1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/conn/DefaultHttpRoutePlanner.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,129 @@
1.4 +/*
1.5 + * ====================================================================
1.6 + * Licensed to the Apache Software Foundation (ASF) under one
1.7 + * or more contributor license agreements. See the NOTICE file
1.8 + * distributed with this work for additional information
1.9 + * regarding copyright ownership. The ASF licenses this file
1.10 + * to you under the Apache License, Version 2.0 (the
1.11 + * "License"); you may not use this file except in compliance
1.12 + * with the License. You may obtain a copy of the License at
1.13 + *
1.14 + * http://www.apache.org/licenses/LICENSE-2.0
1.15 + *
1.16 + * Unless required by applicable law or agreed to in writing,
1.17 + * software distributed under the License is distributed on an
1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
1.19 + * KIND, either express or implied. See the License for the
1.20 + * specific language governing permissions and limitations
1.21 + * under the License.
1.22 + * ====================================================================
1.23 + *
1.24 + * This software consists of voluntary contributions made by many
1.25 + * individuals on behalf of the Apache Software Foundation. For more
1.26 + * information on the Apache Software Foundation, please see
1.27 + * <http://www.apache.org/>.
1.28 + *
1.29 + */
1.30 +
1.31 +package ch.boye.httpclientandroidlib.impl.conn;
1.32 +
1.33 +
1.34 +import java.net.InetAddress;
1.35 +
1.36 +import ch.boye.httpclientandroidlib.annotation.ThreadSafe;
1.37 +
1.38 +import ch.boye.httpclientandroidlib.HttpException;
1.39 +import ch.boye.httpclientandroidlib.HttpHost;
1.40 +import ch.boye.httpclientandroidlib.HttpRequest;
1.41 +import ch.boye.httpclientandroidlib.protocol.HttpContext;
1.42 +
1.43 +import ch.boye.httpclientandroidlib.conn.routing.HttpRoute;
1.44 +import ch.boye.httpclientandroidlib.conn.routing.HttpRoutePlanner;
1.45 +import ch.boye.httpclientandroidlib.conn.scheme.Scheme;
1.46 +import ch.boye.httpclientandroidlib.conn.scheme.SchemeRegistry;
1.47 +
1.48 +import ch.boye.httpclientandroidlib.conn.params.ConnRouteParams;
1.49 +
1.50 +/**
1.51 + * Default implementation of an {@link HttpRoutePlanner}. This implementation
1.52 + * is based on {@link ch.boye.httpclientandroidlib.conn.params.ConnRoutePNames parameters}.
1.53 + * It will not make use of any Java system properties, nor of system or
1.54 + * browser proxy settings.
1.55 + * <p>
1.56 + * The following parameters can be used to customize the behavior of this
1.57 + * class:
1.58 + * <ul>
1.59 + * <li>{@link ch.boye.httpclientandroidlib.conn.params.ConnRoutePNames#DEFAULT_PROXY}</li>
1.60 + * <li>{@link ch.boye.httpclientandroidlib.conn.params.ConnRoutePNames#LOCAL_ADDRESS}</li>
1.61 + * <li>{@link ch.boye.httpclientandroidlib.conn.params.ConnRoutePNames#FORCED_ROUTE}</li>
1.62 + * </ul>
1.63 + *
1.64 + * @since 4.0
1.65 + */
1.66 +@ThreadSafe
1.67 +public class DefaultHttpRoutePlanner implements HttpRoutePlanner {
1.68 +
1.69 + /** The scheme registry. */
1.70 + protected final SchemeRegistry schemeRegistry; // class is @ThreadSafe
1.71 +
1.72 + /**
1.73 + * Creates a new default route planner.
1.74 + *
1.75 + * @param schreg the scheme registry
1.76 + */
1.77 + public DefaultHttpRoutePlanner(SchemeRegistry schreg) {
1.78 + if (schreg == null) {
1.79 + throw new IllegalArgumentException
1.80 + ("SchemeRegistry must not be null.");
1.81 + }
1.82 + schemeRegistry = schreg;
1.83 + }
1.84 +
1.85 + public HttpRoute determineRoute(HttpHost target,
1.86 + HttpRequest request,
1.87 + HttpContext context)
1.88 + throws HttpException {
1.89 +
1.90 + if (request == null) {
1.91 + throw new IllegalStateException
1.92 + ("Request must not be null.");
1.93 + }
1.94 +
1.95 + // If we have a forced route, we can do without a target.
1.96 + HttpRoute route =
1.97 + ConnRouteParams.getForcedRoute(request.getParams());
1.98 + if (route != null)
1.99 + return route;
1.100 +
1.101 + // If we get here, there is no forced route.
1.102 + // So we need a target to compute a route.
1.103 +
1.104 + if (target == null) {
1.105 + throw new IllegalStateException
1.106 + ("Target host must not be null.");
1.107 + }
1.108 +
1.109 + final InetAddress local =
1.110 + ConnRouteParams.getLocalAddress(request.getParams());
1.111 + final HttpHost proxy =
1.112 + ConnRouteParams.getDefaultProxy(request.getParams());
1.113 +
1.114 + final Scheme schm;
1.115 + try {
1.116 + schm = schemeRegistry.getScheme(target.getSchemeName());
1.117 + } catch (IllegalStateException ex) {
1.118 + throw new HttpException(ex.getMessage());
1.119 + }
1.120 + // as it is typically used for TLS/SSL, we assume that
1.121 + // a layered scheme implies a secure connection
1.122 + final boolean secure = schm.isLayered();
1.123 +
1.124 + if (proxy == null) {
1.125 + route = new HttpRoute(target, local, secure);
1.126 + } else {
1.127 + route = new HttpRoute(target, local, proxy, secure);
1.128 + }
1.129 + return route;
1.130 + }
1.131 +
1.132 +}
