001 /*
002 * Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation. Sun designates this
008 * particular file as subject to the "Classpath" exception as provided
009 * by Sun in the LICENSE file that accompanied this code.
010 *
011 * This code is distributed in the hope that it will be useful, but WITHOUT
012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
014 * version 2 for more details (a copy is included in the LICENSE file that
015 * accompanied this code).
016 *
017 * You should have received a copy of the GNU General Public License version
018 * 2 along with this work; if not, write to the Free Software Foundation,
019 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020 *
021 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022 * CA 95054 USA or visit www.sun.com if you need additional information or
023 * have any questions.
024 */
025
026 package com.sun.tools.javap;
027
028 import java.util.HashSet;
029 import java.util.Set;
030 import com.sun.tools.classfile.AccessFlags;
031
032 /*
033 * Provides access to javap's options, set via the command line
034 * or JSR 199 API.
035 * <p><b>This is NOT part of any API supported by Sun Microsystems. If
036 * you write code that depends on this, you do so at your own risk.
037 * This code and its internal interfaces are subject to change or
038 * deletion without notice.</b>
039 */
040 public class Options {
041 public static Options instance(Context context) {
042 Options instance = context.get(Options.class);
043 if (instance == null)
044 instance = new Options(context);
045 return instance;
046 }
047
048 protected Options(Context context) {
049 context.put(Options.class, this);
050 }
051
052 /**
053 * Checks access of class, field or method.
054 */
055 public boolean checkAccess(AccessFlags flags){
056
057 boolean isPublic = flags.is(AccessFlags.ACC_PUBLIC);
058 boolean isProtected = flags.is(AccessFlags.ACC_PROTECTED);
059 boolean isPrivate = flags.is(AccessFlags.ACC_PRIVATE);
060 boolean isPackage = !(isPublic || isProtected || isPrivate);
061
062 if ((showAccess == AccessFlags.ACC_PUBLIC) && (isProtected || isPrivate || isPackage))
063 return false;
064 else if ((showAccess == AccessFlags.ACC_PROTECTED) && (isPrivate || isPackage))
065 return false;
066 else if ((showAccess == 0) && (isPrivate))
067 return false;
068 else
069 return true;
070 }
071
072 public boolean help;
073 public boolean verbose;
074 public boolean version;
075 public boolean fullVersion;
076 public boolean showFlags;
077 public boolean showLineAndLocalVariableTables;
078 public int showAccess;
079 public Set<String> accessOptions = new HashSet<String>();
080 public boolean showDisassembled;
081 public boolean showInternalSignatures;
082 public boolean showAllAttrs;
083 public boolean showConstants;
084 public boolean sysInfo;
085
086 public boolean compat; // bug-for-bug compatibility mode with old javap
087 public boolean jsr277;
088 public boolean ignoreSymbolFile; // file manager should ignore ct.sym
089 }