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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. 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.clamp.clds.util;
import java.io.IOException;
import java.io.InputStream;
import java.util.Scanner;
/**
* Utility methods supporting resources accesses.
*/
public final class ResourceFileUtil {
/**
* Private constructor to avoid creating instances of util class.
*/
private ResourceFileUtil() {
}
/**
* Return resource as a Stream.
*
* @return resource - resource as stream
*/
public static InputStream getResourceAsStream(String name) {
InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(name);
if (is == null) {
throw new IllegalArgumentException("Unable to find resource: " + name);
}
return is;
}
/**
* Return resource as a String.
*/
public static String getResourceAsString(String name) throws IOException {
try (InputStream is = getResourceAsStream(name)) {
try (Scanner scanner = new Scanner(is)) {
Scanner delimitedScanner = scanner.useDelimiter("\\A");
return delimitedScanner.hasNext() ? delimitedScanner.next() : "";
}
}
}
}
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