json-smart 应用示例
添加时间:2013-8-8 点击量:
json是一种通用的数据格局。比拟与protocal buffer、thrift等数据格局,json具有可读性强(文本)、生成具备杰出的扩大性(随便增减字段)等优良特点,哄骗json作为通信和谈,开辟效力更高。当然相较于二进制和谈,文本更耗带宽。
json和HTTP和谈都是基于文本的,生成的一对。面对多终端的将来,应用Json和HTTP作为前端架构的根蒂根基将成为开辟趋势。
简介
json-smart官方主页:https://code.google.com/p/json-smart/
特点:https://code.google.com/p/json-smart/wiki/FeaturesTests
机能评测:https://code.google.com/p/json-smart/wiki/Benchmark
Json-smart-API: http://www.jarvana.com/jarvana/view/net/minidev/json-smart/1.0.9/json-smart-1.0.9-javadoc.jar!/net/minidev/json/package-summary.html
javadoc: https://github.com/u2waremanager/maven-repository/blob/master/net/minidev/json-smart/1.1.1/json-smart-1.1.1-javadoc.jar
应用示例
import net.minidev.json.JSONObject;
import net.minidev.json.JSONValue;
import net.minidev.json.JSONArray;
import net.minidev.json.JStyle;
import net.minidev.json.parser.ParseException;
import java.io.UnsupportedEncodingException;
import java.util.;
/
Home page: http://code.google.com/p/json-smart/
compiler: javac -cp json-smart-1.1.1.jar JsonSmartTest.java
Run: java -cp ./:json-smart-1.1.1.jar JsonSmartTest
/
public class JsonSmartTest {
//1. String <==> JsonObject
public static void DecodingTest() throws ParseException {
System.out.println(=======decode=======);
String s=[0,{1:{2:{3:{4:[5,{6:7}] }];
Object obj=JSONValue.parse(s);
JSONArray array=(JSONArray)obj;
System.out.println(======the 2nd element of array======);
System.out.println(array.get(1));
System.out.println();
JSONObject obj2=(JSONObject)array.get(1);
System.out.println(======field \1\==========);
System.out.println(obj2.get(1));
s={};
obj=JSONValue.parse(s);
System.out.println(obj);
s={\key\:\Value\};
// JSONValue.parseStrict()
// can be use to be sure that the input is wellformed
obj=JSONValue.parseStrict(s);
JSONObject obj3=(JSONObject)obj;
System.out.println(====== Object content ======);
System.out.println(obj3.get(key));
System.out.println();
}
public static void EncodingTest() {
System.out.println(=======EncodingTest=======);
// Json Object is an HashMap<String, Object> extends
JSONObject obj = new JSONObject();
obj.put(name, foo);
obj.put(num, 100);
obj.put(balance, 1000.21);
obj.put(is_vip, true);
obj.put(nickname,null);
System.out.println(Standard RFC4627 JSON);
System.out.println(obj.toJString());
System.out.println(Compacted JSON Value);
System.out.println(obj.toJString(JStyle.MAX_COMPRESS));
// if obj is an common map you can use:
System.out.println(Standard RFC4627 JSON);
System.out.println(JSONValue.toJString(obj));
System.out.println(Compacted JSON Value);
System.out.println(JSONValue.toJString(obj, JStyle.MAX_COMPRESS));
}
public static void EncodingTest2() {
System.out.println(=======EncodingTest2=======);
// Json Object is an HashMap<String, Object> extends
JSONObject obj = new JSONObject();
obj.put(name, foo);
obj.put(num, 100);
obj.put(balance, 1000.21);
obj.put(is_vip, true);
obj.put(nickname,null);
//Output Compressed json
Object value = obj;
String com_json = JSONValue.toJString(value, JStyle.MAX_COMPRESS);
String json = JSONValue.toJString(value, JStyle.NO_COMPRESS);
System.out.println(Compacted JSON Value);
System.out.println(com_json);
System.out.println(From RFC4627 JSON String: + JSONValue.compress(json));
System.out.println(From Compacted JSON String: + JSONValue.compress(com_json));
System.out.println(Standard RFC4627 JSON Value);
System.out.println(json);
System.out.println(From RFC4627 JSON String: + JSONValue.uncompress(json));
System.out.println(From Compacted JSON String: + JSONValue.uncompress(com_json));
// compress json string
System.out.println(From compress json string(JSONObject));
Object obj2=JSONValue.parse(com_json);
System.out.println(JSONValue.toJString(obj2, JStyle.NO_COMPRESS));
System.out.println(JSONValue.toJString(obj2, JStyle.MAX_COMPRESS));
}
//2. Java Struct <==> JsonSmart object
public class Person {
String name;
int age;
boolean single;
long mobile;
public String getName(){
return this.name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return this.age;
}
public void setAge(int age) {
this.age = age;
}
public boolean getSingle() {
return this.single;
}
public void setSingle(boolean single) {
this.single = single;
}
public long getMobile() {
return mobile;
}
public void setMobile(long mobile) {
this.mobile = mobile;
}
}
public class JSONDomain { // for convert struct <==> json
public Object result = new JSONObject();
public Object getResult() {
return result;
}
public void setResult(Object result) {
this.result = result;
}
}
public void Struct2JsonObject() {
System.out.println(========Struct2JsonObject=======);
Person person = new Person();
person.setName(json smart);
person.setAge(13);
person.setMobile(20130808);
Person person2 = new Person();
person2.setName(test);
person2.setAge(123);
person2.setMobile(888666);
List<Person> array = new ArrayList<Person>();
array.add(person);
array.add(person2);
//1. struct <==> JsonObject
JSONObject obj = new JSONObject();
//obj = (Object)person; // compiler error!
