org.apache.qpid.proton.engine.Endpoint Java Examples

/**
 * Given an ErrorCondition instance create a new Exception that best matches
 * the error type that indicates a non-fatal error usually at the link level
 * such as link closed remotely or link create failed due to security access
 * issues.
 *
 * @param provider
 * 		the AMQP provider instance that originates this exception
 * @param endpoint
 *      The target of the error.
 * @param errorCondition
 *      The ErrorCondition returned from the remote peer.
 *
 * @return a new Exception instance that best matches the ErrorCondition value.
 */
public static ProviderException convertToNonFatalException(AmqpProvider provider, Endpoint endpoint, ErrorCondition errorCondition) {
    ProviderException remoteError = null;

    if (errorCondition != null && errorCondition.getCondition() != null) {
        Symbol error = errorCondition.getCondition();
        String message = extractErrorMessage(errorCondition);

        if (error.equals(AmqpError.UNAUTHORIZED_ACCESS)) {
            remoteError = new ProviderSecurityException(message);
        } else if (error.equals(AmqpError.RESOURCE_LIMIT_EXCEEDED)) {
            remoteError = new ProviderResourceAllocationException(message);
        } else if (error.equals(AmqpError.NOT_FOUND)) {
            remoteError = new ProviderInvalidDestinationException(message);
        } else if (error.equals(TransactionErrors.TRANSACTION_ROLLBACK)) {
            remoteError = new ProviderTransactionRolledBackException(message);
        } else {
            remoteError = new ProviderException(message);
        }
    } else if (remoteError == null) {
        remoteError = new ProviderException("Unknown error from remote peer");
    }

    return remoteError;
}
 

/**
 * Given an ErrorCondition instance create a new Exception that best matches
 * the error type that indicates the connection creation failed for some reason.
 *
 * @param provider
 * 		the AMQP provider instance that originates this exception
 * @param endpoint
 *      The target of the error.
 * @param errorCondition
 *      The ErrorCondition returned from the remote peer.
 *
 * @return a new Exception instance that best matches the ErrorCondition value.
 */
public static ProviderConnectionRemotelyClosedException convertToConnectionClosedException(AmqpProvider provider, Endpoint endpoint, ErrorCondition errorCondition) {
    ProviderConnectionRemotelyClosedException remoteError = null;

    if (errorCondition != null && errorCondition.getCondition() != null) {
        Symbol error = errorCondition.getCondition();
        String message = extractErrorMessage(errorCondition);

        if (error.equals(AmqpError.UNAUTHORIZED_ACCESS)) {
            remoteError = new ProviderConnectionSecurityException(message);
        } else if (error.equals(AmqpError.RESOURCE_LIMIT_EXCEEDED)) {
            remoteError = new ProviderConnectionResourceAllocationException(message);
        } else if (error.equals(ConnectionError.CONNECTION_FORCED)) {
            remoteError = new ProviderConnectionRemotelyClosedException(message);
        } else if (error.equals(AmqpError.NOT_FOUND)) {
            remoteError = new ProviderConnectionResourceNotFoundException(message);
        } else if (error.equals(ConnectionError.REDIRECT)) {
            remoteError = createRedirectException(provider, error, message, errorCondition);
        } else if (error.equals(AmqpError.INVALID_FIELD)) {
            Map<?, ?> info = errorCondition.getInfo();
            if (info != null && CONTAINER_ID.equals(info.get(INVALID_FIELD))) {
                remoteError = new ProviderInvalidClientIDException(message);
            } else {
                remoteError = new ProviderConnectionRemotelyClosedException(message);
            }
        } else {
            remoteError = new ProviderConnectionRemotelyClosedException(message);
        }
    } else if (remoteError == null) {
        remoteError = new ProviderConnectionRemotelyClosedException("Unknown error from remote peer");
    }

    return remoteError;
}
 

private void open(Endpoint endpoint) {
    if (endpoint.getLocalState() == EndpointState.UNINITIALIZED) {
        endpoint.open();
    }
}
 

private void close(Endpoint endpoint) {
    if (endpoint.getLocalState() != EndpointState.CLOSED) {
        endpoint.close();
    }
}
 

private void assertEnpointState(Endpoint endpoint, EndpointState localState, EndpointState remoteState)
{
    assertEquals("Unexpected local state", localState, endpoint.getLocalState());
    assertEquals("Unexpected remote state", remoteState, endpoint.getRemoteState());
}
 

private void assertEndpointState(Endpoint endpoint, EndpointState localState, EndpointState remoteState)
{
    assertEquals("Unexpected local state", localState, endpoint.getLocalState());
    assertEquals("Unexpected remote state", remoteState, endpoint.getRemoteState());
}
 

protected void assertEndpointState(Endpoint endpoint, EndpointState localState, EndpointState remoteState)
{
    assertEquals(localState, endpoint.getLocalState());
    assertEquals(remoteState, endpoint.getRemoteState());
}