Package com.amazonaws.serverless.proxy

Class AwsProxyExceptionHandler

java.lang.Object

com.amazonaws.serverless.proxy.AwsProxyExceptionHandler

All Implemented Interfaces:

ExceptionHandler<AwsProxyResponse>

public class AwsProxyExceptionHandler
extends Object
implements ExceptionHandler<AwsProxyResponse>

Default implementation of the ExceptionHandler object that returns AwsProxyResponse objects. Returns application/json messages with a status code of 500 when the RequestReader failed to read the incoming event or if InternalServerErrorException is thrown. For all other exceptions returns a 502. Responses are populated with a JSON object containing a message property.

See Also:

• ExceptionHandler

Field Summary

Fields

Modifier and Type	Field	Description
protected static final Headers	HEADERS

Constructor Summary

Constructors

Constructor	Description
AwsProxyExceptionHandler()

Method Summary

Modifier and Type	Method	Description
protected String	getErrorJson(String message)
AwsProxyResponse	handle(Throwable ex)	The handle method is called by the container object whenever an exception occurs in the proxy method for typed calls
void	handle(Throwable ex, OutputStream stream)	This handle implementation is called whenever an exception occurs in the stream-based proxy method.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

HEADERS

protected static final Headers HEADERS

Constructor Details

AwsProxyExceptionHandler

public AwsProxyExceptionHandler()

Method Details

handle

public AwsProxyResponse handle(Throwable ex)

Description copied from interface: ExceptionHandler

The handle method is called by the container object whenever an exception occurs in the proxy method for typed calls

Specified by:

handle in interface ExceptionHandler<AwsProxyResponse>

Parameters:

ex - The exception thrown by the application

Returns:

A valid response object

handle

public void handle(Throwable ex,
 OutputStream stream)
            throws IOException

Description copied from interface: ExceptionHandler

This handle implementation is called whenever an exception occurs in the stream-based proxy method.

Specified by:

handle in interface ExceptionHandler<AwsProxyResponse>

Parameters:

ex - The exception thrown by the application

stream - The OutputStream where the exception will be written

Throws:

IOException - When the exception handler fails to write to the OutputStream

getErrorJson

protected String getErrorJson(String message)