jdk8-mips64-public/langtools: src/share/classes/javax/tools/JavaFileObject.java@f5e5ca7505e2

     1 /*

     2  * Copyright (c) 2005, 2012, 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 javax.tools;

    28 import javax.lang.model.element.NestingKind;

    29 import javax.lang.model.element.Modifier;

    31 /**

    32  * File abstraction for tools operating on Java&trade; programming language

    33  * source and class files.

    34  *

    35  * <p>All methods in this interface might throw a SecurityException if

    36  * a security exception occurs.

    37  *

    38  * <p>Unless explicitly allowed, all methods in this interface might

    39  * throw a NullPointerException if given a {@code null} argument.

    40  *

    41  * @author Peter von der Ah&eacute;

    42  * @author Jonathan Gibbons

    43  * @see JavaFileManager

    44  * @since 1.6

    45  */

    46 public interface JavaFileObject extends FileObject {

    48     /**

    49      * Kinds of JavaFileObjects.

    50      */

    51     enum Kind {

    52         /**

    53          * Source files written in the Java programming language.  For

    54          * example, regular files ending with {@code .java}.

    55          */

    56         SOURCE(".java"),

    58         /**

    59          * Class files for the Java Virtual Machine.  For example,

    60          * regular files ending with {@code .class}.

    61          */

    62         CLASS(".class"),

    64         /**

    65          * HTML files.  For example, regular files ending with {@code

    66          * .html}.

    67          */

    68         HTML(".html"),

    70         /**

    71          * Any other kind.

    72          */

    73         OTHER("");

    74         /**

    75          * The extension which (by convention) is normally used for

    76          * this kind of file object.  If no convention exists, the

    77          * empty string ({@code ""}) is used.

    78          */

    79         public final String extension;

    80         private Kind(String extension) {

    81             extension.getClass(); // null check

    82             this.extension = extension;

    83         }

    84     };

    86     /**

    87      * Gets the kind of this file object.

    88      *

    89      * @return the kind

    90      */

    91     Kind getKind();

    93     /**

    94      * Checks if this file object is compatible with the specified

    95      * simple name and kind.  A simple name is a single identifier

    96      * (not qualified) as defined in

    97      * <cite>The Java&trade; Language Specification</cite>,

    98      * section 6.2 "Names and Identifiers".

    99      *

   100      * @param simpleName a simple name of a class

   101      * @param kind a kind

   102      * @return {@code true} if this file object is compatible; false

   103      * otherwise

   104      */

   105     boolean isNameCompatible(String simpleName, Kind kind);

   107     /**

   108      * Provides a hint about the nesting level of the class

   109      * represented by this file object.  This method may return

   110      * {@link NestingKind#MEMBER} to mean

   111      * {@link NestingKind#LOCAL} or {@link NestingKind#ANONYMOUS}.

   112      * If the nesting level is not known or this file object does not

   113      * represent a class file this method returns {@code null}.

   114      *

   115      * @return the nesting kind, or {@code null} if the nesting kind

   116      * is not known

   117      */

   118     NestingKind getNestingKind();

   120     /**

   121      * Provides a hint about the access level of the class represented

   122      * by this file object.  If the access level is not known or if

   123      * this file object does not represent a class file this method

   124      * returns {@code null}.

   125      *

   126      * @return the access level

   127      */

   128     Modifier getAccessLevel();

   130 }

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