/*

 * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved.

 * 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.

 */

/*

 * JSR 269 annotation processor to test combined apt + JSR 269

 * annotation processor file generation and option passing.

 */

import javax.annotation.processing.*;

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

import javax.lang.model.element.*;

import javax.lang.model.type.*;

import javax.lang.model.util.*;

import java.util.*;

import java.io.*;

@SupportedAnnotationTypes("*")  // Process all annotations

@SupportedSourceVersion(RELEASE_6)

public class PhantomUpdate extends AbstractProcessor {

    boolean firstRound = true;

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

                           RoundEnvironment roundEnv) {

        if (firstRound) {

            verifyOptions();

            printGoodbyeWorld();

            firstRound = false;

        }

        return true; // Claim all annotations

    }

    /*

     * Expected options are "foo" and "bar=baz".

     */

    private void verifyOptions() {

        Map<String, String> actualOptions = processingEnv.getOptions();

        Map<String, String> expectedOptions = new LinkedHashMap<String, String>();

        expectedOptions.put("foo", null);

        expectedOptions.put("bar", "baz");

        if (!actualOptions.equals(expectedOptions) ) {

            System.err.println("Expected options " + expectedOptions +

                               "\n but got " + actualOptions);

            throw new RuntimeException("Options mismatch");

        }

    }

    private void printGoodbyeWorld() {

        try {

            // Create new source file

            PrintWriter pw = new PrintWriter(processingEnv.getFiler().createSourceFile("GoodbyeWorld").openWriter());

            pw.println("public class GoodbyeWorld {");

            pw.println("  // PhantomUpdate Goodbye world");

            pw.println("  public static void main(String argv[]) {");

            pw.println("    System.out.println(\"Goodbye World\");");

            pw.println("  }");

            pw.println("}");

            pw.close();

        } catch (Exception e) {

            throw new RuntimeException(e);

        }

    }

}