org.eclipse.persistence.jaxb.compiler.builder.helper.TransformerReflectionHelper Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of eclipselink Show documentation
Show all versions of eclipselink Show documentation
EclipseLink build based upon Git transaction 180e602
/*******************************************************************************
* Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Martin Vojtek - 2.6 - initial version
******************************************************************************/
package org.eclipse.persistence.jaxb.compiler.builder.helper;
import org.eclipse.persistence.exceptions.JAXBException;
import org.eclipse.persistence.internal.helper.TransformerHelper;
import org.eclipse.persistence.jaxb.javamodel.Helper;
import org.eclipse.persistence.jaxb.javamodel.JavaClass;
import org.eclipse.persistence.jaxb.javamodel.JavaMethod;
/**
* Provides return type from write transformation method.
*
* @author Martin Vojtek
*
*/
public class TransformerReflectionHelper {
private final TransformerHelper transformerHelper;
private final Helper helper;
public TransformerReflectionHelper(Helper helper) {
this.transformerHelper = new TransformerHelper();
this.helper = helper;
}
public JavaClass getReturnTypeForWriteTransformationMethodTransformer(JavaClass writerClass) throws JAXBException {
return getReturnTypeForWriteTransformationMethod(getTransformerHelper().getTransformerMethodName(), writerClass, true);
}
public JavaClass getReturnTypeForWriteTransformationMethod(String methodName, JavaClass writerClass) throws JAXBException {
return getReturnTypeForWriteTransformationMethod(methodName, writerClass, false);
}
private JavaClass getReturnTypeForWriteTransformationMethod(String methodName, JavaClass writerClass, boolean isSetTransformerClass) throws JAXBException {
JavaMethod javaMethod = null;
for (Class[] methodParameters : getTransformerHelper().getTransformerMethodParameters(isSetTransformerClass)) {
javaMethod = writerClass.getDeclaredMethod(methodName, helper.getJavaClassArray(methodParameters));
if (null != javaMethod) {
return javaMethod.getReturnType();
}
}
throw JAXBException.noSuchWriteTransformationMethod(methodName);
}
protected TransformerHelper getTransformerHelper() {
return transformerHelper;
}
}