com.ebmwebsourcing.petals.services.sa.commands.SaFastExportCommandHandler.java Source code

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Here is the source code for com.ebmwebsourcing.petals.services.sa.commands.SaFastExportCommandHandler.java

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/******************************************************************************
 * Copyright (c) 2010-2013, Linagora
 *
 * 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:
 *       Linagora - initial API and implementation
 *******************************************************************************/

package com.ebmwebsourcing.petals.services.sa.commands;

import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.progress.IProgressService;

import com.ebmwebsourcing.petals.common.internal.provisional.utils.ResourceUtils;
import com.ebmwebsourcing.petals.common.internal.provisional.utils.StatusUtils;
import com.ebmwebsourcing.petals.services.PetalsServicesPlugin;
import com.ebmwebsourcing.petals.services.utils.ExportUtils;
import com.ebmwebsourcing.petals.services.utils.ServiceProjectRelationUtils;

/**
 * The "Fast Export" command handler.
 * @author Vincent Zurczak - EBM WebSourcing
 */
public class SaFastExportCommandHandler extends AbstractHandler {

    private final List<IProject> saProjects = new ArrayList<IProject>();

    /*
     * (non-Javadoc)
     * @see org.eclipse.core.commands.AbstractHandler
     * #execute(org.eclipse.core.commands.ExecutionEvent)
     */
    @Override
    public Object execute(final ExecutionEvent event) throws ExecutionException {

        // Define the objects processing
        final List<IStatus> errors = new ArrayList<IStatus>();
        final List<IResource> resourcesToSelect = new ArrayList<IResource>();

        IRunnableWithProgress op = new IRunnableWithProgress() {
            @Override
            public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {

                monitor.beginTask("Service Assembly export in progress...", IProgressMonitor.UNKNOWN);
                try {
                    for (IProject p : SaFastExportCommandHandler.this.saProjects) {
                        monitor.subTask(p.getName());
                        String outputDirectoryLocation = p.getLocation().toString();
                        IStatus s = ExportUtils.exportSaProject(outputDirectoryLocation, p, monitor);
                        if (!s.isOK())
                            errors.add(s);

                        monitor.worked(5);
                        resourcesToSelect.add(p.getFile(p.getName() + ".zip"));
                    }

                } finally {
                    monitor.done();
                }
            }
        };

        // Start processing
        IWorkbench wb = PlatformUI.getWorkbench();
        IProgressService ps = wb.getProgressService();
        try {
            ps.runInUI(ps, op, null);

        } catch (InvocationTargetException e) {
            IStatus status = StatusUtils.createStatus(e, "");
            errors.add(status);

        } catch (InterruptedException e) {
            // nothing
        }

        // Select the resulting files
        for (IResource res : resourcesToSelect) {
            try {
                res.getProject().refreshLocal(IResource.DEPTH_INFINITE, null);

            } catch (CoreException e) {
                PetalsServicesPlugin.log(e, IStatus.ERROR);
            }
        }

        IResource[] resources = new IResource[resourcesToSelect.size()];
        ResourceUtils.selectResourceInPetalsExplorer(true, resourcesToSelect.toArray(resources));

        // Errors to display
        if (!errors.isEmpty()) {

            IStatus[] children = new IStatus[errors.size()];
            MultiStatus status = new MultiStatus(PetalsServicesPlugin.PLUGIN_ID, 0, errors.toArray(children),
                    (errors.size() > 1 ? "Errors" : "An error") + " occured during the export.", null);

            PetalsServicesPlugin.getDefault().getLog().log(status);
            ErrorDialog dlg = new ErrorDialog(new Shell(), "Export Errors", status.getMessage(), status,
                    IStatus.ERROR);
            dlg.open();
        }

        return null;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.core.commands.AbstractHandler
     * #setEnabled(java.lang.Object)
     */
    @Override
    public void setEnabled(Object evaluationContext) {

        // Check the selection
        this.saProjects.clear();
        ISelection s = null;
        try {
            s = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getSelection();
        } catch (Exception e1) {
            // nothing
        }

        if (s instanceof IStructuredSelection) {
            for (Iterator<?> it = ((IStructuredSelection) s).iterator(); it.hasNext();) {
                Object element = it.next();
                IProject p;
                if (element instanceof IProject && (p = (IProject) element).isAccessible()
                        && ServiceProjectRelationUtils.isSaProject(p))
                    this.saProjects.add(p);
            }
        }

        super.setBaseEnabled(!this.saProjects.isEmpty());
    }
}