org.jolokia.jvmagent.client.command.StatusCommand Maven / Gradle / Ivy
package org.jolokia.jvmagent.client.command;
/*
* Copyright 2009-2013 Roland Huss
*
* Licensed 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.
*/
import java.lang.reflect.InvocationTargetException;
import org.jolokia.jvmagent.client.util.OptionsAndArgs;
import org.jolokia.jvmagent.client.util.VirtualMachineHandler;
/**
* Check the status of an agent on the target process. Prints out the information
* to standard out, except if the '--quiet' is given.
*
* @author roland
* @since 06.10.11
*/
public class StatusCommand extends AbstractBaseCommand {
/** {@inheritDoc} */
@Override
String getName() {
return "status";
}
/**
* Checkt the status and print it out (except for --quiet
* @param pVm the virtual machine
* @return the exit code (0: agent is attached, 1: agent is not attached.)
*/
@Override
@SuppressWarnings("PMD.SystemPrintln")
int execute(OptionsAndArgs pOptions, Object pVm, VirtualMachineHandler pHandler)
throws InvocationTargetException, NoSuchMethodException, IllegalAccessException {
String agentUrl = checkAgentUrl(pVm);
boolean quiet = pOptions.isQuiet();
if (agentUrl != null) {
if (!quiet) {
System.out.println("Jolokia started for " + getProcessDescription(pOptions,pHandler));
System.out.println(agentUrl);
}
return 0;
} else {
if (!quiet) {
System.out.println("No Jolokia agent attached to " + getProcessDescription(pOptions,pHandler));
}
return 1;
}
}
}