BundleMakerProjectNature.java

/*******************************************************************************
 * Copyright (c) 2011 Gerd Wuetherich (gerd@gerd-wuetherich.de).
 * 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:
 *     Gerd Wuetherich (gerd@gerd-wuetherich.de) - initial API and implementation
 ******************************************************************************/
package org.bundlemaker.core.internal;

import org.bundlemaker.core.common.Constants;
import org.bundlemaker.core.project.internal.BundleMakerProjectDescription;
import org.bundlemaker.core.project.internal.ProjectDescriptionStore;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectNature;
import org.eclipse.core.runtime.CoreException;

/**
 * <p>
 * Implementation of the bundle maker project nature.
 * </p>
 * 
 * @author Gerd Wütherich (gerd@gerd-wuetherich.de)
 */
public class BundleMakerProjectNature implements IProjectNature {

  /** the associated bundle maker project */
  private IProject _project;

  /**
   * {@inheritDoc}
   */
  public IProject getProject() {
    return _project;
  }

  /**
   * {@inheritDoc}
   */
  public void setProject(IProject value) {
    _project = value;
  }

  /**
   * {@inheritDoc}
   */
  public void configure() throws CoreException {
    createFolder(_project.getFolder(Constants.BUNDLEMAKER_DIRECTORY_NAME));
    addConfigurationFile();
  }

  /**
   * {@inheritDoc}
   */
  public void deconfigure() throws CoreException {
    IFolder folder = _project.getFolder(Constants.BUNDLEMAKER_DIRECTORY_NAME);
    folder.delete(true, null);
  }

  /**
   * <p>
   * </p>
   * 
   * @param folder
   * @throws CoreException
   */
  private static void createFolder(IFolder folder) throws CoreException {

    IContainer parent = folder.getParent();

    if (parent instanceof IFolder) {
      createFolder((IFolder) parent);
    }

    if (!folder.exists()) {
      folder.create(false, true, null);
    }
  }

  /**
   * <p>
   * </p>
   * 
   * @throws CoreException
   */
  private void addConfigurationFile() throws CoreException {
    ProjectDescriptionStore.saveProjectDescription(_project, new BundleMakerProjectDescription(null));
  }
}