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    <p>OK - I've found the answer on my own. This involved writing my own AMF endpoint class + related serializing classes. I've gotta say that the guys over at <a href="http://flexblog.faratasystems.com">http://flexblog.faratasystems.com</a> have been a great source of inspiration on hacking BlazeDS.</p> <p>This code should really be incorporated into BlazeDS itself or some Open Source extension project - it's so basic.</p> <h1>Channel Definition</h1> <pre><code> &lt;channel-definition id="my-amf" class="mx.messaging.channels.AMFChannel"&gt; &lt;endpoint url="http://{server.name}:{server.port}/{context.root}/messagebroker/amf" class="ch.hedgesphere.core.blazeds.endpoint.AMFEndpoint"/&gt; &lt;properties&gt; &lt;serialization&gt; &lt;type-marshaller&gt;ch.hedgesphere.core.blazeds.translator.HedgesphereASTranslator&lt;/type-marshaller&gt; &lt;/serialization&gt; &lt;/properties&gt; &lt;/channel-definition&gt; </code></pre> <h1>Custom AMF Endpoint</h1> <pre><code>package ch.hedgesphere.core.blazeds.endpoint; import ch.hedgesphere.core.blazeds.serialization.Serializer; public class AMFEndpoint extends flex.messaging.endpoints.AMFEndpoint { @Override protected String getSerializerClassName() { return Serializer.class.getName(); } } </code></pre> <h1>Custom Serializer</h1> <pre><code>package ch.hedgesphere.core.blazeds.serialization; import java.io.OutputStream; import flex.messaging.io.MessageIOConstants; import flex.messaging.io.SerializationContext; import flex.messaging.io.amf.AmfMessageSerializer; import flex.messaging.io.amf.AmfTrace; public class Serializer extends AmfMessageSerializer { @Override public void initialize(SerializationContext context, OutputStream out, AmfTrace trace) { amfOut = new AMF0Output(context); amfOut.setOutputStream(out); amfOut.setAvmPlus(version &gt;= MessageIOConstants.AMF3); debugTrace = trace; isDebug = trace != null; amfOut.setDebugTrace(debugTrace); } } </code></pre> <h1>Custom AMF 0 Handling</h1> <pre><code>package ch.hedgesphere.core.blazeds.serialization; import flex.messaging.io.SerializationContext; public class AMF0Output extends flex.messaging.io.amf.Amf0Output { public AMF0Output(SerializationContext context) { super(context); } @Override protected void createAMF3Output() { avmPlusOutput = new AMF3Output(context); avmPlusOutput.setOutputStream(out); avmPlusOutput.setDebugTrace(trace); } } </code></pre> <h1>Custom AMF 3 Handling</h1> <pre><code>package ch.hedgesphere.core.blazeds.serialization; import java.io.IOException; import org.joda.time.DateTime; import org.joda.time.LocalDate; import org.joda.time.LocalTime; import flex.messaging.io.SerializationContext; public class AMF3Output extends flex.messaging.io.amf.Amf3Output { public AMF3Output(SerializationContext context) { super(context); } @Override public void writeObject(Object value) throws IOException { if(value instanceof DateTime) { value = convertToDate((DateTime)value); } if(value instanceof LocalDate) { value = convertToDate((LocalDate)value); } if(value instanceof LocalTime) { value = convertToDate((LocalTime)value); } super.writeObject(value); } private Object convertToDate(LocalTime time) { return time.toDateTimeToday().toDate(); } private Object convertToDate(LocalDate date) { return date.toDateMidnight().toDate(); } private Object convertToDate(DateTime dateTime) { return dateTime.toDate(); } } </code></pre> <h1>Custom Marshaller for Flex->Java Calling</h1> <pre><code>package ch.hedgesphere.core.blazeds.translator; import org.joda.time.DateTime; import org.joda.time.LocalDate; import org.joda.time.LocalTime; import flex.messaging.io.amf.translator.ASTranslator; public class HedgesphereASTranslator extends ASTranslator { @SuppressWarnings({"rawtypes"}) @Override public Object convert(Object originalValue, Class type) { if( type.equals(DateTime.class)) { return convertToDateTime(originalValue); } if( type.equals(LocalDate.class)) { return convertToLocalDate(originalValue); } if( type.equals(LocalTime.class)) { return convertToLocalTime(originalValue); } return super.convert(originalValue, type); } private Object convertToLocalTime(Object originalValue) { return originalValue == null ? null : new LocalTime(originalValue); } private Object convertToLocalDate(Object originalValue) { return originalValue == null ? null : new LocalDate(originalValue); } private Object convertToDateTime(Object originalValue) { return originalValue == null ? null : new DateTime(originalValue); } @SuppressWarnings({"rawtypes"}) @Override public Object createInstance(Object source, Class type) { return super.createInstance(source, type); } } </code></pre>
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