Example usage for javax.management MBeanServer getAttribute

List of usage examples for javax.management MBeanServer getAttribute

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Introduction

In this page you can find the example usage for javax.management MBeanServer getAttribute.

Prototype

public Object getAttribute(ObjectName name, String attribute)
        throws MBeanException, AttributeNotFoundException, InstanceNotFoundException, ReflectionException;

Source Link

Usage

From source file:org.lobzik.home_sapiens.pi.AppData.java

public static List<String> getHTTPEndPoints() throws Exception { //tomcat-specific
    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    Set<ObjectName> objs = mbs.queryNames(new ObjectName("*:type=Connector,*"),
            Query.match(Query.attr("protocol"), Query.value("HTTP/1.1")));
    String hostname = InetAddress.getLocalHost().getHostName();
    InetAddress[] addresses = InetAddress.getAllByName(hostname);
    ArrayList<String> endPoints = new ArrayList<String>();
    for (Iterator<ObjectName> i = objs.iterator(); i.hasNext();) {
        ObjectName obj = i.next();
        String scheme = mbs.getAttribute(obj, "scheme").toString();
        if (!scheme.toLowerCase().equals("http")) {
            continue;
        }//from  w ww.  j a v a 2s . co m
        String port = obj.getKeyProperty("port");
        for (InetAddress addr : addresses) {
            String host = addr.getHostAddress();
            String ep = scheme + "://" + host + ":" + port;
            endPoints.add(ep);
        }
    }
    return endPoints;
}

From source file:at.ac.tuwien.dsg.cloud.salsa.engine.utils.SystemFunctions.java

public static List<String> getEndPoints()
        throws MalformedObjectNameException, NullPointerException, UnknownHostException,
        AttributeNotFoundException, InstanceNotFoundException, MBeanException, ReflectionException {
    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    Set<ObjectName> objs = mbs.queryNames(new ObjectName("*:type=Connector,*"),
            Query.match(Query.attr("protocol"), Query.value("HTTP/1.1")));
    String hostname = InetAddress.getLocalHost().getHostName();
    InetAddress[] addresses = InetAddress.getAllByName(hostname);
    ArrayList<String> endPoints = new ArrayList<>();
    for (Iterator<ObjectName> i = objs.iterator(); i.hasNext();) {
        ObjectName obj = i.next();
        String scheme = mbs.getAttribute(obj, "scheme").toString();
        String port = obj.getKeyProperty("port");
        for (InetAddress addr : addresses) {
            String host = addr.getHostAddress();
            String ep = scheme + "://" + host + ":" + port;
            endPoints.add(ep);/*from ww  w  . ja v  a2s.  c  o  m*/
        }
    }
    return endPoints;
}

From source file:Utilities.java

/**
 * Prints bean attributes to a {@link VarOutputSink}.
 * //from   ww w .  j av a 2s .co  m
 * @param sink The {@link VarOutputSink} to which attributes will be sent
 * @param mbs The {@link MBeanServer} with respect to which the
 *          {@code objectName} is accessed
 * @param objectName The {@link ObjectName} that identifies this bean
 */
public static void printMBeanAttributes(VarOutputSink sink, MBeanServer mbs, ObjectName objectName) {
    MBeanInfo info = getMBeanInfoSafely(sink, mbs, objectName);
    if (info == null) {
        sink.printVariable(objectName.getCanonicalName(), "can't fetch info");
        return;
    }
    MBeanAttributeInfo[] attrInfo = info.getAttributes();
    if (attrInfo.length > 0) {
        for (int i = 0; i < attrInfo.length; i++) {
            String attrName = attrInfo[i].getName();
            Object attrValue = null;
            String attrValueString = null;
            try {
                attrValue = mbs.getAttribute(objectName, attrName);
            } catch (AttributeNotFoundException e) {
                attrValueString = "AttributeNotFoundException";
            } catch (InstanceNotFoundException e) {
                attrValueString = "InstanceNotFoundException";
            } catch (MBeanException e) {
                attrValueString = "MBeanException";
            } catch (ReflectionException e) {
                attrValueString = "ReflectionException";
            }
            if (attrValueString == null) {
                attrValueString = attrValue.toString();
            }
            sink.printVariable(attrName, attrValueString);
        }
    }
}

