com.remondis.remap.RestructureBuilder Maven / Gradle / Ivy
package com.remondis.remap;
import static com.remondis.remap.Lang.denyNull;
import java.util.Map;
import java.util.function.Consumer;
/**
* A builder for restructuring a field in the destination type.
*
* @param The source type of mapping.
* @param The destination type of mapping.
* @param The type of the destination field.
*
* @author schuettec
*
*/
public class RestructureBuilder {
private MappingConfiguration mappingConfiguration;
private TypedPropertyDescriptor typedPropertyDescriptor;
RestructureBuilder(MappingConfiguration mappingConfiguration,
TypedPropertyDescriptor typedPropertyDescriptor) {
this.mappingConfiguration = mappingConfiguration;
this.typedPropertyDescriptor = typedPropertyDescriptor;
}
/**
* Tells the mapping, that the destination object can be restructured by simple implicit mappings. Use this
* method if no custom mappings are required to build the destination object.
*
* @return Returns a {@link MappingConfiguration} for further configuration.
*/
public MappingConfiguration implicitly() {
return createRestructure(conf -> {
}, false);
}
/**
* Adds further mapping configurations to the mapping that is used to restructure the destination object. Use this
* method, if custom mappings are required to build the destination object.
*
* @param restructureMappingConfiguration A {@link Consumer} that receives a {@link MappingConfiguration} and applies
* further mapping configurations.
* @return Returns a {@link MappingConfiguration} for further configuration.
*/
public MappingConfiguration applying(Consumer> restructureMappingConfiguration) {
denyNull("restructureMappingConfiguration", restructureMappingConfiguration);
boolean applyingSpecificConfiguration = true;
return createRestructure(restructureMappingConfiguration, applyingSpecificConfiguration);
}
private MappingConfiguration createRestructure(
Consumer> restructureMappingConfiguration, boolean applyingSpecificConfiguration) {
Map, InternalMapper> mappers = mappingConfiguration.getMappers();
@SuppressWarnings("unchecked")
MappingConfiguration config = Mapping.from(mappingConfiguration.getSource())
.to((Class) typedPropertyDescriptor.property.getPropertyType());
// Do not make all source properties mandatory
config.omitOtherSourceProperties();
// Inherit registered mappers.
mappers.entrySet()
.stream()
.forEach(entry -> {
InternalMapper mapper = entry.getValue();
config.useInternalMapper(mapper);
});
restructureMappingConfiguration.accept(config);
Transformation restructureTransformation = new RestructureTransformation<>(config, null,
typedPropertyDescriptor.property, null, applyingSpecificConfiguration);
mappingConfiguration.addDestinationMapping(typedPropertyDescriptor.property, restructureTransformation);
return mappingConfiguration;
}
}