/*

 * Copyright (c) 2004, 2005, 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.

 */

/*

 * @test

 * @bug     4982289

 * @summary Test ThreadInfo.from to return a valid

 *          ThreadInfo object. Or throw exception if

 *          the input CompositeData is invalid.

 * @author  Mandy Chung

 *

 * @compile OpenTypeConverter.java

 * @build ThreadInfoCompositeData

 * @run main ThreadInfoCompositeData

 */

import javax.management.openmbean.*;

import java.lang.management.LockInfo;

import java.lang.management.MonitorInfo;

import java.lang.management.ThreadInfo;

public class ThreadInfoCompositeData {

    private static StackTraceElement[] ste = new StackTraceElement[1];

    private static CompositeData[] steCD = new CompositeData[1];

    private static String lockClassName = "myClass";

    private static int lockIdentityHashCode = 123456;

    private static String lockName = lockClassName + '@' +

        Integer.toHexString(lockIdentityHashCode);

    private static LockInfo lockInfo =

        new LockInfo(lockClassName, lockIdentityHashCode);

    public static void main(String[] argv) throws Exception {

        // A valid CompositeData is passed to ThreadInfo

        createGoodCompositeData();

        // A valid CompositeData for JDK 5.0 ThreadInfo

        // is passed to ThreadInfo

        createV5ThreadInfo();

        // An invalid CompositeData is passed to ThreadInfo.from()

        badNameCompositeData();

        badTypeCompositeData();

        System.out.println("Test passed");

    }

    public static void createGoodCompositeData() throws Exception {

        CompositeType ct =

            new CompositeType("MyCompositeType",

                              "CompositeType for ThreadInfo",

                              validItemNames,

                              validItemNames,

                              validItemTypes);

        CompositeData cd =

            new CompositeDataSupport(ct,

                                     validItemNames,

                                     values);

        ThreadInfo info = ThreadInfo.from(cd);

        checkThreadInfo(info);

   }

    public static void createV5ThreadInfo() throws Exception {

        String[] v5ItemNames = new String[NUM_V5_ATTS];

        OpenType[] v5ItemTypes = new OpenType[NUM_V5_ATTS];

        Object[] v5ItemValues = new Object[NUM_V5_ATTS];

        for (int i = 0; i < NUM_V5_ATTS; i++) {

            v5ItemNames[i] = validItemNames[i];

            v5ItemTypes[i] = validItemTypes[i];

            v5ItemValues[i] = values[i];

        }

        CompositeType ct =

            new CompositeType("MyCompositeType",

                              "CompositeType for JDK 5.0 ThreadInfo",

                              v5ItemNames,

                              v5ItemNames,

                              v5ItemTypes);

        CompositeData cd =

            new CompositeDataSupport(ct,

                                     v5ItemNames,

                                     v5ItemValues);

        ThreadInfo info = ThreadInfo.from(cd);

        checkThreadInfo(info);

   }

   static void checkThreadInfo(ThreadInfo info) throws Exception {

        if (info.getThreadId() != ((Long) values[THREAD_ID]).longValue()) {

            throw new RuntimeException("Thread Id = " + info.getThreadId() +

               " expected = " + values[THREAD_ID]);

        }

        if (!info.getThreadName().equals(values[THREAD_NAME])) {

            throw new RuntimeException("Thread Name = " +

               info.getThreadName() + " expected = " + values[THREAD_NAME]);

        }

        if (info.getThreadState() != Thread.State.RUNNABLE) {

            throw new RuntimeException("Thread Name = " +

               info.getThreadName() + " expected = " + Thread.State.RUNNABLE);

        }

        if (info.getBlockedTime() != ((Long) values[BLOCKED_TIME]).longValue()) {

            throw new RuntimeException("blocked time = " +

               info.getBlockedTime() +

               " expected = " + values[BLOCKED_TIME]);

        }

        if (info.getBlockedCount() != ((Long) values[BLOCKED_COUNT]).longValue()) {

            throw new RuntimeException("blocked count = " +

               info.getBlockedCount() +

               " expected = " + values[BLOCKED_COUNT]);

        }

        if (info.getWaitedTime() != ((Long) values[WAITED_TIME]).longValue()) {

            throw new RuntimeException("waited time = " +

               info.getWaitedTime() +

               " expected = " + values[WAITED_TIME]);