From source file:org.apache.catalina.mbeans.MBeanDumper.java

/**
 * The following code to dump MBeans has been copied from JMXProxyServlet.
 *
 *///from w  ww  . ja v a 2 s.c o  m
public static String dumpBeans(MBeanServer mbeanServer, Set<ObjectName> names) {
    StringBuilder buf = new StringBuilder();
    Iterator<ObjectName> it = names.iterator();
    while (it.hasNext()) {
        ObjectName oname = it.next();
        buf.append("Name: ");
        buf.append(oname.toString());
        buf.append(CRLF);

        try {
            MBeanInfo minfo = mbeanServer.getMBeanInfo(oname);
            // can't be null - I think
            String code = minfo.getClassName();
            if ("org.apache.commons.modeler.BaseModelMBean".equals(code)) {
                code = (String) mbeanServer.getAttribute(oname, "modelerType");
            }
            buf.append("modelerType: ");
            buf.append(code);
            buf.append(CRLF);

            MBeanAttributeInfo attrs[] = minfo.getAttributes();
            Object value = null;

            for (int i = 0; i < attrs.length; i++) {
                if (!attrs[i].isReadable())
                    continue;
                String attName = attrs[i].getName();
                if ("modelerType".equals(attName))
                    continue;
                if (attName.indexOf("=") >= 0 || attName.indexOf(":") >= 0 || attName.indexOf(" ") >= 0) {
                    continue;
                }

                try {
                    value = mbeanServer.getAttribute(oname, attName);
                } catch (JMRuntimeException rme) {
                    Throwable cause = rme.getCause();
                    if (cause instanceof UnsupportedOperationException) {
                        if (log.isDebugEnabled()) {
                            log.debug("Error getting attribute " + oname + " " + attName, rme);
                        }
                    } else if (cause instanceof NullPointerException) {
                        if (log.isDebugEnabled()) {
                            log.debug("Error getting attribute " + oname + " " + attName, rme);
                        }
                    } else {
                        log.error("Error getting attribute " + oname + " " + attName, rme);
                    }
                    continue;
                } catch (Throwable t) {
                    ExceptionUtils.handleThrowable(t);
                    log.error("Error getting attribute " + oname + " " + attName, t);
                    continue;
                }
                if (value == null)
                    continue;
                String valueString;
                try {
                    Class<?> c = value.getClass();
                    if (c.isArray()) {
                        int len = Array.getLength(value);
                        StringBuilder sb = new StringBuilder(
                                "Array[" + c.getComponentType().getName() + "] of length " + len);
                        if (len > 0) {
                            sb.append(CRLF);
                        }
                        for (int j = 0; j < len; j++) {
                            sb.append("\t");
                            Object item = Array.get(value, j);
                            if (item == null) {
                                sb.append("NULL VALUE");
                            } else {
                                try {
                                    sb.append(escape(item.toString()));
                                } catch (Throwable t) {
                                    ExceptionUtils.handleThrowable(t);
                                    sb.append("NON-STRINGABLE VALUE");
                                }
                            }
                            if (j < len - 1) {
                                sb.append(CRLF);
                            }
                        }
                        valueString = sb.toString();
                    } else {
                        valueString = escape(value.toString());
                    }
                    buf.append(attName);
                    buf.append(": ");
                    buf.append(valueString);
                    buf.append(CRLF);
                } catch (Throwable t) {
                    ExceptionUtils.handleThrowable(t);
                }
            }
        } catch (Throwable t) {
            ExceptionUtils.handleThrowable(t);
        }
        buf.append(CRLF);
    }
    return buf.toString();

