AntlrEditorAdapterFactory.java

/*******************************************************************************
 * Copyright (c) 2007, 2008 Edgar Espina.
 * 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
 *
 
 *******************************************************************************/

package org.deved.antlride.internal.debug.ui.breakpoints;

import org.deved.antlride.core.AntlrConstants;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.debug.ui.actions.IToggleBreakpointsTarget;
import org.eclipse.ui.texteditor.ITextEditor;

public class AntlrEditorAdapterFactory implements IAdapterFactory {

	@SuppressWarnings("unchecked")
	public Object getAdapter(Object adaptableObject, Class adapterType) {
		if (adaptableObject instanceof ITextEditor) {
			ITextEditor editorPart = (ITextEditor) adaptableObject;
			IResource resource = (IResource) editorPart.getEditorInput().getAdapter(IResource.class);
			if (resource != null) {
				String extension = resource.getFileExtension();
				if (extension != null && extension.equals(AntlrConstants.ANTLR_GRAMMAR_FILE_EXTENSION)) {
				    if (adapterType.equals(IToggleBreakpointsTarget.class)) {
				        return new AntlrBreakpointAdapter();
				    }
				}
			}			
		}
		return null;
	}

	@SuppressWarnings("unchecked")
	public Class[] getAdapterList() {
		return new Class[]{IToggleBreakpointsTarget.class};
	}

}