jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javadoc/ModifierFilter.java@fdf30b225e1c (annotated)

src/share/classes/com/sun/tools/javadoc/ModifierFilter.java@fdf30b225e1c (annotated)

src/share/classes/com/sun/tools/javadoc/ModifierFilter.java

Mon, 25 Mar 2013 16:55:14 -0700

author: mfang
date: Mon, 25 Mar 2013 16:55:14 -0700
changeset 1658: fdf30b225e1c
parent 1359: 25e14ad23cef
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

8010521: jdk8 l10n resource file translation update 2
Reviewed-by: naoto, yhuang

 /*
  * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code 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.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.javadoc;
 import static com.sun.tools.javac.code.Flags.*;
 /**
  *   A class whose instances are filters over Modifier bits.
  *   Filtering is done by returning boolean values.
  *   Classes, methods and fields can be filtered, or filtering
  *   can be done directly on modifier bits.
  *
  *  <p><b>This is NOT part of any supported API.
  *  If you write code that depends on this, you do so at your own risk.
  *  This code and its internal interfaces are subject to change or
  *  deletion without notice.</b>
  *
  *   @see com.sun.tools.javac.code.Flags
  *   @author Robert Field
  */
 public class ModifierFilter {
     /**
     * Package private access.
     * A "pseudo-" modifier bit that can be used in the
     * constructors of this class to specify package private
     * access. This is needed since there is no Modifier.PACKAGE.
     */
     public static final long PACKAGE = 0x8000000000000000L;
     /**
     * All access modifiers.
     * A short-hand set of modifier bits that can be used in the
     * constructors of this class to specify all access modifiers,
     * Same as PRIVATE | PROTECTED | PUBLIC | PACKAGE.
     */
     public static final long ALL_ACCESS =
                 PRIVATE | PROTECTED | PUBLIC | PACKAGE;
     private long oneOf;
     private long must;
     private long cannot;
     private static final int ACCESS_BITS = PRIVATE | PROTECTED | PUBLIC;
     /**
      * Constructor - Specify a filter.
      *
      * @param   oneOf   If zero, everything passes the filter.
      *                  If non-zero, at least one of the specified
      *                  bits must be on in the modifier bits to
      *                  pass the filter.
      */
     public ModifierFilter(long oneOf) {
         this(oneOf, 0, 0);
     }
     /**
      * Constructor - Specify a filter.
      * For example, the filter below  will only pass synchronized
      * methods that are private or package private access and are
      * not native or static.
      * <pre>
      * ModifierFilter(  Modifier.PRIVATE | ModifierFilter.PACKAGE,
      *                  Modifier.SYNCHRONIZED,
      *                  Modifier.NATIVE | Modifier.STATIC)
      * </pre><p>
      * Each of the three arguments must either be
      * zero or the or'ed combination of the bits specified in the
      * class Modifier or this class. During filtering, these values
      * are compared against the modifier bits as follows:
      *
      * @param   oneOf   If zero, ignore this argument.
      *                  If non-zero, at least one of the bits must be on.
      * @param   must    All bits specified must be on.
      * @param   cannot  None of the bits specified can be on.
      */
     public ModifierFilter(long oneOf, long must, long cannot) {
         this.oneOf = oneOf;
         this.must = must;
         this.cannot = cannot;
     }
     /**
      * Filter on modifier bits.
      *
      * @param   modifierBits    Bits as specified in the Modifier class
      *
      * @return                  Whether the modifierBits pass this filter.
      */
     public boolean checkModifier(int modifierBits) {
         // Add in the "pseudo-" modifier bit PACKAGE, if needed
         long fmod = ((modifierBits & ACCESS_BITS) == 0) ?
                         modifierBits | PACKAGE :
                         modifierBits;
         return ((oneOf == 0) || ((oneOf & fmod) != 0)) &&
                 ((must & fmod) == must) &&
                 ((cannot & fmod) == 0);
     }
 } // end ModifierFilter

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javadoc/ModifierFilter.java@fdf30b225e1c (annotated)

src/share/classes/com/sun/tools/javadoc/ModifierFilter.java