}

From source file:org.apache.hadoop.hbase.util.JSONBean.java

private static void writeAttribute(final JsonGenerator jg, final MBeanServer mBeanServer, ObjectName oname,
        final boolean description, final MBeanAttributeInfo attr) throws IOException {
    if (!attr.isReadable()) {
        return;// w  ww  .j  a  v  a2  s .c  om
    }
    String attName = attr.getName();
    if ("modelerType".equals(attName)) {
        return;
    }
    if (attName.indexOf("=") >= 0 || attName.indexOf(":") >= 0 || attName.indexOf(" ") >= 0) {
        return;
    }
    String descriptionStr = description ? attr.getDescription() : null;
    Object value = null;
    try {
        value = mBeanServer.getAttribute(oname, attName);
    } catch (RuntimeMBeanException e) {
        // UnsupportedOperationExceptions happen in the normal course of business,
        // so no need to log them as errors all the time.
        if (e.getCause() instanceof UnsupportedOperationException) {
            if (LOG.isTraceEnabled()) {
                LOG.trace("Getting attribute " + attName + " of " + oname + " threw " + e);
            }
        } else {
            LOG.error("getting attribute " + attName + " of " + oname + " threw an exception", e);
        }
        return;
    } catch (RuntimeErrorException e) {
        // RuntimeErrorException happens when an unexpected failure occurs in getAttribute
        // for example https://issues.apache.org/jira/browse/DAEMON-120
        LOG.debug("getting attribute " + attName + " of " + oname + " threw an exception", e);
        return;
    } catch (AttributeNotFoundException e) {
        //Ignored the attribute was not found, which should never happen because the bean
        //just told us that it has this attribute, but if this happens just don't output
        //the attribute.
        return;
    } catch (MBeanException e) {
        //The code inside the attribute getter threw an exception so log it, and
        // skip outputting the attribute
        LOG.error("getting attribute " + attName + " of " + oname + " threw an exception", e);
        return;
    } catch (RuntimeException e) {
        //For some reason even with an MBeanException available to them Runtime exceptions
        //can still find their way through, so treat them the same as MBeanException
        LOG.error("getting attribute " + attName + " of " + oname + " threw an exception", e);
        return;
    } catch (ReflectionException e) {
        //This happens when the code inside the JMX bean (setter?? from the java docs)
        //threw an exception, so log it and skip outputting the attribute
        LOG.error("getting attribute " + attName + " of " + oname + " threw an exception", e);
        return;
    } catch (InstanceNotFoundException e) {
        //Ignored the mbean itself was not found, which should never happen because we
        //just accessed it (perhaps something unregistered in-between) but if this
        //happens just don't output the attribute.
        return;
    }

    writeAttribute(jg, attName, descriptionStr, value);
}

From source file:com.atolcd.alfresco.audit.web.scripts.RuntimeInfoGet.java

@Override
protected Map<String, Object> executeImpl(WebScriptRequest req, Status status, Cache cache) {

    try {/*from w ww .jav a 2  s.  c  o m*/

        // Map that will be passed to the template
        Map<String, Object> model = new HashMap<String, Object>();

        ObjectName runtimeName = new ObjectName("Alfresco:Name=Runtime");
        MBeanServer mbs = getMBeanServer(runtimeName);

        model.put("FreeMemory", (Long) mbs.getAttribute(runtimeName, "FreeMemory") / 1024 / 1024);
        model.put("MaxMemory", (Long) mbs.getAttribute(runtimeName, "MaxMemory") / 1024 / 1024);
        model.put("TotalMemory", (Long) mbs.getAttribute(runtimeName, "TotalMemory") / 1024 / 1024);

        return model;
    } catch (Exception e) {
        throw new WebScriptException("[RuntimeInfosGet] Error in executeImpl function : \n" + e.getMessage());
    }

}

From source file:com.atolcd.alfresco.audit.web.scripts.DatabaseInfoGet.java

@Override
protected Map<String, Object> executeImpl(WebScriptRequest req, Status status, Cache cache) {

    try {//  ww w . ja va  2 s  .c o m
        // Map that will be passed to the template
        Map<String, Object> model = new HashMap<String, Object>();

        // Copy server object in a local object "MBeanProxy"
        ObjectName dbName = new ObjectName("Alfresco:Name=DatabaseInformation");
        MBeanServer mbs = getMBeanServer(dbName);

        model.put("DatabaseProductName", mbs.getAttribute(dbName, "DatabaseProductName"));
        model.put("DatabaseProductVersion", mbs.getAttribute(dbName, "DatabaseProductVersion"));
        model.put("DriverName", mbs.getAttribute(dbName, "DriverName"));
        model.put("DriverVersion", mbs.getAttribute(dbName, "DriverVersion"));
        model.put("URL", mbs.getAttribute(dbName, "URL"));
        model.put("UserName", mbs.getAttribute(dbName, "UserName"));

        return model;
    } catch (Exception e) {
        throw new WebScriptException("[DatabaseInfoGet] Error in executeImpl function : \n" + e.getMessage());
    }

}

From source file:com.atolcd.alfresco.audit.web.scripts.SystemPropertiesGet.java

@Override
protected Map<String, Object> executeImpl(WebScriptRequest req, Status status, Cache cache) {

    try {/*from www .j a v a 2 s  .  com*/
        // Map that will be passed to the template
        Map<String, Object> model = new HashMap<String, Object>();

