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/*
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.mso.bpmn.mock;
import java.io.IOException;
import java.io.InputStream;
import org.openecomp.mso.logger.MsoLogger;
/**
* File utility class.<br/>
* <p>
* </p>
*
* @author
* @version ONAP Sep 15, 2017
*/
public class FileUtil {
private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
/**
* Read the specified resource file and return the contents as a String.
*
* @param fileName Name of the resource file
* @return the contents of the resource file as a String
* @throws IOException if there is a problem reading the file
*/
public static String readResourceFile(String fileName) {
InputStream stream;
try {
stream = getResourceAsStream(fileName);
byte[] bytes;
bytes = new byte[stream.available()];
stream.read(bytes);
stream.close();
return new String(bytes);
} catch (IOException e) {
LOGGER.debug("Exception:", e);
return "";
}
}
/**
* Get an InputStream for the resource specified.
*
* @param resourceName Name of resource for which to get InputStream.
* @return an InputStream for the resource specified.
* @throws IOException If we can't get the InputStream for whatever reason.
*/
private static InputStream getResourceAsStream(String resourceName) throws IOException {
InputStream stream =
FileUtil.class.getClassLoader().getResourceAsStream(resourceName);
if (stream == null) {
throw new IOException("Can't access resource '" + resourceName + "'");
}
return stream;
}
}
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