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/*
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*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.glassfish.admingui.plugin.jms;
import java.lang.management.ManagementFactory;
import java.util.Set;
import javax.management.Attribute;
import javax.management.MBeanServerConnection;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
/**
*
* @author jasonlee
*/
public class JMXUtil {
/** Creates a new instance of JMXUtil */
public JMXUtil() {
}
public static MBeanServerConnection getMBeanServer() {
return ManagementFactory.getPlatformMBeanServer();
}
public static Object invoke(String objectName, String operationName) {
return invoke(objectName, operationName, new Object[]{}, new String[]{});
}
public static Object invoke(String objectName, String operationName, Object[] params, String[] signature) {
try {
Object result = invoke(new ObjectName(objectName), operationName, params, signature);
return result;
} catch (javax.management.MalformedObjectNameException ex) {
System.out.println("MalformedObjectNameException: " + objectName);
throw new RuntimeException(ex);
}
}
public static Object invoke(ObjectName objectName, String operationName, Object[] params, String[] signature) {
try {
Object result = getMBeanServer().invoke(objectName, operationName, params, signature);
return result;
} catch (Exception ex) {
//The calling method will decide if to catch this exception or dump stack trace. ex issue#2902
//ex.printStackTrace();
throw new RuntimeException(ex);
}
}
public static Object getAttribute(String objectName, String attributeName) {
try {
Object result = getAttribute(new ObjectName(objectName), attributeName);
return result;
} catch (MalformedObjectNameException ex) {
return null; //TODO-ErrorHandling
}
}
public static Object getAttribute(ObjectName objectName, String attributeName) {
try {
return getMBeanServer().getAttribute(objectName, attributeName);
} catch (Exception ex) {
return null;
}
}
public static void setAttribute(String objectName, Attribute attributeName) {
try {
setAttribute(new ObjectName(objectName), attributeName);
} catch (javax.management.MalformedObjectNameException ex) {
System.out.println("MalformedObjectNameException: " + objectName);
throw new RuntimeException(ex);
}
}
public static void setAttribute(ObjectName objectName, Attribute attributeName) {
try {
getMBeanServer().setAttribute(objectName, attributeName);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
/**
* Method that obtains the default values from domain
* @param objName Object Name of Mbean
* @param params array containing the name of attribute whose default
* value is needed
* @return an Object representing the default value
*/
public static Object getDefaultAttributeValue(String objName, String[] params) {
String operName = "getDefaultAttributeValue";
String[] signature = {"java.lang.String"};
Object defaultValue = invoke(objName, operName, params, signature);
return defaultValue;
}
public static boolean isValidMBean(String objectName) {
boolean valid = false;
try {
Set beans = getMBeanServer().queryMBeans(new ObjectName(objectName), null);
if (beans.size() > 0) {
valid = true;
}
} catch (Exception ex) {
// ignore
}
return valid;
}
public final static String DomainDiagnosticsMBeanName = "com.sun.appserv:type=DomainDiagnostics,name=server,category=monitor";
public final static String DomainDiagnosticsGenerateReportMethod = "generateReport";
}