Example usage for javax.management MBeanServer queryNames

Introduction

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

Prototype

public Set<ObjectName> queryNames(ObjectName name, QueryExp query);

Source Link

Usage

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

/**
 * @param mBeanServer//from w  w  w.  ja  va  2s . c o  m
 * @param qry
 * @param attribute
 * @param description
 * @return Return non-zero if failed to find bean. 0
 * @throws IOException
 */
private static int write(final JsonGenerator jg, final MBeanServer mBeanServer, ObjectName qry,
        String attribute, final boolean description) throws IOException {
    LOG.trace("Listing beans for " + qry);
    Set<ObjectName> names = null;
    names = mBeanServer.queryNames(qry, null);
    jg.writeArrayFieldStart("beans");
    Iterator<ObjectName> it = names.iterator();
    while (it.hasNext()) {
        ObjectName oname = it.next();
        MBeanInfo minfo;
        String code = "";
        String descriptionStr = null;
        Object attributeinfo = null;
        try {
            minfo = mBeanServer.getMBeanInfo(oname);
            code = minfo.getClassName();
            if (description)
                descriptionStr = minfo.getDescription();
            String prs = "";
            try {
                if ("org.apache.commons.modeler.BaseModelMBean".equals(code)) {
                    prs = "modelerType";
                    code = (String) mBeanServer.getAttribute(oname, prs);
                }
                if (attribute != null) {
                    prs = attribute;
                    attributeinfo = mBeanServer.getAttribute(oname, prs);
                }
            } 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 " + prs + " of " + oname + " threw " + e);
                    }
                } else {
                    LOG.error("Getting attribute " + prs + " of " + oname + " threw an exception", e);
                }
                return 0;
            } catch (AttributeNotFoundException e) {
                // If the modelerType attribute was not found, the class name is used
                // instead.
                LOG.error("getting attribute " + prs + " of " + oname + " threw an exception", e);
            } catch (MBeanException e) {
                // The code inside the attribute getter threw an exception so log it,
                // and fall back on the class name
                LOG.error("getting attribute " + prs + " of " + oname + " threw an exception", e);
            } catch (RuntimeException e) {
                // For some reason even with an MBeanException available to them
                // Runtime exceptionscan still find their way through, so treat them
                // the same as MBeanException
                LOG.error("getting attribute " + prs + " of " + oname + " threw an exception", e);
            } catch (ReflectionException e) {
                // This happens when the code inside the JMX bean (setter?? from the
                // java docs) threw an exception, so log it and fall back on the
                // class name
                LOG.error("getting attribute " + prs + " of " + oname + " threw an exception", e);
            }
        } catch (InstanceNotFoundException e) {
            //Ignored for some reason the bean was not found so don't output it
            continue;
        } catch (IntrospectionException e) {
            // This is an internal error, something odd happened with reflection so
            // log it and don't output the bean.
            LOG.error("Problem while trying to process JMX query: " + qry + " with MBean " + oname, e);
            continue;
        } catch (ReflectionException e) {
            // This happens when the code inside the JMX bean threw an exception, so
            // log it and don't output the bean.
            LOG.error("Problem while trying to process JMX query: " + qry + " with MBean " + oname, e);
            continue;
        }

        jg.writeStartObject();
        jg.writeStringField("name", oname.toString());
        if (description && descriptionStr != null && descriptionStr.length() > 0) {
            jg.writeStringField("description", descriptionStr);
        }
        jg.writeStringField("modelerType", code);
        if (attribute != null && attributeinfo == null) {
            jg.writeStringField("result", "ERROR");
            jg.writeStringField("message", "No attribute with name " + attribute + " was found.");
            jg.writeEndObject();
            jg.writeEndArray();
            jg.close();
            return -1;
        }

        if (attribute != null) {
            writeAttribute(jg, attribute, descriptionStr, attributeinfo);
        } else {
            MBeanAttributeInfo[] attrs = minfo.getAttributes();
            for (int i = 0; i < attrs.length; i++) {
                writeAttribute(jg, mBeanServer, oname, description, attrs[i]);
            }
        }
        jg.writeEndObject();
    }
    jg.writeEndArray();
    return 0;
}

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From source file:com.beginner.core.utils.ProjectUtil.java

/**
 * ?Web???(???)/*from   ww w  .ja  v  a  2  s  .  c  om*/
 */
public static String getPort() {
    String result = "";
    try {
        MBeanServer mBeanServer = null;
        List<MBeanServer> mBeanServers = MBeanServerFactory.findMBeanServer(null);
        if (mBeanServers.size() > 0) {
            for (MBeanServer _mBeanServer : mBeanServers) {
                mBeanServer = _mBeanServer;
                break;
            }
        }
        if (mBeanServer == null) {
            throw new IllegalStateException("?JVM?MBeanServer.");
        }
        Set<ObjectName> objectNames = null;
        objectNames = mBeanServer.queryNames(new ObjectName("Catalina:type=Connector,*"), null);
        if (objectNames == null || objectNames.size() <= 0) {
            throw new IllegalStateException("?JVM?MBeanServer : "
                    + mBeanServer.getDefaultDomain() + " ??.");
        }
        for (ObjectName objectName : objectNames) {
            String protocol = (String) mBeanServer.getAttribute(objectName, "protocol");
            if (protocol.equals("HTTP/1.1")) {
                int port = (Integer) mBeanServer.getAttribute(objectName, "port");
                result = port + StringUtils.EMPTY;
            }
        }
    } catch (Exception e) {
        logger.error("?WEB?HTTP/1.1???", e);
    }
    return result;
}

