/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2006-2007-2008 Sun Microsystems, Inc.
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* Portions Copyright 2013 ForgeRock AS
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*/
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package org.opends.server.config;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.CopyOnWriteArrayList;
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import javax.management.Attribute;
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import javax.management.AttributeList;
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import javax.management.AttributeNotFoundException;
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import javax.management.DynamicMBean;
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import javax.management.MBeanAttributeInfo;
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import javax.management.InvalidAttributeValueException;
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import javax.management.MBeanConstructorInfo;
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import javax.management.MBeanException;
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import javax.management.MBeanInfo;
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import javax.management.MBeanNotificationInfo;
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import javax.management.MBeanOperationInfo;
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import javax.management.MBeanServer;
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import javax.management.ObjectName;
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import org.opends.messages.Message;
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import org.opends.server.admin.std.server.MonitorProviderCfg;
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import org.opends.server.api.AlertGenerator;
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import org.opends.server.api.ClientConnection;
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import org.opends.server.api.DirectoryServerMBean;
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import org.opends.server.api.InvokableComponent;
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import org.opends.server.api.MonitorProvider;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.loggers.debug.DebugTracer;
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import org.opends.server.protocols.internal.InternalClientConnection;
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import org.opends.server.protocols.internal.InternalSearchOperation;
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import org.opends.server.protocols.jmx.Credential;
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import org.opends.server.protocols.jmx.JmxClientConnection;
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import org.opends.server.protocols.ldap.LDAPFilter;
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import org.opends.server.types.*;
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import static org.opends.messages.ConfigMessages.*;
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import static org.opends.server.loggers.ErrorLogger.*;
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import static org.opends.server.loggers.debug.DebugLogger.*;
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import static org.opends.server.util.ServerConstants.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This class defines a JMX MBean that can be registered with the Directory
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* Server to provide monitoring and statistical information, provide read and/or
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* read-write access to the configuration, and provide notifications and alerts
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* if a significant event or severe/fatal error occurs.
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*/
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@org.opends.server.types.PublicAPI(
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stability=org.opends.server.types.StabilityLevel.VOLATILE,
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mayInstantiate=true,
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mayExtend=false,
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mayInvoke=true)
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public final class JMXMBean
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implements DynamicMBean, DirectoryServerMBean
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{
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/**
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* The tracer object for the debug logger.
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*/
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private static final DebugTracer TRACER = getTracer();
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/**
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* The fully-qualified name of this class.
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*/
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private static final String CLASS_NAME = "org.opends.server.config.JMXMBean";
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/** The set of alert generators for this MBean. */
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private List<AlertGenerator> alertGenerators;
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/** The set of invokable components for this MBean. */
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private List<InvokableComponent> invokableComponents;
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/** The set of monitor providers for this MBean. */
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private List<MonitorProvider<? extends MonitorProviderCfg>> monitorProviders;
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/** The DN of the configuration entry with which this MBean is associated. */
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private DN configEntryDN;
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/** The object name for this MBean. */
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private ObjectName objectName;
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/**
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* Creates a JMX object name string based on a DN.
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*
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* @param configEntryDN The DN of the configuration entry with which
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* this ObjectName is associated.
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*
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* @return The string representation of the JMX Object Name
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* associated with the input DN.
