/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.util.fudgemsg;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.fudgemsg.FudgeField;
import org.fudgemsg.FudgeMsg;
import org.fudgemsg.MutableFudgeMsg;
import org.fudgemsg.mapping.FudgeBuilder;
import org.fudgemsg.mapping.FudgeBuilderFor;
import org.fudgemsg.mapping.FudgeDeserializer;
import org.fudgemsg.mapping.FudgeSerializer;
import org.fudgemsg.types.IndicatorType;
import org.fudgemsg.wire.types.FudgeWireType;
import org.joda.beans.impl.flexi.FlexiBean;
/**
* Builder to convert FlexiBean to and from Fudge.
*/
@FudgeBuilderFor(FlexiBean.class)
public final class FlexiBeanFudgeBuilder implements FudgeBuilder<FlexiBean> {
/**
* Singleton instance.
*/
public static final FlexiBeanFudgeBuilder INSTANCE = new FlexiBeanFudgeBuilder();
/**
* Constructor. Must have default no-arg for support as part of the FudgeBuilderFor contract.
*/
public FlexiBeanFudgeBuilder() {
}
//-------------------------------------------------------------------------
@Override
public MutableFudgeMsg buildMessage(FudgeSerializer serializer, FlexiBean bean) {
final MutableFudgeMsg msg = serializer.newMessage();
Map<String, Object> data = bean.toMap();
for (Entry<String, Object> entry : data.entrySet()) {
Object value = entry.getValue();
if (value == null) {
msg.add(entry.getKey(), null, FudgeWireType.INDICATOR, IndicatorType.INSTANCE);
} else {
serializer.addToMessageWithClassHeaders(msg, entry.getKey(), null, value);
}
}
return msg;
}
@Override
public FlexiBean buildObject(FudgeDeserializer deserializer, FudgeMsg msg) {
final FlexiBean bean = new FlexiBean();
List<FudgeField> fields = msg.getAllFields();
for (FudgeField field : fields) {
if (field.getName() == null) {
// Ignore fields without a text label
continue;
}
Object value = deserializer.fieldValueToObject(field);
value = (value instanceof IndicatorType) ? null : value;
bean.set(field.getName(), value);
}
return bean;
}
}