/*
* This code is distributed under The GNU Lesser General Public License (LGPLv3)
* Please visit GNU site for LGPLv3 http://www.gnu.org/copyleft/lesser.html
*
* Copyright Denis Pavlov 2009
* Web: http://www.genericdtoassembler.org
* SVN: https://svn.code.sf.net/p/geda-genericdto/code/trunk/
* SVN (mirror): http://geda-genericdto.googlecode.com/svn/trunk/
*/
package com.inspiresoftware.lib.dto.geda.assembler;
import com.inspiresoftware.lib.dto.geda.assembler.extension.DataReader;
import com.inspiresoftware.lib.dto.geda.assembler.extension.DataWriter;
import com.inspiresoftware.lib.dto.geda.assembler.extension.MethodSynthesizer;
import com.inspiresoftware.lib.dto.geda.assembler.meta.PipeMetadata;
import com.inspiresoftware.lib.dto.geda.exception.GeDARuntimeException;
import com.inspiresoftware.lib.dto.geda.exception.InspectionBindingNotFoundException;
import com.inspiresoftware.lib.dto.geda.exception.InspectionPropertyNotFoundException;
import com.inspiresoftware.lib.dto.geda.exception.UnableToCreateInstanceException;
import java.beans.PropertyDescriptor;
import java.util.List;
import java.util.Map;
/**
* Assembles DataPipe.
*
* @author Denis Pavlov
* @since 1.0.0
*
*/
@SuppressWarnings("unchecked")
class DataPipeChainBuilder extends BasePipeBuilder<PipeMetadata> {
/**
* {@inheritDoc}
*
* @throws InspectionBindingNotFoundException when fails to find descriptors for fields
* @throws UnableToCreateInstanceException when fails to create a data reader/writer
* @throws InspectionPropertyNotFoundException when fails to create a data reader/writer
* @throws GeDARuntimeException unhandled cases - this is (if GeDA was not tampered with) means library failure and should be reported
*/
public Pipe build(
final AssemblerContext context,
final Class dtoClass, final Class entityClass,
final PropertyDescriptor[] dtoPropertyDescriptors,
final PropertyDescriptor[] entityPropertyDescriptors,
final PipeMetadata meta, final Pipe pipe)
throws InspectionBindingNotFoundException, InspectionPropertyNotFoundException, UnableToCreateInstanceException, GeDARuntimeException {
final boolean isMapEntity = Map.class.isAssignableFrom(entityClass);
final boolean isListEntity = !isMapEntity && List.class.isAssignableFrom(entityClass);
final PropertyDescriptor dtoFieldDesc = PropertyInspector.getDtoPropertyDescriptorForField(
dtoClass, meta.getDtoFieldName(), dtoPropertyDescriptors);
final MethodSynthesizer synthesizer = context.getMethodSynthesizer();
final MethodSynthesizer entitySynthesizer;
final PropertyDescriptor entityFieldDesc;
if (isMapEntity || isListEntity) {
if (isMapEntity) {
entitySynthesizer = mapSynthesizer;
} else {
entitySynthesizer = listSynthesizer;
}
entityFieldDesc = PropertyInspector.getDtoPropertyDescriptorForField(
dtoClass, meta.getDtoFieldName(), dtoPropertyDescriptors);
} else {
entitySynthesizer = synthesizer;
entityFieldDesc = PropertyInspector.getEntityPropertyDescriptorForField(
dtoClass, entityClass, meta.getDtoFieldName(), meta.getEntityFieldName(), entityPropertyDescriptors);
}
final DataReader entityFieldRead = entitySynthesizer.synthesizeReader(entityFieldDesc);
final DataWriter entityFieldWrite = meta.isReadOnly() ? null : entitySynthesizer.synthesizeWriter(entityFieldDesc);
return new DataPipeChain(
meta.isReadOnly() ? null : synthesizer.synthesizeReader(dtoFieldDesc),
entityFieldRead,
entityFieldWrite, pipe, meta);
}
}