Attribute.java example

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resin-master
/*
 * Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *   Free SoftwareFoundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.bytecode;

import java.io.IOException;

import com.caucho.inject.Module;

/**
 * Represents a generic attribute
 */
@Module
abstract public class Attribute {
  private String _name;

  Attribute(String name)
  {
    _name = name;
  }

  /**
   * Returns the attribute name.
   */
  public String getName()
  {
    return _name;
  }

  /**
   * Update the JavaClass when adding.
   */
  public void addConstants(JavaClass javaClass)
  {
  }

  /**
   * Writes the field to the output.
   */
  abstract public void write(ByteCodeWriter out)
    throws IOException;

  /**
   * Clones the attribute
   */
  public Attribute export(JavaClass cl, JavaClass target)
  {
    throw new UnsupportedOperationException();
  }

  public String toString()
  {
    return "Attribute[" + _name + "]";
  }
}