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  • Using JBoss Serialization in Wicket 1.5
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Wicket 1.5 introduces pluggable serialization. This is an example of implementing JBoss Serializaton (http://www.jboss.org/serialization) into Wicket 1.5 using ISerializer.

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.apache.commons.io.IOUtils;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.serialize.ISerializer;
import org.jboss.serial.io.JBossObjectInputStream;
import org.jboss.serial.io.JBossObjectOutputStream;

public class JBossSerializer implements ISerializer {

	@Override
	public Object deserialize(byte[] serializedBytes) {
		Object result = null;
		ByteArrayInputStream byteInputStream = null;
		JBossObjectInputStream jbossInputStream = null;

		try {
			byteInputStream = new ByteArrayInputStream(serializedBytes);
			jbossInputStream = new JBossObjectInputStream(byteInputStream);
			result = jbossInputStream.readObject();

		} catch (IOException e) {
			throw new WicketRuntimeException("Error deserializing object.", e);
		} catch (ClassNotFoundException e) {
			throw new WicketRuntimeException("Class not found for serialized object.", e);
		} finally {
			IOUtils.closeQuietly(jbossInputStream);
		}

		return result;
	}

	@Override
	public byte[] serialize(Object obj) {
		byte[] serializedResult = null;
		JBossObjectOutputStream jbossOutputStream = null;
		ByteArrayOutputStream byteOutputStream = null;

		try {
			byteOutputStream = new ByteArrayOutputStream();
			jbossOutputStream = new JBossObjectOutputStream(byteOutputStream);
			jbossOutputStream.writeObject(obj);
			jbossOutputStream.flush();
			byteOutputStream.flush();

			serializedResult = byteOutputStream.toByteArray();
		} catch (IOException e) {
			throw new WicketRuntimeException("Error serializing object of type: " + obj.getClass().getCanonicalName(), e);
		} finally {
			IOUtils.closeQuietly(jbossOutputStream);
		}

		return serializedResult;
	}
}

In the WebApplication init() method:

getFrameworkSettings().setSerializer(new JBossSerializer());
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