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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
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 * KIND, either express or implied.  See the License for the
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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.annotation.Contract;
import org.apache.http.annotation.ThreadingBehavior;
import org.apache.http.conn.params.ConnRouteParams;
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.protocol.HttpContext;
import org.apache.http.util.Args;
import org.apache.http.util.Asserts;

/**
 * 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.
 * 

* The following parameters can be used to customize the behavior of this * class: *

    *
  • {@link org.apache.http.conn.params.ConnRoutePNames#DEFAULT_PROXY}
  • *
  • {@link org.apache.http.conn.params.ConnRoutePNames#LOCAL_ADDRESS}
  • *
  • {@link org.apache.http.conn.params.ConnRoutePNames#FORCED_ROUTE}
  • *
* * @since 4.0 * * @deprecated (4.3) use {@link DefaultRoutePlanner} */ @Contract(threading = ThreadingBehavior.SAFE) @Deprecated public class DefaultHttpRoutePlanner implements HttpRoutePlanner { /** The scheme registry. */ protected final SchemeRegistry schemeRegistry; // class is @Contract(threading = ThreadingBehavior.SAFE) /** * Creates a new default route planner. * * @param schreg the scheme registry */ public DefaultHttpRoutePlanner(final SchemeRegistry schreg) { Args.notNull(schreg, "Scheme registry"); schemeRegistry = schreg; } @Override 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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