jdk-24/test/jdk/java/net/ProxySelector/ProxyTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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 * questions.
 */

/*
 * @test
 * @bug 4696512
 * @summary HTTP client: Improve proxy server configuration and selection
 * @modules java.base/sun.net.www
 * @library ../../../sun/net/www/httptest/
 * @build ClosedChannelList TestHttpServer HttpTransaction HttpCallback
 * @compile ProxyTest.java
 * @run main/othervm -Dhttp.proxyHost=inexistant -Dhttp.proxyPort=8080 ProxyTest
 */

import java.net.*;
import java.io.*;
import java.util.ArrayList;

public class ProxyTest implements HttpCallback {
    static TestHttpServer server;

    public ProxyTest() {
    }

    public void request (HttpTransaction req) {
        req.setResponseEntityBody ("Hello .");
        try {
            req.sendResponse (200, "Ok");
            req.orderlyClose();
        } catch (IOException e) {
        }
    }

    static public class MyProxySelector extends ProxySelector {
        private ProxySelector def = null;
        private ArrayList<Proxy> noProxy;

        public MyProxySelector() {
            noProxy = new ArrayList<Proxy>(1);
            noProxy.add(Proxy.NO_PROXY);
        }

        public java.util.List<Proxy> select(URI uri) {
            return noProxy;
        }

        public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {
        }
    }


    public static void main(String[] args) {
        ProxySelector defSelector = ProxySelector.getDefault();
        if (defSelector == null)
            throw new RuntimeException("Default ProxySelector is null");
        ProxySelector.setDefault(new MyProxySelector());
        try {
            server = new TestHttpServer (new ProxyTest(), 1, 10, 0);
            URL url = new URL("http://localhost:"+server.getLocalPort());
            System.out.println ("client opening connection to: " + url);
            HttpURLConnection urlc = (HttpURLConnection)url.openConnection ();
            InputStream is = urlc.getInputStream ();
            is.close();
        } catch (Exception e) {
                throw new RuntimeException(e);
        } finally {
            if (server != null) {
                server.terminate();
            }
        }
    }
}