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/*
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/*
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 *   Copyright 2014 Brian Rosenberger (Brutex Network)
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 *   Copyright 2014 Brian Rosenberger (Brutex Network)
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 *
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 *
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 *   Licensed under the Apache License, Version 2.0 (the "License");
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 *   Licensed under the Apache License, Version 2.0 (the "License");
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 *   you may not use this file except in compliance with the License.
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 *   you may not use this file except in compliance with the License.
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 *   You may obtain a copy of the License at
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 *   You may obtain a copy of the License at
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 *
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 *
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 *       http://www.apache.org/licenses/LICENSE-2.0
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 *       http://www.apache.org/licenses/LICENSE-2.0
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 *
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 *
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 *   Unless required by applicable law or agreed to in writing, software
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 *   Unless required by applicable law or agreed to in writing, software
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 *   distributed under the License is distributed on an "AS IS" BASIS,
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 *   distributed under the License is distributed on an "AS IS" BASIS,
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 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 *   See the License for the specific language governing permissions and
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 *   See the License for the specific language governing permissions and
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 *   limitations under the License.
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 *   limitations under the License.
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 */
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 */
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package net.brutex.emitter.util;
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package net.brutex.emitter.util;
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import java.io.File;
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import java.io.File;
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import org.apache.log4j.Logger;
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import org.apache.log4j.Logger;
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/**
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/**
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 * The Class EmitterUtil.
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 * The Class EmitterUtil.
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 *
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 *
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 * @author Brian Rosenberger, bru(at)brutex.de
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 * @author Brian Rosenberger, bru(at)brutex.de
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 */
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 */
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public final class EmitterUtil {
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public final class EmitterUtil {
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	private static Logger logger = Logger.getLogger(EmitterUtil.class);
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	private static Logger logger = Logger.getLogger(EmitterUtil.class);
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	/**
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	/**
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	 * Check if the file exists and is readable.
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	 * Check if the file exists and is readable.
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	 *
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	 *
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	 * @param file The file to check
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	 * @param file The file to check
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	 * @param isWritable also check if file is writable
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	 * @param isWritable also check if file is writable
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	 * @param isExecutable also check if file is executable
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	 * @param isExecutable also check if file is executable
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	 * @return
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	 * @return
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	 */
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	 */
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	public static boolean verifyFile(String file, boolean isWritable, boolean isExecutable) {
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	public static boolean verifyFile(String file, boolean isWritable, boolean isExecutable) {
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		logger.debug(String.format("Verifying file '%s'.", file));
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		logger.debug(String.format("Verifying file '%s'.", file));
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		File f = new File(file);
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		File f = new File(file);
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		String fn = f.getAbsolutePath();
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		String fn = f.getAbsolutePath();
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		if(f.exists() && f.isFile()) {
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		if(f.exists() && f.isFile()) {
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			if(isWritable && !f.canWrite()) {
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			if(isWritable && !f.canWrite()) {
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				logger.error(String.format("Cannot write to file '%s'.", fn));
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				logger.error(String.format("Cannot write to file '%s'.", fn));
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				return false;
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				return false;
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			}
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			}
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			if(isExecutable && !f.canExecute()) {
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			if(isExecutable && !f.canExecute()) {
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				logger.error(String.format("Cannot execute file '%s'.", fn));
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				logger.error(String.format("Cannot execute file '%s'.", fn));
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				return false;
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				return false;
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			}
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			}
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		return true;
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		return true;
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		}
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		}
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		logger.error(String.format("Cannot read file '%s'.", fn));
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		logger.error(String.format("Cannot read file '%s'.", fn));
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		return false;
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		return false;
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	}
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	}
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}
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}