org.kie.kogito.workflows.services.JavaSerializationUtils Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package org.kie.kogito.workflows.services;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;

import com.fasterxml.jackson.databind.ObjectMapper;

class JavaSerializationUtils {

    static  T fromBytes(byte[] bytes, Class targetClass, ObjectMapper objectMapper) throws IOException {
        try (ObjectInputStream is = new ObjectInputStream(new ByteArrayInputStream(bytes))) {
            Object value = is.readObject();
            if (targetClass.isInstance(value)) {
                return targetClass.cast(value);
            } else {
                return objectMapper.convertValue(value, targetClass);
            }
        } catch (ClassNotFoundException e) {
            throw new IOException(e);
        }
    }

    private JavaSerializationUtils() {
    }
}