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*/
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public static String getJmxName (DN configEntryDN)
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{
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String typeStr = null;
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String nameStr = null ;
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try
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{
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String dnString = configEntryDN.toString();
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if ( ! ((dnString == null) || (dnString.length() == 0)))
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{
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StringBuilder buffer = new StringBuilder(dnString.length());
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String rdns[] = dnString.replace(',', ';').split(";");
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for (int j = rdns.length - 1; j >= 0; j--)
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{
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int rdnIndex = rdns.length - j;
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buffer.append(",Rdn" + rdnIndex + "=") ;
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for (int i = 0; i < rdns[j].length(); i++)
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{
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char c = rdns[j].charAt(i);
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if (isAlpha(c) || isDigit(c))
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{
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buffer.append(c);
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} else
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{
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switch (c)
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{
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case ' ':
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buffer.append("_");
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break;
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case '=':
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buffer.append("-");
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}
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}
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}
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}
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typeStr = buffer.toString();
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}
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nameStr = MBEAN_BASE_DOMAIN + ":" + "Name=rootDSE" + typeStr;
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} catch (Exception e)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, e);
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}
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Message message = ERR_CONFIG_JMX_CANNOT_REGISTER_MBEAN.get(
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configEntryDN.toString(), String.valueOf(e));
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logError(message);
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}
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return nameStr ;
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}
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/**
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* Creates a new dynamic JMX MBean for use with the Directory Server.
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*
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* @param configEntryDN The DN of the configuration entry with which this
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* MBean is associated.
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*/
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public JMXMBean(DN configEntryDN)
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{
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this.configEntryDN = configEntryDN;
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alertGenerators = new CopyOnWriteArrayList<AlertGenerator>();
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invokableComponents = new CopyOnWriteArrayList<InvokableComponent>();
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monitorProviders =
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new CopyOnWriteArrayList<MonitorProvider<
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? extends MonitorProviderCfg>>();
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MBeanServer mBeanServer = DirectoryServer.getJMXMBeanServer();
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if (mBeanServer != null)
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{
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try
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{
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objectName = new ObjectName(getJmxName(configEntryDN)) ;
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try
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{
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if(mBeanServer.isRegistered(objectName))
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{
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mBeanServer.unregisterMBean(objectName);
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}
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} catch(Exception e)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, e);
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}
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}
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mBeanServer.registerMBean(this, objectName);
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} catch (Exception e)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, e);
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}
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e.printStackTrace();
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Message message = ERR_CONFIG_JMX_CANNOT_REGISTER_MBEAN.get(
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configEntryDN.toString(), String.valueOf(e));
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logError(message);
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}
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}
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}
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/**
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* Retrieves the JMX object name for this JMX MBean.
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*
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* @return The JMX object name for this JMX MBean.
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*/
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@Override
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public ObjectName getObjectName()
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{
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return objectName;
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}
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/**
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* Retrieves the set of alert generators for this JMX MBean.
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*
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* @return The set of alert generators for this JMX MBean.
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*/
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public List<AlertGenerator> getAlertGenerators()
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{
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return alertGenerators;
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}
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/**
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* Adds the provided alert generator to the set of alert generators associated
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* with this JMX MBean.
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*
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* @param generator The alert generator to add to the set of alert
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* generators for this JMX MBean.
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*/
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public void addAlertGenerator(AlertGenerator generator)
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{
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synchronized (alertGenerators)
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{
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if (! alertGenerators.contains(generator))
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{
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alertGenerators.add(generator);
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}
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}
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}
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/**
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* Removes the provided alert generator from the set of alert generators
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* associated with this JMX MBean.
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*
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* @param generator The alert generator to remove from the set of alert
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* generators for this JMX MBean.
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*
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* @return <CODE>true</CODE> if the alert generator was removed, or
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* <CODE>false</CODE> if it was not associated with this MBean.
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*/
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public boolean removeAlertGenerator(AlertGenerator generator)
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{
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synchronized (alertGenerators)
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{
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return alertGenerators.remove(generator);
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}
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}
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/**
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* Retrieves the set of invokable components associated with this JMX MBean.
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*
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* @return The set of invokable components associated with this JMX MBean.
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*/
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public List<InvokableComponent> getInvokableComponents()
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{
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return invokableComponents;
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}
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/**
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* Adds the provided invokable component to the set of components associated
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* with this JMX MBean.
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*
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* @param component The component to add to the set of invokable components
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* for this JMX MBean.
