de.iip_ecosphere.platform.support.iip_aas.json

Class JsonUtils

java.lang.Object

de.iip_ecosphere.platform.support.iip_aas.json.JsonUtils

public class JsonUtils
extends Object

Some JSON utility methods, also reading/writing of specific types.

Author:

Holger Eichelberger, SSE

Constructor Summary

Constructors

Constructor and Description
JsonUtils()

Method Summary

Modifier and Type	Method and Description
static <R> R	fromJson(Object json, Class<R> cls) Reads an Object from a JSON string.
static de.iip_ecosphere.platform.support.ServerAddress	serverAddressFromJson(Object json) Reads a ServerAddress from a JSON string.
static String	toJson(Object obj) Turns a ServerAddress into JSON.
static String	toJson(de.iip_ecosphere.platform.support.ServerAddress address) Turns a ServerAddress into JSON.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonUtils

public JsonUtils()

Method Detail

serverAddressFromJson

public static de.iip_ecosphere.platform.support.ServerAddress serverAddressFromJson(Object json)

Reads a ServerAddress from a JSON string.

Parameters:

json - the JSON value, usually a String

Returns:

the server address or null if reading fails

See Also:

toJson(ServerAddress)

toJson

public static String toJson(de.iip_ecosphere.platform.support.ServerAddress address)

Turns a ServerAddress into JSON.

Parameters:

address - the address (may be null)

Returns:

the JSON string or an empty string in case of problems/no address

See Also:

serverAddressFromJson(Object)

toJson

public static String toJson(Object obj)

Turns a ServerAddress into JSON.

Parameters:

obj - the object (may be null), must have getters/setters for all attributes and a no-arg constructor no-arg constructor

Returns:

the JSON string or an empty string in case of problems/no address

See Also:

fromJson(Object, Class)

fromJson

public static <R> R fromJson(Object json,
                             Class<R> cls)

Reads an Object from a JSON string.

Type Parameters:

R - the object type, must have getters/setters for all attributes and a no-arg constructor

Parameters:

json - the JSON value (usually a String)

cls - the class of the type to read

Returns:

the server address or null if reading fails

See Also:

toJson(Object)