| /* |
| * Copyright (c) 2015, 2020 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // 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; |
| } |
| |
| } |