        // Copy server object in a local object "MBeanProxy"
        ObjectName systemName = new ObjectName("Alfresco:Name=SystemProperties");
        MBeanServer mbsc = getMBeanServer(systemName);

        model.put("AlfrescoHome", mbsc.getAttribute(systemName, "alfresco.jmx.dir"));
        model.put("CatalinaHome", mbsc.getAttribute(systemName, "catalina.home"));
        model.put("HibernateDialect", mbsc.getAttribute(systemName, "hibernate.dialect"));
        model.put("JavaClassPath", mbsc.getAttribute(systemName, "java.class.path"));
        model.put("JavaHome", mbsc.getAttribute(systemName, "java.home"));
        model.put("JavaRuntimeName", mbsc.getAttribute(systemName, "java.runtime.name"));
        model.put("JavaRuntimeVersion", mbsc.getAttribute(systemName, "java.runtime.version"));
        model.put("JavaVersion", mbsc.getAttribute(systemName, "java.version"));
        model.put("OsArch", mbsc.getAttribute(systemName, "os.arch"));
        model.put("OsName", mbsc.getAttribute(systemName, "os.name"));
        model.put("OsVersion", mbsc.getAttribute(systemName, "os.version"));
        model.put("UserCountry", mbsc.getAttribute(systemName, "user.country"));
        model.put("UserLanguage", mbsc.getAttribute(systemName, "user.language"));
        model.put("UserTimezone", mbsc.getAttribute(systemName, "user.timezone"));

        return model;
    } catch (Exception e) {
        throw new WebScriptException("[SystemPropertiesGet] Error in executeImpl function");
    }
}

From source file:org.neo4j.server.modules.WebAdminModuleTest.java

@Test
public void shouldRegisterASingleUri() throws Exception {
    WebServer webServer = mock(WebServer.class);

    NeoServerWithEmbeddedWebServer neoServer = mock(NeoServerWithEmbeddedWebServer.class);
    when(neoServer.baseUri()).thenReturn(new URI("http://localhost:7575"));
    when(neoServer.getWebServer()).thenReturn(webServer);

    Database db = mock(Database.class);
    db.graph = (mock(AbstractGraphDatabase.class));
    Kernel mockKernel = mock(Kernel.class);
    ObjectName mockObjectName = mock(ObjectName.class);
    when(mockKernel.getMBeanQuery()).thenReturn(mockObjectName);
    when(db.graph.getManagementBeans(Kernel.class)).thenReturn(Collections.singleton(mockKernel));

    when(neoServer.getDatabase()).thenReturn(db);
    when(neoServer.getConfiguration()).thenReturn(new MapConfiguration(new HashMap<Object, Object>()));

    Config config = mock(Config.class);
    when(db.graph.getConfig()).thenReturn(config);
    NodeManager nodeManager = mock(NodeManager.class);
    GraphDbModule graphDbModule = mock(GraphDbModule.class);
    when(config.getGraphDbModule()).thenReturn(graphDbModule);
    when(graphDbModule.getNodeManager()).thenReturn(nodeManager);

    CompositeDataSupport result = mock(CompositeDataSupport.class);
    when(result.get("used")).thenReturn(50L);
    when(result.get("max")).thenReturn(1000L);

    MBeanServer mbeanServer = mock(MBeanServer.class);
    when(mbeanServer.getAttribute(any(ObjectName.class), eq("HeapMemoryUsage"))).thenReturn(result);
    // when(mbeanServer.getAttribute(any(ObjectName.class), eq("Collector"))).thenReturn( new StatisticCollector() );

    setStaticFinalField(JmxUtils.class.getDeclaredField("mbeanServer"), mbeanServer);

    WebAdminModule module = new WebAdminModule();
    module.start(neoServer, null);//from  w w  w .j  a va 2  s .c  o  m

    verify(db).setRrdDb(any(RrdDb.class));
}

From source file:org.apache.synapse.commons.snmp.SynapseMOScalar.java

@Override
public Variable getValue() {
    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    try {//  w  w  w.  j a  v a2 s .c o m
        Object obj = mbs.getAttribute(objectName, attribute);
        if (obj instanceof Integer) {
            return new Integer32((Integer) obj);
        }

        if (snmpVersion > SnmpConstants.version1) {
            if (obj instanceof Long) {
                return new Counter64(((Long) obj).longValue());
            } else if (obj instanceof Date) {
                return new Counter64(((Date) obj).getTime());
            }
        }

        return new OctetString(obj.toString());
    } catch (Exception e) {
        log.error("Unexpected error while retrieving the value of OID: " + getID(), e);
        return null;
    }
}