Example usage for javax.interceptor InvocationContext proceed

Introduction

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

Prototype

public Object proceed() throws Exception;

Source Link

Document

Proceed to the next interceptor in the interceptor chain.

Usage

From source file:com.hiperium.bo.interceptor.UserAuditInterceptor.java

/**
 * /*from w w  w . j  a  v a2 s .co m*/
 * @param context
 * @return
 * @throws Exception
 */
public Object registerUserAudit(InvocationContext context) throws InformationException {
    this.log.debug("registerUserAudit() - BEGIN: " + context.getMethod().getName());
    Object result = null;
    // Validate the user session ID
    Object[] params = context.getParameters();
    String sessionId = (String) params[params.length - 1];
    if (StringUtils.isBlank(sessionId) || !this.sessionManager.isUserLoggedIn(sessionId)) {
        throw InformationException.generate(EnumI18N.COMMON, EnumInformationException.ACCESS_NOT_ALLOWED,
                Locale.getDefault());
    }
    try {
        // Identify the CRUD operation in the method invocation
        EnumCrudOperation operation = EnumCrudOperation.decodeValue(context.getMethod().getName());
        if (EnumCrudOperation.CREATE.equals(operation) || EnumCrudOperation.UPDATE.equals(operation)
                || EnumCrudOperation.DELETE.equals(operation)) {
            log.debug("CRUD OPERATION");
            result = context.proceed();
            // At the return of the method invocation we need to store the audit
            this.userAuditBO.create(context.getTarget().getClass().getSimpleName(), operation, sessionId);
        } else if (EnumCrudOperation.READ.equals(operation)) {
            log.debug("READ OPERATION");
            result = context.proceed();
        } else {
            throw InformationException.generate(EnumI18N.COMMON, EnumInformationException.ACCESS_NOT_ALLOWED,
                    this.sessionManager.findUserLocale(sessionId));
        }
    } catch (Exception e) {
        InformationException infoException = null;
        if (e.getCause() instanceof InformationException) {
            infoException = (InformationException) e;
            throw infoException;
        }
        infoException = this.exceptionManager.createMessageException(e,
                this.sessionManager.findUserLocale(sessionId));
        throw infoException;
    }
    this.log.debug("registerUserAudit() - END: " + context.getMethod().getName());
    return result;
}

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From source file:com.hiperium.bo.control.impl.DeviceBOImpl.java

/**
 *
 * @param context//w  w  w .  ja  v  a  2 s .c o  m
 * @return
 * @throws Exception
 */
@AroundInvoke
private Object validateMethod(InvocationContext context) throws Exception, InformationException {
    this.log.debug("validateMethod() - BEGIN: " + context.getMethod().getName());
    String methodName = context.getMethod().getName();
    Object result = null;

    // INTERCEPTS ONLY DEVICE OPERATION METHODS
    if ("userOperation".equals(methodName) || "homeOperation".equals(methodName)) {
        Object[] params = context.getParameters();
        String sessionId = (String) params[1];
        if (StringUtils.isBlank(sessionId) || !this.sessionManager.isUserLoggedIn(sessionId)) {
            throw InformationException.generate(EnumI18N.COMMON, EnumInformationException.ACCESS_NOT_ALLOWED,
                    Locale.getDefault());
        }

        // PROCEED WITH METHOD CALL
        try {
            DeviceDTO deviceDTO = (DeviceDTO) params[0];
            super.getDaoFactory().getDeviceDAO().updateDeviceState(deviceDTO);
            result = context.proceed();
            this.userDeviceAuditBO.create(deviceDTO, sessionId);
        } catch (Exception e) {
            InformationException infoException = null;
            if (e.getCause() instanceof InformationException) {
                infoException = (InformationException) e;
                throw infoException;
            }
            infoException = this.exceptionManager.createMessageException(e,
                    this.sessionManager.findUserLocale(sessionId));
            throw infoException;
        }
    } else {
        result = context.proceed();
    }
    this.log.debug("validateMethod() - END: " + context.getMethod().getName());
    return result;
}

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From source file:br.ufc.ivela.ejb.interceptors.BeanExceptionInterceptor.java

