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

Class JsonFunctions.JsonPath

java.lang.Object

org.apache.juneau.commons.svl.TypedFunction

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

All Implemented Interfaces:

VarFunction

Enclosing class:

JsonFunctions

public static class JsonFunctions.JsonPath
extends TypedFunction

#{jsonPath(json, path)} / #{jsonPath(json, path, default)} — extracts a value via a slash-rooted path (e.g. "/data/0/name").

Returns the matched value as a String (objects/arrays serialize back to JSON). Missing path returns "" for the two-arg form, or default for the three-arg form.

Constructor Summary

Constructors

Constructor	Description
JsonPath()

Method Summary

Modifier and Type	Method	Description
String	invoke(String json, String path)
String	invoke(String json, String path, String defaultValue)
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

JsonPath

public JsonPath()

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,
 String path)

invoke

public String invoke(String json,
 String path,
 String defaultValue)