/* 
 * Copyright (c) 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.
 */
/*
 * @test 1.2 07/04/09
 * @bug 6287579
 * @summary Make sure that getContents() of ListResourceBundle subclasses is 'protected'
 *          and returns a different Object[]][] instance in each invocation.
 */

import java.lang.reflect.*;
import java.util.*;

public class Bug6287579 {
    static final Locale ROOT = new Locale("");

    static final String[] baseNames = {
	"sun.text.resources.BreakIteratorInfo",
	"sun.text.resources.FormatData",
	"sun.text.resources.CollationData",
	"sun.util.resources.LocaleNames",
	"sun.util.resources.TimeZoneNames",

	// Make sure the properties-to-class conversion tool generates
	// the proper getContents().
	"sun.awt.resources.awt",
    };

    public static void main(String[] args) throws Exception {
	int errors = 0;

	List<Locale> locales = new ArrayList<Locale>();
	locales.addAll(Arrays.asList(Locale.getAvailableLocales()));
	locales.add(ROOT);

	for (Locale locale : locales) {
	    for (String base : baseNames) {
		String className = getResourceName(base, locale);
		errors += checkGetContents(className);
	    }
	}
	if (errors > 0) {
	    throw new RuntimeException(errors + " errors found");
	}
    }

    static int checkGetContents(String className) throws Exception {
	int err = 0;
	try {
	    Class clazz = Class.forName(className);
	    Method getContentsMethod = clazz.getDeclaredMethod("getContents",
							       (Class[]) null);
	    if (!Modifier.isProtected(getContentsMethod.getModifiers())) {
		System.err.println(className + ": not protected");
		err++;
	    }
	    getContentsMethod.setAccessible(true);
	    Object bundle = clazz.newInstance();
	    Object o1 = getContentsMethod.invoke(bundle, (Object[]) null);
	    Object o2 = getContentsMethod.invoke(bundle, (Object[]) null);
	    if (o1 == o2) {
		System.err.println(className + ": same instance returned");
		err++;
	    }
	} catch (ClassNotFoundException ce) {
	    // Skip nonexistent classes
	} catch (NoSuchMethodException me) {
	    System.out.println(className + ": no declared getContents()");
	}
	return err;
    }

    static String getResourceName(String base, Locale locale) {
	if (locale.equals(ROOT)) {
	    return base;
	}
	StringBuilder sb = new StringBuilder(base);
	sb.append('_').append(locale.getLanguage());
	if (locale.getCountry().length() > 0
	    || locale.getVariant().length() > 0) {
	    sb.append('_').append(locale.getCountry());
	}
	if (locale.getVariant().length() > 0) {
	    sb.append('_').append(locale.getVariant());
	}
	return sb.toString();
    }	
}