com.alibaba.dubbo.common.serialize.support.kryo.CompatibleKryo Maven / Gradle / Ivy

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/**
 * Copyright 1999-2014 dangdang.com.
 *
 * 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.
 */
package com.alibaba.dubbo.common.serialize.support.kryo;

import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.Serializer;
import com.esotericsoftware.kryo.serializers.JavaSerializer;

import lombok.extern.slf4j.Slf4j;

/**
 * @author lishen
 */
@Slf4j
public class CompatibleKryo extends Kryo {

    @Override
    public Serializer getDefaultSerializer(Class type) {
        if (type == null) {
            throw new IllegalArgumentException("type cannot be null.");
        }

        if (!type.isArray() && !ReflectionUtils.checkZeroArgConstructor(type)) {
            if (log.isWarnEnabled()) {
                log.warn(type + " has no zero-arg constructor and this will affect the serialization performance");
            }
            return new JavaSerializer();
        }
        return super.getDefaultSerializer(type);
    }
}