Example usage for javax.interceptor InvocationContext getContextData

Introduction

In this page you can find the example usage for javax.interceptor InvocationContext getContextData.

Prototype

public Map<String, Object> getContextData();

Source Link

Document

Enables an interceptor to retrieve or update the data associated with the invocation by another interceptor, business method, and/or webservices endpoint in the invocation chain.

Usage

From source file:org.commonjava.indy.metrics.jaxrs.interceptor.MetricsInterceptor.java

@AroundInvoke
public Object operation(InvocationContext context) throws Exception {
    if (!config.isMetricsEnabled()) {
        return context.proceed();
    }/*from w  w w.  jav a  2s. com*/

    Method method = context.getMethod();
    Measure measure = method.getAnnotation(Measure.class);
    if (measure == null) {
        measure = method.getDeclaringClass().getAnnotation(Measure.class);
    }

    logger.trace("Gathering metrics for: {}", context.getContextData());
    String nodePrefix = config.getNodePrefix();

    String defaultName = getDefaultName(context.getMethod().getDeclaringClass(), context.getMethod().getName());

    List<Timer.Context> timers = Stream.of(measure.timers()).map(named -> {
        String name = getName(nodePrefix, named.value(), defaultName, TIMER);
        Timer.Context tc = metricsManager.getTimer(name).time();
        logger.trace("START: {} ({})", name, tc);
        return tc;
    }).collect(Collectors.toList());

    try {
        return context.proceed();
    } catch (Exception e) {
        Stream.of(measure.exceptions()).forEach((named) -> {
            String name = getName(nodePrefix, named.value(), defaultName, EXCEPTION);
            Meter meter = metricsManager.getMeter(name);
            logger.trace("ERRORS++ {}", name);
            meter.mark();
        });

        throw e;
    } finally {
        if (timers != null) {
            timers.forEach(timer -> {
                logger.trace("STOP: {}", timer);
                timer.stop();
            });

        }
        Stream.of(measure.meters()).forEach((named) -> {
            String name = getName(nodePrefix, named.value(), defaultName, METER);
            Meter meter = metricsManager.getMeter(name);
            logger.trace("CALLS++ {}", name);
            meter.mark();
        });
    }
}

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From source file:org.hibersap.ejb.interceptor.HibersapSessionInterceptor.java

@AroundInvoke
public Object injectSessionsIntoEjb(final InvocationContext ctx) throws Exception {
    Set<Field> sessionFields = getHibersapSessionFields(ctx.getTarget());

    Map<Session, String> sessionsCreated = new HashMap<Session, String>();
    try {//from   w  w w.ja v a 2s.  co  m
        for (Field sessionField : sessionFields) {
            String jndiName = getSessionManagerJndiName(sessionField);
            String key = HIBERSAP_SESSION_PREFIX + jndiName;
            Session session = (Session) ctx.getContextData().get(key);

            if (session == null) {
                LOGGER.debug("Erzeuge Hibersap-Session fr SessionManager " + jndiName);
                session = openSession(jndiName);
                sessionsCreated.put(session, jndiName);
                ctx.getContextData().put(key, session);
            }

            injectSessionIntoTarget(ctx.getTarget(), sessionField, session);
        }

        return ctx.proceed();
    } finally {
        closeSessions(sessionsCreated, ctx.getContextData());
    }
}

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From source file:org.rhq.enterprise.server.authz.RequiredPermissionsInterceptor.java

/**
 * Returns a string representation of the given invocation context so it can be displayed in messages.
 *
 * @param  invocation/*from  www  . jav  a  2s  . c om*/
 *
 * @return string containing information about the invocation
 */
private String getInvocationString(InvocationContext invocation) {
    StringBuffer buf = new StringBuffer("invocation: ");
    buf.append("method=" + invocation.getMethod().toGenericString());
    buf.append(",context-data=" + invocation.getContextData());
    return buf.toString();
}

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