jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/utility/PlatformUtilities.java

/*******************************************************************************
 *  Copyright (c) 2008  Oracle. 
 *  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: 
 *  	Oracle - initial API and implementation
 *******************************************************************************/
package org.eclipse.jpt.core.utility;

import java.io.IOException;
import java.io.InputStream;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.jpt.core.JptCorePlugin;

/**
 * A collection of utilities for dealing with eclipse platform API 
 */
public class PlatformUtilities
{
	/**
	 * Retrieves the content type for the IFile referenced.
	 * (Makes sure to close the input stream)
	 */
	public static IContentType contentType(IFile file) {
		InputStream inputStream = null;
		try {
			inputStream = file.getContents();
			return Platform.getContentTypeManager().findContentTypeFor(inputStream, file.getName());
		}
		catch (IOException ex) {
			JptCorePlugin.log(ex);
		}
		catch (CoreException ex) {
			JptCorePlugin.log(ex);
		}
		finally {
			try {
				if (inputStream != null) {
					inputStream.close();
				}
			} catch (IOException ex) {
				JptCorePlugin.log(ex);
			}
		}
		return null;
	}
}