/*
 * Copyright 2004-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */


import com.sun.mirror.apt.*;
import com.sun.mirror.declaration.*;
import com.sun.mirror.type.*;
import com.sun.mirror.util.*;

import java.util.Collection;
import java.util.Set;
import java.util.Arrays;

import java.io.File;

import static java.util.Collections.*;
import static com.sun.mirror.util.DeclarationVisitors.*;

/*
 * Factory to help test updated discovery policy.
 */
public class Round1Apf implements AnnotationProcessorFactory {
    // Process @Round1
    private static final Collection<String> supportedAnnotations
        = unmodifiableCollection(Arrays.asList("Round1"));

    // No supported options
    private static final Collection<String> supportedOptions = emptySet();

    public Collection<String> supportedAnnotationTypes() {
        return supportedAnnotations;
    }

    public Collection<String> supportedOptions() {
        return supportedOptions;
    }

    private static int round = 0;

    public AnnotationProcessor getProcessorFor(
            Set<AnnotationTypeDeclaration> atds,
            AnnotationProcessorEnvironment env) {
        return new Round1Ap(env, atds.size() == 0);
    }

    private static class Round1Ap implements AnnotationProcessor, RoundCompleteListener {
        private final AnnotationProcessorEnvironment env;
	private final boolean empty;

        Round1Ap(AnnotationProcessorEnvironment env, boolean empty) {
            this.env = env;
	    this.empty = empty;
        }

        public void process() {
	    Round1Apf.round++;
	    try {
		if (!empty) {
		    Filer f = env.getFiler();
		    f.createSourceFile("Dummy2").println("@Round2 class Dummy2{}");
		    f.createTextFile(Filer.Location.SOURCE_TREE,
				     "",
				     new File("foo.txt"),
				     null).println("xxyzzy");
		    f.createClassFile("Vacant");
		    f.createBinaryFile(Filer.Location.CLASS_TREE,
				       "",
				       new File("onezero"));
		}
	    } catch (java.io.IOException ioe) {
		throw new RuntimeException(ioe);
	    }

	    System.out.println("Round1Apf: " + round);
	    env.addListener(this);
        }

	public void roundComplete(RoundCompleteEvent event) {
	    RoundState rs = event.getRoundState();

	    if (event.getSource() != this.env)
		throw new RuntimeException("Wrong source!");

	    Filer f = env.getFiler();
	    try {
		f.createSourceFile("AfterTheBell").println("@Round2 class AfterTheBell{}");
		throw new RuntimeException("Inappropriate source file creation.");
	    } catch (java.io.IOException ioe) {}


	    System.out.printf("\t[final round: %b, error raised: %b, "+
			      "source files created: %b, class files created: %b]%n", 
			      rs.finalRound(),
			      rs.errorRaised(),
			      rs.sourceFilesCreated(),
			      rs.classFilesCreated());

	    System.out.println("Round1Apf: " + round + " complete");
	}
    }
}