Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2014 OW2 Chameleon
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.lang.management.*;

public class Main {
    public static void printStack(ThreadInfo info, final StringBuilder sb, final StackTraceElement[] stack) {
        int i = 0;
        for (final StackTraceElement element : stack) {
            sb.append("\tat ").append(element.toString());
            sb.append('\n');
            if (i == 0 && info.getLockInfo() != null) {
                final Thread.State ts = info.getThreadState();
                switch (ts) {
                case BLOCKED:
                    sb.append("\t-  blocked on ");
                    formatLock(sb, info.getLockInfo());
                    sb.append('\n');
                    break;
                case WAITING:
                    sb.append("\t-  waiting on ");
                    formatLock(sb, info.getLockInfo());
                    sb.append('\n');
                    break;
                case TIMED_WAITING:
                    sb.append("\t-  waiting on ");
                    formatLock(sb, info.getLockInfo());
                    sb.append('\n');
                    break;
                default:
                }
            }

            for (final MonitorInfo mi : info.getLockedMonitors()) {
                if (mi.getLockedStackDepth() == i) {
                    sb.append("\t-  locked ");
                    formatLock(sb, mi);
                    sb.append('\n');
                }
            }
            ++i;
        }

        final LockInfo[] locks = info.getLockedSynchronizers();
        if (locks.length > 0) {
            sb.append("\n\tNumber of locked synchronizers = ").append(locks.length).append('\n');
            for (final LockInfo li : locks) {
                sb.append("\t- ");
                formatLock(sb, li);
                sb.append('\n');
            }
        }
    }

    private static void formatLock(final StringBuilder sb, final LockInfo lock) {
        sb.append("<").append(lock.getIdentityHashCode()).append("> (a ");
        sb.append(lock.getClassName()).append(")");
    }
}