1 /*

     2  * Copyright 2007 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 package com.sun.tools.javap;

    27 

    28 import com.sun.tools.classfile.AccessFlags;

    29 

    30 /*

    31  *  Provides access to javap's options, set via the command line

    32  *  or JSR 199 API.

    33  *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If

    34  *  you write code that depends on this, you do so at your own risk.

    35  *  This code and its internal interfaces are subject to change or

    36  *  deletion without notice.</b>

    37  */

    38 public class Options {

    39     public static Options instance(Context context) {

    40         Options instance = context.get(Options.class);

    41         if (instance == null)

    42             instance = new Options(context);

    43         return instance;

    44     }

    45 

    46     protected Options(Context context) {

    47         context.put(Options.class, this);

    48     }

    49 

    50     /**

    51      * Checks access of class, field or method.

    52      */

    53     public boolean checkAccess(AccessFlags flags){

    54 

    55         boolean isPublic = flags.is(AccessFlags.ACC_PUBLIC);

    56         boolean isProtected = flags.is(AccessFlags.ACC_PROTECTED);

    57         boolean isPrivate = flags.is(AccessFlags.ACC_PRIVATE);

    58         boolean isPackage = !(isPublic || isProtected || isPrivate);

    59 

    60         if ((showAccess == AccessFlags.ACC_PUBLIC) && (isProtected || isPrivate || isPackage))

    61             return false;

    62         else if ((showAccess == AccessFlags.ACC_PROTECTED) && (isPrivate || isPackage))

    63             return false;

    64         else if ((showAccess == 0) && (isPrivate))

    65             return false;

    66         else

    67             return true;

    68     }

    69 

    70     public boolean help;

    71     public boolean verbose;

    72     public boolean version;

    73     public boolean fullVersion;

    74     public boolean showFlags;

    75     public boolean showLineAndLocalVariableTables;

    76     public int showAccess;

    77     public boolean showDisassembled;

    78     public boolean showInternalSignatures;

    79     public boolean showAllAttrs;

    80 

    81     public boolean compat;             // bug-for-bug compatibility mode with old javap

    82     public boolean jsr277;

    83     public boolean ignoreSymbolFile;   // file manager should ignore ct.sym

    84 }