com.sap.cloud.security.json

Interface JsonObject

public interface JsonObject

Interface used to expose JSON data.

Method Summary

Modifier and Type	Method and Description
String	asJsonString() Returns the json object as a json string.
boolean	contains(String name)
java.time.Instant	getAsInstant(String name) Returns an Instant identified by the given property name.
<T> List<T>	getAsList(String name, Class<T> type) Parses the json object for the given property name and returns a list of type T.
Long	getAsLong(String name) Returns a Long identified by the given property name.
String	getAsString(String name) Returns the string identified by the given property name.
JsonObject	getJsonObject(String name) Returns a nested JSON object as @{link JsonObject} instance.
List<JsonObject>	getJsonObjects(String name) Returns a nested array of JSON objects as list of JsonObject instances.
Map<String,String>	getKeyValueMap() Returns a key-value map of the JSON properties.
boolean	isEmpty() Method to check if the underlying json object is empty.

Method Detail

contains

boolean contains(String name)

Parameters:

name - the name of the property.

Returns:

true if the json object contains the given property.

isEmpty

boolean isEmpty()

Method to check if the underlying json object is empty.

Returns:

true if the jsonObject is empty.

getAsList

<T> List<T> getAsList(String name,
                      Class<T> type)

Parses the json object for the given property name and returns a list of type T. If the property with the given name is not found, an empty list is returned.

Type Parameters:

T - the type of the list elements.

Parameters:

name - the property inside this json object which contains a list as values of type T.

type - type parameter for generic type T.

Returns:

the list of type T.

Throws:

JsonParsingException - if the json object with the given key is not a list or list elements are not of type T.

getAsString

@Nullable
String getAsString(String name)

Returns the string identified by the given property name. If the property with the given name is not found, null is returned.

Parameters:

name - the name of the property.

Returns:

the json string object.

Throws:

JsonParsingException - if the json object identified by the given property is not a string.

getAsInstant

@Nullable
java.time.Instant getAsInstant(String name)

Returns an Instant identified by the given property name. If the property with the given name is not found, null is returned.

Parameters:

name - the name of the property.

Returns:

the Instant object.

Throws:

JsonParsingException - if the json object identified by the given property does not represent a date in unix time.

getAsLong

@Nullable
Long getAsLong(String name)

Returns a Long identified by the given property name. If the property with the given name is not found, null is returned.

Parameters:

name -

Returns:

the Long object.

Throws:

JsonParsingException - if the json object identified by the given property does not represent a long value

getJsonObject

@Nullable
JsonObject getJsonObject(String name)

Returns a nested JSON object as @{link JsonObject} instance.

Parameters:

name - the name of property.

Returns:

the JsonObject.

Throws:

JsonParsingException - if the json object identified by the given property is not a JSON object structure.

getJsonObjects

List<JsonObject> getJsonObjects(String name)

Returns a nested array of JSON objects as list of JsonObject instances. If the property with the given name is not found, an empty list is returned.

Parameters:

name - the name of property.

Returns:

a list of JsonObject instances.

Throws:

JsonParsingException - if the json object identified by the given property is not an array of JSON objects.

getKeyValueMap

Map<String,String> getKeyValueMap()

Returns a key-value map of the JSON properties. Example:

 {
        @code
        String vcapServices = System.getenv(CFConstants.VCAP_SERVICES);
        JsonObject serviceJsonObject = new DefaultJsonObject(vcapServices).getJsonObjects(Service.XSUAA.getCFName())
                        .get(0);
        Map<String, String> xsuaaConfigMap = serviceJsonObject.getKeyValueMap();
        Map<String, String> credentialsMap = serviceJsonObject.getJsonObject(CFConstants.CREDENTIALS)
                        .getKeyValueMap();
 }
 

Returns:

the json properties as key-value map

asJsonString

String asJsonString()

Returns the json object as a json string.

Returns:

the json object in string representation.