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/*

 *   Copyright 2014 Brian Rosenberger (Brutex Network)

 *

 *   Licensed under the Apache License, Version 2.0 (the "License");

 *   you may not use this file except in compliance with the License.

 *   You may obtain a copy of the License at

 *

 *       http://www.apache.org/licenses/LICENSE-2.0

 *

 *   Unless required by applicable law or agreed to in writing, software

 *   distributed under the License is distributed on an "AS IS" BASIS,

 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *   See the License for the specific language governing permissions and

 *   limitations under the License.

 */

package net.brutex.emitter.util;

import java.io.File;

import org.apache.log4j.Logger;

/**

 * The Class EmitterUtil.

 *

 * @author Brian Rosenberger, bru(at)brutex.de

 */

public final class EmitterUtil {

	private static Logger logger = Logger.getLogger(EmitterUtil.class);

	/**

	 * Check if the file exists and is readable.

	 *

	 * @param file The file to check

	 * @param isWritable also check if file is writable

	 * @param isExecutable also check if file is executable

	 * @return

	 */

	public static boolean verifyFile(String file, boolean isWritable, boolean isExecutable) {

		logger.debug(String.format("Verifying file '%s'.", file));

		File f = new File(file);

		String fn = f.getAbsolutePath();

		if(f.exists() && f.isFile()) {

			if(isWritable && !f.canWrite()) {

				logger.error(String.format("Cannot write to file '%s'.", fn));

				return false;

			}

			if(isExecutable && !f.canExecute()) {

				logger.error(String.format("Cannot execute file '%s'.", fn));

				return false;

			}

		return true;

		}

		logger.error(String.format("Cannot read file '%s'.", fn));

		return false;

	}

}