/* * 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.extension.impl; 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.exception.GeDAException; import com.inspiresoftware.lib.dto.geda.exception.GeDARuntimeException; import com.inspiresoftware.lib.dto.geda.exception.InspectionPropertyNotFoundException; import com.inspiresoftware.lib.dto.geda.exception.UnableToCreateInstanceException; import java.beans.PropertyDescriptor; import java.util.List; /** * List class method synthesizer. * @since 2.1.0 * * User: denispavlov * Date: 12-09-18 * Time: 10:10 AM */ public class JavaListMethodSynthesizer implements MethodSynthesizer { /** {@inheritDoc} */ public DataReader synthesizeReader(final PropertyDescriptor descriptor) throws InspectionPropertyNotFoundException, UnableToCreateInstanceException, GeDARuntimeException { final String propName = descriptor.getName(); final Class returnType = descriptor.getReadMethod().getReturnType(); return new DataReader() { private String property = propName; private Class type = returnType; public Object read(final Object source) { final List<Object> listSource = (List) source; final int index = listSource.indexOf(property); if (index != -1 && listSource.size() > index + 1) { return listSource.get(index + 1); } return null; } public Class<?> getReturnType() { return type; } }; } /** {@inheritDoc} */ public DataWriter synthesizeWriter(final PropertyDescriptor descriptor) throws InspectionPropertyNotFoundException, UnableToCreateInstanceException, GeDARuntimeException { final String propName = descriptor.getName(); final Class paramType = descriptor.getWriteMethod().getParameterTypes()[0]; return new DataWriter() { private String property = propName; private Class type = paramType; public void write(final Object source, final Object value) { final List<Object> listSource = (List) source; final int index = listSource.indexOf(property); if (index != -1) { listSource.set(index + 1, value); } else { listSource.add(property); listSource.add(value); } } public Class<?> getParameterType() { return type; } }; } /** {@inheritDoc} */ public boolean configure(final String configuration, final Object value) throws GeDAException { return false; } /** {@inheritDoc} */ public void releaseResources() { // none } }