Example usage for org.apache.commons.lang3.exception ExceptionUtils getThrowableCount

Introduction

In this page you can find the example usage for org.apache.commons.lang3.exception ExceptionUtils getThrowableCount.

Prototype

public static int getThrowableCount(final Throwable throwable) 

Source Link

Document

Counts the number of Throwable objects in the exception chain.

A throwable without cause will return 1.

Usage

From source file:com.thinkbiganalytics.nifi.rest.client.NifiRestClientExceptionTranslator.java

public static Throwable translateException(Throwable e) {

    //Return if its already translated to a NifiClientRuntimeException
    if (e instanceof NifiClientRuntimeException) {
        return e;
    }//from   www  .ja  v  a  2  s. c  o  m
    if (e instanceof NotFoundException) {
        return new NifiComponentNotFoundException(e.getMessage());
    } else if (e instanceof NullPointerException) {
        return new NifiConnectionException("Verify NiFi is running and try again", e);
    } else if (e instanceof ProcessingException) {
        int throwables = ExceptionUtils.getThrowableCount(e);
        if (throwables > 1) {
            Throwable rootCause = ExceptionUtils.getRootCause(e);
            if (rootCause instanceof NoHttpResponseException || rootCause instanceof HttpHostConnectException
                    || rootCause instanceof ConnectException) {
                //connection error
                return new NifiConnectionException(e.getMessage(), e);

            }
        }
    }
    return new NifiClientRuntimeException(e);
}

---