Package edu.uiuc.ncsa.security.util.json

Class MyJPathUtil

java.lang.Object

edu.uiuc.ncsa.security.util.json.MyJPathUtil

public class MyJPathUtil
extends Object

A utility for navigating JSON objects. You provide an absolute path or a root and a relative path. Note that arrays are treated consistently, so if /a is the path to the array, /a/0 is the zeroth element. so

     getObject(obj, "/foo/bar")
 

gets the object foo→bar. This does permit appending to an array, so if the array is at /a/b/array then

     append(json, "/a/b/array", newValue)
 

would append the value of newValue to the array.

Created by Jeff Gaynor
on 9/9/20 at 9:25 AM

Field Summary

Fields

Modifier and Type	Field	Description
protected static String	TYPE_DATE
protected static String	TYPE_INTEGER
protected static String	TYPE_JSON_ARRAY
protected static String	TYPE_JSON_OBJECT
protected static String	TYPE_LONG
protected static String	TYPE_STRING

Constructor Summary

Constructors

Constructor	Description
MyJPathUtil()

Method Summary

Modifier and Type	Method	Description
static void	append(net.sf.json.JSON json, String absPath, Object newValue)
static void	append(net.sf.json.JSON json, String root, String relativePath, Object newValue)
static boolean	containsKey(net.sf.json.JSON json, String absPath)
static boolean	containsKey(net.sf.json.JSON json, String root, String relativePath)
protected static Object	get(net.sf.json.JSON json, String absPath)
static Date	getDate(net.sf.json.JSON json, String absPath)
static Date	getDate(net.sf.json.JSON json, String root, String relativePath)
static Integer	getInt(net.sf.json.JSON json, String absPath)
static Integer	getInt(net.sf.json.JSON json, String root, String relativePath)
protected static net.sf.json.JSON	getJSON(net.sf.json.JSON current, String key)	Since the API we use is hinky about arrays and objects, this fronts the operation.
static net.sf.json.JSONArray	getJSONArray(net.sf.json.JSON json, String absPath)
static net.sf.json.JSONArray	getJSONArray(net.sf.json.JSON json, String root, String relativePath)
static net.sf.json.JSONObject	getJSONObject(net.sf.json.JSON json, String absPath)
static net.sf.json.JSONObject	getJSONObject(net.sf.json.JSON json, String root, String relativePath)
static Long	getLong(net.sf.json.JSON json, String absPath)
static Long	getLong(net.sf.json.JSON json, String root, String relativePath)
static String	getString(net.sf.json.JSON json, String absPath)
static String	getString(net.sf.json.JSON json, String root, String relativePath)
protected static int	intKey(String key)
static void	main(String[] args)
static void	set(net.sf.json.JSON json, String absPath, Object newValue)
static void	set(net.sf.json.JSON json, String root, String relativePath, Object newValue)

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_JSON_OBJECT

protected static final String TYPE_JSON_OBJECT

See Also:

Constant Field Values

TYPE_JSON_ARRAY

protected static final String TYPE_JSON_ARRAY

See Also:

Constant Field Values

TYPE_INTEGER

protected static final String TYPE_INTEGER

See Also:

Constant Field Values

TYPE_LONG

protected static final String TYPE_LONG

See Also:

Constant Field Values

TYPE_STRING

protected static final String TYPE_STRING

See Also:

Constant Field Values

TYPE_DATE

protected static final String TYPE_DATE

See Also:

Constant Field Values

Constructor Detail

MyJPathUtil

public MyJPathUtil()

Method Detail

get

protected static Object get(net.sf.json.JSON json,
                            String absPath)

getJSON

protected static net.sf.json.JSON getJSON(net.sf.json.JSON current,
                                          String key)

Since the API we use is hinky about arrays and objects, this fronts the operation. Note that this is not used on terminal nodes, merely intermediate ones. So in the path

     /a/b/c/d/e
 

It can be invoked safely on a -> b -> c -> d but e generally will require the specific type (int, long, etc.) and is not JSON.

Parameters:

current -

key -

Returns:

getJSONObject

public static net.sf.json.JSONObject getJSONObject(net.sf.json.JSON json,
                                                   String root,
                                                   String relativePath)

getJSONObject

public static net.sf.json.JSONObject getJSONObject(net.sf.json.JSON json,
                                                   String absPath)

getJSONArray

public static net.sf.json.JSONArray getJSONArray(net.sf.json.JSON json,
                                                 String root,
                                                 String relativePath)

getJSONArray

public static net.sf.json.JSONArray getJSONArray(net.sf.json.JSON json,
                                                 String absPath)

getInt

public static Integer getInt(net.sf.json.JSON json,
                             String root,
                             String relativePath)

getInt

public static Integer getInt(net.sf.json.JSON json,
                             String absPath)

getLong

public static Long getLong(net.sf.json.JSON json,
                           String root,
                           String relativePath)

getLong

public static Long getLong(net.sf.json.JSON json,
                           String absPath)

getString

public static String getString(net.sf.json.JSON json,
                               String root,
                               String relativePath)

getString

public static String getString(net.sf.json.JSON json,
                               String absPath)

getDate

public static Date getDate(net.sf.json.JSON json,
                           String root,
                           String relativePath)

getDate

public static Date getDate(net.sf.json.JSON json,
                           String absPath)

intKey

protected static int intKey(String key)

append

public static void append(net.sf.json.JSON json,
                          String root,
                          String relativePath,
                          Object newValue)

append

public static void append(net.sf.json.JSON json,
                          String absPath,
                          Object newValue)

set

public static void set(net.sf.json.JSON json,
                       String root,
                       String relativePath,
                       Object newValue)

set

public static void set(net.sf.json.JSON json,
                       String absPath,
                       Object newValue)

containsKey

public static boolean containsKey(net.sf.json.JSON json,
                                  String root,
                                  String relativePath)

containsKey

public static boolean containsKey(net.sf.json.JSON json,
                                  String absPath)

main

public static void main(String[] args)