Java Code Examples for javax.management.openmbean.CompositeData#get()

public static MonitorInfo from(CompositeData cd) {
    try {
        CompositeData stecd = (CompositeData) cd.get("lockedStackFrame");
        StackTraceElement ste = new StackTraceElement(
                (String) stecd.get("className"),
                (String) stecd.get("methodName"),
                (String) stecd.get("fileName"),
                (Integer) stecd.get("lineNumber"));
        return new MonitorInfo(
                (String) cd.get("className"),
                (Integer) cd.get("identityHashCode"),
                (Integer) cd.get("lockedStackDepth"),
                ste);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

Object fromCompositeData(CompositeData cd,
                         String[] itemNames,
                         MXBeanMapping[] converters)
        throws InvalidObjectException {
    Object o;
    try {
        final Class<?> targetClass = getTargetClass();
        ReflectUtil.checkPackageAccess(targetClass);
        o = targetClass.newInstance();
        for (int i = 0; i < itemNames.length; i++) {
            if (cd.containsKey(itemNames[i])) {
                Object openItem = cd.get(itemNames[i]);
                Object javaItem =
                    converters[i].fromOpenValue(openItem);
                MethodUtil.invoke(setters[i], o, new Object[] {javaItem});
            }
        }
    } catch (Exception e) {
        throw invalidObjectException(e);
    }
    return o;
}
 

protected static StringBuffer recurseCompositeData(StringBuffer buffer, String indent, String name,
		CompositeData data) {
	indent = addNameToBuffer(buffer, indent, name);
	for (Iterator i = data.getCompositeType().keySet().iterator(); i.hasNext();) {
		String key = (String) i.next();
		Object o = data.get(key);
		if (o instanceof CompositeData) {
			recurseCompositeData(buffer, indent + " ", key, (CompositeData) o);
		} else if (o instanceof TabularData) {
			recurseTabularData(buffer, indent, key, (TabularData) o);
		} else {
			buffer.append(indent);
			buffer.append(key);
			buffer.append(": ");
			buffer.append(o);
			buffer.append("\n");
		}
	}
	return buffer;
}
 

Object fromCompositeData(CompositeData cd,
                         String[] itemNames,
                         MXBeanMapping[] converters)
        throws InvalidObjectException {
    Object o;
    try {
        final Class<?> targetClass = getTargetClass();
        ReflectUtil.checkPackageAccess(targetClass);
        o = targetClass.newInstance();
        for (int i = 0; i < itemNames.length; i++) {
            if (cd.containsKey(itemNames[i])) {
                Object openItem = cd.get(itemNames[i]);
                Object javaItem =
                    converters[i].fromOpenValue(openItem);
                MethodUtil.invoke(setters[i], o, new Object[] {javaItem});
            }
        }
    } catch (Exception e) {
        throw invalidObjectException(e);
    }
    return o;
}
 

private RecordingInfo(CompositeData cd) {
    id = (int) cd.get("id");
    name = (String) cd.get("name");
    state = (String) cd.get("state");
    dumpOnExit = (boolean) cd.get("dumpOnExit");
    size = (long) cd.get("size");
    disk = (boolean) cd.get("disk");
    maxAge = (Long) cd.get("maxAge");
    maxSize = (Long) cd.get("maxSize");
    startTime = (Long) cd.get("startTime");
    stopTime = (Long) cd.get("stopTime");
    destination = (String) cd.get("destination");
    durationInSeconds = (long) cd.get("duration");
    settings = new LinkedHashMap<>();
    Object map = cd.get("settings");
    if (map instanceof TabularData) {
        TabularData td = (TabularData) map;
        List<String> keyNames = td.getTabularType().getIndexNames();
        int size = keyNames.size();
        for (Object keys : td.keySet()) {
            Object[] keyValues = ((List<?>) keys).toArray();
            for (int i = 0; i < size; i++) {
                String key = keyNames.get(i);
                Object value = keyValues[i];
                if (value instanceof String) {
                    settings.put(key, (String) value);
                }
            }
        }
    }
}
 

public static StackTraceElement getLockedStackFrame(CompositeData cd) {
    CompositeData ste = (CompositeData) cd.get(LOCKED_STACK_FRAME);
    if (ste != null) {
        return StackTraceElementCompositeData.from(ste);
    } else {
        return null;
    }
}
 

public static Map<String, MemoryUsage>
        getMemoryUsageAfterGc(CompositeData cd) {
    try {
        TabularData td = (TabularData) cd.get(MEMORY_USAGE_AFTER_GC);
        //return (Map<String,MemoryUsage>)
        return cast(memoryUsageMapType.toJavaTypeData(td));
    } catch (InvalidObjectException | OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

public static Map<String, MemoryUsage>
        getMemoryUsageAfterGc(CompositeData cd) {
    try {
        TabularData td = (TabularData) cd.get(MEMORY_USAGE_AFTER_GC);
        //return (Map<String,MemoryUsage>)
        return cast(memoryUsageMapType.toJavaTypeData(td));
    } catch (InvalidObjectException | OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

