eu.geclipse.aws.ec2.ui.actions.CreateConnectionInstance.java Source code

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/**
* Copyright (c) 2008 g-Eclipse Consortium 
* 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
*
* Initial development of the original code was made for the
* g-Eclipse project founded by European Union
* project number: FP6-IST-034327  http://www.geclipse.eu/
*
* Contributors:
*    Harald Kornmayer - initial API and implementation
*****************************************************************************/

package eu.geclipse.aws.ec2.ui.actions;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;

import eu.geclipse.aws.ec2.EC2Instance;
import eu.geclipse.aws.ec2.ui.internal.Activator;
import eu.geclipse.core.model.IGridProject;
import eu.geclipse.ui.actions.MountAction;

/**
* This {@link IObjectActionDelegate} is used to start a {@link Job} which is
* rebooting an instance.
* 
* @author Harald Kornmayer
*/
public class CreateConnectionInstance extends AbstractAWSProjectAction {

    /** The list of AMIs which are selected. */
    private ArrayList<EC2Instance> instanceList;

    /**
     * Instantiate and initialize the reboot object.
     */
    public CreateConnectionInstance() {
        this.instanceList = new ArrayList<EC2Instance>();
    }

    @Override
    public void run(final IAction action) {
        if (action.isEnabled()) {

            Job job = new Job("Mount a Grid connection to the instance") { //$NON-NLS-1$

                @Override
                protected IStatus run(final IProgressMonitor monitor) {
                    try {
                        if (CreateConnectionInstance.this.instanceList.size() == 0) {
                            return Status.CANCEL_STATUS;
                        }

                        for (EC2Instance instance : CreateConnectionInstance.this.instanceList) {

                            // extract the hostname from the instance

                            String hostname = instance.getHostName();

                            // for the Connection in the Workspace a IPath is needed              
                            // 
                            IGridProject project = instance.getProject();

                            IPath path = instance.getProject().getPath().append("Connections").append(hostname);

                            try {
                                URI uri = new URI("sftp", "root", hostname, 22, "/", null, null);

                                MountAction.createLocalMount(uri, path, monitor);
                                System.out.println("URI: " + uri);

                            } catch (URISyntaxException e) {
                                Activator.log(e);
                            } catch (CoreException e) {
                                Activator.log(e);
                            }

                        }
                        return Status.OK_STATUS;

                    } finally {
                        monitor.done();
                    }
                }
            };
            job.setPriority(Job.SHORT);
            job.setUser(true);
            job.schedule();
        }

    }

    public void selectionChanged(final IAction action, final ISelection selection) {
        boolean enable = false;
        this.instanceList.clear();

        if (selection instanceof IStructuredSelection) {
            IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            for (Object element : structuredSelection.toList()) {
                if (element instanceof EC2Instance) {
                    EC2Instance ec2Instance = (EC2Instance) element;
                    this.instanceList.add(ec2Instance);
                }
            }
        }
        if (this.instanceList.size() > 0) {
            enable = true;
        }
        action.setEnabled(enable);

    }

}