        }

        if (info.getWaitedCount() != ((Long) values[WAITED_COUNT]).longValue()) {

            throw new RuntimeException("waited count = " +

               info.getWaitedCount() +

               " expected = " + values[WAITED_COUNT]);

        }

        if (!info.getLockName().equals(values[LOCK_NAME])) {

            throw new RuntimeException("Lock Name = " +

               info.getLockName() + " expected = " + values[LOCK_NAME]);

        }

        if (info.getLockOwnerId() !=

                ((Long) values[LOCK_OWNER_ID]).longValue()) {

            throw new RuntimeException(

               "LockOwner Id = " + info.getLockOwnerId() +

               " expected = " + values[LOCK_OWNER_ID]);

        }

        if (!info.getLockOwnerName().equals(values[LOCK_OWNER_NAME])) {

            throw new RuntimeException("LockOwner Name = " +

               info.getLockOwnerName() + " expected = " +

               values[LOCK_OWNER_NAME]);

        }

        checkStackTrace(info.getStackTrace());

        checkLockInfo(info.getLockInfo());

    }

    private static void checkStackTrace(StackTraceElement[] s)

        throws Exception {

        if (ste.length != s.length) {

            throw new RuntimeException("Stack Trace length = " +

                s.length + " expected = " + ste.length);

        }

        StackTraceElement s1 = ste[0];

        StackTraceElement s2 = s[0];

        if (!s1.getClassName().equals(s2.getClassName())) {

            throw new RuntimeException("Class name = " +

                s2.getClassName() + " expected = " + s1.getClassName());

        }

        if (!s1.getMethodName().equals(s2.getMethodName())) {

            throw new RuntimeException("Method name = " +

                s2.getMethodName() + " expected = " + s1.getMethodName());

        }

        if (!s1.getFileName().equals(s2.getFileName())) {

            throw new RuntimeException("File name = " +

                s2.getFileName() + " expected = " + s1.getFileName());

        }

        if (s1.getLineNumber() != s2.getLineNumber()) {

            throw new RuntimeException("Line number = " +

                s2.getLineNumber() + " expected = " + s1.getLineNumber());

        }

    }

    private static void checkLockInfo(LockInfo li)

        throws Exception {

        if (!li.getClassName().equals(lockInfo.getClassName())) {

            throw new RuntimeException("Class Name = " +

                li.getClassName() + " expected = " + lockInfo.getClassName());

        }

        if (li.getIdentityHashCode() != lockInfo.getIdentityHashCode()) {

            throw new RuntimeException("Class Name = " +

                li.getIdentityHashCode() + " expected = " +

                lockInfo.getIdentityHashCode());

        }

    }

    public static void badNameCompositeData() throws Exception {

        CompositeType ct =

            new CompositeType("MyCompositeType",

                              "CompositeType for ThreadInfo",

                              badItemNames,

                              badItemNames,

                              validItemTypes);

        CompositeData cd =

            new CompositeDataSupport(ct,

                                     badItemNames,

                                     values);

        try {

            ThreadInfo info = ThreadInfo.from(cd);

        } catch (IllegalArgumentException e) {

            System.out.println("Expected exception: " +

                e.getMessage());

            return;

        }

        throw new RuntimeException(

            "IllegalArgumentException not thrown");

    }

    public static void badTypeCompositeData() throws Exception {

        CompositeType ct =

            new CompositeType("MyCompositeType",

                              "CompositeType for ThreadInfo",

                              validItemNames,

                              validItemNames,

                              badItemTypes);

        // patch values[STACK_TRACE] to Long

        values[STACK_TRACE] = new Long(1000);

        values[LOCK_INFO] = new Long(1000);

        CompositeData cd =

            new CompositeDataSupport(ct,

                                     validItemNames,

                                     values);

        try {

            ThreadInfo info = ThreadInfo.from(cd);

        } catch (IllegalArgumentException e) {

            System.out.println("Expected exception: " +

                e.getMessage());

            return;

        }

        throw new RuntimeException(

            "IllegalArgumentException not thrown");

