1 /*
   2  * Copyright (c) 2006, 2013, 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  * @compile TestSourceVersionWarnings.java
  30  * @compile/ref=gold_0.out             -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only                           -source 1.6 -Xlint:-options HelloWorld.java
  31  * @compile/ref=gold_sv_warn_5_6.out   -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_5 -source 1.6 -Xlint:-options HelloWorld.java
  32  * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_6 -source 1.6 -Xlint:-options HelloWorld.java
  33  * @compile/ref=gold_unsp_warn.out     -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_6 -source 1.6 -Xlint:-options -Aunsupported HelloWorld.java
  34  * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_7 -source 1.7 -Xlint:-options HelloWorld.java
  35  * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_8 -source 1.8 -Xlint:-options HelloWorld.java
  36  */
  37 
  38 import java.util.Set;
  39 import java.util.HashSet;
  40 import java.util.Arrays;
  41 import javax.annotation.processing.*;
  42 import javax.lang.model.SourceVersion;
  43 import static javax.lang.model.SourceVersion.*;
  44 import javax.lang.model.element.*;
  45 import javax.lang.model.util.*;
  46 import static javax.tools.Diagnostic.Kind.*;
  47 
  48 /**
  49  * This processor returns the supported source level as indicated by
  50  * the "SourceLevel" option; therefore, don't use
  51  * JavacTestingAbstractProcessor which returns the latest source
  52  * level.
  53  */
  54 @SupportedAnnotationTypes("*")
  55 @SupportedOptions("SourceVersion")
  56 public class TestSourceVersionWarnings extends AbstractProcessor {
  57 
  58     @Override
  59     public SourceVersion getSupportedSourceVersion() {
  60         String sourceVersion = processingEnv.getOptions().get("SourceVersion");
  61         if (sourceVersion == null) {
  62             processingEnv.getMessager().printMessage(WARNING,
  63                                                      "No SourceVersion option given");
  64             return SourceVersion.RELEASE_6;
  65         } else {
  66             return SourceVersion.valueOf(sourceVersion);
  67         }
  68     }
  69 
  70     public boolean process(Set<? extends TypeElement> annotations,
  71                            RoundEnvironment roundEnvironment) {
  72         return true;
  73     }
  74 }