de.mhus.lib.core

Class MJson

java.lang.Object

de.mhus.lib.core.MJson

public class MJson
extends Object

MJson class.

Version:

$Id: $Id

Author:

mikehummel

Field Summary

Fields

Modifier and Type	Field and Description
static TransformHelper	DEFAULT_HELPER Constant DEFAULT_HELPER
static TransformStrategy	DEFAULT_STRATEGY Constant DEFAULT_STRATEGY

Constructor Summary

Constructors

Constructor and Description
MJson()

Method Summary

Modifier and Type	Method and Description
static org.codehaus.jackson.node.ArrayNode	createArrayNode() createArrayNode.
static org.codehaus.jackson.node.ObjectNode	createObjectNode() createObjectNode.
static String	encode(String in) encode.
static String	encodeValue(Object in) encodeValue.
static org.codehaus.jackson.JsonNode	getByPath(org.codehaus.jackson.JsonNode parent, String path) locate and return a json node inside a structure.
static org.codehaus.jackson.map.ObjectMapper	getMapper() Getter for the field mapper.
static String	getText(org.codehaus.jackson.JsonNode parent, String path, String def) Search a node and returns the text value.
static Object	getValue(org.codehaus.jackson.JsonNode node) getValue.
static Object	getValue(org.codehaus.jackson.JsonNode parent, String path) getValue.
static <T> T	getValue(org.codehaus.jackson.JsonNode parent, String path, T def) Search a node by path and return the value of the node.
static Object	getValue(org.codehaus.jackson.JsonNode node, TransformHelper helper) getValue.
static Object	jsonToPojo(org.codehaus.jackson.JsonNode from) Transform a json structure into an object
static Object	jsonToPojo(org.codehaus.jackson.JsonNode from, Class<?> type, TransformHelper helper) jsonToPojo.
static Object	jsonToPojo(org.codehaus.jackson.JsonNode from, TransformHelper helper) jsonToPojo.
static org.codehaus.jackson.JsonNode	load(InputStream r) load.
static org.codehaus.jackson.JsonNode	load(Reader r) load.
static org.codehaus.jackson.JsonNode	load(String in) load.
static org.codehaus.jackson.JsonNode	pojoToJson(Object from) Transform a object via pojo framework to a json structure.
static org.codehaus.jackson.JsonNode	pojoToJson(Object from, TransformHelper helper) pojoToJson.
static void	propertiesToPojo(Map<String,String> from, Object to, TransformHelper helper) propertiesToPojo.
static <T> T	read(InputStream r, Class<T> type) read.
static <T> T	read(InputStream r, T def) read.
static <T> T	read(Reader r, Class<T> type) read.
static <T> T	read(Reader r, T def) read.
static void	save(org.codehaus.jackson.JsonNode json, OutputStream w) save.
static void	save(org.codehaus.jackson.JsonNode json, Writer w) save.
static String	toString(org.codehaus.jackson.JsonNode to) toString.
static String	write(Object value) write.
static void	write(Object value, OutputStream out) write.
static void	write(Object value, Writer out) write.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_STRATEGY

public static final TransformStrategy DEFAULT_STRATEGY

Constant DEFAULT_STRATEGY

DEFAULT_HELPER

public static final TransformHelper DEFAULT_HELPER

Constant DEFAULT_HELPER

Constructor Detail

MJson

public MJson()

Method Detail

save

public static void save(org.codehaus.jackson.JsonNode json,
                        Writer w)
                 throws org.codehaus.jackson.JsonGenerationException,
                        org.codehaus.jackson.map.JsonMappingException,
                        IOException

save.

Parameters:

json - a JsonNode object.

w - a Writer object.

Throws:

org.codehaus.jackson.JsonGenerationException - if any.

org.codehaus.jackson.map.JsonMappingException - if any.

IOException - if any.

save

public static void save(org.codehaus.jackson.JsonNode json,
                        OutputStream w)
                 throws org.codehaus.jackson.JsonGenerationException,
                        org.codehaus.jackson.map.JsonMappingException,
                        IOException

save.

