Example usage for java.lang.instrument Instrumentation addTransformer

Introduction

In this page you can find the example usage for java.lang.instrument Instrumentation addTransformer.

Prototype

void addTransformer(ClassFileTransformer transformer);

Source Link

Document

Registers the supplied transformer.

Usage

From source file:com.facebook.infrastructure.continuations.ContinuationAgent.java

public static void premain(String agentArguments, Instrumentation instrumentation) {
    System.out.println("Inside the ContinuationAgent");
    instrumentation
            .addTransformer(new ContinuationClassTransformer(agentArguments, new BcelClassTransformer()));
}

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From source file:com.mgmtp.perfload.agent.Agent.java

void addTransformer(final Instrumentation instrumentation) {
    logger.writeln("Adding transformer...");
    instrumentation.addTransformer(transformer);
}

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From source file:org.apache.cassandra.continuations.CAgent.java

public static void premain(String agentArguments, Instrumentation instrumentation) {
    instrumentation
            .addTransformer(new ContinuationClassTransformer(agentArguments, new BcelClassTransformer()));
}

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From source file:org.metricagent.agent.MetricAgent.java

public static void premain(String agentArgument, Instrumentation instrumentation) {

    //BasicConfigurator.configure();
    log.info("Starting Metric Agent");
    configuration = ConfigurationManager.getInstance().loadFromFile(CONFIGURATION_FILENAME);

    log.info("Configuration : " + configuration.getReporting());

    if (configuration.getReporting().getGraphite() != null) {
        Graphite graphite = configuration.getReporting().getGraphite();
        MetricManager.getInstance().initializeGraphiteReporter(graphite.getName(), graphite.getUrl(),
                graphite.getPort().intValue(), graphite.getPeriod().intValue(),
                graphite.getBatchSize().intValue());
        log.info("Reporting via Graphite; name : {0}, URL :{1} , port :{2} , period : {3}, batchSize: {4}",
                graphite.getName(), graphite.getUrl(), graphite.getPort().intValue(),
                graphite.getPeriod().intValue(), graphite.getBatchSize().intValue());
    } else if (configuration.getReporting().getCsv() != null) {
        Csv csv = (Csv) configuration.getReporting().getCsv();
        log.info("Reporting via Csv path :{0} period :{1}", csv.getPath(), csv.getPeriod().intValue());
        MetricManager.getInstance().initializeCsvReporter(csv.getPath(), csv.getPeriod().intValue());
    } else if (configuration.getReporting().getConsole() != null) {
        MetricManager.getInstance()//from  w ww  .  jav a  2  s.  c  o  m
                .initializeConsoleReporter(configuration.getReporting().getConsole().getPeriod().intValue());
        log.info("Reporting via Console");
    } else if (configuration.getReporting().getJmx() != null) {
        log.info("Reporting via JMX");
        MetricManager.getInstance().initializeJmxRerporter();
    }

    instrumentation.addTransformer(new MetricAgent());
}

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From source file:org.wavescale.hotload.agent.HotLoadAgent.java

public static void premain(String agentArgs, Instrumentation instrumentation) {
    ConfigManager configManager = ConfigManager.getInstance();
    initConfigManager(agentArgs.split(" "));
    LogManager.getLogManager().getLogger(Logger.GLOBAL_LOGGER_NAME).setLevel(configManager.getLogLevel());
    NotifyHandler watchHandler = new WatchHandler();
    try {/*  w  w  w.j  a va 2  s  .com*/
        FileWatcher fileMonitor = new FileWatcher(configManager.getDirsToMonitor(),
                configManager.isMonitorRecursive());
        fileMonitor.addNotifyHandler(watchHandler);
        instrumentation.addTransformer(new MethodTransformer());
    } catch (IOException e) {
        LOGGER.log(Level.SEVERE, " An I/O error occured with trace:" + e);
    }
}

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From source file:org.wso2.das.javaagent.instrumentation.InstrumentingAgent.java

public static void premain(String agentArgs, Instrumentation instrumentation) {
    InstrumentingAgent.args = agentArgs;
    InstrumentingAgent agent = new InstrumentingAgent();
    InstrumentationDataHolder instDataHolder = InstrumentationDataHolder.getInstance();
    agent.setConfigurationFilePath(agentArgs);
    agent.setLoggingConfiguration();//from w  w  w . j a  v  a 2s  .c o m
    if (log.isDebugEnabled()) {
        log.debug("Starting Instrumentation javaagent");
    }
    try {
        File file = new File(createAgentConfigFilepath(instDataHolder));
        JAXBContext jaxbContext = JAXBContext.newInstance(InstrumentationAgent.class);
        Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
        InstrumentationAgent instAgent = (InstrumentationAgent) jaxbUnmarshaller.unmarshal(file);
        AgentConnection agentConnection = instAgent.getAgentConnection();
        if (agentConnection != null) {
            List<Scenario> scenarios = instAgent.getScenarios();
            for (Scenario scenario : scenarios) {
                List<InstrumentationClass> instClasses = scenario.getinstrumentationClasses();
                for (InstrumentationClass instClass : instClasses) {
                    agent.processClassData(agent, scenario, instClass);
                }
            }
            instDataHolder.setAgentConnection(agentConnection);
            instDataHolder.setClassMap(agent.classMap);
            AgentPublisherHolder.getInstance().addAgentConfiguration(agentConnection);
            Thread connectionWorker = new Thread(new AgentConnectionWorker());
            connectionWorker.start();
            if (log.isDebugEnabled()) {
                log.debug("Add transformer to instrumenting classes.");
            }
            instrumentation.addTransformer(new InstrumentationClassTransformer());
        }
    } catch (InstrumentationAgentException | JAXBException e) {
        if (log.isDebugEnabled()) {
            log.debug("InstrumentationAgent failed due to : " + e.getMessage());
        }
    }
}

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