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 *

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 * published by the Free Software Foundation.

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

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 * 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

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 * 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,

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 *

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/**

 * @test

 * @bug 6597678 6449184

 * @summary Ensure Messages propogated between rounds

 * @library /tools/javac/lib

 * @build JavacTestingAbstractProcessor T6597678

 * @run main T6597678

 */

import java.io.*;

import java.util.*;

import javax.annotation.processing.RoundEnvironment;

import javax.annotation.processing.SupportedOptions;

import javax.lang.model.element.TypeElement;

import javax.tools.Diagnostic;

import com.sun.tools.javac.processing.JavacProcessingEnvironment;

import com.sun.tools.javac.util.Context;

import com.sun.tools.javac.util.JavacMessages;

import com.sun.tools.javac.util.Log;

@SupportedOptions("WriterString")

public class T6597678 extends JavacTestingAbstractProcessor {

    public static void main(String... args) throws Exception {

        new T6597678().run();

    }

    void run() throws Exception {

        String myName = T6597678.class.getSimpleName();

        File testSrc = new File(System.getProperty("test.src"));

        File file = new File(testSrc, myName + ".java");

        StringWriter sw = new StringWriter();

        PrintWriter pw = new PrintWriter(sw);

        compile(sw, pw,

            "-proc:only",

            "-processor", myName,

            "-AWriterString=" + pw.toString(),

            file.getPath());

    }

    void compile(StringWriter sw, PrintWriter pw, String... args) throws Exception {

        int rc = com.sun.tools.javac.Main.compile(args, pw);

        pw.close();

        String out = sw.toString();

        if (!out.isEmpty())

            System.err.println(out);

        if (rc != 0)

            throw new Exception("compilation failed unexpectedly: rc=" + rc);

    }

    //---------------

    @Override

    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {

        Context context = ((JavacProcessingEnvironment) processingEnv).getContext();

        Log log = Log.instance(context);

        PrintWriter noteOut = log.getWriter(Log.WriterKind.NOTICE);

        PrintWriter warnOut = log.getWriter(Log.WriterKind.WARNING);

        PrintWriter errOut  = log.getWriter(Log.WriterKind.ERROR);

        Locale locale = context.get(Locale.class);

        JavacMessages messages = context.get(JavacMessages.messagesKey);

        round++;

        if (round == 1) {

            initialLocale = locale;

            initialMessages = messages;

            initialNoteWriter = noteOut;

            initialWarnWriter = warnOut;

            initialErrWriter  = errOut;

            String writerStringOpt = options.get("WriterString").intern();

            checkEqual("noteWriterString", noteOut.toString().intern(), writerStringOpt);

            checkEqual("warnWriterString", warnOut.toString().intern(), writerStringOpt);

            checkEqual("errWriterString",  errOut.toString().intern(),  writerStringOpt);

        } else {

            checkEqual("locale", locale, initialLocale);

            checkEqual("messages", messages, initialMessages);

            checkEqual("noteWriter", noteOut, initialNoteWriter);

            checkEqual("warnWriter", warnOut, initialWarnWriter);

            checkEqual("errWriter",  errOut,  initialErrWriter);

        }

        return true;

    }

    <T> void checkEqual(String label, T actual, T expected) {

        if (actual != expected)

            messager.printMessage(Diagnostic.Kind.ERROR,

                    "Unexpected value for " + label

                    + "; expected: " + expected

                    + "; found: " + actual);

    }

    int round = 0;

    Locale initialLocale;

    JavacMessages initialMessages;

    PrintWriter initialNoteWriter;

    PrintWriter initialWarnWriter;

    PrintWriter initialErrWriter;

}