/*

 * Copyright (c) 2012, 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

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 * questions.

 */

/*

 * @test

 * @bug 7159567

 * @summary Test of configuring a MemoryHandler sub-class handler target via logging.properties

 * @run main/othervm MemoryHandlerTest

 */

import java.io.File;

import java.io.IOException;

import java.util.logging.Handler;

import java.util.logging.Level;

import java.util.logging.LogManager;

import java.util.logging.LogRecord;

import java.util.logging.Logger;

import java.util.logging.MemoryHandler;

public class MemoryHandlerTest {

    static final String CFG_FILE_PROP = "java.util.logging.config.file";

    static final String LM_PROP_FNAME = "MemoryHandlerTest.props";

    static Logger logger;

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

        // load logging.propertes for the test

        String tstSrc = System.getProperty("test.src", ".");

        File fname = new File(tstSrc, LM_PROP_FNAME);

        String prop = fname.getCanonicalPath();

        System.setProperty(CFG_FILE_PROP, prop);

        LogManager logMgr = LogManager.getLogManager();

        // create a logger

        logger = Logger.getLogger(MemoryHandlerTest.class.getName());

        // don't have parent handlers get log messages

        logger.setUseParentHandlers(false);

        //

        // Test 1,2: create a CustomMemoryHandler which in the config has

        // specified a target of CustomTargetHandler.  (1) Make sure that it

        // is created and (2) that the target handler is loaded.

        //

        CustomMemoryHandler cmh = new CustomMemoryHandler();

        try {

            logger.addHandler(cmh);

        } catch (RuntimeException rte) {

            throw new RuntimeException(

                "Test Failed: did not load java.util.logging.ConsoleHandler as expected",

                rte);

        }

        // if we get here and our config has been processed properly, then we

        // should have loaded our target handler

        if (CustomTargetHandler.numLoaded !=1) {

            throw new RuntimeException(

                "Test failed: did not load CustomTargetHandler as expected");

        }

        //

        // Test 3: try to add a handler with no target.  This should fail with

        // an exception

        CustomMemoryHandlerNoTarget cmhnt = null;

        try {

            cmhnt = new CustomMemoryHandlerNoTarget();

        } catch (RuntimeException re) {

            // expected -- no target specified

            System.out.println("Info: " + re.getMessage() + " as expected.");

        }

        if (cmhnt != null) {

            throw new RuntimeException(

                "Test Failed: erroneously loaded CustomMemoryHandlerNoTarget");

        }

        // Test 4: log a message and check that the target handler is actually used

        logger.log(Level.WARNING, "Unused");

        if (CustomTargetHandler.numPublished != 1) {

            throw new RuntimeException("Test failed: CustomTargetHandler was not used");

        }

        // Test 5: make sure that SimpleTargetHandler hasn't been erroneously called

        if (SimpleTargetHandler.numPublished != 0) {

            throw new RuntimeException("Test failed: SimpleTargetHandler has been used");

        }

        // Test 6: try using SimpleTargetHanlder via standard MemoryHandler

        // (which has target set to SimpleTargetHandler)

        MemoryHandler mh = new MemoryHandler();

        mh.publish(new LogRecord(Level.INFO, "Unused msg to MemoryHandler"));

        // see if it made it to the SimpleTargetHandler

        if (SimpleTargetHandler.numPublished != 1) {

            throw new RuntimeException("Test failed: SimpleTargetHandler was not used");

        }

    }

    public static class CustomMemoryHandler extends MemoryHandler {

    }

    public static class CustomMemoryHandlerNoTarget extends MemoryHandler {

    }

    public static class CustomTargetHandler extends Handler {

        public static int numPublished;

        public static int numLoaded;

        public CustomTargetHandler() {

            numLoaded++;

        }

        @Override

        public void publish(LogRecord unused) {

            numPublished++;

        }

        @Override

        public void flush() {

        }

        @Override

        public void close() throws SecurityException {

        }

    }

    public static class SimpleTargetHandler extends Handler {

        public static int numPublished;

        @Override

        public void publish(LogRecord unused) {

            numPublished++;

        }

        @Override

        public void flush() {

        }

        @Override

        public void close() throws SecurityException {

        }

    }

}