jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/main/OptionHelper.java@af8417e590f4

     1 /*

     2  * Copyright (c) 2006, 2011, Oracle and/or its affiliates. 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.  Oracle designates this

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

     9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package com.sun.tools.javac.main;

    28 import com.sun.tools.javac.util.Log;

    29 import com.sun.tools.javac.util.Log.PrefixKind;

    30 import java.io.File;

    32 /**

    33  * Helper object to be used by {@link Option#process}, providing access to

    34  * the compilation environment.

    35  *

    36  * <p><b>This is NOT part of any supported API.

    37  * If you write code that depends on this, you do so at your own

    38  * risk.  This code and its internal interfaces are subject to change

    39  * or deletion without notice.</b></p>

    40  */

    42 public abstract class OptionHelper {

    44     /** Get the current value of an option. */

    45     public abstract String get(Option option);

    47     /** Set the value of an option. */

    48     public abstract void put(String name, String value);

    50     /** Remove any prior value for an option. */

    51     public abstract void remove(String name);

    53     /** Get access to the Log for the compilation. */

    54     public abstract Log getLog();

    56     /** Get the name of the tool, such as "javac", to be used in info like -help. */

    57     public abstract String getOwnName();

    59     /** Report an error. */

    60     abstract void error(String key, Object... args);

    62     /** Record a file to be compiled. */

    63     abstract void addFile(File f);

    65     /** Record the name of a class for annotation processing. */

    66     abstract void addClassName(String s);

    68     /** An implementation of OptionHelper that mostly throws exceptions. */

    69     public static class GrumpyHelper extends OptionHelper {

    70         private final Log log;

    72         public GrumpyHelper(Log log) {

    73             this.log = log;

    74         }

    76         @Override

    77         public Log getLog() {

    78             return log;

    79         }

    81         @Override

    82         public String getOwnName() {

    83             throw new IllegalStateException();

    84         }

    86         @Override

    87         public String get(Option option) {

    88             throw new IllegalArgumentException();

    89         }

    91         @Override

    92         public void put(String name, String value) {

    93             throw new IllegalArgumentException();

    94         }

    96         @Override

    97         public void remove(String name) {

    98             throw new IllegalArgumentException();

    99         }

   101         @Override

   102         void error(String key, Object... args) {

   103             throw new IllegalArgumentException(log.localize(PrefixKind.JAVAC, key, args));

   104         }

   106         @Override

   107         public void addFile(File f) {

   108             throw new IllegalArgumentException(f.getPath());

   109         }

   111         @Override

   112         public void addClassName(String s) {

   113             throw new IllegalArgumentException(s);

   114         }

   115     }

   117 }

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