langtools/src/share/classes/com/sun/tools/apt/Main.java
changeset 11914 d1311b0c757f
parent 11913 be61e1597cc6
parent 11872 c51754cddc03
child 11915 33f703959597
child 11986 6f383069eb6d
equal deleted inserted replaced
11913:be61e1597cc6 11914:d1311b0c757f
     1 /*
       
     2  * Copyright (c) 2004, 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.apt;
       
    27 
       
    28 import java.io.PrintWriter;
       
    29 import com.sun.mirror.apt.AnnotationProcessorFactory;
       
    30 
       
    31 /**
       
    32  * The main program for the command-line tool apt.
       
    33  *
       
    34  * <p>Nothing described in this source file is part of any supported
       
    35  * API.  If you write code that depends on this, you do so at your own
       
    36  * risk.  This code and its internal interfaces are subject to change
       
    37  * or deletion without notice.
       
    38  */
       
    39 public class Main {
       
    40 
       
    41     static {
       
    42         ClassLoader loader = Main.class.getClassLoader();
       
    43         if (loader != null)
       
    44             loader.setPackageAssertionStatus("com.sun.tools.apt", true);
       
    45     }
       
    46 
       
    47     /** Command line interface.  If args is <tt>null</tt>, a
       
    48      * <tt>NullPointerException</tt> is thrown.
       
    49      * @param args   The command line parameters.
       
    50      */
       
    51     public static void main(String... args) {
       
    52         System.exit(process(args));
       
    53     }
       
    54 
       
    55     /** Programatic interface.  If args is <tt>null</tt>, a
       
    56      * <tt>NullPointerException</tt> is thrown.
       
    57      * Output is directed to <tt>System.err</tt>.
       
    58      * @param args   The command line parameters.
       
    59      */
       
    60     public static int process(String... args) {
       
    61         return processing(null, null, args);
       
    62     }
       
    63 
       
    64     /** Programmatic interface.  If any argument
       
    65      * is <tt>null</tt>, a <tt>NullPointerException</tt> is thrown.
       
    66      * @param args   The command line parameters.
       
    67      * @param out    Where the tool's output is directed.
       
    68      */
       
    69     public static int process(PrintWriter out, String... args) {
       
    70         if (out == null)
       
    71             throw new NullPointerException("Parameter out cannot be null.");
       
    72         return processing(null, out, args);
       
    73     }
       
    74 
       
    75     /** Programmatic interface.  If <tt>factory</tt> or <tt>args</tt>
       
    76      * is <tt>null</tt>, a <tt>NullPointerException</tt> is thrown.
       
    77      * The &quot;<tt>-factory</tt>&quot; and &quot;<tt>-factorypath</tt>&quot;
       
    78      * command line parameters are ignored by this entry point.
       
    79      * Output is directed to <tt>System.err</tt>.
       
    80      *
       
    81      * @param factory The annotation processor factory to use
       
    82      * @param args    The command line parameters.
       
    83      */
       
    84     public static int process(AnnotationProcessorFactory factory, String... args) {
       
    85         return process(factory, new PrintWriter(System.err, true), args);
       
    86     }
       
    87 
       
    88     /** Programmatic interface.  If any argument
       
    89      * is <tt>null</tt>, a <tt>NullPointerException</tt> is thrown.
       
    90      * The &quot;<tt>-factory</tt>&quot; and &quot;<tt>-factorypath</tt>&quot;
       
    91      * command line parameters are ignored by this entry point.
       
    92      *
       
    93      * @param factory The annotation processor factory to use
       
    94      * @param args   The command line parameters.
       
    95      * @param out    Where the tool's output is directed.
       
    96      */
       
    97     public static int process(AnnotationProcessorFactory factory, PrintWriter out,
       
    98                               String... args) {
       
    99         if (out == null)
       
   100             throw new NullPointerException("Parameter out cannot be null.");
       
   101         if (factory == null)
       
   102             throw new NullPointerException("Parameter factory cannot be null");
       
   103         return processing(factory, out, args);
       
   104     }
       
   105 
       
   106     private static int processing(AnnotationProcessorFactory factory,
       
   107                                   PrintWriter out,
       
   108                                   String... args) {
       
   109         if (out == null)
       
   110             out = new PrintWriter(System.err, true);
       
   111         com.sun.tools.apt.main.Main compiler =
       
   112             new com.sun.tools.apt.main.Main("apt", out);
       
   113         return compiler.compile(args, factory);
       
   114     }
       
   115 }