Parameters:

json - a JsonNode object.

w - a OutputStream object.

Throws:

org.codehaus.jackson.JsonGenerationException - if any.

org.codehaus.jackson.map.JsonMappingException - if any.

IOException - if any.

load

public static org.codehaus.jackson.JsonNode load(InputStream r)
                                          throws org.codehaus.jackson.JsonProcessingException,
                                                 IOException

load.

Parameters:

r - a InputStream object.

Returns:

a JsonNode object.

Throws:

org.codehaus.jackson.JsonProcessingException - if any.

IOException - if any.

load

public static org.codehaus.jackson.JsonNode load(String in)
                                          throws org.codehaus.jackson.JsonProcessingException,
                                                 IOException

load.

Parameters:

in - a String object.

Returns:

a JsonNode object.

Throws:

org.codehaus.jackson.JsonProcessingException - if any.

IOException - if any.

Since:

3.2.9

load

public static org.codehaus.jackson.JsonNode load(Reader r)
                                          throws org.codehaus.jackson.JsonProcessingException,
                                                 IOException

load.

Parameters:

r - a Reader object.

Returns:

a JsonNode object.

Throws:

org.codehaus.jackson.JsonProcessingException - if any.

IOException - if any.

write

public static void write(Object value,
                         OutputStream out)
                  throws org.codehaus.jackson.JsonGenerationException,
                         org.codehaus.jackson.map.JsonMappingException,
                         IOException

write.

Parameters:

value - a Object object.

out - a OutputStream object.

Throws:

org.codehaus.jackson.JsonGenerationException - if any.

org.codehaus.jackson.map.JsonMappingException - if any.

IOException - if any.

write

public static void write(Object value,
                         Writer out)
                  throws org.codehaus.jackson.JsonGenerationException,
                         org.codehaus.jackson.map.JsonMappingException,
                         IOException

write.

Parameters:

value - a Object object.

out - a Writer object.

Throws:

org.codehaus.jackson.JsonGenerationException - if any.

org.codehaus.jackson.map.JsonMappingException - if any.

IOException - if any.

write

public static String write(Object value)
                    throws org.codehaus.jackson.JsonGenerationException,
                           org.codehaus.jackson.map.JsonMappingException,
                           IOException

write.

Parameters:

value - a Object object.

Returns:

a String object.

Throws:

org.codehaus.jackson.JsonGenerationException - if any.

org.codehaus.jackson.map.JsonMappingException - if any.

IOException - if any.

Since:

3.2.9

read

public static <T> T read(InputStream r,
                         Class<T> type)
                  throws org.codehaus.jackson.JsonParseException,
                         org.codehaus.jackson.map.JsonMappingException,
                         IOException

read.

Type Parameters:

T - a T object.

Parameters:

r - a InputStream object.

type - a Class object.

Returns:

a T object.

Throws:

org.codehaus.jackson.JsonParseException - if any.

org.codehaus.jackson.map.JsonMappingException - if any.

IOException - if any.

read

public static <T> T read(Reader r,
                         Class<T> type)
                  throws org.codehaus.jackson.JsonParseException,
                         org.codehaus.jackson.map.JsonMappingException,
                         IOException

read.

Type Parameters:

T - a T object.

Parameters:

r - a Reader object.

type - a Class object.

Returns:

a T object.

Throws:

org.codehaus.jackson.JsonParseException - if any.

org.codehaus.jackson.map.JsonMappingException - if any.

IOException - if any.

read

public static <T> T read(Reader r,
                         T def)

read.

Type Parameters:

T - a T object.

Parameters:

r - a Reader object.

def - a T object.

Returns:

a T object.

read

public static <T> T read(InputStream r,
                         T def)

read.

Type Parameters:

T - a T object.

Parameters:

r - a InputStream object.

def - a T object.

Returns:

a T object.

getByPath

public static org.codehaus.jackson.JsonNode getByPath(org.codehaus.jackson.JsonNode parent,
                                                      String path)

locate and return a json node inside a structure.

