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/*-
* ============LICENSE_START=======================================================
* guard
* ================================================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* ================================================================================
* 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.onap.policy.guard;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
/**
* The Class TextFileUtils is class that provides useful functions for handling text files.
* Functions to read and wrtie text files to strings and strings are provided.
*
* @author Liam Fallon (liam.fallon@ericsson.com)
*/
public abstract class SupportTextFileUtils {
/**
* Method to return the contents of a text file as a string.
*
* @param textFilePath The path to the file as a string
* @return A string containing the contents of the file
* @throws IOException on errors reading text from the file
*/
public static String getTextFileAsString(final String textFilePath) throws IOException {
final File textFile = new File(textFilePath);
final FileInputStream textFileInputStream = new FileInputStream(textFile);
final byte[] textData = new byte[(int) textFile.length()];
textFileInputStream.read(textData);
textFileInputStream.close();
return new String(textData);
}
/**
* Method to write contents of a string to a text file.
*
* @param outString The string to write
* @param textFile The file to write the string to
* @throws IOException on errors reading text from the file
*/
public static void putStringAsFile(final String outString, final File textFile) throws IOException {
final FileOutputStream textFileOutputStream = new FileOutputStream(textFile);
textFileOutputStream.write(outString.getBytes());
textFileOutputStream.close();
}
}
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