/**
* {@inheritDoc}
*
* @see org.jboss.tools.fuse.transformation.MapperConfiguration #mapExpression(java.lang.String,
* java.lang.String, org.jboss.tools.fuse.transformation.model.Model)
*/
@Override
public ExpressionMapping mapExpression(
final String language, final String expression, final Model target) {
final ExpressionMapping mapping = delegate.mapExpression(language, expression, target);
fireEvent(MAPPING, null, mapping);
return mapping;
}
private MappingOperation<?, ?> update(
final MappingOperation<?, ?> mapping,
final Object source,
final Model target,
final String eventType) {
MappingOperation<?, ?> resultMapping;
if (source == null || target == null) {
resultMapping = mapping;
} else {
// Not or no longer a mapping placeholder
if (mapping.getType() == null) {
mappingPlaceholders.remove(mapping);
}
if (source instanceof Model) {
if (mapping.getType() != null) {
delegate.removeMapping(mapping);
}
resultMapping = delegate.mapField((Model) source, target);
if (mapping.getType() == MappingType.CUSTOM) {
final CustomMapping customMapping = (CustomMapping) mapping;
resultMapping =
delegate.customizeMapping(
(FieldMapping) resultMapping,
customMapping.getMappingClass(),
customMapping.getMappingOperation());
}
} else if (source instanceof Variable) {
if (mapping.getType() == MappingType.VARIABLE && target.equals(mapping.getTarget())) {
resultMapping = mapping;
((VariableMapping) mapping).setVariable((Variable) source);
} else {
if (mapping.getType() != null) {
delegate.removeMapping(mapping);
}
resultMapping = delegate.mapVariable((Variable) source, target);
}
} else {
if (mapping.getType() != null) {
delegate.removeMapping(mapping);
}
final Expression expression = (Expression) source;
resultMapping =
delegate.mapExpression(expression.getLanguage(), expression.getExpression(), target);
}
}
fireEvent(eventType, mapping, resultMapping);
return resultMapping;
}
private MappingOperation<?, ?> update(
final MappingOperation<?, ?> mapping,
final String language,
final String expression,
final Model target,
final String eventType) {
MappingOperation<?, ?> resultMapping;
if (target == null) {
resultMapping = mapping;
} else {
if (mapping.getType() == null) {
mappingPlaceholders.remove(mapping);
}
resultMapping = delegate.mapExpression(language, expression, target);
}
fireEvent(eventType, mapping, resultMapping);
return resultMapping;
}