/*
* ====================================================================
* 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/>.
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*/
package org.apache.http.impl.nio.conn;
import java.net.InetAddress;
import org.apache.http.HttpException;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.nio.conn.scheme.LayeringStrategy;
import org.apache.http.nio.conn.scheme.AsyncScheme;
import org.apache.http.nio.conn.scheme.AsyncSchemeRegistry;
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.params.ConnRouteParams;
public class DefaultHttpAsyncRoutePlanner implements HttpRoutePlanner {
private final AsyncSchemeRegistry schemeRegistry;
public DefaultHttpAsyncRoutePlanner(final AsyncSchemeRegistry schemeRegistry) {
super();
this.schemeRegistry = schemeRegistry;
}
public HttpRoute determineRoute(
final HttpHost target,
final HttpRequest request,
final HttpContext context) throws HttpException {
if (request == null) {
throw new IllegalStateException("Request may not be null");
}
HttpRoute route = ConnRouteParams.getForcedRoute(request.getParams());
if (route != null) {
return route;
}
if (target == null) {
throw new IllegalStateException("Target host may be null");
}
InetAddress local = ConnRouteParams.getLocalAddress(request.getParams());
HttpHost proxy = ConnRouteParams.getDefaultProxy(request.getParams());
AsyncScheme scheme;
try {
scheme = this.schemeRegistry.getScheme(target);
} catch (IllegalStateException ex) {
throw new HttpException(ex.getMessage());
}
LayeringStrategy layeringStrategy = scheme.getLayeringStrategy();
boolean secure = layeringStrategy != null && layeringStrategy.isSecure();
if (proxy == null) {
route = new HttpRoute(target, local, secure);
} else {
route = new HttpRoute(target, local, proxy, secure);
}
return route;
}
}