com.github.yongchristophertang.engine.java.handler

类 JsonTransformer

java.lang.Object

com.github.yongchristophertang.engine.java.handler.JsonTransformer

public class JsonTransformer
extends Object

Utility json transformation library

从以下版本开始:

0.4

作者:

Yong Tang

构造器概要

构造器

构造器和说明
JsonTransformer(String context)

方法概要

限定符和类型	方法和说明
String	getContext() Return the contained json string in this instance.
<T> List<T>	list(String expression, Class<T> clazz) Transform the json result to a list with T as its member class.
<K,V> Map<K,V>	map(String expression, Class<K> keyClass, Class<V> valueClass) Transform the json result to a map with K as its key class and V as its value class.
<T> T	object(String expression, Class<T> clazz) Transform the json result to an instance of T.
JsonTransformer	parse(String expression) Parse the result into a sub part json via evaluation of expression.

从类继承的方法 java.lang.Object

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

构造器详细资料

JsonTransformer

public JsonTransformer(String context)

方法详细资料

getContext

public String getContext()

Return the contained json string in this instance.

返回:

contained json string.

parse

public JsonTransformer parse(String expression)

Parse the result into a sub part json via evaluation of expression. And create another .yongchristophertang.engine.web.ResultActions instance which incorporate this json as response for further processing.

参数:

expression - the JSON path expression

object

public <T> T object(String expression,
                    Class<T> clazz)

Transform the json result to an instance of T.

参数:

clazz - the type class of transformed object

list

public <T> List<T> list(String expression,
                        Class<T> clazz)
                 throws IOException

Transform the json result to a list with T as its member class.

参数:

clazz - the type class of transformed list member object

抛出:

IOException

map

public <K,V> Map<K,V> map(String expression,
                          Class<K> keyClass,
                          Class<V> valueClass)
                   throws IOException

Transform the json result to a map with K as its key class and V as its value class.

参数:

keyClass - the type class of transformed map key object

valueClass - the type class of transformed map value object

抛出:

IOException