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*/
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public void addInvokableComponent(InvokableComponent component)
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{
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synchronized (invokableComponents)
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{
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if (! invokableComponents.contains(component))
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{
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invokableComponents.add(component);
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}
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}
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}
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/**
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* Removes the provided invokable component from the set of components
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* associated with this JMX MBean.
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*
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* @param component The component to remove from the set of invokable
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* components for this JMX MBean.
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*
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* @return <CODE>true</CODE> if the specified component was successfully
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* removed, or <CODE>false</CODE> if not.
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*/
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public boolean removeInvokableComponent(InvokableComponent component)
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{
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synchronized (invokableComponents)
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{
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return invokableComponents.remove(component);
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}
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}
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/**
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* Retrieves the set of monitor providers associated with this JMX MBean.
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*
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* @return The set of monitor providers associated with this JMX MBean.
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*/
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public List<MonitorProvider<? extends MonitorProviderCfg>>
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getMonitorProviders()
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{
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return monitorProviders;
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}
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/**
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* Adds the given monitor provider to the set of components associated with
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* this JMX MBean.
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*
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* @param component The component to add to the set of monitor providers
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* for this JMX MBean.
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*/
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public void addMonitorProvider(MonitorProvider<? extends MonitorProviderCfg>
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component)
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{
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synchronized (monitorProviders)
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{
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if (! monitorProviders.contains(component))
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{
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monitorProviders.add(component);
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}
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}
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}
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/**
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* Removes the given monitor provider from the set of components associated
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* with this JMX MBean.
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*
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* @param component The component to remove from the set of monitor
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* providers for this JMX MBean.
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*
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* @return <CODE>true</CODE> if the specified component was successfully
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* removed, or <CODE>false</CODE> if not.
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*/
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public boolean removeMonitorProvider(MonitorProvider<?> component)
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{
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synchronized (monitorProviders)
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{
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return monitorProviders.remove(component);
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}
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}
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/**
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* Retrieves the specified configuration attribute.
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*
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* @param name The name of the configuration attribute to retrieve.
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*
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* @return The specified configuration attribute, or <CODE>null</CODE> if
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* there is no such attribute.
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*/
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private Attribute getJmxAttribute(String name)
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{
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// It's possible that this is a monitor attribute rather than a configurable
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// one. Check all of those.
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AttributeType attrType =
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DirectoryServer.getAttributeType(name.toLowerCase());
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if (attrType == null)
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{
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attrType = DirectoryServer.getDefaultAttributeType(name);
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}
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for (MonitorProvider<? extends MonitorProviderCfg> monitor :
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monitorProviders)
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{
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for (org.opends.server.types.Attribute a : monitor.getMonitorData())
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{
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if (attrType.equals(a.getAttributeType()))
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{
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if (a.isEmpty())
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{
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continue;
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}
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Iterator<AttributeValue> iterator = a.iterator();
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AttributeValue value = iterator.next();
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if (iterator.hasNext())
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{
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List<String> stringValues = new ArrayList<String>();
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stringValues.add(value.getValue().toString());
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while (iterator.hasNext())
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{
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value = iterator.next();
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stringValues.add(value.getValue().toString());
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}
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String[] valueArray = new String[stringValues.size()];
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stringValues.toArray(valueArray);
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return new Attribute(name, valueArray);
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}
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else
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{
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return new Attribute(name, value.getValue().toString());
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}
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}
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}
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}
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return null;
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}
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|
|
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/**
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* Obtain the value of a specific attribute of the Dynamic MBean.
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*
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* @param attributeName The name of the attribute to be retrieved.
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*
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* @return The requested attribute.
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*
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* @throws AttributeNotFoundException If the specified attribute is not
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* associated with this MBean.
