ConnectToEmbeddedAutAgentHandler.java

/*******************************************************************************
 * Copyright (c) 2004, 2011 BREDEX GmbH.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     BREDEX GmbH - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.eclipse.jubula.client.autagent.handlers;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.ParameterizedCommand;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.jubula.autagent.AutStarter;
import org.eclipse.jubula.autagent.AutStarter.Verbosity;
import org.eclipse.jubula.client.autagent.Activator;
import org.eclipse.jubula.client.autagent.preferences.PreferenceInitializer;
import org.eclipse.jubula.client.ui.rcp.constants.RCPCommandIDs;
import org.eclipse.jubula.client.ui.rcp.handlers.AUTAgentConnectHandler;
import org.eclipse.jubula.client.ui.utils.CommandHelper;
import org.eclipse.jubula.tools.internal.constants.EnvConstants;
import org.eclipse.jubula.tools.internal.i18n.I18n;
import org.eclipse.ui.statushandlers.StatusManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Handler for "Connect to Embedded AUT Agent" command.
 * 
 * @author BREDEX GmbH
 * @created Jun 29, 2011
 */
public class ConnectToEmbeddedAutAgentHandler extends AbstractHandler 
        implements IHandler {

    /** ID of "Connect to Embedded AUT Agent" command */
    public static final String CONNECT_TO_EMBEDDED_AGENT_CMD_ID = 
        "org.eclipse.jubula.client.autagent.commands.ConnectToEmbeddedAutAgent"; //$NON-NLS-1$
    
    /** the logger */
    protected static final Logger LOG = LoggerFactory
            .getLogger(ConnectToEmbeddedAutAgentHandler.class);

    /** {@inheritDoc} */
    public Object execute(ExecutionEvent event) {
        
        AutStarter autAgentInstance = AutStarter.getInstance();
        if (autAgentInstance.getCommunicator() == null) {
            // Embedded Agent is not running. We need to start it before
            // trying to connect to it.
            final int port = Platform.getPreferencesService().getInt(
                Activator.PLUGIN_ID,
                PreferenceInitializer.PREF_EMBEDDED_AGENT_PORT,
                EnvConstants.EMBEDDED_AUT_AGENT_DEFAULT_PORT, null);
            try {
                autAgentInstance.start(
                        port, false, Verbosity.QUIET, false);
            } catch (Exception e) {
                String message = I18n.getString("AUTAgent.StartCommErrorText", //$NON-NLS-1$
                        new String[] {String.valueOf(port)});
                LOG.error(message, e);
                StatusManager.getManager().handle(
                        new Status(IStatus.ERROR, Activator.PLUGIN_ID, 
                                message, 
                                e), 
                        StatusManager.SHOW);
                return null;
            }
        }
        String hostname = EnvConstants.LOCALHOST_ALIAS;
        int port = autAgentInstance.getCommunicator().getLocalPort();
        
        Command connectToAutAgentCommand = CommandHelper
                .getCommandService().getCommand(
                        RCPCommandIDs.CONNECT_TO_AUT_AGENT);
        Map<String, String> parameters = new HashMap<String, String>();
        parameters.put(AUTAgentConnectHandler.AUT_AGENT_NAME_TO_CONNECT,
                hostname);
        parameters.put(AUTAgentConnectHandler.AUT_AGENT_PORT_TO_CONNECT,
                String.valueOf(port));
        
        CommandHelper.executeParameterizedCommand(ParameterizedCommand
                .generateCommand(connectToAutAgentCommand, parameters));
        
        return null;
    }

}