Glassfish example source code file (ConnectionManager.java)

This example Glassfish source code file (ConnectionManager.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 - Glassfish tags/keywords

httpsurlconnection, httpsurlconnection, httpurlconnection, httpurlconnection, io, ioexception, ioexception, lbdevicenotconfigured, net, network, override, proxy, ssl, ssl, string, string, trustmanager, url

The Glassfish ConnectionManager.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package org.glassfish.loadbalancer.admin.cli.connection;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.URL;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.HostnameVerifier;
import java.net.HttpURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import com.sun.enterprise.security.ssl.SSLUtils;

import org.jvnet.hk2.component.Habitat;
import org.glassfish.internal.api.Globals;
import org.glassfish.loadbalancer.admin.cli.LbLogUtil;

/**
 *
 * @author hr124446
 */
public class ConnectionManager {

    public static final String HTTPS_PROTOCOL = "https";
    public static final String HTTP_PROTOCOL = "http";
    public static final String SSL = "SSL";

    /** Creates a new instance of ConnectionManager */
    public ConnectionManager(String lbHost, String lbPort, String lbProxyHost,
            String lbProxyPort, String lbName, boolean isSecure) {
        _lbHost = lbHost;
        _lbPort = lbPort;
        _lbProxyHost = lbProxyHost;
        _lbProxyPort = lbProxyPort;
        _lbName = lbName;
        _isSecure = isSecure;
    }

    /**
     * creates a connection to the loadbalancer
     * @param contextRoot context root that will be used in constructing the URL
     * @throws java.io.IOException 
     * @return either HTTP or HTTPS connection to the load balancer.
     */
    public HttpURLConnection getConnection(String contextRoot) throws IOException {
        if (_isSecure) {
            return getSecureConnection(contextRoot);
        } else {
            return getNonSecureConnection(contextRoot);
        }
    }

    /**
     * creates a connection to the loadbalancer
     * @param contextRoot context root that will be used in constructing the URL
     * @throws java.io.IOException 
     * @return either HTTP or HTTPS connection to the load balancer.
     */
    private HttpURLConnection getNonSecureConnection(String contextRoot) throws IOException {
        if (_lbHost == null || _lbPort == null) {
            String msg = LbLogUtil.getStringManager().getString("LbDeviceNotConfigured", _lbName);
            throw new IOException(msg);
        }

        HttpURLConnection conn = null;
        URL url = null;
        try {

            //---------------------------------
            url = new URL(HTTP_PROTOCOL, _lbHost, Integer.parseInt(_lbPort), contextRoot);
            if (_lbProxyHost != null && _lbProxyPort != null) {
                Proxy proxy = new Proxy(Proxy.Type.HTTP,
                        new InetSocketAddress(_lbProxyHost, Integer.parseInt(_lbProxyPort)));
                conn = (HttpURLConnection) url.openConnection(proxy);
            } else {
                conn = (HttpURLConnection) url.openConnection();
            }
        } catch (Exception e) {
            throw new IOException(e.getMessage(), e);
        }
        return conn;
    }

    /**
     * creates a connection to the loadbalancer
     * @param contextRoot context root that will be used in constructing the URL
     * @throws java.io.IOException 
     * @return HTTPS connection to the load balancer.
     */
    private HttpsURLConnection getSecureConnection(String contextRoot) throws IOException {
        if (_lbHost == null || _lbPort == null) {
            String msg = LbLogUtil.getStringManager().getString("LbDeviceNotConfigured", _lbName);
            throw new IOException(msg);
        }

        HttpsURLConnection conn = null;
        URL url = null;
        try {
            //---------------------------------
            // Create a trust manager that does not validate certificate chains
            TrustManager[] trustAllCerts = new TrustManager[]{
                new X509TrustManager() {

                    @Override
                    public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                        return null;
                    }

                    @Override
                    public void checkClientTrusted(
                            java.security.cert.X509Certificate[] certs, String authType) {
                    }

                    @Override
                    public void checkServerTrusted(
                            java.security.cert.X509Certificate[] certs, String authType) {
                    }
                }
            };

            // Install the all-trusting trust manager
            SSLContext sc = SSLContext.getInstance(SSL);
            Habitat habitat = Globals.getDefaultHabitat();
            SSLUtils sslUtils = habitat.getComponent(SSLUtils.class);
            sc.init(sslUtils.getKeyManagers(), trustAllCerts, new java.security.SecureRandom());

            //---------------------------------
            url = new URL(HTTPS_PROTOCOL, _lbHost, Integer.parseInt(_lbPort), contextRoot);
            if (_lbProxyHost != null && _lbProxyPort != null) {
                Proxy proxy = new Proxy(Proxy.Type.HTTP,
                        new InetSocketAddress(_lbProxyHost, Integer.parseInt(_lbProxyPort)));
                conn = (HttpsURLConnection) url.openConnection(proxy);
            } else {
                conn = (HttpsURLConnection) url.openConnection();
            }
            conn.setSSLSocketFactory(sc.getSocketFactory());
            HostnameVerifier hnv = new SSLHostNameVerifier();
            conn.setDefaultHostnameVerifier(hnv);
        } catch (Exception e) {
            throw new IOException(e.getMessage(), e);
        }
        return conn;
    }
    private String _lbHost = null;
    private String _lbPort = null;
    private String _lbProxyHost = null;
    private String _lbProxyPort = null;
    private String _lbName = null;
    private boolean _isSecure = true;
}