/**
* Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.financial.fudgemsg;
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 com.opengamma.financial.analytics.fxforwardcurve.BloombergFXForwardCurveInstrumentProvider;
/**
* Fudge builder for {@link BloombergFXForwardCurveInstrumentProvider}.
*/
@FudgeBuilderFor(BloombergFXForwardCurveInstrumentProvider.class)
public class BloombergFXForwardCurveInstrumentProviderFudgeBuilder implements FudgeBuilder<BloombergFXForwardCurveInstrumentProvider> {
/** The data field name field */
private static final String DATA_FIELD_NAME = "dataFieldName";
/** The postfix field */
private static final String POSTFIX = "postfix";
/** The prefix field */
private static final String PREFIX = "prefix";
/** The spot prefix field */
private static final String SPOT_PREFIX = "spotPrefix";
/** The field indicating whether to use the BBG spot ticker */
private static final String USE_SPOT_RATE_FROM_GRAPH = "useSpotRateFromGraph";
@Override
public MutableFudgeMsg buildMessage(final FudgeSerializer serializer, final BloombergFXForwardCurveInstrumentProvider object) {
final MutableFudgeMsg message = serializer.newMessage();
message.add(PREFIX, object.getPrefix());
message.add(POSTFIX, object.getPostfix());
message.add(DATA_FIELD_NAME, object.getDataFieldName());
message.add(USE_SPOT_RATE_FROM_GRAPH, object.useSpotRateFromGraph());
if (!object.useSpotRateFromGraph()) {
if (!object.getSpotPrefix().equals(object.getPrefix())) {
message.add(SPOT_PREFIX, object.getSpotPrefix());
}
}
return message;
}
@Override
public BloombergFXForwardCurveInstrumentProvider buildObject(final FudgeDeserializer deserializer, final FudgeMsg message) {
final String prefix = message.getString(PREFIX);
final String postfix = message.getString(POSTFIX);
final String dataFieldName = message.getString(DATA_FIELD_NAME);
boolean useSpotRateFromGraph = false; // backwards compatibility
if (message.hasField(USE_SPOT_RATE_FROM_GRAPH)) {
useSpotRateFromGraph = message.getBoolean(USE_SPOT_RATE_FROM_GRAPH);
}
if (!useSpotRateFromGraph) {
String spotPrefix = message.getString(SPOT_PREFIX);
if (spotPrefix == null) {
spotPrefix = prefix;
}
return new BloombergFXForwardCurveInstrumentProvider(prefix, postfix, spotPrefix, dataFieldName);
}
if (message.hasField(SPOT_PREFIX)) {
throw new IllegalStateException("Spot prefix present in message even though useSpotRateFromGraph field is true");
}
return new BloombergFXForwardCurveInstrumentProvider(prefix, postfix, dataFieldName);
}
}