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/*-
* ============LICENSE_START=======================================================
* util
* ================================================================================
* 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.policy.controlloop;
import static org.junit.Assert.fail;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import org.apache.commons.io.IOUtils;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.constructor.Constructor;
import org.onap.policy.controlloop.policy.ControlLoopPolicy;
public final class Util {
public static class Pair<A, B> {
public final A a;
public final B b;
public Pair(A a, B b) {
this.a = a;
this.b = b;
}
}
public static Pair<ControlLoopPolicy, String> loadYaml(String testFile) {
try (InputStream is = new FileInputStream(new File(testFile))) {
String contents = IOUtils.toString(is, StandardCharsets.UTF_8);
//
// Read the yaml into our Java Object
//
Yaml yaml = new Yaml(new Constructor(ControlLoopPolicy.class));
Object obj = yaml.load(contents);
return new Pair<ControlLoopPolicy, String>((ControlLoopPolicy) obj, contents);
} catch (FileNotFoundException e) {
fail(e.getLocalizedMessage());
} catch (IOException e) {
fail(e.getLocalizedMessage());
}
return null;
}
}
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