Package alpine.server.json

Class TrimmedStringDeserializer

java.lang.Object

com.fasterxml.jackson.databind.JsonDeserializer<String>

alpine.server.json.TrimmedStringDeserializer

All Implemented Interfaces:

com.fasterxml.jackson.databind.deser.NullValueProvider

public class TrimmedStringDeserializer
extends com.fasterxml.jackson.databind.JsonDeserializer<String>

This custom deserializer ensures that empty strings are deserialized as null rather than an "". Usage example:

 @JsonDeserialize(using = TrimmedStringDeserializer.class)
 String name;
 

Since:

1.0.0

Author:

Steve Springett

Nested Class Summary

Nested classes/interfaces inherited from class com.fasterxml.jackson.databind.JsonDeserializer

com.fasterxml.jackson.databind.JsonDeserializer.None

Constructor Summary

Constructors

Constructor	Description
TrimmedStringDeserializer()

Method Summary

Modifier and Type	Method	Description
String	deserialize(com.fasterxml.jackson.core.JsonParser jsonParser, com.fasterxml.jackson.databind.DeserializationContext context)

Methods inherited from class com.fasterxml.jackson.databind.JsonDeserializer

deserialize, deserializeWithType, deserializeWithType, findBackReference, getAbsentValue, getDelegatee, getEmptyAccessPattern, getEmptyValue, getEmptyValue, getKnownPropertyNames, getNullAccessPattern, getNullValue, getNullValue, getObjectIdReader, handledType, isCachable, logicalType, replaceDelegatee, supportsUpdate, unwrappingDeserializer

Methods inherited from class java.lang.Object

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

Constructor Details

TrimmedStringDeserializer

public TrimmedStringDeserializer()

Method Details

deserialize

public String deserialize(com.fasterxml.jackson.core.JsonParser jsonParser,
 com.fasterxml.jackson.databind.DeserializationContext context)
                   throws IOException

Specified by:

deserialize in class com.fasterxml.jackson.databind.JsonDeserializer<String>

Throws:

IOException