Mon, 24 Jan 2011 15:44:51 +0000
6968793: issues with diagnostics
Summary: several diagnostic improvements
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2010, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 import java.io.*;
25 import java.util.*;
26 import javax.annotation.processing.*;
27 import javax.lang.model.*;
28 import javax.lang.model.element.*;
29 import javax.tools.*;
31 @SupportedAnnotationTypes("*")
32 public class AnnoProc extends AbstractProcessor {
33 public boolean process(Set<? extends TypeElement> elems, RoundEnvironment renv) {
34 if (++round == 1) {
35 Filer filer = processingEnv.getFiler();
36 Messager messager = processingEnv.getMessager();
37 try {
38 FileObject fo = filer.createSourceFile("HelloWorld.java");
39 try (Writer out = fo.openWriter()) {
40 out.write("class HelloWorld {\n");
41 out.write(" public static void main(String[] args) {\n");
42 out.write(" System.out.println(\"Hello World!\");\n");
43 out.write(" }\n");
44 out.write("}\n");
45 }
46 } catch (IOException e) {
47 messager.printMessage(Diagnostic.Kind.ERROR, e.toString());
48 }
49 }
50 return false;
51 }
53 public SourceVersion getSupportedSourceVersion() {
54 return SourceVersion.latest();
55 }
57 int round = 0;
58 }