OpenNxSerialization

/*
 * @(#)NxLongSerializationSurrogate.java	1.0
 *
 * Created on September 18, 2008, 12:59 PM
 *
 * Copyright 2008 NeXtreme Innovations, Inc. All rights reserved.
 * "NeXtreme Innovations" PROPRIETARY/CONFIDENTIAL. Use is subject
 * to license terms.
 */

package com.nextreme.opennxserialization.standard.io.surrogates;

import com.nextreme.opennxserialization.core.io.NxObjectInput;
import com.nextreme.opennxserialization.core.io.NxObjectOutput;
import com.nextreme.opennxserialization.core.io.surrogates.NxBuiltinSerializationSurrogate;
import com.nextreme.opennxserialization.core.io.surrogates.NxIOException;
import com.nextreme.opennxserialization.core.io.surrogates.NxInstantiationException;
import com.nextreme.opennxserialization.core.io.surrogates.NxSerializationSurrogate;
import com.nextreme.opennxserialization.core.io.surrogates.NxSerializationSurrogateBase;
import java.io.IOException;

/**
 * NxLongSerializationSurrogate is responsible for writing and reading
 * instances of Long class.
 *
 * @version 1.0, September 18, 2008
 */
public class NxLongSerializationSurrogate
        extends NxSerializationSurrogateBase
        implements NxSerializationSurrogate, NxBuiltinSerializationSurrogate
{


    /** Creates a new instance of NxLongSerializationSurrogate */
    public NxLongSerializationSurrogate() {
        super(Long.class);
    }

    /**
     * Read and return an object. The class that implements this interface
     * defines where the object is "read" from.
     *
     * @param input the stream to read data from in order to restore the object.
     * @return the object read from the stream
     * @exception java.lang.ClassNotFoundException If the class of a serialized
     *      object cannot be found.
     * @exception IOException If any of the usual Input/Output
     * related exceptions occur.
     */
    public Object readObject(NxObjectInput input)
	throws NxInstantiationException, NxIOException
    {
        try {
            return input.readLong();
        } catch (IOException ex) {
            throw new NxIOException(ex);
        }
    }

    /**
     * Write an object to the underlying storage or stream.  The
     * class that implements this interface defines how the object is
     * written.
     *
     * @param output the stream to write the object to.
     * @param graph the object to write .
     * @exception IOException Any of the usual Input/Output related exceptions.
     */
    public void writeObject(NxObjectOutput output, Object graph)
      throws NxIOException
    {
        try {
            output.writeLong((Long)graph);
        } catch (IOException ex) {
            throw new NxIOException(ex);
        }
    }
}