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Java example source code file (ProxySelectorMockup.java)

This example source code file (ProxySelectorMockup.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java tags/keywords

arraylist, illegalargumentexception, io, ioexception, list, net, network, override, proxyselectormockup, socketaddress, util

The ProxySelectorMockup.java example source code

/*
 * ====================================================================
 * 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 org.apache.http.mockup;


import java.net.URI;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.SocketAddress;

import java.util.List;
import java.util.ArrayList;
import java.io.IOException;



/**
 * Mockup of a {@link ProxySelector}.
 * Always returns a fixed list.
 */
public class ProxySelectorMockup extends ProxySelector {

    protected List<Proxy> proxyList;


    /**
     * Creates a mock proxy selector.
     *
     * @param proxies   the list of proxies, or
     *                  <code>null for direct connections
     */
    public ProxySelectorMockup(List<Proxy> proxies) {

        if (proxies == null) {
            proxies = new ArrayList<Proxy>(1);
            proxies.add(Proxy.NO_PROXY);
        } else if (proxies.isEmpty()) {
            throw new IllegalArgumentException
                ("Proxy list must not be empty.");
        }

        proxyList = proxies;
    }


    /**
     * Obtains the constructor argument.
     *
     * @param ignored   not used by this mockup
     *
     * @return  the list passed to the constructor,
     *          or a default list with "DIRECT" as the only element
     */
    @Override
    public List<Proxy> select(URI ignored) {
        return proxyList;
    }


    /**
     * Does nothing.
     */
    @Override
    public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {
        // no body
    }
}

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