private SettingDescriptorInfo(CompositeData cd) {
    this.name = (String) cd.get("name");
    this.label = (String) cd.get("label");
    this.description = (String) cd.get("description");
    this.typeName = (String) cd.get("typeName");
    this.defaultValue = (String) cd.get("defaultValue");
    this.contentType = (String) cd.get("contentType");
}
 

public static StackTraceElement getLockedStackFrame(CompositeData cd) {
    CompositeData ste = (CompositeData) cd.get(LOCKED_STACK_FRAME);
    if (ste != null) {
        return StackTraceElementCompositeData.from(ste);
    } else {
        return null;
    }
}
 

public static Map<String, MemoryUsage>
        getMemoryUsageBeforeGc(CompositeData cd) {
    try {
        TabularData td = (TabularData) cd.get(MEMORY_USAGE_BEFORE_GC);
        return cast(memoryUsageMapType.toJavaTypeData(td));
    } catch (InvalidObjectException | OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

private ConfigurationInfo(CompositeData cd) {
    this.settings = createMap(cd.get("settings"));
    this.name = (String) cd.get("name");
    this.label = (String) cd.get("label");
    this.description = (String) cd.get("description");
    this.provider = (String) cd.get("provider");
    this.contents = (String) cd.get("contents");
}
 

public static Map<String, MemoryUsage>
        getMemoryUsageAfterGc(CompositeData cd) {
    try {
        TabularData td = (TabularData) cd.get(MEMORY_USAGE_AFTER_GC);
        //return (Map<String,MemoryUsage>)
        return cast(memoryUsageMapType.toJavaTypeData(td));
    } catch (InvalidObjectException | OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

/**
 * Allows for reconstruction via CompositeData.
 *
 * @param cd
 *            composite data
 * @return Client class instance
 */
public static Client from(CompositeData cd) {
    Client instance = null;
    if (cd.containsKey("id")) {
        String id = (String) cd.get("id");
        instance = new Client(id, (Long) cd.get("creationTime"), null);
        instance.setAttribute(PERMISSIONS, cd.get(PERMISSIONS));
    }
    if (cd.containsKey("attributes")) {
        AttributeStore attrs = (AttributeStore) cd.get("attributes");
        instance.setAttributes(attrs);
    }
    return instance;
}
 

public static void main(String[] args) throws Exception {
    MBeanServer mbs = MBeanServerFactory.newMBeanServer();
    ObjectName pointName = new ObjectName("a:type=Point");
    PointMXBean pointmx = new PointImpl();
    mbs.registerMBean(pointmx, pointName);
    Point point = new Point(1, 2);
    PointMXBean pointproxy =
        JMX.newMXBeanProxy(mbs, pointName, PointMXBean.class);
    Point point1 = pointproxy.identity(point);
    if (point1.getX() != point.getX() || point1.getY() != point.getY())
        throw new Exception("Point doesn't match");
    System.out.println("Point test passed");

    ObjectName evolveName = new ObjectName("a:type=Evolve");
    EvolveMXBean evolvemx = new EvolveImpl();
    mbs.registerMBean(evolvemx, evolveName);
    Evolve evolve =
        new Evolve(59, "tralala", Collections.singletonList("tiddly"));
    EvolveMXBean evolveProxy =
        JMX.newMXBeanProxy(mbs, evolveName, EvolveMXBean.class);
    Evolve evolve1 = evolveProxy.identity(evolve);
    if (evolve1.getOldInt() != evolve.getOldInt()
            || !evolve1.getNewString().equals(evolve.getNewString())
            || !evolve1.getNewerList().equals(evolve.getNewerList()))
        throw new Exception("Evolve doesn't match");
    System.out.println("Evolve test passed");

    ObjectName evolvedName = new ObjectName("a:type=Evolved");
    EvolveMXBean evolvedmx = new EvolveImpl();
    mbs.registerMBean(evolvedmx, evolvedName);
    CompositeType evolvedType =
        new CompositeType("Evolved", "descr", new String[] {"oldInt"},
                          new String[] {"oldInt descr"},
                          new OpenType[] {SimpleType.INTEGER});
    CompositeData evolvedData =
        new CompositeDataSupport(evolvedType, new String[] {"oldInt"},
                                 new Object[] {5});
    CompositeData evolved1 = (CompositeData)
        mbs.invoke(evolvedName, "identity", new Object[] {evolvedData},
                   new String[] {CompositeData.class.getName()});
    if ((Integer) evolved1.get("oldInt") != 5
            || !evolved1.get("newString").equals("defaultString")
            || ((String[]) evolved1.get("newerList")).length != 0)
        throw new Exception("Evolved doesn't match: " + evolved1);
    System.out.println("Evolved test passed");
}
 

/** Validate if the input CompositeData has the expected
 * CompositeType (i.e. contain all attributes with expected
 * names and types).
 */
public static void validateCompositeData(CompositeData cd) {
    if (cd == null) {
        throw new NullPointerException("Null CompositeData");
    }