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*/
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@Override
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public Attribute getAttribute(String attributeName)
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throws AttributeNotFoundException
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{
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//
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// Get the jmx Client connection
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ClientConnection clientConnection = getClientConnection();
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if (clientConnection == null)
|
{
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return null;
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}
|
|
//
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// prepare the ldap search
|
|
LDAPFilter filter;
|
try
|
{
|
filter = LDAPFilter.decode("objectclass=*");
|
}
|
catch (LDAPException e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
Message message = ERR_CONFIG_JMX_CANNOT_GET_ATTRIBUTE.
|
get(String.valueOf(attributeName), String.valueOf(configEntryDN),
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getExceptionMessage(e));
|
throw new AttributeNotFoundException(message.toString());
|
}
|
|
//
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// Perform the Ldap operation for
|
// - ACI Check
|
// - Loggin purpose
|
InternalSearchOperation op=null;
|
if (clientConnection instanceof JmxClientConnection) {
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op = ((JmxClientConnection)clientConnection).processSearch(
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ByteString.valueOf(configEntryDN.toString()),
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SearchScope.BASE_OBJECT, filter);
|
}
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else if (clientConnection instanceof InternalClientConnection) {
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op = ((InternalClientConnection)clientConnection).processSearch(
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ByteString.valueOf(configEntryDN.toString()),
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SearchScope.BASE_OBJECT, filter);
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}
|
// BUG : op may be null
|
ResultCode rc = op.getResultCode();
|
if (rc != ResultCode.SUCCESS) {
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clientConnection = null ;
|
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Message message = ERR_CONFIG_JMX_CANNOT_GET_ATTRIBUTE.
|
get(String.valueOf(attributeName), String.valueOf(configEntryDN),
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String.valueOf(op.getErrorMessage()));
|
throw new AttributeNotFoundException(message.toString());
|
}
|
|
try
|
{
|
return getJmxAttribute(attributeName);
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
Message message = ERR_CONFIG_JMX_ATTR_NO_ATTR.get(
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String.valueOf(configEntryDN), attributeName);
|
logError(message);
|
throw new AttributeNotFoundException(message.toString());
|
}
|
}
|
|
/**
|
* Set the value of a specific attribute of the Dynamic MBean. In this case,
|
* it will always throw {@code InvalidAttributeValueException} because setting
|
* attribute values over JMX is currently not allowed.
|
*
|
* @param attribute The identification of the attribute to be set and the
|
* value it is to be set to.
|
*
|
* @throws AttributeNotFoundException If the specified attribute is not
|
* associated with this MBean.
|
*
|
* @throws InvalidAttributeValueException If the provided value is not
|
* acceptable for this MBean.
|
*/
|
@Override
|
public void setAttribute(javax.management.Attribute attribute)
|
throws AttributeNotFoundException, InvalidAttributeValueException
|
{
|
throw new InvalidAttributeValueException();
|
}
|
|
/**
|
* Get the values of several attributes of the Dynamic MBean.
|
*
|
* @param attributes A list of the attributes to be retrieved.
|
*
|
* @return The list of attributes retrieved.
|
*/
|
@Override
|
public AttributeList getAttributes(String[] attributes)
|
{
|
|
//
|
// Get the jmx Client connection
|
ClientConnection clientConnection = getClientConnection();
|
if (clientConnection == null)
|
{
|
return null;
|
}
|
|
//
|
// prepare the ldap search
|
LDAPFilter filter;
|
try
|
{
|
filter = LDAPFilter.decode("objectclass=*");
|
}
|
catch (LDAPException e)
|
{
|
return null;
|
}
|
|
//
|
// Perform the Ldap operation for
|
// - ACI Check
|
// - Loggin purpose
|
InternalSearchOperation op=null;
|
if (clientConnection instanceof JmxClientConnection) {
|
op = ((JmxClientConnection)clientConnection).processSearch(
|
ByteString.valueOf(configEntryDN.toString()),
|
SearchScope.BASE_OBJECT, filter);
|
}
|
else if (clientConnection instanceof InternalClientConnection) {
|
op = ((InternalClientConnection)clientConnection).processSearch(
|
ByteString.valueOf(configEntryDN.toString()),
|
SearchScope.BASE_OBJECT, filter);
|
}
|
// BUG: op may be null
|
ResultCode rc = op.getResultCode();
|
if (rc != ResultCode.SUCCESS)
|
{
|
clientConnection = null ;
|
return null;
|
}
|
|
|
AttributeList attrList = new AttributeList(attributes.length);
|
Attribute attr;
|
for (String name : attributes)
|
{
|
try
|
{
|
if ((attr = getJmxAttribute(name)) != null)
|
{
|
attrList.add(attr);
|
continue;
|
}
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
}
|
|
// It's possible that this is a monitor attribute rather than a
|
// configurable one. Check all of those.
