Package org.apache.juneau.commons.svl.functions

Class JsonFunctions.Size

java.lang.Object

org.apache.juneau.commons.svl.TypedFunction

org.apache.juneau.commons.svl.functions.JsonFunctions.Size

All Implemented Interfaces:

VarFunction

Enclosing class:

JsonFunctions

public static class JsonFunctions.Size
extends TypedFunction

#{size(json)} — returns the count: object key count, array length, string length, or 0 for null/primitives.

Constructor Summary

Constructors

Constructor	Description
Size()

Method Summary

Modifier and Type	Method	Description
String	invoke(String json)
String	name()	The function's invocation name as it appears between #{} and the opening parenthesis in the template.

Methods inherited from class org.apache.juneau.commons.svl.TypedFunction

invoke, maxArity, minArity

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Size

public Size()

Method Details

name

public String name()

Description copied from interface: VarFunction

The function's invocation name as it appears between #{} and the opening parenthesis in the template. Must consist of ASCII letters, digits, and underscores; must begin with a letter.

Returns:

The invocation name. Never null or empty.

invoke

public String invoke(String json)