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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 Amdocs
* ================================================================================
* 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.aai.spike.test.util;
import static org.junit.Assert.fail;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
public class TestFileReader {
public static String getFileAsString(String resourceFilename) throws IOException, URISyntaxException {
return getContentUtf8(getPath(resourceFilename));
}
/**
* This helper method reads the contents of a file into a simple string.
*
* @param file - The file to be imported.
* @return - The file contents expressed as a simple string.
* @throws IOException if there is a problem reading the file
*/
public static String readFileToString(File file) throws IOException {
BufferedReader br = new BufferedReader(new FileReader(file));
try {
StringBuilder sb = new StringBuilder();
String line = br.readLine();
while (line != null) {
sb.append(line);
line = br.readLine();
}
return sb.toString().replaceAll("\\s+", "");
} finally {
try {
br.close();
} catch (IOException e) {
fail("Unexpected IOException: " + e.getMessage());
}
}
}
private static Path getPath(String resourceFilename) throws URISyntaxException {
URL resource = ClassLoader.getSystemResource(resourceFilename);
if (resource != null) {
return Paths.get(resource.toURI());
}
// If the resource is not found relative to the classpath, try to get it from the file system
// directly.
File file = new File(resourceFilename);
if (!file.exists()) {
throw new RuntimeException("Resource does not exist: " + resourceFilename);
}
return file.toPath();
}
private static String getContentUtf8(Path filePath) throws IOException {
return new String(Files.readAllBytes(filePath));
}
}
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