example.java

    /*
     * (non-Javadoc)
     * @see io.apiman.gateway.engine.policies.AbstractMappedPolicy#doProcessFailure(io.apiman.gateway.engine.beans.PolicyFailure, io.apiman.gateway.engine.policy.IPolicyContext, java.lang.Object, io.apiman.gateway.engine.policy.IPolicyFailureChain)
     */
    @Override
    protected void doProcessFailure(PolicyFailure failure, IPolicyContext context, CorsConfigBean config,
            IPolicyFailureChain chain) {

        System.out.println("In process failure");
        failure.getHeaders().put("X-FROM-PROCESS-FAILURE", "Hello!");

        CaseInsensitiveStringMultiMap corsHeaders = getResponseHeaders(context);


        if(corsHeaders != EMPTY_MAP) {
            failure.getHeaders().putAll(corsHeaders.toMap());
        }

        chain.doFailure(failure);
    }