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docs: add JavaDoc for extractFieldsForResponseIfProvided #5520

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docs: add JavaDoc for extractFieldsForResponseIfProvided #5520

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14 changes: 14 additions & 0 deletions ...ct-core/src/main/java/org/apache/fineract/infrastructure/core/api/ApiParameterHelper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,20 @@ public static Long commandId(final MultivaluedMap<String, String> queryParams) {
return id;
}

/**
* Extracts the "fields" query parameter from the API request.
*
* Example:
* GET /clients?fields=id,name,status
*
* Result:
* ["id", "name", "status"]
*
* This is used to limit response payload size and improve performance.
*
* @param queryParams HTTP query parameters
* @return Set of requested response fields, or empty set if none provided
*/
public static Set<String> extractFieldsForResponseIfProvided(final MultivaluedMap<String, String> queryParams) {
Set<String> fields = new HashSet<>();
String commaSeparatedParameters = "";
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