+++ /dev/null
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- */
-
-package org.apache.log4j.jmx;
-
-
-import org.apache.log4j.Appender;
-import org.apache.log4j.Category;
-import org.apache.log4j.Level;
-import org.apache.log4j.LogManager;
-import org.apache.log4j.Logger;
-import org.apache.log4j.helpers.OptionConverter;
-import org.apache.log4j.spi.HierarchyEventListener;
-import org.apache.log4j.spi.LoggerRepository;
-
-import javax.management.Attribute;
-import javax.management.AttributeNotFoundException;
-import javax.management.InvalidAttributeValueException;
-import javax.management.JMException;
-import javax.management.ListenerNotFoundException;
-import javax.management.MBeanAttributeInfo;
-import javax.management.MBeanConstructorInfo;
-import javax.management.MBeanException;
-import javax.management.MBeanInfo;
-import javax.management.MBeanNotificationInfo;
-import javax.management.MBeanOperationInfo;
-import javax.management.MBeanParameterInfo;
-import javax.management.Notification;
-import javax.management.NotificationBroadcaster;
-import javax.management.NotificationBroadcasterSupport;
-import javax.management.NotificationFilter;
-import javax.management.NotificationFilterSupport;
-import javax.management.NotificationListener;
-import javax.management.ObjectName;
-import javax.management.ReflectionException;
-import javax.management.RuntimeOperationsException;
-import java.lang.reflect.Constructor;
-import java.util.Vector;
-
-public class HierarchyDynamicMBean extends AbstractDynamicMBean
- implements HierarchyEventListener,
- NotificationBroadcaster {
-
- static final String ADD_APPENDER = "addAppender.";
- static final String THRESHOLD = "threshold";
-
- private MBeanConstructorInfo[] dConstructors = new MBeanConstructorInfo[1];
- private MBeanOperationInfo[] dOperations = new MBeanOperationInfo[1];
-
- private Vector vAttributes = new Vector();
- private String dClassName = this.getClass().getName();
- private String dDescription =
- "This MBean acts as a management facade for org.apache.log4j.Hierarchy.";
-
- private NotificationBroadcasterSupport nbs = new NotificationBroadcasterSupport();
-
-
- private LoggerRepository hierarchy;
-
- private static Logger log = Logger.getLogger(HierarchyDynamicMBean.class);
-
- public HierarchyDynamicMBean() {
- hierarchy = LogManager.getLoggerRepository();
- buildDynamicMBeanInfo();
- }
-
- private
- void buildDynamicMBeanInfo() {
- Constructor[] constructors = this.getClass().getConstructors();
- dConstructors[0] = new MBeanConstructorInfo(
- "HierarchyDynamicMBean(): Constructs a HierarchyDynamicMBean instance",
- constructors[0]);
-
- vAttributes.add(new MBeanAttributeInfo(THRESHOLD,
- "java.lang.String",
- "The \"threshold\" state of the hiearchy.",
- true,
- true,
- false));
-
- MBeanParameterInfo[] params = new MBeanParameterInfo[1];
- params[0] = new MBeanParameterInfo("name", "java.lang.String",
- "Create a logger MBean" );
- dOperations[0] = new MBeanOperationInfo("addLoggerMBean",
- "addLoggerMBean(): add a loggerMBean",
- params ,
- "javax.management.ObjectName",
- MBeanOperationInfo.ACTION);
- }
-
-
- public
- ObjectName addLoggerMBean(String name) {
- Logger cat = LogManager.exists(name);
-
- if(cat != null) {
- return addLoggerMBean(cat);
- } else {
- return null;
- }
- }
-
- ObjectName addLoggerMBean(Logger logger) {
- String name = logger.getName();
- ObjectName objectName = null;
- try {
- LoggerDynamicMBean loggerMBean = new LoggerDynamicMBean(logger);
- objectName = new ObjectName("log4j", "logger", name);
-
- if (!server.isRegistered(objectName)) {
- registerMBean(loggerMBean, objectName);
- NotificationFilterSupport nfs = new NotificationFilterSupport();
- nfs.enableType(ADD_APPENDER + logger.getName());
- log.debug("---Adding logger [" + name + "] as listener.");
- nbs.addNotificationListener(loggerMBean, nfs, null);
- vAttributes.add(new MBeanAttributeInfo("logger=" + name, "javax.management.ObjectName",
- "The " + name + " logger.", true, true, // this makes the object
- // clickable
- false));
-
- }
-
- } catch(JMException e) {
- log.error("Could not add loggerMBean for ["+name+"].", e);
- } catch(RuntimeException e) {
- log.error("Could not add loggerMBean for ["+name+"].", e);
- }
- return objectName;
- }
-
- public
- void addNotificationListener(NotificationListener listener,
- NotificationFilter filter,
