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/*******************************************************************************
* 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.internal.context.java;
import java.util.Collection;
import org.eclipse.jpt.common.utility.internal.iterables.ArrayListIterable;
import org.eclipse.jpt.jaxb.core.JaxbFactory;
import org.eclipse.jpt.jaxb.core.MappingKeys;
import org.eclipse.jpt.jaxb.core.context.JaxbAttributeMapping;
import org.eclipse.jpt.jaxb.core.context.JaxbPersistentAttribute;
import org.eclipse.jpt.jaxb.core.context.java.DefaultJavaAttributeMappingDefinition;
import org.eclipse.jpt.jaxb.core.resource.java.JavaResourceAttribute;
import org.eclipse.jpt.jaxb.core.resource.java.XmlAttachmentRefAnnotation;
import org.eclipse.jpt.jaxb.core.resource.java.XmlElementAnnotation;
import org.eclipse.jpt.jaxb.core.resource.java.XmlElementWrapperAnnotation;
import org.eclipse.jpt.jaxb.core.resource.java.XmlIDAnnotation;
import org.eclipse.jpt.jaxb.core.resource.java.XmlIDREFAnnotation;
import org.eclipse.jpt.jaxb.core.resource.java.XmlInlineBinaryDataAnnotation;
import org.eclipse.jpt.jaxb.core.resource.java.XmlJavaTypeAdapterAnnotation;
import org.eclipse.jpt.jaxb.core.resource.java.XmlListAnnotation;
import org.eclipse.jpt.jaxb.core.resource.java.XmlMimeTypeAnnotation;
import org.eclipse.jpt.jaxb.core.resource.java.XmlSchemaTypeAnnotation;
public class JavaXmlElementMappingDefinition
extends AbstractJavaAttributeMappingDefinition
implements DefaultJavaAttributeMappingDefinition
{
// singleton
private static final JavaXmlElementMappingDefinition INSTANCE =
new JavaXmlElementMappingDefinition();
private static final String[] SUPPORTING_ANNOTATION_NAMES =
{XmlIDAnnotation.ANNOTATION_NAME,
XmlIDREFAnnotation.ANNOTATION_NAME,
XmlListAnnotation.ANNOTATION_NAME,
XmlSchemaTypeAnnotation.ANNOTATION_NAME,
XmlAttachmentRefAnnotation.ANNOTATION_NAME,
XmlMimeTypeAnnotation.ANNOTATION_NAME,
XmlInlineBinaryDataAnnotation.ANNOTATION_NAME,
XmlElementWrapperAnnotation.ANNOTATION_NAME,
XmlJavaTypeAdapterAnnotation.ANNOTATION_NAME};
/**
* Return the singleton.
*/
public static DefaultJavaAttributeMappingDefinition instance() {
return INSTANCE;
}
/**
* Enforce singleton usage
*/
private JavaXmlElementMappingDefinition() {
super();
}
public String getKey() {
return MappingKeys.XML_ELEMENT_ATTRIBUTE_MAPPING_KEY;
}
public String getAnnotationName() {
return XmlElementAnnotation.ANNOTATION_NAME;
}
public Iterable<String> getSupportingAnnotationNames() {
return new ArrayListIterable<String>(SUPPORTING_ANNOTATION_NAMES);
}
public JaxbAttributeMapping buildMapping(JaxbPersistentAttribute parent, JaxbFactory factory) {
return factory.buildJavaXmlElementMapping(parent);
}
/**
* From the JAXB spec section 8.12.5.1 Default Mapping:
* <p>
* A single valued property or field must be mapped by with the following default mapping annotation:<ul>
* <li> @XmlElement
* </ul>
* <p>
* A property or field with a collection type must be mapped by with the following default mapping annotation:<ul>
* <li> if the property or field is annotated with @XmlList, then the default mapping annotation is:<ul>
* <li> @XmlElement
* </ul>
* <li> otherwise the default mapping annotation is:<ul>
* <li> @XmlElements({ @XmlElement(nillable=true)})
* </ul>
*/
public boolean isDefault(JaxbPersistentAttribute persistentAttribute) {
JavaResourceAttribute resourceAttribute = persistentAttribute.getJavaResourceAttribute();
if (resourceAttribute.typeIsSubTypeOf(Collection.class.getName())) {
return resourceAttribute.getAnnotation(XmlListAnnotation.ANNOTATION_NAME) != null;
}
return true;
}
}
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