1 /*
   2  * Copyright (c) 2005, 2014, 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  */
  25 
  26 package com.sun.tools.javap; //javax.tools;
  27 
  28 import java.io.Writer;
  29 import java.nio.charset.Charset;
  30 import java.util.Locale;
  31 import java.util.concurrent.Callable;
  32 import javax.tools.Diagnostic;
  33 import javax.tools.DiagnosticListener;
  34 import javax.tools.JavaFileManager;
  35 import javax.tools.JavaFileObject;
  36 import javax.tools.OptionChecker;
  37 import javax.tools.StandardJavaFileManager;
  38 import javax.tools.StandardLocation;
  39 import javax.tools.Tool;
  40 
  41 /**
  42  * This class is intended to be put in javax.tools.
  43  *
  44  * @see DiagnosticListener
  45  * @see Diagnostic
  46  * @see JavaFileManager
  47  * @since 1.7
  48  *
  49  *  <p><b>This is NOT part of any supported API.
  50  *  If you write code that depends on this, you do so at your own risk.
  51  *  This code and its internal interfaces are subject to change or
  52  *  deletion without notice.</b>
  53  */
  54 public interface DisassemblerTool extends Tool, OptionChecker {
  55 
  56     /**
  57      * Creates a future for a disassembly task with the given
  58      * components and arguments.  The task might not have
  59      * completed as described in the DissemblerTask interface.
  60      *
  61      * <p>If a file manager is provided, it must be able to handle all
  62      * locations defined in {@link StandardLocation}.
  63      *
  64      * @param out a Writer for additional output from the compiler;
  65      * use {@code System.err} if {@code null}
  66      * @param fileManager a file manager; if {@code null} use the
  67      * compiler's standard filemanager
  68      * @param diagnosticListener a diagnostic listener; if {@code
  69      * null} use the compiler's default method for reporting
  70      * diagnostics
  71      * @param options compiler options, {@code null} means no options
  72      * @param classes class names (for annotation processing), {@code
  73      * null} means no class names
  74      * @return a task to perform the disassembly
  75      * @throws RuntimeException if an unrecoverable error
  76      * occurred in a user supplied component.  The
  77      * {@linkplain Throwable#getCause() cause} will be the error in
  78      * user code.
  79      * @throws IllegalArgumentException if any of the given
  80      * compilation units are of other kind than
  81      * {@linkplain JavaFileObject.Kind#SOURCE source}
  82      */
  83     DisassemblerTask getTask(Writer out,
  84                             JavaFileManager fileManager,
  85                             DiagnosticListener<? super JavaFileObject> diagnosticListener,
  86                             Iterable<String> options,
  87                             Iterable<String> classes);
  88 
  89     /**
  90      * Returns a new instance of the standard file manager implementation
  91      * for this tool.  The file manager will use the given diagnostic
  92      * listener for producing any non-fatal diagnostics.  Fatal errors
  93      * will be signalled with the appropriate exceptions.
  94      *
  95      * <p>The standard file manager will be automatically reopened if
  96      * it is accessed after calls to {@code flush} or {@code close}.
  97      * The standard file manager must be usable with other tools.
  98      *
  99      * @param diagnosticListener a diagnostic listener for non-fatal
 100      * diagnostics; if {@code null} use the compiler's default method
 101      * for reporting diagnostics
 102      * @param locale the locale to apply when formatting diagnostics;
 103      * {@code null} means the {@linkplain Locale#getDefault() default locale}.
 104      * @param charset the character set used for decoding bytes; if
 105      * {@code null} use the platform default
 106      * @return the standard file manager
 107      */
 108     StandardJavaFileManager getStandardFileManager(
 109         DiagnosticListener<? super JavaFileObject> diagnosticListener,
 110         Locale locale,
 111         Charset charset);
 112 
 113     /**
 114      * Interface representing a future for a disassembly task.  The
 115      * task has not yet started.  To start the task, call
 116      * the {@linkplain #call call} method.
 117      *
 118      * <p>Before calling the call method, additional aspects of the
 119      * task can be configured, for example, by calling the
 120      * {@linkplain #setLocale setLocale} method.
 121      */
 122     interface DisassemblerTask extends Callable<Boolean> {
 123 
 124         /**
 125          * Set the locale to be applied when formatting diagnostics and
 126          * other localized data.
 127          *
 128          * @param locale the locale to apply; {@code null} means apply no
 129          * locale
 130          * @throws IllegalStateException if the task has started
 131          */
 132         void setLocale(Locale locale);
 133 
 134         /**
 135          * Performs this compilation task.  The compilation may only
 136          * be performed once.  Subsequent calls to this method throw
 137          * IllegalStateException.
 138          *
 139          * @return true if and only all the files compiled without errors;
 140          * false otherwise
 141          *
 142          * @throws RuntimeException if an unrecoverable error occurred
 143          * in a user-supplied component.  The
 144          * {@linkplain Throwable#getCause() cause} will be the error
 145          * in user code.
 146          * @throws IllegalStateException if called more than once
 147          */
 148         Boolean call();
 149     }
 150 }