|
AttributeType attrType =
|
DirectoryServer.getAttributeType(name.toLowerCase());
|
if (attrType == null)
|
{
|
attrType = DirectoryServer.getDefaultAttributeType(name);
|
}
|
|
monitorLoop:
|
for (MonitorProvider<? extends MonitorProviderCfg> monitor :
|
monitorProviders)
|
{
|
for (org.opends.server.types.Attribute a : monitor.getMonitorData())
|
{
|
if (attrType.equals(a.getAttributeType()))
|
{
|
if (a.isEmpty())
|
{
|
continue;
|
}
|
|
Iterator<AttributeValue> iterator = a.iterator();
|
AttributeValue value = iterator.next();
|
|
if (iterator.hasNext())
|
{
|
List<String> stringValues = new ArrayList<String>();
|
stringValues.add(value.getValue().toString());
|
|
while (iterator.hasNext())
|
{
|
value = iterator.next();
|
stringValues.add(value.getValue().toString());
|
}
|
|
String[] valueArray = new String[stringValues.size()];
|
stringValues.toArray(valueArray);
|
attrList.add(new Attribute(name, valueArray));
|
break monitorLoop;
|
}
|
else
|
{
|
attrList.add(new Attribute(name, value.getValue().toString()));
|
break monitorLoop;
|
}
|
}
|
}
|
}
|
}
|
|
return attrList;
|
|
}
|
|
/**
|
* Sets the values of several attributes of the Dynamic MBean.
|
*
|
* @param attributes A list of attributes: The identification of the
|
* attributes to be set and the values they are to be set
|
* to.
|
*
|
* @return The list of attributes that were set with their new values. In
|
* this case, the list will always be empty because we do not support
|
* setting attribute values over JMX.
|
*/
|
@Override
|
public AttributeList setAttributes(AttributeList attributes)
|
{
|
return new AttributeList();
|
}
|
|
|
|
/**
|
* Allows an action to be invoked on the Dynamic MBean.
|
*
|
* @param actionName The name of the action to be invoked.
|
* @param params An array containing the parameters to be set when the
|
* action is invoked.
|
* @param signature An array containing the signature of the action. The
|
* class objects will be loaded through the same class
|
* loader as the one used for loading the MBean on which
|
* action is invoked.
|
*
|
* @return The object returned by the action, which represents the result of
|
* invoking the action on the MBean specified.
|
*
|
* @throws MBeanException If a problem is encountered while invoking the
|
* method.
|
*/
|
@Override
|
public Object invoke(String actionName, Object[] params, String[] signature)
|
throws MBeanException
|
{
|
for (InvokableComponent component : invokableComponents)
|
{
|
for (InvokableMethod method : component.getOperationSignatures())
|
{
|
if (method.hasSignature(actionName, signature))
|
{
|
try
|
{
|
method.invoke(component, params);
|
}
|
catch (MBeanException me)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, me);
|
}
|
|
throw me;
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
throw new MBeanException(e);
|
}
|
}
|
}
|
}
|
|
|
// If we've gotten here, then there is no such method so throw an exception.
