Package org.springframework.data.mongodb.core.query

Class SerializationUtils

java.lang.Object

org.springframework.data.mongodb.core.query.SerializationUtils

public abstract class SerializationUtils
extends Object

Utility methods for JSON serialization.

Author:

Oliver Gierke, Christoph Strobl, Mark Paluch

Method Summary

Modifier and Type	Method	Description
static Map<String,Object>	flattenMap(org.bson.Document source)	Flattens out a given Document.
static String	serializeToJsonSafely(Object value)	Serializes the given object into pseudo-JSON meaning it's trying to create a JSON representation as far as possible but falling back to the given object's Object.toString() method if it's not serializable.
static String	serializeValue(Object value)

Methods inherited from class java.lang.Object

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

Method Details

flattenMap

public static Map<String,Object> flattenMap(@Nullable
 org.bson.Document source)

Flattens out a given Document.

 
 {
   _id : 1
   nested : { value : "conflux"}
 }
 
 will result in
 
 {
   _id : 1
   nested.value : "conflux"
 }
 
 

Parameters:

source - can be null.

Returns:

Collections.emptyMap() when source is null

Since:

1.8

serializeToJsonSafely

@Nullable
public static String serializeToJsonSafely(@Nullable
 Object value)

Serializes the given object into pseudo-JSON meaning it's trying to create a JSON representation as far as possible but falling back to the given object's Object.toString() method if it's not serializable. Useful for printing raw Documents containing complex values before actually converting them into Mongo native types.

Parameters:

value -

Returns:

the serialized value or null.

serializeValue

public static String serializeValue(@Nullable
 Object value)