Checking null in CatnapEqualityExpression.isEqual method for the json nodes missing elements.

[Chinna-SHS]

catnap/catnap-core/src/main/java/com/github/gregwhitaker/catnap/core/query/model/CatnapEqualityExpression.java

Line 80 in b637dd5

if (String.class.isAssignableFrom(value.getClass())) {

hi Greg,
In the following response scenario if the filter key is not available in some node then I am getting null pointer exception. Could you please check this below?

1. Let's say given filter is like below
   ?fields=items[key=1]

2. Let's say response from service is like below. "key" element is missing in third node. We are trying to filter with "key=1". In this case , line number 80 is throwing null pointer exception as there is no key and value is null. We should return false in that case. What do you think?

{"items": [
{
"key": "1",
"value": "v1"
},
{
"key": "2",
"value": "v2"
},
{"value": "v3"}
]}

[gregwhitaker]

I've got a fix for this that I can push soon.

[Chinna-SHS]

Thanks.