v2/src/jam/org/apache/xmlbeans/impl/jam/internal/VoidJClass.java

/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2003 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution,
*    if any, must include the following acknowledgment:
*       "This product includes software developed by the
*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowledgment may appear in the software itself,
*    if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
*    not be used to endorse or promote products derived from this
*    software without prior written permission. For written
*    permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache
*    XMLBeans", nor may "Apache" appear in their name, without prior
*    written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2003 BEA Systems
* Inc., <http://www.bea.com/>. For more information on the Apache Software
* Foundation, please see <http://www.apache.org/>.
*/

package org.apache.xmlbeans.impl.jam.internal;

import org.apache.xmlbeans.impl.jam.JClass;

/**
 * Singleton JClass impl for the void type.
 *
 * @author Patrick Calahan <pcal@bea.com>
 */
public final class VoidJClass extends BuiltinJClass {

  // ========================================================================
  // Constants

  private static final String SIMPLE_NAME = "void";
  private static final String QUALIFIED_NAME = "void";

  // ========================================================================
  // Singleton

  /**
   * Returns a JClass representing the named primitive type.  The name
   * parameter can be a simple type name (e.g. 'int') or a field
   * descriptor (e.g. 'I').
   */
  public static JClass getInstance() {
    return INSTANCE;
  }

  private static final JClass INSTANCE = new VoidJClass();

  private VoidJClass() {
  }

  public static boolean isVoid(String fd) {
    return fd.equals(SIMPLE_NAME);
  }

  // ========================================================================
  // JElement implementation

  public String getSimpleName() {
    return SIMPLE_NAME;
  }

  public String getQualifiedName() {
    return QUALIFIED_NAME;
  }

  public String getFieldDescriptor() {
    return QUALIFIED_NAME;
  }

  // ========================================================================
  // JClass implementation

  public boolean isVoid() {
    return true;
  }

  public boolean isAssignableFrom(JClass c) {
    return false;
  }
}