/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @summary Test that warnings about source versions are output as expected.

 * @author  Joseph D. Darcy

 * @compile TestSourceVersionWarnings.java

 * @compile/ref=gold_0.out             -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only                           -source 1.5 -Xlint:-options HelloWorld.java

 * @compile/ref=gold_sv_warn_0_2.out   -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_0 -source 1.2 -Xlint:-options HelloWorld.java

 * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_2 -source 1.2 -Xlint:-options HelloWorld.java

 * @compile/ref=gold_sv_warn_2_3.out   -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_2 -source 1.3 -Xlint:-options HelloWorld.java

 * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_5 -source 1.5 -Xlint:-options HelloWorld.java

 * @compile/ref=gold_sv_warn_5_6.out   -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_5 -source 1.6 -Xlint:-options HelloWorld.java

 * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_6 -source 1.6 -Xlint:-options HelloWorld.java

 * @compile/ref=gold_unsp_warn.out     -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_6 -source 1.6 -Xlint:-options -Aunsupported HelloWorld.java

 */

import java.util.Set;

import java.util.HashSet;

import java.util.Arrays;

import javax.annotation.processing.*;

import javax.lang.model.SourceVersion;

import static javax.lang.model.SourceVersion.*;

import javax.lang.model.element.*;

import javax.lang.model.util.*;

import static javax.tools.Diagnostic.Kind.*;

/**

 * This processor returns the supported source level as indicated by

 * the "SourceLevel" option; therefore, don't use

 */

@SupportedAnnotationTypes("*")

@SupportedOptions("SourceVersion")

public class TestSourceVersionWarnings extends AbstractProcessor {

    @Override

    public SourceVersion getSupportedSourceVersion() {

        String sourceVersion = processingEnv.getOptions().get("SourceVersion");

        if (sourceVersion == null) {

            processingEnv.getMessager().printMessage(WARNING,

                                                     "No SourceVersion option given");

            return SourceVersion.RELEASE_6;

        } else {

            return SourceVersion.valueOf(sourceVersion);

        }

    }

    public boolean process(Set<? extends TypeElement> annotations,

                           RoundEnvironment roundEnvironment) {

        return true;

    }

}