field.java

java virtual machince kaffe

   * @see #get(Object)
   */
  public boolean getBoolean(Object o)
    throws IllegalAccessException
  {
    if (type == Boolean.TYPE)
      return getBoolean0(o);
    throw new IllegalArgumentException();
  }

  /**
   * Get the value of this byte Field. If the field is static,
   * <code>o</code> will be ignored.
   *
   * @param o the object to get the value of this Field from
   * @return the value of the Field
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a byte field of
   *         <code>o</code>, or if <code>o</code> is not an instance of the
   *         declaring class of this field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #get(Object)
   */
  public byte getByte(Object o)
    throws IllegalAccessException
  {
    if (type == Byte.TYPE)
      return getByte0(o);
    throw new IllegalArgumentException();
  }

  /**
   * Get the value of this Field as a char. If the field is static,
   * <code>o</code> will be ignored.
   *
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a char field of
   *         <code>o</code>, or if <code>o</code> is not an instance
   *         of the declaring class of this field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #get(Object)
   */
  public char getChar(Object o)
    throws IllegalAccessException
  {
    if (type == Character.TYPE)
      return getChar0(o);
    throw new IllegalArgumentException();
  }

  /**
   * Get the value of this Field as a short. If the field is static,
   * <code>o</code> will be ignored.
   *
   * @param o the object to get the value of this Field from
   * @return the value of the Field
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a byte or short
   *         field of <code>o</code>, or if <code>o</code> is not an instance
   *         of the declaring class of this field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #get(Object)
   */
  public short getShort(Object o)
    throws IllegalAccessException
  {
    if (type == Short.TYPE)
      return getShort0(o);
    return getByte(o);
  }

  /**
   * Get the value of this Field as an int. If the field is static,
   * <code>o</code> will be ignored.
   *
   * @param o the object to get the value of this Field from
   * @return the value of the Field
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a byte, short, char, or
   *         int field of <code>o</code>, or if <code>o</code> is not an
   *         instance of the declaring class of this field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #get(Object)
   */
  public int getInt(Object o)
    throws IllegalAccessException
  {
    if (type == Integer.TYPE)
      return getInt0(o);
    if (type == Character.TYPE)
      return getChar0(o);
    return getShort(o);
  }

  /**
   * Get the value of this Field as a long. If the field is static,
   * <code>o</code> will be ignored.
   *
   * @param o the object to get the value of this Field from
   * @return the value of the Field
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a byte, short, char, int,
   *         or long field of <code>o</code>, or if <code>o</code> is not an
   *         instance of the declaring class of this field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #get(Object)
   */
  public long getLong(Object o)
    throws IllegalAccessException
  {
    if (type == Long.TYPE)
      return getLong0(o);
    return getInt(o);
  }

  /**
   * Get the value of this Field as a float. If the field is static,
   * <code>o</code> will be ignored.
   *
   * @param o the object to get the value of this Field from
   * @return the value of the Field
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a byte, short, char, int,
   *         long, or float field of <code>o</code>, or if <code>o</code> is
   *         not an instance of the declaring class of this field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #get(Object)
   */
  public float getFloat(Object o)
    throws IllegalAccessException
  {
    if (type == Float.TYPE)
      return getFloat0(o);
    return getLong(o);
  }

  /**
   * Get the value of this Field as a double. If the field is static,
   * <code>o</code> will be ignored.
   *
   * @param o the object to get the value of this Field from
   * @return the value of the Field
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a byte, short, char, int,
   *         long, float, or double field of <code>o</code>, or if
   *         <code>o</code> is not an instance of the declaring class of this
   *         field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #get(Object)
   */
  public double getDouble(Object o)
    throws IllegalAccessException
  {
    if (type == Double.TYPE)
      return getDouble0(o);
    return getFloat(o);
  }

  /**
   * Set the value of this Field.  If it is a primitive field, the value
   * will be unwrapped from the passed object (boolean = java.lang.Boolean).<p>
   *
   * If the field is static, <code>o</code> will be ignored. Otherwise, if
   * <code>o</code> is null, you get a <code>NullPointerException</code>,
   * and if it is incompatible with the declaring class of the field, you
   * get an <code>IllegalArgumentException</code>.<p>
   *
   * Next, if this Field enforces access control, your runtime context is
   * evaluated, and you may have an <code>IllegalAccessException</code> if
   * you could not access this field in similar compiled code. This also
   * occurs whether or not there is access control if the field is final.
   * If the field is primitive, and unwrapping your argument fails, you will
   * get an <code>IllegalArgumentException</code>; likewise, this error
   * happens if <code>value</code> cannot be cast to the correct object type.
   * If the field is static, and its class is uninitialized, you trigger class
   * initialization, which may end in a
   * <code>ExceptionInInitializerError</code>.<p>
   *
   * Finally, the field is set with the widened value. This method accesses
   * the field of the declaring class, even if the instance passed in belongs
   * to a subclass which declares another field to hide this one.
   *
   * @param o the object to set this Field on
   * @param value the value to set this Field to
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if <code>value</code> cannot be
   *         converted by a widening conversion to the underlying type of
   *         the Field, or if <code>o</code> is not an instance of the class
   *         declaring this field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #setBoolean(Object, boolean)
   * @see #setByte(Object, byte)
   * @see #setChar(Object, char)
   * @see #setShort(Object, short)
   * @see #setInt(Object, int)
   * @see #setLong(Object, long)
   * @see #setFloat(Object, float)
   * @see #setDouble(Object, double)
   */
  public void set(Object o, Object value)
    throws IllegalAccessException
  {
    checkFinal();
    setInternal(o, value);
  }

  /**
   * Set this boolean Field. If the field is static, <code>o</code> will be
   * ignored.
   *
   * @param o the object to set this Field on
   * @param value the value to set this Field to
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a boolean field, or if
   *         <code>o</code> is not an instance of the class declaring this
   *         field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #set(Object, Object)
   */
  public void setBoolean(Object o, boolean value)
    throws IllegalAccessException
  {
    checkFinal();
    setBooleanInternal(o, value);
  }

  /**
   * Set this byte Field. If the field is static, <code>o</code> will be
   * ignored.
   *
   * @param o the object to set this Field on
   * @param value the value to set this Field to
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a byte, short, int, long,
   *         float, or double field, or if <code>o</code> is not an instance
   *         of the class declaring this field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #set(Object, Object)
   */
  public void setByte(Object o, byte value)
    throws IllegalAccessException
  {
    checkFinal();
    setByteInternal(o, value);
  }

  /**
   * Set this char Field. If the field is static, <code>o</code> will be
   * ignored.
   *
   * @param o the object to set this Field on
   * @param value the value to set this Field to
   * @throws IllegalAccessException if you could not normally access this field
   *         (i.e. it is not public)
   * @throws IllegalArgumentException if this is not a char, int, long,
   *         float, or double field, or if <code>o</code> is not an instance
   *         of the class declaring this field
   * @throws NullPointerException if <code>o</code> is null and this field
   *         requires an instance
   * @throws ExceptionInInitializerError if accessing a static field triggered
   *         class initialization, which then failed
   * @see #set(Object, Object)
   */
  public void setChar(Object o, char value)
    throws IllegalAccessException
  {
    checkFinal();