/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.platform.mbean;
import javax.management.InstanceNotFoundException;
import javax.management.JMException;
import javax.management.JMRuntimeException;
import javax.management.MBeanException;
import javax.management.ReflectionException;
import java.lang.management.ManagementFactory;
import java.util.Locale;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.descriptions.DescriptionProvider;
import org.jboss.as.controller.operations.validation.ModelTypeValidator;
import org.jboss.as.controller.operations.validation.ParametersValidator;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Executes the {@code java.lang.management.PlatformLoggingMXBean.getLoggerLevel(String loggerName)} method.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class PlatformLoggingMXBeanGetLoggerLevelHandler implements OperationStepHandler, DescriptionProvider {
public static final PlatformLoggingMXBeanGetLoggerLevelHandler INSTANCE = new PlatformLoggingMXBeanGetLoggerLevelHandler();
private static final String[] SIGNATURE = { String.class.getName() };
private final ParametersValidator parametersValidator = new ParametersValidator();
private PlatformLoggingMXBeanGetLoggerLevelHandler() {
parametersValidator.registerValidator(PlatformMBeanConstants.LOGGER_NAME, new ModelTypeValidator(ModelType.STRING, false, false));
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
/**
* Implementation note: This implementation uses indirect access to the mbean (i.e. via the
* {@code MBeanServerConnection} API) in order to avoid adding a compile time dependency on JDK 7. If the base
* JDK requirement for JBoss AS ever moves to JDK 7, this implementation can be updated to use the
* {@code java.lang.management.PlatformLoggingMXBean} interface.
*/
parametersValidator.validate(operation);
final String loggerName = operation.require(PlatformMBeanConstants.LOGGER_NAME).asString();
try {
Object level = ManagementFactory.getPlatformMBeanServer().invoke(PlatformMBeanConstants.PLATFORM_LOGGING_OBJECT_NAME, "getLoggerLevel", new String[]{loggerName}, SIGNATURE);
final ModelNode result = context.getResult();
if (level != null) {
result.set(level.toString());
}
} catch (JMRuntimeException e) {
throw e;
} catch (JMException e) {
throw new RuntimeException(e);
}
context.completeStep();
}
@Override
public ModelNode getModelDescription(Locale locale) {
return PlatformMBeanDescriptions.getGetLoggerLevelDescription(locale);
}
}