ca.ubc.cs.ferret.tests.support.ResourceHelper.java Source code

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Here is the source code for ca.ubc.cs.ferret.tests.support.ResourceHelper.java

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/* Stolen from Mylar's org.eclipse.mylar.core.tests.support */
/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package ca.ubc.cs.ferret.tests.support;

import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.pde.internal.core.natures.PDE;
import org.eclipse.pde.internal.core.natures.PluginProject;

import ca.ubc.cs.ferret.FerretPlugin;

/**
 * @since 3.0
 */
public class ResourceHelper {

    public final static IProgressMonitor NULL_MONITOR = new NullProgressMonitor();
    public static final int MAX_RETRY = 10;

    public static void deleteProject(String projectName) throws CoreException {
        IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
        IProject project = root.getProject(projectName);
        if (project.exists())
            delete(project);
    }

    public static void delete(final IResource resource) throws CoreException {
        IWorkspaceRunnable runnable = new IWorkspaceRunnable() {
            public void run(IProgressMonitor monitor) throws CoreException {
                for (int i = 0; i < MAX_RETRY; i++) {
                    try {
                        resource.delete(true, null);
                        i = MAX_RETRY;
                    } catch (CoreException e) {
                        if (i == MAX_RETRY - 1) {
                            FerretPlugin.log(e);
                            throw e;
                        }
                        System.gc(); // help windows to really close file locks
                        try {
                            Thread.sleep(1000); // sleep a second
                        } catch (InterruptedException e1) {
                        }
                    }
                }
            }
        };
        ResourcesPlugin.getWorkspace().run(runnable, null);

    }

    public static IProject createProject(String projectName) throws CoreException {

        IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
        IProject project = root.getProject(projectName);
        if (!project.exists())
            project.create(NULL_MONITOR);
        else
            project.refreshLocal(IResource.DEPTH_INFINITE, null);

        if (!project.isOpen())
            project.open(NULL_MONITOR);

        return project;
    }

    public static IJavaProject createPluginProject(IProject project) throws CoreException, JavaModelException {

        if (project == null)
            return null;

        IJavaProject javaProject = JavaCore.create(project);

        // create bin folder
        IFolder binFolder = project.getFolder("bin");
        if (!binFolder.exists())
            binFolder.create(false, true, null);

        // set java nature
        IProjectDescription description = project.getDescription();
        description.setNatureIds(new String[] { PDE.PLUGIN_NATURE, JavaCore.NATURE_ID });
        project.setDescription(description, null);

        // create output folder
        IPath outputLocation = binFolder.getFullPath();
        javaProject.setOutputLocation(outputLocation, null);

        PluginProject pluginProject = new PluginProject();
        pluginProject.setProject(project);
        pluginProject.configure();

        return javaProject;
    }

    //   public static IJavaProject createJavaPluginProjectFromZip(String projectName, String zipFileName) throws CoreException, ZipException, IOException {
    //      IProject project = ResourceHelper.createProject(projectName);
    //      ZipFile zip = new ZipFile(FileTool.getFileInPlugin(FerretTestsPlugin.getDefault(), new Path("testdata/projects/" + zipFileName)));
    //            
    //      FileTool.unzip(zip, project.getLocation().toFile());
    //            
    //      project.refreshLocal(IResource.DEPTH_INFINITE, null);
    //      
    //      IJavaProject javaProject = ResourceHelper.createPluginProject(project);
    //      return javaProject;
    //   }
}