-javadoc, see interface HttpRoutePlanner + public HttpRoute determineRoute(HttpHost target, + HttpRequest request, + HttpContext context) + throws HttpException { + + if (request == null) { + throw new IllegalStateException + ("Request must not be null."); + } + + // If we have a forced route, we can do without a target. + HttpRoute route = + ConnRouteParams.getForcedRoute(request.getParams()); + if (route != null) + return route; + + // If we get here, there is no forced route. + // So we need a target to compute a route. + + if (target == null) { + throw new IllegalStateException + ("Target host must not be null."); + } + + final InetAddress local = + ConnRouteParams.getLocalAddress(request.getParams()); + final HttpHost proxy = + ConnRouteParams.getDefaultProxy(request.getParams()); + + final Scheme schm = schemeRegistry.getScheme(target.getSchemeName()); + // as it is typically used for TLS/SSL, we assume that + // a layered scheme implies a secure connection + final boolean secure = schm.isLayered(); + + if (proxy == null) { + route = new HttpRoute(target, local, secure); + } else { + route = new HttpRoute(target, local, proxy, secure); + } + return route; + } + + +} |