Java Is Serializable Object isSerializable(Object object)

Description

is Serializable

License

Apache License

Declaration

private static boolean isSerializable(Object object) 

Method Source Code

//package com.java2s;
/* // w  w w .ja  v a  2 s  .co m
 * 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.    
 */

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.Serializable;

import java.util.Map;

public class Main {
    private static boolean isSerializable(Object object) {
        if (object instanceof Map.Entry)
            return isSerializable(((Map.Entry) object).getKey())
                    && isSerializable(((Map.Entry) object).getValue());
        if (object == null)
            return true;
        if (object instanceof String)
            return true;
        if (object instanceof Number)
            return true;
        if (!(object instanceof Serializable))
            return false;

        return isTrulySerializable(object);
    }

    public static boolean isTrulySerializable(Object object) {
        // Give up and serialize the object
        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(baos);
            oos.writeObject(object);
            oos.close();
            return true;
        } catch (IOException ignored) {
        }
        return false;
    }
}

Related

1. isSerializable(Object o)
2. isSerializable(Object o)
3. isSerializable(Object ob)
4. isSerializable(Object obj)
5. isSerializable(Object obj)
6. isSerializableType(Class type)