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

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

    try {//from   www  .  j a v  a2 s .  com
        // Map that will be passed to the template
        Map<String, Object> model = new HashMap<String, Object>();

        ObjectName query = new ObjectName("Alfresco:Name=ContentStore,Type=*,Root=*");
        MBeanServer mbs = getMBeanServerWithQuery(query);
        Set<ObjectName> storesName = mbs.queryNames(query, null);

        List<ContentStore> contentStores = new ArrayList<ContentStore>();

        for (ObjectName storeName : storesName) {
            Object writeSupported = mbs.getAttribute(storeName, "WriteSupported");
            Object totalSize = mbs.getAttribute(storeName, "SpaceUsed");

            contentStores.add(new ContentStore(storeName.getKeyProperty("Root"), String.valueOf(writeSupported),
                    String.valueOf(totalSize)));
        }

        model.put("contentStores", contentStores);

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

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

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

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

        ObjectName query = new ObjectName("Alfresco:Name=LuceneIndexes,*");
        MBeanServer mbs = getMBeanServerWithQuery(query);
        Set<ObjectName> luceneIndexesName = mbs.queryNames(query, null);
        List<LuceneIndex> luceneIndexes = new ArrayList<LuceneIndex>();

        for (ObjectName luceneIndexName : luceneIndexesName) {

            luceneIndexes.add(new LuceneIndex(luceneIndexName.getKeyProperty("Index"),
                    String.valueOf(mbs.getAttribute(luceneIndexName, "ActualSize")),
                    String.valueOf(mbs.getAttribute(luceneIndexName, "NumberOfDocuments")),
                    String.valueOf(mbs.getAttribute(luceneIndexName, "NumberOfFields")),
                    String.valueOf(mbs.getAttribute(luceneIndexName, "NumberOfIndexedFields")),
                    String.valueOf(mbs.getAttribute(luceneIndexName, "UsedSize"))));
        }

        model.put("luceneIndexes", luceneIndexes);

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

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From source file:org.nuxeo.ecm.core.management.jtajca.JtajcaManagementFeature.java

protected <T> void bind(Binder binder, MBeanServer mbs, Class<T> type) {
    final Set<ObjectName> names = mbs.queryNames(nameOf(type), null);
    for (ObjectName name : names) {
        T instance = type.cast(JMX.newMXBeanProxy(mbs, name, type));
        binder.bind(type).annotatedWith(Names.named(name.getKeyProperty("name"))).toInstance(instance);
    }//from  w  ww .  j  a v  a 2 s .  c om
}

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From source file:org.apache.camel.example.management.ManagementExampleTest.java

@Test
public void testManagementExample() throws Exception {
    // Give it a bit of time to run
    Thread.sleep(2000);/*from  w w w .  ja va 2 s.  c  o m*/

    MBeanServer mbeanServer = context.getManagementStrategy().getManagementAgent().getMBeanServer();

    // Find the endpoints
    Set<ObjectName> set = mbeanServer.queryNames(new ObjectName("*:type=endpoints,*"), null);

    // now there is no managed endpoint for the dead queue
    // CAMEL-7076 there is no spring-event:default endpoint any more
    assertEquals(4, set.size());

    // Find the routes
    set = mbeanServer.queryNames(new ObjectName("*:type=routes,*"), null);
    assertEquals(3, set.size());

    // Stop routes
    for (ObjectName on : set) {
        mbeanServer.invoke(on, "stop", null, null);
    }
}

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From source file:net.gcolin.simplerepo.test.AbstractRepoTest.java

protected void setAttributeJmx(String name, String attribute, Object arguments) throws Exception {
    MBeanServer server = ManagementFactory.getPlatformMBeanServer();
    ObjectName oname = server.queryNames(new ObjectName(name), null).iterator().next();
    server.setAttribute(oname, new Attribute(attribute, arguments));
}

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From source file:net.gcolin.simplerepo.test.AbstractRepoTest.java

protected Object executeOperationJmx(String name, String operation, Object[] arguments, String[] signature)
        throws Exception {
    MBeanServer server = ManagementFactory.getPlatformMBeanServer();
    ObjectName oname = server.queryNames(new ObjectName(name), null).iterator().next();
    return server.invoke(oname, operation, arguments, signature);
}

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From source file:org.apache.cassandra.auth.JMXResource.java

@Override
public boolean exists() {
    if (!hasParent())
        return true;
    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    try {//  www. jav a 2s .  c  om
        return !(mbs.queryNames(new ObjectName(name), null).isEmpty());
    } catch (MalformedObjectNameException e) {
        return false;
    } catch (NullPointerException e) {
        return false;
    }
}

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From source file:org.apache.synapse.securevault.commons.MBeanRegistrar.java

public void registerMBean(Object mbeanInstance, String category, String id) {
    assertNull(mbeanInstance, "Mbean instance is null");
    assertNull(category, "Mbean instance category is null");
    assertNull(id, "Mbean instance name is null");
    try {//from ww  w. j a  v a  2s.co m
        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        ObjectName name = new ObjectName(getObjectName(category, id));
        Set set = mbs.queryNames(name, null);
        if (set != null && set.isEmpty()) {
            mbs.registerMBean(mbeanInstance, name);
        } else {
            mbs.unregisterMBean(name);
            mbs.registerMBean(mbeanInstance, name);
        }
    } catch (Exception e) {
        log.warn("Error registering a MBean with name ' " + id + " ' and category name ' " + category
                + "' for JMX management", e);
    }
}

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