TestSourceVersionWarnings.java revision 2933:49d207bf704d 
1/*
2 * Copyright (c) 2006, 2015, 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 */
23
24/*
25 * @test
26 * @bug 6376083 6376084 6458819 7025784 7025786 7025789
27 * @summary Test that warnings about source versions are output as expected.
28 * @author  Joseph D. Darcy
29 * @modules java.compiler
30 *          jdk.compiler
31 * @compile TestSourceVersionWarnings.java
32 * @compile/ref=gold_0.out             -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only                           -source 1.6 -Xlint:-options HelloWorld.java
33 * @compile/ref=gold_sv_warn_5_6.out   -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_5 -source 1.6 -Xlint:-options HelloWorld.java
34 * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_6 -source 1.6 -Xlint:-options HelloWorld.java
35 * @compile/ref=gold_unsp_warn.out     -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_6 -source 1.6 -Xlint:-options -Aunsupported HelloWorld.java
36 * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_7 -source 1.7 -Xlint:-options HelloWorld.java
37 * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_8 -source 1.8 -Xlint:-options HelloWorld.java
38 */
39
40import java.util.Set;
41import java.util.HashSet;
42import java.util.Arrays;
43import javax.annotation.processing.*;
44import javax.lang.model.SourceVersion;
45import static javax.lang.model.SourceVersion.*;
46import javax.lang.model.element.*;
47import javax.lang.model.util.*;
48import static javax.tools.Diagnostic.Kind.*;
49
50/**
51 * This processor returns the supported source level as indicated by
52 * the "SourceLevel" option; therefore, don't use
53 * JavacTestingAbstractProcessor which returns the latest source
54 * level.
55 */
56@SupportedAnnotationTypes("*")
57@SupportedOptions("SourceVersion")
58public class TestSourceVersionWarnings extends AbstractProcessor {
59
60    @Override
61    public SourceVersion getSupportedSourceVersion() {
62        String sourceVersion = processingEnv.getOptions().get("SourceVersion");
63        if (sourceVersion == null) {
64            processingEnv.getMessager().printMessage(WARNING,
65                                                     "No SourceVersion option given");
66            return SourceVersion.RELEASE_6;
67        } else {
68            return SourceVersion.valueOf(sourceVersion);
69        }
70    }
71
72    public boolean process(Set<? extends TypeElement> annotations,
73                           RoundEnvironment roundEnvironment) {
74        return true;
75    }
76}
77