    CompositeType type = cd.getCompositeType();
    boolean currentVersion = true;
    if (!isTypeMatched(threadInfoCompositeType, type)) {
        currentVersion = false;
        // check if cd is an older version
        if (!isTypeMatched(threadInfoV5CompositeType, type)) {
            throw new IllegalArgumentException(
                "Unexpected composite type for ThreadInfo");
        }
    }

    CompositeData[] stackTraceData =
        (CompositeData[]) cd.get(STACK_TRACE);
    if (stackTraceData == null) {
        throw new IllegalArgumentException(
            "StackTraceElement[] is missing");
    }
    if (stackTraceData.length > 0) {
        StackTraceElementCompositeData.validateCompositeData(stackTraceData[0]);
    }

    // validate v6 attributes
    if (currentVersion) {
        CompositeData li = (CompositeData) cd.get(LOCK_INFO);
        if (li != null) {
            if (!isTypeMatched(lockInfoCompositeType,
                               li.getCompositeType())) {
                throw new IllegalArgumentException(
                    "Unexpected composite type for \"" +
                    LOCK_INFO + "\" attribute.");
            }
        }

        CompositeData[] lms = (CompositeData[]) cd.get(LOCKED_MONITORS);
        if (lms == null) {
            throw new IllegalArgumentException("MonitorInfo[] is null");
        }
        if (lms.length > 0) {
            MonitorInfoCompositeData.validateCompositeData(lms[0]);
        }

        CompositeData[] lsyncs = (CompositeData[]) cd.get(LOCKED_SYNCS);
        if (lsyncs == null) {
            throw new IllegalArgumentException("LockInfo[] is null");
        }
        if (lsyncs.length > 0) {
            if (!isTypeMatched(lockInfoCompositeType,
                               lsyncs[0].getCompositeType())) {
                throw new IllegalArgumentException(
                    "Unexpected composite type for \"" +
                    LOCKED_SYNCS + "\" attribute.");
            }
        }

    }
}
 

static boolean getBoolean(CompositeData cd, String itemName) {
    if (cd == null)
        throw new IllegalArgumentException("Null CompositeData");

    return ((Boolean) cd.get(itemName));
}
 

/** Validate if the input CompositeData has the expected
 * CompositeType (i.e. contain all attributes with expected
 * names and types).
 */
public static void validateCompositeData(CompositeData cd) {
    if (cd == null) {
        throw new NullPointerException("Null CompositeData");
    }

    CompositeType type = cd.getCompositeType();
    boolean currentVersion = true;
    if (!isTypeMatched(threadInfoCompositeType, type)) {
        currentVersion = false;
        // check if cd is an older version
        if (!isTypeMatched(threadInfoV5CompositeType, type)) {
            throw new IllegalArgumentException(
                "Unexpected composite type for ThreadInfo");
        }
    }

    CompositeData[] stackTraceData =
        (CompositeData[]) cd.get(STACK_TRACE);
    if (stackTraceData == null) {
        throw new IllegalArgumentException(
            "StackTraceElement[] is missing");
    }
    if (stackTraceData.length > 0) {
        StackTraceElementCompositeData.validateCompositeData(stackTraceData[0]);
    }

    // validate v6 attributes
    if (currentVersion) {
        CompositeData li = (CompositeData) cd.get(LOCK_INFO);
        if (li != null) {
            if (!isTypeMatched(lockInfoCompositeType,
                               li.getCompositeType())) {
                throw new IllegalArgumentException(
                    "Unexpected composite type for \"" +
                    LOCK_INFO + "\" attribute.");
            }
        }

        CompositeData[] lms = (CompositeData[]) cd.get(LOCKED_MONITORS);
        if (lms == null) {
            throw new IllegalArgumentException("MonitorInfo[] is null");
        }
        if (lms.length > 0) {
            MonitorInfoCompositeData.validateCompositeData(lms[0]);
        }

        CompositeData[] lsyncs = (CompositeData[]) cd.get(LOCKED_SYNCS);
        if (lsyncs == null) {
            throw new IllegalArgumentException("LockInfo[] is null");
        }
        if (lsyncs.length > 0) {
            if (!isTypeMatched(lockInfoCompositeType,
                               lsyncs[0].getCompositeType())) {
                throw new IllegalArgumentException(
                    "Unexpected composite type for \"" +
                    LOCKED_SYNCS + "\" attribute.");
            }
        }

    }
}
 

public static ExoticCompositeData from(CompositeData cd) {
    String whatsit = (String) cd.get("whatsit");
    if (!whatsit.startsWith("!"))
        throw new IllegalArgumentException(whatsit);
    return new ExoticCompositeData(whatsit.substring(1));
}
 

public static int getInt(CompositeData cd, String itemName) {
    if (cd == null)
        throw new IllegalArgumentException("Null CompositeData");

    return ((Integer) cd.get(itemName));
}