jp.xet.baseunits.tests.SerializationTester.java Source code

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Here is the source code for jp.xet.baseunits.tests.SerializationTester.java

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/*
 * Copyright 2011-2012 Daisuke Miyamoto. (http://d.hatena.ne.jp/daisuke-m)
 * Copyright 2010-2011 TRICREO, Inc. (http://tricreo.jp/)
 *
 * 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.
 * ----
 * Copyright (c) 2004 Domain Language, Inc. (http://domainlanguage.com) This
 * free software is distributed under the "MIT" licence.
 * For more information, see http://timeandmoney.sourceforge.net.
 */
package jp.xet.baseunits.tests;

import static org.junit.Assert.fail;

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

import org.apache.commons.io.IOUtils;

/**
 * ???
 */
public class SerializationTester {

    /**
     * ????????
     * 
     * @param serializable 
     * @throws AssertionError ????
     */
    public static void assertCanBeSerialized(Object serializable) {
        if (Serializable.class.isInstance(serializable) == false) {
            fail("Object doesn't implement java.io.Serializable interface: " + serializable.getClass());
        }

        ObjectOutputStream out = null;
        ObjectInputStream in = null;
        ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
        ByteArrayInputStream byteArrayIn = null;
        try {
            out = new ObjectOutputStream(byteArrayOut);
            out.writeObject(serializable);

            byteArrayIn = new ByteArrayInputStream(byteArrayOut.toByteArray());
            in = new ObjectInputStream(byteArrayIn);
            Object deserialized = in.readObject();
            if (serializable.equals(deserialized) == false) {
                fail("Reconstituted object is expected to be equal to serialized");
            }
        } catch (IOException e) {
            fail(e.getMessage());
        } catch (ClassNotFoundException e) {
            fail(e.getMessage());
        } finally {
            IOUtils.closeQuietly(out);
            IOUtils.closeQuietly(in);
        }
    }

}