core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/CCProjectNature.java

/*******************************************************************************
 * Copyright (c) 2000, 2013 QNX Software Systems 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:
 *     QNX Software Systems - Initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.core;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectNature;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;

/**
 * @noextend This class is not intended to be subclassed by clients.
 * @noinstantiate This class is not intended to be instantiated by clients.
 */
public class CCProjectNature extends CProjectNature {
	public static final String CC_NATURE_ID= CCorePlugin.PLUGIN_ID + ".ccnature"; //$NON-NLS-1$

	public static void addCCNature(IProject project, IProgressMonitor mon) throws CoreException {
		addNature(project, CC_NATURE_ID, mon);
	}

	public static void removeCCNature(IProject project, IProgressMonitor mon) throws CoreException {
		removeNature(project, CC_NATURE_ID, mon);
	}

	/**
	 * Checks to ensure that a cnature already exists,
	 * if not throw a CoreException. Does NOT add a default builder
     * @see IProjectNature#configure()
     */
    @Override
	public void configure() throws CoreException {
    	if (!getProject().hasNature(CProjectNature.C_NATURE_ID)){
    		IStatus status = new Status(IStatus.ERROR,
    									CCorePlugin.PLUGIN_ID,
    									CCorePlugin.CDT_PROJECT_NATURE_ID_MISMATCH,
    									CCorePlugin.getResourceString("CCProjectNature.exception.noNature"), null); // $NON_NLS //$NON-NLS-1$
    		throw new CoreException(status);
    	}
    }
}