| /******************************************************************************* |
| * Copyright (c) 2011 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jpt.jaxb.core.context; |
| |
| import java.util.Collection; |
| import org.eclipse.jpt.common.core.resource.java.JavaResourceAttribute; |
| import org.eclipse.jpt.common.core.resource.java.JavaResourceField; |
| import org.eclipse.jpt.common.core.resource.java.JavaResourceMethod; |
| import org.eclipse.jpt.jaxb.core.context.java.JavaContextNode; |
| |
| /** |
| * Represents a JAXB accessor (field/property). |
| * <p> |
| * Provisional API: This interface is part of an interim API that is still |
| * under development and expected to change significantly before reaching |
| * stability. It is available at this early stage to solicit feedback from |
| * pioneering adopters on the understanding that any code that uses this API |
| * will almost certainly be broken (repeatedly) as the API evolves. |
| * |
| * @version 3.1 |
| * @since 3.1 |
| */ |
| public interface Accessor |
| extends JavaContextNode { |
| |
| JavaResourceAttribute getJavaResourceAttribute(); |
| |
| boolean isFor(JavaResourceField resourceField); |
| |
| boolean isFor(JavaResourceMethod resourceGetter, JavaResourceMethod resourceSetter); |
| |
| /** |
| * Return the type name of the java attribute, or the item type name of a collection or array. |
| */ |
| String getJavaResourceAttributeBaseTypeName(); |
| |
| /** |
| * (See JAXB 2.2 Spec, sect. 5.5.2) |
| * Return true if the java attribute type is an extension of java.util.Collection or a single |
| * dimensional array (except for byte[], which is treated like a non-array) |
| */ |
| boolean isJavaResourceAttributeCollectionType(); |
| |
| /** |
| * Return whether the java resource attribute type is a subtype of the given type |
| * This might not return the same thing as getJavaResourceAttribute().typeIsSubTypeOf(String). |
| */ |
| boolean isJavaResourceAttributeTypeSubTypeOf(String typeName); |
| |
| |
| //**************** static methods ***************** |
| |
| final class AccessorTools { |
| |
| public static final String BYTE_ARRAY_CLASS_NAME = "byte[]"; |
| public static final String COLLECTION_CLASS_NAME = Collection.class.getName(); |
| public static final String OBJECT_CLASS_NAME = Object.class.getName(); |
| |
| public static String getBaseTypeName(JavaResourceAttribute attribute) { |
| if (attribute.typeIsArray()) { |
| if (BYTE_ARRAY_CLASS_NAME.equals(attribute.getTypeName())) { |
| return BYTE_ARRAY_CLASS_NAME; |
| } |
| else if (attribute.getTypeArrayDimensionality() == 1) { |
| return attribute.getTypeArrayComponentTypeName(); |
| } |
| } |
| else if (attribute.typeIsSubTypeOf(COLLECTION_CLASS_NAME)) { |
| if (attribute.getTypeTypeArgumentNamesSize() == 1) { |
| return attribute.getTypeTypeArgumentName(0); |
| } |
| return OBJECT_CLASS_NAME; |
| } |
| return attribute.getTypeName(); |
| } |
| |
| /** |
| * @see JaxbPersistentAttribute#isJavaResourceAttributeCollectionType() |
| */ |
| public static boolean isCollectionType(JavaResourceAttribute attribute) { |
| if (attribute.typeIsArray()) { |
| if (attribute.getTypeArrayDimensionality() == 1 |
| && ! BYTE_ARRAY_CLASS_NAME.equals(attribute.getTypeName())) { |
| return true; |
| } |
| return false; |
| } |
| else if (attribute.typeIsSubTypeOf(COLLECTION_CLASS_NAME)) { |
| return true; |
| } |
| |
| return false; |
| } |
| } |
| } |