org.eclipse.jetty.osgi.pde.launch.ui.console.JettyConsolePageParticipant.java Source code

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Here is the source code for org.eclipse.jetty.osgi.pde.launch.ui.console.JettyConsolePageParticipant.java

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// ========================================================================
// Copyright (c) 2009 Intalio, Inc.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at 
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses. 
// Contributors:
//    Hugues Malphettes - initial API and implementation
// ========================================================================
package org.eclipse.jetty.osgi.pde.launch.ui.console;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.eclipse.debug.core.ILaunchDelegate;
import org.eclipse.debug.core.model.RuntimeProcess;
import org.eclipse.jetty.osgi.pde.launch.ui.JettyEquinoxLaunchConfiguration;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IConsoleConstants;
import org.eclipse.ui.console.IConsolePageParticipant;
import org.eclipse.ui.console.IOConsole;
import org.eclipse.ui.part.IPageBookViewPage;

/**
 * Called whenever a new console is started.
 * When that console is related to the launch of jetty-osgi we add some buttons
 * to the console to make it easier to relaunch web-applications.
 */
public class JettyConsolePageParticipant implements IConsolePageParticipant {

    private ReloadDeployedWebappsAction _reloadWebapps;

    /**
     * Called during page initialization. Marks the start of this 
     * page participant's lifecycle.
     * 
     * @param page the page corresponding to the given console
     * @param console the console for which a page has been created
     */
    public void init(IPageBookViewPage page, IConsole console) {
        if (!(console instanceof IOConsole)) {
            return;//we should not even be here as we are testing for the java property
            //in the plugin.xml so it is always an IOConsole
        }
        Object o = ((IOConsole) console).getAttribute("org.eclipse.debug.ui.ATTR_CONSOLE_PROCESS");
        if (o == null || !(o instanceof RuntimeProcess)) {
            return;
        }
        RuntimeProcess runProc = (RuntimeProcess) o;
        ILaunchConfiguration launchConfig = runProc.getLaunch().getLaunchConfiguration();
        if (launchConfig == null) {
            return;
        }
        try {
            ILaunchConfigurationType launchConfigType = launchConfig.getType();
            if (launchConfigType == null) {
                return;
            }
            boolean foundJetty = false;
            for (Object modes : launchConfigType.getSupportedModeCombinations()) {
                for (ILaunchDelegate del : launchConfigType.getDelegates((Set) modes)) {
                    if (del.getDelegate() instanceof JettyEquinoxLaunchConfiguration) {
                        foundJetty = true;//oof
                        break;
                    }
                }
                if (foundJetty) {
                    break;
                }
            }
            if (!foundJetty) {
                return;
            }
        } catch (Exception e) {
            return;
        }

        _reloadWebapps = new ReloadDeployedWebappsAction(console, launchConfig);

        IToolBarManager manager = page.getSite().getActionBars().getToolBarManager();
        manager.appendToGroup(IConsoleConstants.LAUNCH_GROUP, _reloadWebapps);
    }

    /**
     * Disposes this page participant. Marks the end of this
     * page participant's lifecycle.
     */
    public void dispose() {

    }

    /**
     * Notification this participant's page has been activated.
     */
    public void activated() {

    }

    /**
     * Notification this participant's page has been deactivated.
     */
    public void deactivated() {
        if (_reloadWebapps != null) {
            _reloadWebapps.setEnabled(false);
        }
    }

    /**
     * @return null.
     */
    public Object getAdapter(Class adapter) {
        return null;
    }

}