- java.lang.Object handback) {
- nbs.addNotificationListener(listener, filter, handback);
- }
-
- protected
- Logger getLogger() {
- return log;
- }
-
- public
- MBeanInfo getMBeanInfo() {
- //cat.debug("getMBeanInfo called.");
-
- MBeanAttributeInfo[] attribs = new MBeanAttributeInfo[vAttributes.size()];
- vAttributes.toArray(attribs);
-
- return new MBeanInfo(dClassName,
- dDescription,
- attribs,
- dConstructors,
- dOperations,
- new MBeanNotificationInfo[0]);
- }
-
- public
- MBeanNotificationInfo[] getNotificationInfo(){
- return nbs.getNotificationInfo();
- }
-
- public
- Object invoke(String operationName,
- Object params[],
- String signature[]) throws MBeanException,
- ReflectionException {
-
- if (operationName == null) {
- throw new RuntimeOperationsException(
- new IllegalArgumentException("Operation name cannot be null"),
- "Cannot invoke a null operation in " + dClassName);
- }
- // Check for a recognized operation name and call the corresponding operation
-
- if(operationName.equals("addLoggerMBean")) {
- return addLoggerMBean((String)params[0]);
- } else {
- throw new ReflectionException(
- new NoSuchMethodException(operationName),
- "Cannot find the operation " + operationName + " in " + dClassName);
- }
-
- }
-
-
- public
- Object getAttribute(String attributeName) throws AttributeNotFoundException,
- MBeanException,
- ReflectionException {
-
- // Check attributeName is not null to avoid NullPointerException later on
- if (attributeName == null) {
- throw new RuntimeOperationsException(new IllegalArgumentException(
- "Attribute name cannot be null"),
- "Cannot invoke a getter of " + dClassName + " with null attribute name");
- }
-
- log.debug("Called getAttribute with ["+attributeName+"].");
-
- // Check for a recognized attributeName and call the corresponding getter
- if (attributeName.equals(THRESHOLD)) {
- return hierarchy.getThreshold();
- } else if(attributeName.startsWith("logger")) {
- int k = attributeName.indexOf("%3D");
- String val = attributeName;
- if(k > 0) {
- val = attributeName.substring(0, k)+'='+ attributeName.substring(k+3);
- }
- try {
- return new ObjectName("log4j:"+val);
- } catch(JMException e) {
- log.error("Could not create ObjectName" + val);
- } catch(RuntimeException e) {
- log.error("Could not create ObjectName" + val);
- }
- }
-
-
-
- // If attributeName has not been recognized throw an AttributeNotFoundException
- throw(new AttributeNotFoundException("Cannot find " + attributeName +
- " attribute in " + dClassName));
-
- }
-
-
- public
- void addAppenderEvent(Category logger, Appender appender) {
- log.debug("addAppenderEvent called: logger="+logger.getName()+
- ", appender="+appender.getName());
- Notification n = new Notification(ADD_APPENDER+logger.getName(), this, 0);
- n.setUserData(appender);
- log.debug("sending notification.");
- nbs.sendNotification(n);
- }
-
- public
- void removeAppenderEvent(Category cat, Appender appender) {
- log.debug("removeAppenderCalled: logger="+cat.getName()+
- ", appender="+appender.getName());
- }
-
- public
- void postRegister(java.lang.Boolean registrationDone) {
- log.debug("postRegister is called.");
- hierarchy.addHierarchyEventListener(this);
- Logger root = hierarchy.getRootLogger();
- addLoggerMBean(root);
- }
-
- public
- void removeNotificationListener(NotificationListener listener)
- throws ListenerNotFoundException {
- nbs.removeNotificationListener(listener);
- }
-
- public
- void setAttribute(Attribute attribute) throws AttributeNotFoundException,
- InvalidAttributeValueException,
- MBeanException,
- ReflectionException {
-
- // Check attribute is not null to avoid NullPointerException later on
- if (attribute == null) {
- throw new RuntimeOperationsException(
- new IllegalArgumentException("Attribute cannot be null"),
- "Cannot invoke a setter of "+dClassName+" with null attribute");
- }
- String name = attribute.getName();
- Object value = attribute.getValue();
-
- if (name == null) {
- throw new RuntimeOperationsException(
- new IllegalArgumentException("Attribute name cannot be null"),
- "Cannot invoke the setter of "+dClassName+
- " with null attribute name");
- }
-
- if(name.equals(THRESHOLD)) {
- Level l = OptionConverter.toLevel((String) value,
- hierarchy.getThreshold());
- hierarchy.setThreshold(l);
- }
-
-
- }
-}
git://source.jalview.org / jalview.git / blobdiff