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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.sdc.be.test.util;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.nio.file.Path;
import static org.junit.Assert.fail;
/**
* Util class for handling test resources.
*/
public class TestResourcesHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(TestResourcesHandler.class);
private TestResourcesHandler() {
}
/**
* Gets the input stream of a resource file
*
* @param resourcePath The resource file path
* @return
* The resource input stream
*/
public static InputStream getResourceAsStream(final String resourcePath) {
return Thread.currentThread().getContextClassLoader().getResourceAsStream(resourcePath);
}
public static InputStream getResourceAsStream(final Path resourcePath) {
return getResourceAsStream(resourcePath.toString());
}
/**
* 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[] getResourceAsByteArray(final String resourcePath) throws IOException {
try(final InputStream inputStream = 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 getResourceAsByteArray(resourcePath);
} catch (final IOException e) {
final String errorMsg = String.format("Could not load resource '%s'", resourcePath);
LOGGER.error(errorMsg, e);
fail(errorMsg);
}
return null;
}
public static byte[] getResourceBytesOrFail(final Path resourcePath) {
return getResourceBytesOrFail(resourcePath.toString());
}
}
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