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/*
* ====================================================================
* 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 ch.boye.httpclientandroidlib.impl.conn;
import java.net.InetAddress;
import ch.boye.httpclientandroidlib.HttpException;
import ch.boye.httpclientandroidlib.HttpHost;
import ch.boye.httpclientandroidlib.HttpRequest;
import ch.boye.httpclientandroidlib.annotation.ThreadSafe;
import ch.boye.httpclientandroidlib.conn.params.ConnRouteParams;
import ch.boye.httpclientandroidlib.conn.routing.HttpRoute;
import ch.boye.httpclientandroidlib.conn.routing.HttpRoutePlanner;
import ch.boye.httpclientandroidlib.conn.scheme.Scheme;
import ch.boye.httpclientandroidlib.conn.scheme.SchemeRegistry;
import ch.boye.httpclientandroidlib.protocol.HttpContext;
import ch.boye.httpclientandroidlib.util.Args;
import ch.boye.httpclientandroidlib.util.Asserts;
/**
* Default implementation of an {@link HttpRoutePlanner}. This implementation
* is based on {@link ch.boye.httpclientandroidlib.conn.params.ConnRoutePNames parameters}.
* It will not make use of any Java system properties, nor of system or
* browser proxy settings.
* <p>
* The following parameters can be used to customize the behavior of this
* class:
* <ul>
* <li>{@link ch.boye.httpclientandroidlib.conn.params.ConnRoutePNames#DEFAULT_PROXY}</li>
* <li>{@link ch.boye.httpclientandroidlib.conn.params.ConnRoutePNames#LOCAL_ADDRESS}</li>
* <li>{@link ch.boye.httpclientandroidlib.conn.params.ConnRoutePNames#FORCED_ROUTE}</li>
* </ul>
*
* @since 4.0
*
* @deprecated (4.3) use {@link DefaultRoutePlanner}
*/
@ThreadSafe
@Deprecated
public class DefaultHttpRoutePlanner implements HttpRoutePlanner {
/** The scheme registry. */
protected final SchemeRegistry schemeRegistry; // class is @ThreadSafe
/**
* Creates a new default route planner.
*
* @param schreg the scheme registry
*/
public DefaultHttpRoutePlanner(final SchemeRegistry schreg) {
Args.notNull(schreg, "Scheme registry");
schemeRegistry = schreg;
}
public HttpRoute determineRoute(final HttpHost target,
final HttpRequest request,
final HttpContext context)
throws HttpException {
Args.notNull(request, "HTTP request");
// 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.
Asserts.notNull(target, "Target host");
final InetAddress local =
ConnRouteParams.getLocalAddress(request.getParams());
final HttpHost proxy =
ConnRouteParams.getDefaultProxy(request.getParams());
final Scheme schm;
try {
schm = this.schemeRegistry.getScheme(target.getSchemeName());
} catch (final IllegalStateException ex) {
throw new HttpException(ex.getMessage());
}
// 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;
}
}
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