Github user brightchen commented on a diff in the pull request:
https://github.com/apache/incubator-apex-malhar/pull/103#discussion_r45141784
--- Diff:
library/src/main/java/com/datatorrent/lib/appdata/gpo/GPOUtils.java ---
@@ -178,33 +227,40 @@ public static void setFieldFromJSON(GPOMutable gpo,
Type type, String field, JSO
*/
public static void setFieldFromJSON(GPOMutable gpo, String field,
JSONObject jo)
{
- Type type = gpo.getFieldDescriptor().getType(field);
+ Object val = getFieldFromJSON(gpo.getFieldDescriptor(), field, jo);
+ gpo.setFieldGeneric(field, val);
+ }
- if(type == Type.BOOLEAN) {
- Boolean val;
+ /**
+ * This method gets the given field from the given {@link JSONObject}
and converts the field to an object
+ * of the type specified in the given {@link FieldsDescriptor}.
+ * @param fd The {@link FieldsDescriptor} describing the type of each
field.
+ * @param field The field to retrieve from the given {@link JSONObject}.
+ * @param jo The {@link JSONObject} to retrieve a field from.
+ * @return The value of the given field converted to an object of the
correct type.
+ */
+ public static Object getFieldFromJSON(FieldsDescriptor fd, String field,
JSONObject jo)
--- End diff --
maybe can combine the logic of integer numeric( byte, short, int ). such as
if(isIntegerNumeric(type))
{
int val = jo.getInt(field);
if( !insideRange(val, type) )
throw new IllegalArgumentException( "value {} out of range of type {}"
);
}
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