Wed, 08 Oct 2014 14:16:40 -0700
Merge
1 /*
2 * Copyright (c) 2005, 2006, 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 java.util.Set;
29 import java.io.InputStream;
30 import java.io.OutputStream;
31 import javax.lang.model.SourceVersion;
33 /**
34 * Common interface for tools that can be invoked from a program.
35 * A tool is traditionally a command line program such as a compiler.
36 * The set of tools available with a platform is defined by the
37 * vendor.
38 *
39 * <p>Tools can be located using {@link
40 * java.util.ServiceLoader#load(Class)}.
41 *
42 * @author Neal M Gafter
43 * @author Peter von der Ahé
44 * @author Jonathan Gibbons
45 * @since 1.6
46 */
47 public interface Tool {
49 /**
50 * Run the tool with the given I/O channels and arguments. By
51 * convention a tool returns 0 for success and nonzero for errors.
52 * Any diagnostics generated will be written to either {@code out}
53 * or {@code err} in some unspecified format.
54 *
55 * @param in "standard" input; use System.in if null
56 * @param out "standard" output; use System.out if null
57 * @param err "standard" error; use System.err if null
58 * @param arguments arguments to pass to the tool
59 * @return 0 for success; nonzero otherwise
60 * @throws NullPointerException if the array of arguments contains
61 * any {@code null} elements.
62 */
63 int run(InputStream in, OutputStream out, OutputStream err, String... arguments);
65 /**
66 * Gets the source versions of the Java™ programming language
67 * supported by this tool.
68 * @return a set of supported source versions
69 */
70 Set<SourceVersion> getSourceVersions();
72 }