com.bazaarvoice.jolt

Class JsonUtilImpl

java.lang.Object

com.bazaarvoice.jolt.JsonUtilImpl

All Implemented Interfaces:

JsonUtil

public class JsonUtilImpl
extends Object
implements JsonUtil

Implementation of JsonUtil that allows the user to provide a configured Jackson ObjectMapper. All IOExceptions are caught, wrapped with context, and rethrown as RuntimeExceptions.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_ENCODING_UTF_8

Constructor Summary

Constructors

Constructor and Description
JsonUtilImpl()
JsonUtilImpl(com.fasterxml.jackson.databind.ObjectMapper objectMapper) By allowing the user to provide an ObjectMapper, it can be configured with knowledge of how to marshall and un-marshall your domain objects.

Method Summary

Modifier and Type	Method and Description
List<Object>	classpathToList(String classPath)
Map<String,Object>	classpathToMap(String classPath)
Object	classpathToObject(String classPath)
<T> T	classpathToType(String classPath, Class<T> aClass)
<T> T	classpathToType(String classPath, com.fasterxml.jackson.core.type.TypeReference<T> typeRef)
Object	cloneJson(Object obj) Makes a deep copy of a Map object by converting it to a String and then back onto stock JSON objects.
static void	configureStockJoltObjectMapper(com.fasterxml.jackson.databind.ObjectMapper objectMapper)
List<Object>	filepathToList(String filePath)
Map<String,Object>	filepathToMap(String filePath)
Object	filepathToObject(String filePath)
<T> T	fileToType(String filePath, Class<T> aClass)
<T> T	fileToType(String filePath, com.fasterxml.jackson.core.type.TypeReference<T> typeRef)
<T> T	jsonTo(InputStream in, com.fasterxml.jackson.core.type.TypeReference<T> typeRef) Deprecated.
<T> T	jsonTo(String json, com.fasterxml.jackson.core.type.TypeReference<T> typeRef) Deprecated.
List<Object>	jsonToList(InputStream in)
List<Object>	jsonToList(String json)
List<Object>	jsonToList(String json, String charset)
Map<String,Object>	jsonToMap(InputStream in)
Map<String,Object>	jsonToMap(String json)
Map<String,Object>	jsonToMap(String json, String charset)
Object	jsonToObject(InputStream in)
Object	jsonToObject(String json)
Object	jsonToObject(String json, String charset)
<T> T	streamToType(InputStream in, Class<T> aClass)
<T> T	streamToType(InputStream in, com.fasterxml.jackson.core.type.TypeReference<T> typeRef)
<T> T	stringToType(String json, Class<T> aClass)
<T> T	stringToType(String json, com.fasterxml.jackson.core.type.TypeReference<T> typeRef)
String	toJsonString(Object obj)
String	toPrettyJsonString(Object obj)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_ENCODING_UTF_8

public static final String DEFAULT_ENCODING_UTF_8

See Also:

Constant Field Values

Constructor Detail

JsonUtilImpl

public JsonUtilImpl(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

By allowing the user to provide an ObjectMapper, it can be configured with knowledge of how to marshall and un-marshall your domain objects.

Parameters:

objectMapper - a configured Jackson ObjectMapper

JsonUtilImpl

public JsonUtilImpl()

Method Detail

configureStockJoltObjectMapper

public static void configureStockJoltObjectMapper(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

jsonToObject

public Object jsonToObject(String json)

Specified by:

jsonToObject in interface JsonUtil

jsonToObject

public Object jsonToObject(String json,
                           String charset)

Specified by:

jsonToObject in interface JsonUtil

jsonToObject

public Object jsonToObject(InputStream in)

Specified by:

jsonToObject in interface JsonUtil

jsonToMap

public Map<String,Object> jsonToMap(String json)

Specified by:

jsonToMap in interface JsonUtil

jsonToMap

public Map<String,Object> jsonToMap(String json,
                                    String charset)

Specified by:

jsonToMap in interface JsonUtil

jsonToMap

public Map<String,Object> jsonToMap(InputStream in)

Specified by:

jsonToMap in interface JsonUtil

jsonToList

public List<Object> jsonToList(String json)

Specified by:

jsonToList in interface JsonUtil

jsonToList

public List<Object> jsonToList(String json,
                               String charset)

Specified by:

jsonToList in interface JsonUtil

jsonToList

public List<Object> jsonToList(InputStream in)

Specified by:

jsonToList in interface JsonUtil

filepathToObject

public Object filepathToObject(String filePath)

Specified by:

filepathToObject in interface JsonUtil

filepathToMap

public Map<String,Object> filepathToMap(String filePath)

Specified by:

filepathToMap in interface JsonUtil

filepathToList

public List<Object> filepathToList(String filePath)

Specified by:

filepathToList in interface JsonUtil

classpathToObject

public Object classpathToObject(String classPath)

Specified by:

classpathToObject in interface JsonUtil

classpathToMap

public Map<String,Object> classpathToMap(String classPath)

Specified by:

classpathToMap in interface JsonUtil

classpathToList

public List<Object> classpathToList(String classPath)

Specified by:

classpathToList in interface JsonUtil

jsonTo

@Deprecated
public <T> T jsonTo(InputStream in,
                                com.fasterxml.jackson.core.type.TypeReference<T> typeRef)

Deprecated.

Description copied from interface: JsonUtil

Use the streamToType method instead.

Specified by:

jsonTo in interface JsonUtil

jsonTo

@Deprecated
public <T> T jsonTo(String json,
                                com.fasterxml.jackson.core.type.TypeReference<T> typeRef)

Deprecated.

Description copied from interface: JsonUtil

Use the stringToType method instead.

Specified by:

jsonTo in interface JsonUtil

stringToType

public <T> T stringToType(String json,
                          com.fasterxml.jackson.core.type.TypeReference<T> typeRef)

Specified by:

stringToType in interface JsonUtil

stringToType

public <T> T stringToType(String json,
                          Class<T> aClass)

Specified by:

stringToType in interface JsonUtil

classpathToType

public <T> T classpathToType(String classPath,
                             com.fasterxml.jackson.core.type.TypeReference<T> typeRef)

Specified by:

classpathToType in interface JsonUtil

classpathToType

public <T> T classpathToType(String classPath,
                             Class<T> aClass)

Specified by:

classpathToType in interface JsonUtil

fileToType

public <T> T fileToType(String filePath,
                        com.fasterxml.jackson.core.type.TypeReference<T> typeRef)

Specified by:

fileToType in interface JsonUtil

fileToType

public <T> T fileToType(String filePath,
                        Class<T> aClass)

Specified by:

fileToType in interface JsonUtil

streamToType

public <T> T streamToType(InputStream in,
                          com.fasterxml.jackson.core.type.TypeReference<T> typeRef)

Specified by:

streamToType in interface JsonUtil

streamToType

public <T> T streamToType(InputStream in,
                          Class<T> aClass)

Specified by:

streamToType in interface JsonUtil

toJsonString

public String toJsonString(Object obj)

Specified by:

toJsonString in interface JsonUtil

toPrettyJsonString

public String toPrettyJsonString(Object obj)

Specified by:

toPrettyJsonString in interface JsonUtil

cloneJson

public Object cloneJson(Object obj)

Description copied from interface: JsonUtil

Makes a deep copy of a Map object by converting it to a String and then back onto stock JSON objects. Leverages Serialization

Specified by:

cloneJson in interface JsonUtil

Parameters:

obj - object tree to copy

Returns:

deep copy of the incoming obj