Parameters:

parent - a JsonNode object.

path - slash separated path

Returns:

a JsonNode object.

getValue

public static <T> T getValue(org.codehaus.jackson.JsonNode parent,
                             String path,
                             T def)

Search a node by path and return the value of the node.

Type Parameters:

T - a T object.

Parameters:

parent - a JsonNode object.

path - see getByPath

def - a T object.

Returns:

a T object.

getValue

public static Object getValue(org.codehaus.jackson.JsonNode parent,
                              String path)

getValue.

Parameters:

parent - a JsonNode object.

path - a String object.

Returns:

a Object object.

getValue

public static Object getValue(org.codehaus.jackson.JsonNode node)

getValue.

Parameters:

node - a JsonNode object.

Returns:

a Object object.

getValue

public static Object getValue(org.codehaus.jackson.JsonNode node,
                              TransformHelper helper)

getValue.

Parameters:

node - a JsonNode object.

helper - a TransformHelper object.

Returns:

a Object object.

getText

public static String getText(org.codehaus.jackson.JsonNode parent,
                             String path,
                             String def)

Search a node and returns the text value.

Parameters:

parent - a JsonNode object.

path - a String object.

def - a String object.

Returns:

a String object.

pojoToJson

public static org.codehaus.jackson.JsonNode pojoToJson(Object from)

Transform a object via pojo framework to a json structure.

Parameters:

from - a Object object.

Returns:

a JsonNode object.

propertiesToPojo

public static void propertiesToPojo(Map<String,String> from,
                                    Object to,
                                    TransformHelper helper)
                             throws IOException

propertiesToPojo.

Parameters:

from - a Map object.

to - a Object object.

helper - a TransformHelper object.

Throws:

IOException - if any.

jsonToPojo

public static Object jsonToPojo(org.codehaus.jackson.JsonNode from)

Transform a json structure into an object

Parameters:

from - a JsonNode object.

Returns:

a Object object.

Since:

3.2.9

jsonToPojo

public static Object jsonToPojo(org.codehaus.jackson.JsonNode from,
                                TransformHelper helper)

jsonToPojo.

Parameters:

from - a JsonNode object.

helper - a TransformHelper object.

Returns:

a Object object.

createObjectNode

public static org.codehaus.jackson.node.ObjectNode createObjectNode()

createObjectNode.

Returns:

a ObjectNode object.

pojoToJson

public static org.codehaus.jackson.JsonNode pojoToJson(Object from,
                                                       TransformHelper helper)

pojoToJson.

Parameters:

from - a Object object.

helper - a TransformHelper object.

Returns:

a JsonNode object.

jsonToPojo

public static Object jsonToPojo(org.codehaus.jackson.JsonNode from,
                                Class<?> type,
                                TransformHelper helper)

jsonToPojo.

Parameters:

from - a JsonNode object.

type - a Class object.

helper - a TransformHelper object.

Returns:

a Object object.

createArrayNode

public static org.codehaus.jackson.node.ArrayNode createArrayNode()

createArrayNode.

Returns:

a ArrayNode object.

Since:

3.2.9

getMapper

public static org.codehaus.jackson.map.ObjectMapper getMapper()

Getter for the field mapper.

Returns:

a ObjectMapper object.

Since:

3.2.9

encode

public static String encode(String in)

encode.

Parameters:

in - a String object.

Returns:

a String object.

Since:

3.2.9

encodeValue

public static String encodeValue(Object in)

encodeValue.

Parameters:

in - a Object object.

Returns:

a String object.

Since:

3.2.9

toString

public static String toString(org.codehaus.jackson.JsonNode to)
                       throws org.codehaus.jackson.JsonGenerationException,
                              org.codehaus.jackson.map.JsonMappingException,
                              IOException

toString.

Parameters:

to - a JsonNode object.

Returns:

a String object.

Throws:

org.codehaus.jackson.JsonGenerationException - if any.

org.codehaus.jackson.map.JsonMappingException - if any.

IOException - if any.

Since:

3.2.9