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https://issues.apache.org/jira/browse/METRON-1146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16163010#comment-16163010
]
ASF GitHub Bot commented on METRON-1146:
----------------------------------------
Github user anandsubbu commented on a diff in the pull request:
https://github.com/apache/metron/pull/727#discussion_r138362796
--- Diff:
metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/dsl/functions/StringFunctions.java
---
@@ -506,29 +506,27 @@ public Object apply(List<Object> strings) {
}
}
- @Stellar( name = "PARSE_JSON_STRING"
+ @Stellar(name = "JSON_PARSE"
, description = "Returns a JSON object for the specified JSON
string"
, params = {
"str - the JSON String to convert, may be null"
}
, returns = "an Object containing the parsed JSON string"
)
- public static class ParseJsonString extends BaseStellarFunction {
+ public static class JsonParse extends BaseStellarFunction {
@Override
public Object apply(List<Object> strings) {
if (strings == null || strings.size() == 0) {
- throw new IllegalArgumentException("[PARSE_JSON_STRING] incorrect
arguments. Usage: PARSE_JSON_STRING <String>");
+ throw new IllegalArgumentException("[JSON_PARSE] incorrect
arguments. Usage: JSON_PARSE <String>");
}
--- End diff --
Added check
> Add ability to parse JSON string into JSONObject for stellar
> ------------------------------------------------------------
>
> Key: METRON-1146
> URL: https://issues.apache.org/jira/browse/METRON-1146
> Project: Metron
> Issue Type: Bug
> Reporter: Anand Subramanian
> Assignee: Anand Subramanian
>
> Use jackson to parse a given JSON string and return a JSONObject on the
> stellar. For example:
> {code}
> MAP_GET( 'bar', PARSE_JSON_STRING( '{ "foo" : 1, "bar" : 2}' )
> {code}
> would give the output 2
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