Example usage for org.aspectj.lang ProceedingJoinPoint proceed

Introduction

In this page you can find the example usage for org.aspectj.lang ProceedingJoinPoint proceed.

Prototype

public Object proceed(Object[] args) throws Throwable;

Source Link

Document

Proceed with the next advice or target method invocation.

Usage

From source file:com.invariantproperties.project.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on delete method. This is actually a no-op but it
 * allows us to log method entry./* ww w  .  j a  v a 2s.  c o  m*/
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.project.student.webservice.server.rest.AbstractResource) && args(uuid,version) && execution(* *.delete*(..))")
public Object checkParametersDelete(ProceedingJoinPoint pjp, String uuid, Integer version) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());
    final String name = pjp.getSignature().getName();
    Object results = null;

    if (!StudentUtil.isPossibleUuid(uuid)) {
        // this is a possible attack.
        if (log.isInfoEnabled()) {
            log.info(String.format("%s(): uuid", name));
        }
        results = Response.status(Status.BAD_REQUEST).build();
    } else {
        // this should be safe since parameters have been validated.
        if (log.isDebugEnabled()) {
            log.debug(String.format("%s(%s): entry", name, Arrays.toString(pjp.getArgs())));
        }
        results = pjp.proceed(pjp.getArgs());
    }

    return results;
}

---

From source file:com.invariantproperties.project.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on find methods. This is actually a no-op but it allows
 * us to log method entry./*from  w  w w . j  a  v  a 2s  . c o  m*/
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.project.student.webservice.server.rest.AbstractResource) && execution(* *.find*(..))")
public Object checkParametersFind(ProceedingJoinPoint pjp) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());

    if (log.isDebugEnabled()) {
        log.debug(String.format("%s(%s): entry", pjp.getSignature().getName(), Arrays.toString(pjp.getArgs())));
    }
    final Object results = pjp.proceed(pjp.getArgs());

    return results;
}

---

From source file:com.invariantproperties.project.student.webservice.server.rest.UnexpectedResourceExceptionHandler.java

License:Apache License

/**
 * Check for an unhandled exception from a REST resource. If we catch one
 * AND the method returns a Response we can return a Server Internal Error
 * (500) error code instead of blowing up. We need to check though since
 * some methods don't return a Response.
 * /*from  w  ww .j ava 2s  .c o  m*/
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.project.student.webservice.server.rest.AbstractResource)")
public Object checkForUnhandledException(ProceedingJoinPoint pjp) throws Throwable {
    Object results = null;
    Logger log = Logger.getLogger(pjp.getSignature().getClass());

    try {
        results = pjp.proceed(pjp.getArgs());
    } catch (ObjectNotFoundException e) {
        // this is safe to log since we know that we've passed filtering.
        String args = Arrays.toString(pjp.getArgs());
        results = Response.status(Status.NOT_FOUND).entity("object not found: " + args).build();
        if (log.isDebugEnabled()) {
            log.debug("object not found: " + args);
        }
    } catch (Exception e) {
        // find the method we called. We can't cache this since the method
        // may be overloaded
        Method method = findMethod(pjp);
        if ((method != null) && Response.class.isAssignableFrom(method.getReturnType())) {
            // if the method returns a response we can return a 500 message.
            if (!(e instanceof UnitTestException)) {
                if (log.isInfoEnabled()) {
                    log.info(String.format("%s(): unhandled exception: %s", pjp.getSignature().getName(),
                            e.getMessage()), e);
                }
            } else if (log.isTraceEnabled()) {
                log.info("unit test exception: " + e.getMessage());
            }
            results = Response.status(Status.INTERNAL_SERVER_ERROR).build();
        } else {
            // DO NOT LOG THE EXCEPTION. That just clutters the log - let
            // the final handler log it.
            throw e;
        }
    }

    return results;
}

---

From source file:com.invariantproperties.sandbox.student.webservice.security.RestParameterChecker.java

License:Apache License

/**
 * Check that the UUID is well-formed in CRUD REST service calls.
 * /*from   w w  w. j ava2  s .  c om*/
 * @param pjp
 * @param uuid
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.sandbox.student.webservice.server.rest.AbstractResource) && args(uuid,..) && (execution(* *.create*(..)) || execution(* *.delete*(..)) || execution(* *.update*(..)) || execution(* *.get*(..)))")
public Object checkUuid(ProceedingJoinPoint pjp, String uuid) throws Throwable {
    final Object[] args = pjp.getArgs();
    Object results = null;

    if (LOG.isDebugEnabled()) {
        LOG.debug(String.format("checking for bad UUID: %s(%s)...", pjp.getSignature().getName(), uuid));
    }

    if (!StudentUtil.isPossibleUuid(uuid)) {
        results = Response.status(Status.BAD_REQUEST).build();
        LOG.info(pjp.getSignature().getName() + ": attempt to use malformed UUID");
    } else {
        results = pjp.proceed(args);
    }

    return results;
}

---

From source file:com.invariantproperties.sandbox.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on create method.// w  w  w .j  av  a2 s  .  c  o m
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.sandbox.student.webservice.server.rest.AbstractResource) && args(rto,..)")
public Object checkParametersCreate(ProceedingJoinPoint pjp, Validatable rto) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());
    final String name = pjp.getSignature().getName();
    Object results = null;

