net.sf.groovyMonkey.actions.CreateGroovyMonkeyExamplesAction.java Source code

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Here is the source code for net.sf.groovyMonkey.actions.CreateGroovyMonkeyExamplesAction.java

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/*******************************************************************************
 * Copyright (c) 2005, 2006 Eclipse Foundation
 * 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:
 *     Bjorn Freeman-Benson - initial implementation
 *     Ward Cunningham - initial implementation
 *******************************************************************************/
package net.sf.groovyMonkey.actions;

import static net.sf.groovyMonkey.GroovyMonkeyPlugin.FILE_EXTENSION_WILDCARD;
import static net.sf.groovyMonkey.GroovyMonkeyPlugin.MONKEY_DIR;
import static net.sf.groovyMonkey.GroovyMonkeyPlugin.SCRIPTS_PROJECT;
import static net.sf.groovyMonkey.GroovyMonkeyPlugin.getDefault;
import static org.apache.commons.io.IOUtils.closeQuietly;
import static org.eclipse.core.resources.ResourcesPlugin.getWorkspace;
import static org.eclipse.jface.dialogs.MessageDialog.openInformation;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.osgi.framework.Bundle;

public class CreateGroovyMonkeyExamplesAction implements IWorkbenchWindowActionDelegate {
    private IWorkbenchWindow window;

    public CreateGroovyMonkeyExamplesAction() {
    }

    public void run(final IAction action) {
        final IWorkspace workspace = getWorkspace();
        final IProject project = workspace.getRoot().getProject(SCRIPTS_PROJECT);
        try {
            final List<URL> examples = getExampleScripts(getDefault().getBundle());
            if (!project.exists())
                project.create(null);
            project.open(null);

            String errors = "";
            for (final URL example : examples) {
                try {
                    final String filePath = example.getFile();
                    final String[] words = filePath.split("/");
                    final String fileName = words[words.length - 1];
                    final IFolder folder = project.getFolder("/" + MONKEY_DIR);
                    if (!folder.exists())
                        folder.create(IResource.NONE, true, null);
                    final InputStream input = example.openStream();
                    try {
                        final IFile file = folder.getFile(fileName);
                        final String contents = StringUtils.replace(IOUtils.toString(input), "\r\n", "\n");
                        file.create(new ByteArrayInputStream(contents.getBytes()), false, null);
                    } finally {
                        closeQuietly(input);
                    }
                } catch (final CoreException x) {
                    errors += x.toString() + "\n";
                } catch (final IOException x) {
                    errors += x.toString() + "\n";
                }
            }
            if (errors.length() > 0)
                openInformation(window.getShell(), "Groovy Monkey",
                        "Errors creating the Examples project: " + errors);
        } catch (final CoreException x) {
            openInformation(window.getShell(), "Groovy Monkey",
                    "Unable to create the Examples project due to " + x);
        }
    }

    public List<URL> getExampleScripts(final Bundle bundle) {
        final List<URL> list = new ArrayList<URL>();
        findEntries(bundle, list, "/samples", FILE_EXTENSION_WILDCARD);
        findEntries(bundle, list, "/" + MONKEY_DIR, FILE_EXTENSION_WILDCARD);
        return list;
    }

    @SuppressWarnings("unchecked")
    private void findEntries(final Bundle bundle, final List<URL> list, final String directory,
            final String namePattern) {
        final Enumeration<URL> enumeration = bundle.findEntries(directory, namePattern, true);
        if (enumeration == null)
            return;
        while (enumeration.hasMoreElements())
            list.add(enumeration.nextElement());
    }

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

    public void dispose() {
    }

    public void init(final IWorkbenchWindow window) {
        this.window = window;
    }
}