eu.geclipse.aws.s3.ui.actions.DeleteBucketAction.java Source code

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Here is the source code for eu.geclipse.aws.s3.ui.actions.DeleteBucketAction.java

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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:
 *    Moritz Post - initial API and implementation
 *****************************************************************************/

package eu.geclipse.aws.s3.ui.actions;

import java.util.ArrayList;
import java.util.List;

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.swt.widgets.Display;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.jets3t.service.S3Service;
import org.jets3t.service.S3ServiceException;

import eu.geclipse.aws.s3.IS3Categories;
import eu.geclipse.aws.s3.S3BucketStorage;
import eu.geclipse.aws.s3.internal.S3ServiceRegistry;
import eu.geclipse.core.model.IVirtualOrganization;
import eu.geclipse.core.model.impl.GridResourceCategoryFactory;
import eu.geclipse.ui.dialogs.ProblemDialog;

/**
 * This action deletes a selected bucket.
 * 
 * @author Moritz Post
 */
public class DeleteBucketAction extends AbstractAWSProjectAction {

    /** The list of selected {@link S3BucketStorage}. */
    private List<S3BucketStorage> bucketList;

    /**
     * Default constructor.
     */
    public DeleteBucketAction() {
        this.bucketList = new ArrayList<S3BucketStorage>();
    }

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

            Job job = new Job(Messages.getString(Messages.getString("DeleteBucketAction.jobDeleteBucket_title"))) { //$NON-NLS-1$

                @Override
                protected IStatus run(final IProgressMonitor monitor) {
                    try {
                        monitor.beginTask(Messages.getString("DeleteBucketAction.taskTitleDeleteBucket_text"), //$NON-NLS-1$
                                IProgressMonitor.UNKNOWN);

                        S3ServiceRegistry s3ServiceRegistry = S3ServiceRegistry.getRegistry();

                        S3Service service;
                        service = s3ServiceRegistry.getService(getAwsVo().getProperties().getAwsAccessId());

                        IVirtualOrganization projectVo = null;

                        if (service != null) {
                            for (S3BucketStorage bucket : DeleteBucketAction.this.bucketList) {
                                service.deleteBucket(bucket.getS3Bucket());
                                projectVo = (IVirtualOrganization) bucket.getParent();
                            }
                        }
                        if (projectVo != null) {
                            projectVo.refreshResources(
                                    GridResourceCategoryFactory.getCategory(IS3Categories.CATEGORY_S3_STORAGE),
                                    monitor);
                        }

                    } catch (final Exception ex) {
                        Display.getDefault().asyncExec(new Runnable() {

                            public void run() {
                                IWorkbenchWindow workbenchWindow = PlatformUI.getWorkbench()
                                        .getActiveWorkbenchWindow();

                                String message = null;
                                Exception exToDisplay = null;
                                if (ex instanceof S3ServiceException) {
                                    S3ServiceException s3ServiceEx = (S3ServiceException) ex;
                                    message = s3ServiceEx.getS3ErrorMessage();
                                } else {
                                    Messages.getString("DeleteBucketAction.errorCreateBucket_description"); //$NON-NLS-1$
                                    exToDisplay = ex;
                                }
                                ProblemDialog.openProblem(workbenchWindow.getShell(),
                                        Messages.getString("DeleteBucketAction.errorCreateBucket_title"), //$NON-NLS-1$
                                        message, exToDisplay);
                            }

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

    public void selectionChanged(final IAction action, final ISelection selection) {
        extractAWSVoFromCategory(selection);

        boolean enable = false;
        this.bucketList.clear();

        if (selection instanceof IStructuredSelection) {
            IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            for (Object element : structuredSelection.toList()) {
                if (element instanceof S3BucketStorage) {
                    S3BucketStorage bucket = (S3BucketStorage) element;
                    this.bucketList.add(bucket);
                }
            }
        }
        if (this.bucketList.size() > 0) {
            enable = true;
        }
        action.setEnabled(enable);
    }

}