gov.redhawk.eclipsecorba.library.internal.ResetLibraryFileHandler.java Source code

Introduction

Here is the source code for gov.redhawk.eclipsecorba.library.internal.ResetLibraryFileHandler.java

Source

/*******************************************************************************
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 *
 * This file is part of REDHAWK IDE.
 *
 * 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
 *******************************************************************************/
package gov.redhawk.eclipsecorba.library.internal;

import gov.redhawk.ide.util.ResourceUtils;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.resources.WorkspaceJob;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;

/**
 * 
 */
public class ResetLibraryFileHandler extends AbstractHandler implements IHandler {

    /**
     * {@inheritDoc}
     */
    @Override
    public Object execute(final ExecutionEvent event) throws ExecutionException {
        final ISelection selection = HandlerUtil.getActiveMenuSelection(event);
        if (selection instanceof IStructuredSelection) {
            final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            for (final Object obj : structuredSelection.toList()) {
                final IProject project = getAdapter(IProject.class, obj);
                if (project != null) {
                    final IFile libraryFile = project.getFile(".library");
                    final WorkspaceJob job = new WorkspaceJob("Reset IDL File " + libraryFile) {

                        @Override
                        public IStatus runInWorkspace(final IProgressMonitor monitor) throws CoreException {
                            ResourceUtils.createIdlLibraryResource(libraryFile, monitor);
                            return Status.OK_STATUS;
                        }
                    };
                    if (libraryFile.exists()) {
                        job.setRule(ResourcesPlugin.getWorkspace().getRuleFactory().modifyRule(libraryFile));
                    } else {
                        job.setRule(ResourcesPlugin.getWorkspace().getRuleFactory().createRule(libraryFile));
                    }
                    job.setSystem(true);
                    job.schedule();
                }
            }
        }
        return null;
    }

    @SuppressWarnings("unchecked")
    private <T> T getAdapter(final Class<T> type, final Object obj) {
        if (type.isInstance(obj)) {
            return (T) obj;
        }
        if (obj instanceof IAdaptable) {
            return (T) ((IAdaptable) obj).getAdapter(type);
        }
        return (T) Platform.getAdapterManager().getAdapter(obj, type);
    }
}