org.yestech.lib.hessian.jdk.UUIDSerializer Maven / Gradle / Ivy

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A collection of classes that can be used across yestech artifacts/components, but must not be dependant on any yestech component. Most of the code is utility type code. When more than a few classes are found to be in a package or the package start to handle more that a few reposibilities then a new independant component is created and the existing code in yeslib is ported to the new component.

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/*
 * Copyright LGPL3
 * YES Technology Association
 * http://yestech.org
 *
 * http://www.opensource.org/licenses/lgpl-3.0.html
 */

package org.yestech.lib.hessian.jdk;

import com.caucho.hessian.io.AbstractHessianOutput;
import com.caucho.hessian.io.AbstractSerializer;

import java.io.IOException;
import java.util.UUID;

/**
 * Serializes UUID objects correctly.
 *
 * @author A.J. Wright
 */
public class UUIDSerializer extends AbstractSerializer {

    @Override
    public void writeObject(Object obj, AbstractHessianOutput out) throws IOException {

        if (obj == null) {
            out.writeNull();
        } else {
            Class cl = obj.getClass();

            if (out.addRef(obj))
                return;

            int ref = out.writeObjectBegin(cl.getName());

            UUID bi = (UUID) obj;

            if (ref < -1) {
                out.writeString("value");
                out.writeString(bi.toString());
                out.writeMapEnd();
            } else {
                if (ref == -1) {
                    out.writeInt(1);
                    out.writeString("value");
                    out.writeObjectBegin(cl.getName());
                }

                out.writeString(bi.toString());
            }
        }

    }
}