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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* 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.openecomp.sdc.common.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import org.nustaq.serialization.FSTConfiguration;
import org.openecomp.sdc.be.config.BeEcompErrorManager;
import org.openecomp.sdc.be.config.BeEcompErrorManager.ErrorSeverity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fj.data.Either;
public class SerializationUtils {
private static Logger log = LoggerFactory.getLogger(SerializationUtils.class.getName());
private static FSTConfiguration conf = FSTConfiguration.createDefaultConfiguration();
public static Either<byte[], Boolean> serialize(Object object) {
try (ByteArrayOutputStream bos = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(bos)) {
out.writeObject(object);
return Either.left(bos.toByteArray());
} catch (Exception e) {
log.debug("Failed to serialize object", e);
return Either.right(false);
}
}
public static Either<Object, Boolean> deserialize(byte[] bytes) {
try (ByteArrayInputStream bis = new ByteArrayInputStream(bytes); ObjectInput in = new ObjectInputStream(bis)) {
return Either.left(in.readObject());
} catch (Exception e) {
log.debug("Failed to deserialize object", e);
return Either.right(false);
}
}
public static Either<byte[], Boolean> serializeExt(Object object) {
try {
byte[] value = conf.asByteArray(object);
return Either.left(value);
} catch (Exception e) {
return Either.right(false);
}
}
public static <T> Either<T, Boolean> deserializeExt(byte[] bytes, Class<T> clazz, String componentName) {
try {
Object object = conf.asObject(bytes);
T castObject = clazz.cast(object);
return Either.left(castObject);
} catch (Exception e) {
log.debug("Failed to deserialize object of type " + clazz + " and uid " + componentName, e);
BeEcompErrorManager.getInstance().logInternalUnexpectedError("DeserializeObjectFromCache",
"Failed to deserialize object of type " + clazz, ErrorSeverity.WARNING);
return Either.right(false);
}
}
}
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