jaxp/src/java.xml/share/classes/com/sun/org/apache/bcel/internal/generic/FieldGenOrMethodGen.java

/*
 * reserved comment block
 * DO NOT REMOVE OR ALTER!
 */
package com.sun.org.apache.bcel.internal.generic;
import com.sun.org.apache.bcel.internal.Constants;

/* ====================================================================
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 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    if any, must include the following acknowledgment:
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 *    if and wherever such third-party acknowledgments normally appear.
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 *    "Apache BCEL" must not be used to endorse or promote products
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 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import com.sun.org.apache.bcel.internal.classfile.*;
import java.util.ArrayList;

/**
 * Super class for FieldGen and MethodGen objects, since they have
 * some methods in common!
 *
 * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
 */
public abstract class FieldGenOrMethodGen extends AccessFlags
  implements NamedAndTyped, Cloneable
{
  protected String          name;
  protected Type            type;
  protected ConstantPoolGen cp;
  private   ArrayList       attribute_vec = new ArrayList();

  protected FieldGenOrMethodGen() {}

  public void            setType(Type type)   {
    if(type.getType() == Constants.T_ADDRESS)
      throw new IllegalArgumentException("Type can not be " + type);

    this.type = type;
  }
  public Type            getType()            { return type; }

  /** @return name of method/field.
   */
  public String          getName()            { return name; }
  public void            setName(String name) { this.name = name; }

  public ConstantPoolGen getConstantPool()                   { return cp; }
  public void            setConstantPool(ConstantPoolGen cp) { this.cp = cp; }

  /**
   * Add an attribute to this method. Currently, the JVM knows about
   * the `Code', `ConstantValue', `Synthetic' and `Exceptions'
   * attributes. Other attributes will be ignored by the JVM but do no
   * harm.
   *
   * @param a attribute to be added
   */
  public void addAttribute(Attribute a) { attribute_vec.add(a); }

  /**
   * Remove an attribute.
   */
  public void removeAttribute(Attribute a) { attribute_vec.remove(a); }

  /**
   * Remove all attributes.
   */
  public void removeAttributes() { attribute_vec.clear(); }

  /**
   * @return all attributes of this method.
   */
  public Attribute[] getAttributes() {
    Attribute[] attributes = new Attribute[attribute_vec.size()];
    attribute_vec.toArray(attributes);
    return attributes;
  }

  /** @return signature of method/field.
   */
  public abstract String  getSignature();

  public Object clone() {
    try {
      return super.clone();
    } catch(CloneNotSupportedException e) {
      System.err.println(e);
      return null;
    }
  }
}