org.eclipse.persistence.jaxb.javamodel.xjc.XJCJavaPackageImpl Maven / Gradle / Ivy

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/*
 * Copyright (c) 2011, 2021 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:
//     Rick Barkhouse - 2.1 - Initial implementation
package org.eclipse.persistence.jaxb.javamodel.xjc;

import java.util.ArrayList;
import java.util.Collection;

import org.eclipse.persistence.dynamic.DynamicClassLoader;
import org.eclipse.persistence.jaxb.javamodel.JavaAnnotation;
import org.eclipse.persistence.jaxb.javamodel.JavaClass;
import org.eclipse.persistence.jaxb.javamodel.JavaPackage;

import com.sun.codemodel.JAnnotationUse;
import com.sun.codemodel.JPackage;

/**
 * INTERNAL:
 * 
 * Purpose: JavaPackage implementation wrapping XJC's JPackage.  Used when
 * bootstrapping a DynamicJAXBContext from an XML Schema.
 * 
 *
 * 
 * Responsibilities:
 * 
 * 
 *    Provide Package information from the underlying JPackage.
 * 
 *
 * @since EclipseLink 2.1
 *
 * @see org.eclipse.persistence.jaxb.javamodel.JavaPackage
 */
public class XJCJavaPackageImpl implements JavaPackage {

    protected JPackage xjcPackage;
    private DynamicClassLoader dynamicClassLoader;

    /**
     * Construct a new instance of XJCJavaPackageImpl.
     *
     * @param jPackage - the XJC JPackage to be wrapped.
     * @param loader - the ClassLoader used to bootstrap the DynamicJAXBContext.
     */
    public XJCJavaPackageImpl(JPackage jPackage, DynamicClassLoader loader) {
        this.xjcPackage = jPackage;
        this.dynamicClassLoader = loader;
    }

    /**
     * If this JavaPackage is annotated with an Annotation matching aClass,
     * return its JavaAnnotation representation.
     *
     * @param aClass a JavaClass representing the Annotation to look for.
     *
     * @return the JavaAnnotation represented by aClass, if one exists, otherwise return null.
     */
    @Override
    @SuppressWarnings("unchecked")
    public JavaAnnotation getAnnotation(JavaClass aClass) {
        if (aClass != null) {

            Collection annotations = xjcPackage.annotations();
            for (JAnnotationUse annotationUse : annotations) {
                XJCJavaAnnotationImpl xjcAnnotation = new XJCJavaAnnotationImpl(annotationUse, dynamicClassLoader);
                if (xjcAnnotation.getJavaAnnotationClass().getCanonicalName().equals(aClass.getQualifiedName())) {
                    return xjcAnnotation;
                }
            }
            // Didn't find annotation so return null
            return null;
        }
        // aClass was null so return null
        return null;
    }

    /**
     * Return all of the Annotations for this JavaPackage.
     *
     * @return A Collection containing this JavaPackage's JavaAnnotations.
     */
    @Override
    @SuppressWarnings("unchecked")
    public Collection getAnnotations() {
        ArrayList annotationsList = new ArrayList<>();

        Collection annotations = xjcPackage.annotations();

        for (JAnnotationUse annotationUse : annotations) {
            XJCJavaAnnotationImpl xjcAnnotation = new XJCJavaAnnotationImpl(annotationUse, dynamicClassLoader);
            annotationsList.add(xjcAnnotation);
        }
        return annotationsList;
    }

    /**
     * Returns the name of this JavaPackage.
     *
     * @return the String name of this JavaPackage.
     */
    public String getName() {
        if (xjcPackage != null){
            return xjcPackage.name();
        }
        return null;
    }

    /**
     * Returns the fully-qualified name of this JavaPackage.
     *
     * @return the String name of this JavaPackage.
     */
    @Override
    public String getQualifiedName() {
        return getName();
    }

    /**
     * Not supported.
     */
    @Override
    public JavaAnnotation getDeclaredAnnotation(JavaClass arg0) {
        throw new UnsupportedOperationException("getDeclaredAnnotation");
    }

    /**
     * Not supported.
     */
    @Override
    public Collection getDeclaredAnnotations() {
        throw new UnsupportedOperationException("getDeclaredAnnotations");
    }

}