/**
 * Log Interceptors for EJB, it is configured by default to run over all
 * bean methods, if you wish to disable for a specific bean, use the 
 * ExcludeDefaultInterceptors annotation.
 *//* w  w  w  . ja  va  2 s  .  co  m*/
public Object log(InvocationContext invocationContext) throws Exception {
    Object result = null;
    boolean debug = logger.isDebugEnabled();
    if (debug) {
        String methodName = invocationContext.getMethod().getName();
        String className = invocationContext.getTarget().getClass().getName();
        logger.debug("Calling Method: " + className + "." + methodName);
        Object[] params = invocationContext.getParameters();
        if (params != null) {
            StringBuilder builder = new StringBuilder("Parameters: ");
            for (Object param : params) {
                builder.append('[');
                if (param != null) {
                    builder.append(param.getClass().getName());
                    builder.append(':');
                    builder.append(param.toString());
                } else {
                    logger.debug("null");
                }
                builder.append(']');
            }
            logger.debug(builder.toString());
        }
    }

    try {
        result = invocationContext.proceed();
        if (debug) {
            if (result != null)
                logger.debug("Result: " + result.getClass());
            else
                logger.debug("Result: null");
        }
    } catch (Exception e) {
        String methodName = invocationContext.getMethod().getName();
        String className = invocationContext.getTarget().getClass().getName();
        logger.error("Error in: " + className + "." + methodName, e);
        throw e;
    }
    return result;
}

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From source file:be.fedict.hsm.admin.webapp.security.SecurityInterceptor.java

@AroundInvoke
public Object securityVerification(InvocationContext invocationContext) throws Exception {
    Method method = invocationContext.getMethod();
    Class<?> clazz = invocationContext.getMethod().getDeclaringClass();
    LOG.trace("security verification: " + clazz.getSimpleName() + "." + method.getName());
    RolesAllowed rolesAllowedAnnotation = method.getAnnotation(RolesAllowed.class);
    if (null == rolesAllowedAnnotation) {
        rolesAllowedAnnotation = clazz.getAnnotation(RolesAllowed.class);
    }/*from   www  .j  a  va 2 s . com*/
    String[] allowedRoles = rolesAllowedAnnotation.value();

    FacesContext facesContext = FacesContext.getCurrentInstance();
    ExternalContext externalContext = facesContext.getExternalContext();
    HttpServletRequest httpServletRequest = (HttpServletRequest) externalContext.getRequest();
    Principal userPrincipal = httpServletRequest.getUserPrincipal();
    if (null == userPrincipal) {
        throw new SecurityException("user not logged in");
    }

    boolean userInRole = false;
    for (String allowedRole : allowedRoles) {
        if (httpServletRequest.isUserInRole(allowedRole)) {
            LOG.trace("user in role: " + allowedRole);
            userInRole = true;
            break;
        }
    }
    if (false == userInRole) {
        throw new SecurityException("user not in allowed roles");
    }

    return invocationContext.proceed();
}

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From source file:org.apache.commons.javaflow.examples.cdi.owb.interceptors.LoggableMethodInterceptor.java

@AroundInvoke
public Object manageSecurityContext(InvocationContext ctx) throws Exception {
    System.out.println("Enetering " + ctx.getMethod());
    try {//from  ww w .j  a v a 2  s.c om
        return ctx.proceed();
    } finally {
        System.out.println("Exiting " + ctx.getMethod());
    }
}

---

From source file:org.apache.commons.javaflow.examples.cdi.owb.interceptors.SecureBeanInterceptor.java

@AroundInvoke
public Object manageSecurityContext(InvocationContext ctx) throws Exception {
    System.out.println("Security Interceptor before call");
    try {/*from   ww w.  j  a v a2  s.  c om*/
        return ctx.proceed();
    } finally {
        System.out.println("Security Interceptor after call");
    }
}

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From source file:org.apache.commons.javaflow.examples.cdi.owb.interceptors.TransactionalMethodInterceptor.java

@AroundInvoke
public Object manageTransaction(InvocationContext ctx) throws Throwable {
    System.out.println("Begin transaction...");
    boolean success = true;
    try {// w  ww  .  j  a  va2s  .c  o m
        return ctx.proceed();
    } catch (final Throwable ex) {
        System.out.println("...Rollback transaction");
        success = false;
        throw ex;
    } finally {
        if (success) {
            System.out.println("...Commit transaction");
        }
    }
}

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From source file:org.apache.commons.javaflow.examples.cdi.weld.interceptors.LoggableMethodInterceptor.java

@AroundInvoke
public Object manageSecurityContext(InvocationContext ctx) throws Exception {
    System.out.println("Entering " + ctx.getMethod());
    try {//from ww  w .  j  a  v a2s.c om
        return ctx.proceed();
    } finally {
        System.out.println("Exiting " + ctx.getMethod());
    }
}

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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();
    }// w w  w  . jav a2  s . c  om

    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 {/*  w  ww  .j a  v  a 2  s.  c  o  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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