    if (rto.validate()) {
        // this should be safe since parameters have been validated.
        if (log.isDebugEnabled()) {
            log.debug(String.format("%s(%s): entry", name, Arrays.toString(pjp.getArgs())));
        }
        results = pjp.proceed(pjp.getArgs());
    } else {
        // FIXME: this is unsafe
        if (log.isInfoEnabled()) {
            log.info(String.format("%s(%s): bad arguments", name, Arrays.toString(pjp.getArgs())));
        }
        // TODO: tell caller what the problems were
        results = Response.status(Status.BAD_REQUEST).build();
    }

    return results;
}

---

From source file:com.invariantproperties.sandbox.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on update method./*from  ww w . j a  va 2 s . c  o m*/
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.sandbox.student.webservice.server.rest.AbstractResource) && args(uuid,rto,..)")
public Object checkParametersUpdate(ProceedingJoinPoint pjp, String uuid, Validatable rto) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());
    final String name = pjp.getSignature().getName();
    Object results = null;

    if (!StudentUtil.isPossibleUuid(uuid)) {
        // this is a possible attack.
        if (log.isInfoEnabled()) {
            log.info(String.format("%s(): uuid", name));
        }
        results = Response.status(Status.BAD_REQUEST).build();
    } else if (rto.validate()) {
        // this should be safe since parameters have been validated.
        if (log.isDebugEnabled()) {
            log.debug(String.format("%s(%s): entry", name, Arrays.toString(pjp.getArgs())));
        }
        results = pjp.proceed(pjp.getArgs());
    } else {
        // FIXME: this is unsafe
        if (log.isInfoEnabled()) {
            log.info(String.format("%s(%s): bad arguments", name, Arrays.toString(pjp.getArgs())));
        }
        // TODO: tell caller what the problems were
        results = Response.status(Status.BAD_REQUEST).build();
    }

    return results;
}

---

From source file:com.invariantproperties.sandbox.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on delete method. This is actually a no-op but it
 * allows us to log method entry.//from w ww. ja  v  a2  s  .  co m
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.sandbox.student.webservice.server.rest.AbstractResource) && args(uuid,version) && execution(* *.delete*(..))")
public Object checkParametersDelete(ProceedingJoinPoint pjp, String uuid, Integer version) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());
    final String name = pjp.getSignature().getName();
    Object results = null;

    if (!StudentUtil.isPossibleUuid(uuid)) {
        // this is a possible attack.
        if (log.isInfoEnabled()) {
            log.info(String.format("%s(): uuid", name));
        }
        results = Response.status(Status.BAD_REQUEST).build();
    } else {
        // this should be safe since parameters have been validated.
        if (log.isDebugEnabled()) {
            log.debug(String.format("%s(%s): entry", name, Arrays.toString(pjp.getArgs())));
        }
        results = pjp.proceed(pjp.getArgs());
    }

    return results;
}

---

From source file:com.invariantproperties.sandbox.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on find methods. This is actually a no-op but it allows
 * us to log method entry./*ww  w . j  av a2 s .co  m*/
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.sandbox.student.webservice.server.rest.AbstractResource) && execution(* *.find*(..))")
public Object checkParametersFind(ProceedingJoinPoint pjp) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());

    if (log.isDebugEnabled()) {
        log.debug(String.format("%s(%s): entry", pjp.getSignature().getName(), Arrays.toString(pjp.getArgs())));
    }
    final Object results = pjp.proceed(pjp.getArgs());

    return results;
}

---

From source file:com.invariantproperties.sandbox.student.webservice.server.rest.UnexpectedResourceExceptionHandler.java

License:Apache License

/**
 * Check for an unhandled exception from a REST resource. If we catch one
 * AND the method returns a Response we can return a Server Internal Error
 * (500) error code instead of blowing up. We need to check though since
 * some methods don't return a Response.
 * //from  ww  w .jav a  2s  . c  o  m
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.sandbox.student.webservice.server.rest.AbstractResource)")
public Object checkForUnhandledException(ProceedingJoinPoint pjp) throws Throwable {
    Object results = null;
    Logger log = Logger.getLogger(pjp.getSignature().getClass());

    try {
        results = pjp.proceed(pjp.getArgs());
    } catch (ObjectNotFoundException e) {
        // this is safe to log since we know that we've passed filtering.
        String args = Arrays.toString(pjp.getArgs());
        results = Response.status(Status.NOT_FOUND).entity("object not found: " + args).build();
        if (log.isDebugEnabled()) {
            log.debug("object not found: " + args);
        }
    } catch (Exception e) {
        // find the method we called. We can't cache this since the method
        // may be overloaded
        Method method = findMethod(pjp);
        if ((method != null) && Response.class.isAssignableFrom(method.getReturnType())) {
            // if the method returns a response we can return a 500 message.
            if (!(e instanceof UnitTestException)) {
                if (log.isInfoEnabled()) {
                    log.info(String.format("%s(): unhandled exception: %s", pjp.getSignature().getName(),
                            e.getMessage()), e);
                }
            } else if (log.isTraceEnabled()) {
                log.info("unit test exception: " + e.getMessage());
            }
            results = Response.status(Status.INTERNAL_SERVER_ERROR).build();
        } else {
            // DO NOT LOG THE EXCEPTION. That just clutters the log - let
            // the final handler log it.
            throw e;
        }
    }

    return results;
}

---

From source file:com.linksinnovation.springaop.aspect.LogAspect.java

@Around("simpleService()")
public Object aroundSet(ProceedingJoinPoint pjp) throws Throwable {
    System.out.println("before");

    String x[] = new String[] { "xxxx" };

    Object proceed = pjp.proceed(x);
    System.out.println("after");
    return proceed;
}

---

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