    }

    private static final int THREAD_ID       = 0;

    private static final int THREAD_NAME     = 1;

    private static final int THREAD_STATE    = 2;

    private static final int BLOCKED_TIME    = 3;

    private static final int BLOCKED_COUNT   = 4;

    private static final int WAITED_TIME     = 5;

    private static final int WAITED_COUNT    = 6;

    private static final int LOCK_NAME       = 7;

    private static final int LOCK_OWNER_ID   = 8;

    private static final int LOCK_OWNER_NAME = 9;

    private static final int STACK_TRACE     = 10;

    private static final int SUSPENDED       = 11;

    private static final int IN_NATIVE       = 12;

    private static final int NUM_V5_ATTS     = 13;

    private static final int LOCK_INFO       = 13;

    private static final String[] validItemNames = {

        "threadId",

        "threadName",

        "threadState",

        "blockedTime",

        "blockedCount",

        "waitedTime",

        "waitedCount",

        "lockName",

        "lockOwnerId",

        "lockOwnerName",

        "stackTrace",

        "suspended",

        "inNative",

        "lockInfo",

    };

    private static OpenType[] validItemTypes = {

        SimpleType.LONG,

        SimpleType.STRING,

        SimpleType.STRING,

        SimpleType.LONG,

        SimpleType.LONG,

        SimpleType.LONG,

        SimpleType.LONG,

        SimpleType.STRING,

        SimpleType.LONG,

        SimpleType.STRING,

        null,  // ArrayType for StackTraceElement[]

        SimpleType.BOOLEAN,

        SimpleType.BOOLEAN,

        null,  // CompositeType for LockInfo

    };

    private static Object[] values = {

        new Long(100),

        "FooThread",

        "RUNNABLE",

        new Long(200),

        new Long(10),

        new Long(300),

        new Long(20),

        lockName,

        new Long(99),

        "BarThread",

        steCD,

        new Boolean(false),

        new Boolean(false),

        null, // To be initialized to lockInfoCD

    };

    private static final String[] steItemNames = {

        "className",

        "methodName",

        "fileName",

        "lineNumber",

        "nativeMethod",

    };

    private static final String[] lockInfoItemNames = {

        "className",

        "identityHashCode",

    };

    static {

        // create stack trace element

        ste[0] = new StackTraceElement("FooClass", "getFoo", "Foo.java", 100);

        // initialize the ste[0] and values and validItemTypes

        try {

            CompositeType steCType = (CompositeType)

                OpenTypeConverter.toOpenType(StackTraceElement.class);

            validItemTypes[STACK_TRACE] = new ArrayType(1, steCType);

            final Object[] steValue = {

                ste[0].getClassName(),

                ste[0].getMethodName(),

                ste[0].getFileName(),

                new Integer(ste[0].getLineNumber()),

                new Boolean(ste[0].isNativeMethod()),

            };

            steCD[0] =

                new CompositeDataSupport(steCType,

                                         steItemNames,

                                         steValue);

            CompositeType lockInfoCType = (CompositeType)

                OpenTypeConverter.toOpenType(LockInfo.class);

            validItemTypes[LOCK_INFO] = lockInfoCType;

            final Object[] lockInfoValue = {

                lockInfo.getClassName(),

                lockInfo.getIdentityHashCode(),

            };

            values[LOCK_INFO] =

                new CompositeDataSupport(lockInfoCType,

                                         lockInfoItemNames,

                                         lockInfoValue);

        } catch (Exception e) {

            throw new RuntimeException(e);

        }

    }

    private static final String[] badItemNames = {

        "threadId",

        "threadName",

        "threadState",

        "blockedTime",

        "blockedCount",

        "waitedTime",

        "waitedCount",

        "lockName",

        "lockOwnerId",

        "lockOwnerName",

        "BadStackTrace", // bad item name

        "suspended",

        "inNative",

        "lockInfo",

    };

    private static final OpenType[] badItemTypes = {

        SimpleType.LONG,

        SimpleType.STRING,

        SimpleType.STRING,

        SimpleType.LONG,

        SimpleType.LONG,

        SimpleType.LONG,

        SimpleType.LONG,

        SimpleType.STRING,

        SimpleType.LONG,

        SimpleType.STRING,

        SimpleType.LONG,  // bad type

        SimpleType.BOOLEAN,

        SimpleType.BOOLEAN,

        SimpleType.LONG,  // bad type

    };

}