|
StringBuilder buffer = new StringBuilder();
|
buffer.append(actionName);
|
buffer.append("(");
|
|
if (signature.length > 0)
|
{
|
buffer.append(signature[0]);
|
|
for (int i=1; i < signature.length; i++)
|
{
|
buffer.append(", ");
|
buffer.append(signature[i]);
|
}
|
}
|
|
buffer.append(")");
|
|
Message message = ERR_CONFIG_JMX_NO_METHOD.get(
|
buffer.toString(), configEntryDN.toString());
|
throw new MBeanException(
|
new DirectoryException(ResultCode.NO_SUCH_OPERATION,
|
message));
|
}
|
|
|
|
/**
|
* Provides the exposed attributes and actions of the Dynamic MBean using an
|
* MBeanInfo object.
|
*
|
* @return An instance of <CODE>MBeanInfo</CODE> allowing all attributes and
|
* actions exposed by this Dynamic MBean to be retrieved.
|
*/
|
@Override
|
public MBeanInfo getMBeanInfo()
|
{
|
ClientConnection clientConnection = getClientConnection();
|
if (clientConnection == null)
|
{
|
return new MBeanInfo(CLASS_NAME, null, null, null, null, null);
|
}
|
|
List<MBeanAttributeInfo> attrs = new ArrayList<MBeanAttributeInfo>();
|
for (MonitorProvider<? extends MonitorProviderCfg> monitor :
|
monitorProviders)
|
{
|
for (org.opends.server.types.Attribute a : monitor.getMonitorData())
|
{
|
attrs.add(new MBeanAttributeInfo(a.getName(), String.class.getName(),
|
null, true, false, false));
|
}
|
}
|
|
MBeanAttributeInfo[] mBeanAttributes = new MBeanAttributeInfo[attrs.size()];
|
attrs.toArray(mBeanAttributes);
|
|
|
List<MBeanNotificationInfo> notifications =
|
new ArrayList<MBeanNotificationInfo>();
|
for (AlertGenerator generator : alertGenerators)
|
{
|
String className = generator.getClassName();
|
|
Map<String, String> alerts = generator.getAlerts();
|
for (String type : alerts.keySet())
|
{
|
String[] types = { type };
|
String description = alerts.get(type);
|
notifications.add(new MBeanNotificationInfo(types, className,
|
description));
|
}
|
}
|
|
|
MBeanNotificationInfo[] mBeanNotifications =
|
new MBeanNotificationInfo[notifications.size()];
|
notifications.toArray(mBeanNotifications);
|
|
|
List<MBeanOperationInfo> ops = new ArrayList<MBeanOperationInfo>();
|
for (InvokableComponent component : invokableComponents)
|
{
|
for (InvokableMethod method : component.getOperationSignatures())
|
{
|
ops.add(method.toOperationInfo());
|
}
|
}
|
|
MBeanOperationInfo[] mBeanOperations = new MBeanOperationInfo[ops.size()];
|
ops.toArray(mBeanOperations);
|
|
|
MBeanConstructorInfo[] mBeanConstructors = new MBeanConstructorInfo[0];
|
return new MBeanInfo(CLASS_NAME,
|
"Configurable Attributes for " +
|
configEntryDN.toString(),
|
mBeanAttributes, mBeanConstructors, mBeanOperations,
|
mBeanNotifications);
|
}
|
|
/**
|
* Get the client JMX connection to use. Returns null if an Exception is
|
* caught or if the AccessControlContext subject is null.
|
*
|
* @return The JmxClientConnection.
|
*/
|
private ClientConnection getClientConnection()
|
{
|
ClientConnection clientConnection = null;
|
java.security.AccessControlContext acc = java.security.AccessController
|
.getContext();
|
try
|
{
|
javax.security.auth.Subject subject = javax.security.auth.Subject
|
.getSubject(acc);
|
if (subject != null)
|
{
|
Set<?> privateCreds = subject.getPrivateCredentials(Credential.class);
|
clientConnection = ((Credential) privateCreds.iterator().next())
|
.getClientConnection();
|
}
|
}
|
catch (Exception e)
|
{
|
}
|
return clientConnection;
|
}
|
}
|
