com.remainsoftware.tycho.pombuilder.ui.internal.actions.DisableNatureAction.java Source code

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Here is the source code for com.remainsoftware.tycho.pombuilder.ui.internal.actions.DisableNatureAction.java

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/*******************************************************************************
 * Copyright (c) 2013 Remain Software and others http://remainsoftware.com
 * 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 implementation
 *     Wim Jongman - adapted to pom builder
 ******************************************************************************/
package com.remainsoftware.tycho.pombuilder.ui.internal.actions;

import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;

import com.remainsoftware.tycho.pombuilder.core.Constants;

public class DisableNatureAction implements IObjectActionDelegate {

    private ISelection selection;

    @Override
    public void run(IAction action) {
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            for (Iterator<?> it = structuredSelection.iterator(); it.hasNext();) {
                Object element = it.next();
                IProject project = null;
                if (element instanceof IProject) {
                    project = (IProject) element;
                } else if (element instanceof IAdaptable) {
                    project = (IProject) ((IAdaptable) element).getAdapter(IProject.class);
                }
                if (project != null) {
                    try {
                        disableNature(project);
                    } catch (CoreException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
            }
        }
    }

    private void disableNature(IProject project) throws CoreException {

        IProjectDescription description = project.getDescription();
        List<String> natures = new LinkedList<String>(Arrays.asList(description.getNatureIds()));

        //
        for (Iterator<String> iterator = natures.iterator(); iterator.hasNext();) {
            if (iterator.next().equals(Constants.POM_NATURE)) {
                iterator.remove();
            }
        }

        description.setNatureIds(natures.toArray(new String[0]));
        project.setDescription(description, null);
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action
     * .IAction, org.eclipse.jface.viewers.ISelection)
     */
    @Override
    public void selectionChanged(IAction action, ISelection selection) {
        this.selection = selection;
    }

    @Override
    public void setActivePart(IAction action, IWorkbenchPart targetPart) {

    }
}