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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.ProtocolException;
import ch.boye.httpclientandroidlib.annotation.Immutable;
import ch.boye.httpclientandroidlib.client.config.RequestConfig;
import ch.boye.httpclientandroidlib.client.protocol.HttpClientContext;
import ch.boye.httpclientandroidlib.conn.SchemePortResolver;
import ch.boye.httpclientandroidlib.conn.UnsupportedSchemeException;
import ch.boye.httpclientandroidlib.conn.routing.HttpRoute;
import ch.boye.httpclientandroidlib.conn.routing.HttpRoutePlanner;
import ch.boye.httpclientandroidlib.protocol.HttpContext;
import ch.boye.httpclientandroidlib.util.Args;
/**
* Default implementation of an {@link HttpRoutePlanner}. It will not make use of
* any Java system properties, nor of system or browser proxy settings.
*
* @since 4.3
*/
@Immutable
public class DefaultRoutePlanner implements HttpRoutePlanner {
private final SchemePortResolver schemePortResolver;
public DefaultRoutePlanner(final SchemePortResolver schemePortResolver) {
super();
this.schemePortResolver = schemePortResolver != null ? schemePortResolver :
DefaultSchemePortResolver.INSTANCE;
}
public HttpRoute determineRoute(
final HttpHost host,
final HttpRequest request,
final HttpContext context) throws HttpException {
Args.notNull(request, "Request");
if (host == null) {
throw new ProtocolException("Target host is not specified");
}
final HttpClientContext clientContext = HttpClientContext.adapt(context);
final RequestConfig config = clientContext.getRequestConfig();
final InetAddress local = config.getLocalAddress();
HttpHost proxy = config.getProxy();
if (proxy == null) {
proxy = determineProxy(host, request, context);
}
final HttpHost target;
if (host.getPort() <= 0) {
try {
target = new HttpHost(
host.getHostName(),
this.schemePortResolver.resolve(host),
host.getSchemeName());
} catch (final UnsupportedSchemeException ex) {
throw new HttpException(ex.getMessage());
}
} else {
target = host;
}
final boolean secure = target.getSchemeName().equalsIgnoreCase("https");
if (proxy == null) {
return new HttpRoute(target, local, secure);
} else {
return new HttpRoute(target, local, proxy, secure);
}
}
protected HttpHost determineProxy(
final HttpHost target,
final HttpRequest request,
final HttpContext context) throws HttpException {
return null;
}
}
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