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Glassfish example source code file (TargetServerHelper.java)

This example Glassfish source code file (TargetServerHelper.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

arraylist, comma, comma, default_endpoint_port, list, list, plus, property, security, string, string, targetserver, targetserver, targetserverhelper, util

The Glassfish TargetServerHelper.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]"
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 * 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.appclient.client.acc;

import java.util.ArrayList;
import java.util.List;
import org.glassfish.appclient.client.acc.config.ClientContainer;
import org.glassfish.appclient.client.acc.config.Property;
import org.glassfish.appclient.client.acc.config.Security;
import org.glassfish.appclient.client.acc.config.TargetServer;
import org.glassfish.enterprise.iiop.api.GlassFishORBHelper;

/**
 * Encapsulates the logic for deciding what TargetServer objects to use for
 * a given command invocation.
 *
 * @author tjquinn
 */
public class TargetServerHelper {

    private static int DEFAULT_ENDPOINT_PORT = Integer.parseInt(GlassFishORBHelper.DEFAULT_ORB_INIT_PORT);
    private static final String SSL_PROPERTY_NAME = "ssl";


    /**
     * Returns the target endpoint(s) to use for bootstrapping to the server-
     * side ORB(s).
     * <p>
     * The user can specify the set of targets in multiple ways.  If the user
     * uses the -targetserver command-line option, then that setting overrides
     * all other derivations of the target server list.  In the absence of
     * the -targetserver option, the appclient command composes a list of
     * endpoints based on (first) the target-server element(s) from the ACC
     * configuration file and adds to that list, if present, any setting from
     * a client-container/property setting of GlassFishORBManager.IIOP_ENDPOINTS_PROPERTY.
     *
     * @param clientContainer the client container JAXB fragment
     * @return target server(s) to use for bootstrapping
     */
    public static TargetServer[] targetServers(
            final ClientContainer clientContainer,
            final String commandOptionValue) throws UserError {
        
        /*
         * Precedence:
         * 1. command-line -targetserver option
         * 2. config file target-server elements plus any config file top-level property setting
         */
        List<TargetServer> result =
             (commandOptionValue != null)
                ? selectEndpointsFromCommandLine(commandOptionValue)
                : selectEndpointsFromConfig(clientContainer);
        return result.toArray(new TargetServer[result.size()]);
    }

    private static List<TargetServer> selectEndpointsFromConfig(ClientContainer cc) {
        /*
         * Scan the property elements in the configuration for useful information.
         */
        /*
         * If the configuration specifies the "ssl" property then add a
         * child security element to each TargetServer created for the
         * target-server elements.
         */
        boolean isGlobalSSL = false;
        String endpointPropertySetting = null;

        for (Property p : cc.getProperty()) {
            /*
             * Per Ken S., commented out for now.
             */
/*            if (p.getName().equals(GlassFishORBManager.IIOP_ENDPOINTS_PROPERTY)) {
                endpointPropertySetting = p.getValue();
             } else {
 */
                if (p.getName().equals(SSL_PROPERTY_NAME)) {
                    isGlobalSSL = Boolean.parseBoolean(p.getValue());
                }
//            }
        }

        List<TargetServer> endpoints = new ArrayList();

        /*
         * Start the target list with those specified in the configuration.
         */
        endpoints.addAll(cc.getTargetServer());

        /*
         * Add a TargetServer for each host:port expression in the configuration's
         * endpoints property, if present.
         */
        if (endpointPropertySetting != null) {
            endpoints.addAll(endpointsFromListList(endpointPropertySetting));
        }

        /*
         * For all target servers assembled so far, if one does not have a
         * user-specified security child but the global SSL property was set
         * then add a security child.
         */
        for (TargetServer ts : endpoints) {
            /*
             * If the user selected SSL by setting that property in the
             * config then add a security child, because the AppClientContainer
             * expects each TargetServer object to declare its own
             * security needs explicitly.
             *
             * Note that if the user already defined a security element for the
             * target server we don't override it.
             */
            if (isGlobalSSL && ts.getSecurity() == null) {
                Security sec = new Security();
                ts.setSecurity(sec);
            }
        }


        return endpoints;
    }

    private static List<TargetServer> selectEndpointsFromCommandLine(final String serverText) {
        return endpointsFromListList(serverText);
    }

    private static final String COMMA = ",";
    private static final String PLUS = "+";

    private static List<TargetServer> endpointsFromListList(final String endpointsText) {
        List<TargetServer> result = new ArrayList();
        /*
         * Permit either comma or plus sign as the list separator.  The command
         * parsing on Windows treats a comma as an argument separator.  Users can
         * include a comma-list inside double quotes on Windows to overcome this
         * but allowing + also might help a little.
         */
        String delimiter;
        if (endpointsText.contains(PLUS)) {
            delimiter = PLUS;
        } else {
            delimiter = COMMA;
        }

        for (String endpointText : endpointsText.split(delimiter)) {
            result.add(endpointFromHostColonPort(endpointText));
        }
        return result;
    }

    private static TargetServer endpointFromHostColonPort(
            final String endpointText) {
        final int colon = endpointText.indexOf(':');
        final String host;
        final int port;
        if (colon == -1) {
            host = endpointText;
            port = DEFAULT_ENDPOINT_PORT;
        } else {
            host = endpointText.substring(0, colon);
            port = Integer.parseInt(endpointText.substring(colon+1));
        }
        return new TargetServer(host, port);
    }

}

Other Glassfish examples (source code examples)

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