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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.openecomp.core.util;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.io.IOUtils;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
/**
* Test resources utility class.
*/
public class TestResourcesUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(TestResourcesUtil.class);
private TestResourcesUtil() {
}
/**
* Reads a file and coverts it to a byte array.
*
* @param resourcePath The resource file path
* @return
* The resource file byte array
* @throws IOException
* When the file was not found or the input stream could not be opened
*/
public static byte[] getFileResource(final String resourcePath) throws IOException {
try(final InputStream inputStream = ClassLoader.class.getResourceAsStream(resourcePath)) {
if (inputStream == null) {
throw new IOException(String.format("Could not find the resource on path \"%s\"", resourcePath));
}
return IOUtils.toByteArray(inputStream);
} catch (final IOException ex) {
throw new IOException(String.format("Could not open the input stream for resource on path \"%s\"", resourcePath), ex);
}
}
/**
* Reads a file in the given path.
* The method forces an assertion fail if the resource could not be loaded.
* @param resourcePath The resource file path
* @return
* The resource file byte array
*/
public static byte[] getResourceBytesOrFail(final String resourcePath) {
try {
return getFileResource(resourcePath);
} catch (final IOException e) {
final String errorMsg = String.format("Could not load resource '%s'", resourcePath);
LOGGER.error(errorMsg, e);
fail(errorMsg);
}
return null;
}
}
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