modifier.java

来自「java1.6众多例子参考」· Java 代码 · 共 56 行

/*
 * @(#)Modifier.java	1.2 05/11/17
 *
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL.  Use is subject to license terms.
 */

package com.sun.mirror.declaration;


/**
 * Represents a modifier on the declaration of a program element such
 * as a class, method, or field.
 *
 * <p> Not all modifiers are applicable to all kinds of declarations.
 * When two or more modifiers appear in the source code of a declaration,
 * then it is customary, though not required, that they appear in the same
 * order as the constants listed in the detail section below.
 *
 * @author Joseph D. Darcy
 * @author Scott Seligman
 * @version 1.1 04/01/25
 * @since 1.5
 */

public enum Modifier {

    // See JLS2 sections 8.1.1, 8.3.1, 8.4.3, 8.8.3, and 9.1.1.
    // java.lang.reflect.Modifier includes INTERFACE, but that's a VMism.

    /** The modifier <tt>public</tt> */		PUBLIC,
    /** The modifier <tt>protected</tt> */	PROTECTED,
    /** The modifier <tt>private</tt> */	PRIVATE,
    /** The modifier <tt>abstract</tt> */	ABSTRACT,
    /** The modifier <tt>static</tt> */		STATIC,
    /** The modifier <tt>final</tt> */		FINAL,
    /** The modifier <tt>transient</tt> */	TRANSIENT,
    /** The modifier <tt>volatile</tt> */	VOLATILE,
    /** The modifier <tt>synchronized</tt> */	SYNCHRONIZED,
    /** The modifier <tt>native</tt> */		NATIVE,
    /** The modifier <tt>strictfp</tt> */	STRICTFP;


    private String lowercase = null;	// modifier name in lowercase

    /**
     * Returns this modifier's name in lowercase.
     */
    public String toString() {
	if (lowercase == null) {
	   lowercase = name().toLowerCase(java.util.Locale.US); 
	}
	return lowercase;
    }
}