CLExternalField.java

/*******************************************************************************
 * Copyright (c) 1998, 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:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.mappingsmodel.spi.meta.classloader;

import java.lang.reflect.Field;

import org.eclipse.persistence.tools.workbench.mappingsmodel.spi.meta.ExternalClassDescription;
import org.eclipse.persistence.tools.workbench.mappingsmodel.spi.meta.ExternalField;


/**
 * Wrap a java.lang.reflect.Field.
 */
final class CLExternalField
    extends CLExternalMember
    implements ExternalField
{

    /**
     * Constructor.
     */
    CLExternalField(Field field, CLExternalClass declaringExternalClass) {
        super(field, declaringExternalClass);
    }


    // ********** ExternalField implementation **********

    /**
     * @see org.eclipse.persistence.tools.workbench.mappingsmodel.spi.meta.ExternalField#getType()
     */
    public ExternalClassDescription getType() {
        return this.classDescriptionFor(this.getField().getType());
    }

    /**
     * @see org.eclipse.persistence.tools.workbench.mappingsmodel.spi.meta.ExternalMember#isSynthetic()
     * This is just a best guess at which fields are synthetic.
     */
    public boolean isSynthetic() {
        if (super.isSynthetic()) {
            return true;
        }
        // it appears that compiler-generated Fields hold only Classes...
        if ( ! this.getType().getName().equals(java.lang.Class.class.getName())) {
            return false;
        }
        if (this.getName().startsWith(this.getDeclaringClass().getName() + ".class$")) {
            return true;
        }
        return false;
    }


    // ********** internal methods **********

    /**
     * Convenience method.
     */
    private Field getField() {
        return (Field) this.member;
    }

}