// way 1:
JSONDomain data = new JSONDomain(); // for convert
data.setResult(person);
// obj = (JSONObject)data.getResult(); // run error: ClassCastException
obj.put(person, data.getResult());
System.out.println(JSONValue.toJString(obj));
// way 2:
obj.put(person, array.get(1));
System.out.println(JSONValue.toJString(obj));
//2. Container <==> JsonObject
JSONArray jsonArray = new JSONArray();
jsonArray.add(person);
jsonArray.add(person2);
JSONObject result = new JSONObject();
result.put(persons, jsonArray);
System.out.println(JSONValue.toJString(result));
}
//3. JsonSmartSerializationTest
public static Map<String, Object> testBytes2Map(byte[] bytes) {
Map<String, Object> map = null;
try {
map = (Map<String, Object>) JSONValue.parseStrict((new String(bytes, UTF-8)));
} catch (ParseException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return map;
}
// JsonSmartSerializationTest
public static byte[] testMap2Bytes(Map<String, Object> map) {
String str = JSONObject.toJString(map);
byte[] result = null;
try {
result = str.getBytes(UTF-8);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return result;
}
public static void main(String[] args) throws Exception {
DecodingTest();
EncodingTest();
EncodingTest2();
JsonSmartTest test = new JsonSmartTest();
test.Struct2JsonObject();
}
}
参考
Java序列化与JSON序列化拼
Java序列化与JSON序列化拼2
多终端的前端架构选择
原来,再大的房子,再大的床,没有相爱的人陪伴,都只是冰冷的物质。而如果身边有爱人陪伴,即使房子小,床小,也觉得无关紧要,因为这些物质上面有了爱的温度,成了家的元素。—— 何珞《婚房》#书摘#
json是一种通用的数据格局。比拟与protocal buffer、thrift等数据格局,json具有可读性强(文本)、生成具备杰出的扩大性(随便增减字段)等优良特点,哄骗json作为通信和谈,开辟效力更高。当然相较于二进制和谈,文本更耗带宽。
json和HTTP和谈都是基于文本的,生成的一对。面对多终端的将来,应用Json和HTTP作为前端架构的根蒂根基将成为开辟趋势。
简介
json-smart官方主页:https://code.google.com/p/json-smart/
特点:https://code.google.com/p/json-smart/wiki/FeaturesTests
机能评测:https://code.google.com/p/json-smart/wiki/Benchmark
Json-smart-API: http://www.jarvana.com/jarvana/view/net/minidev/json-smart/1.0.9/json-smart-1.0.9-javadoc.jar!/net/minidev/json/package-summary.html
javadoc: https://github.com/u2waremanager/maven-repository/blob/master/net/minidev/json-smart/1.1.1/json-smart-1.1.1-javadoc.jar
应用示例
import net.minidev.json.JSONObject;
import net.minidev.json.JSONValue;
import net.minidev.json.JSONArray;
import net.minidev.json.JStyle;
import net.minidev.json.parser.ParseException;
import java.io.UnsupportedEncodingException;
import java.util.;
/
Home page: http://code.google.com/p/json-smart/
compiler: javac -cp json-smart-1.1.1.jar JsonSmartTest.java
Run: java -cp ./:json-smart-1.1.1.jar JsonSmartTest
/
public class JsonSmartTest {
//1. String <==> JsonObject
public static void DecodingTest() throws ParseException {
System.out.println(=======decode=======);
String s=[0,{1:{2:{3:{4:[5,{6:7}] }];
Object obj=JSONValue.parse(s);
JSONArray array=(JSONArray)obj;
System.out.println(======the 2nd element of array======);
System.out.println(array.get(1));
System.out.println();
JSONObject obj2=(JSONObject)array.get(1);
System.out.println(======field \1\==========);
System.out.println(obj2.get(1));
s={};
obj=JSONValue.parse(s);
System.out.println(obj);
s={\key\:\Value\};
// JSONValue.parseStrict()
// can be use to be sure that the input is wellformed
obj=JSONValue.parseStrict(s);
JSONObject obj3=(JSONObject)obj;
System.out.println(====== Object content ======);
System.out.println(obj3.get(key));
System.out.println();
}
public static void EncodingTest() {
System.out.println(=======EncodingTest=======);
// Json Object is an HashMap<String, Object> extends
JSONObject obj = new JSONObject();
obj.put(name, foo);
obj.put(num, 100);
obj.put(balance, 1000.21);
obj.put(is_vip, true);
obj.put(nickname,null);
System.out.println(Standard RFC4627 JSON);
System.out.println(obj.toJString());
System.out.println(Compacted JSON Value);
System.out.println(obj.toJString(JStyle.MAX_COMPRESS));
// if obj is an common map you can use:
System.out.println(Standard RFC4627 JSON);
System.out.println(JSONValue.toJString(obj));
System.out.println(Compacted JSON Value);
System.out.println(JSONValue.toJString(obj, JStyle.MAX_COMPRESS));
}
public static void EncodingTest2() {
System.out.println(=======EncodingTest2=======);
// Json Object is an HashMap<String, Object> extends
JSONObject obj = new JSONObject();
obj.put(name, foo);
obj.put(num, 100);
obj.put(balance, 1000.21);
obj.put(is_vip, true);
obj.put(nickname,null);
//Output Compressed json
Object value = obj;
String com_json = JSONValue.toJString(value, JStyle.MAX_COMPRESS);
String json = JSONValue.toJString(value, JStyle.NO_COMPRESS);
System.out.println(Compacted JSON Value);
System.out.println(com_json);
System.out.println(From RFC4627 JSON String: + JSONValue.compress(json));
System.out.println(From Compacted JSON String: + JSONValue.compress(com_json));
System.out.println(Standard RFC4627 JSON Value);
System.out.println(json);
System.out.println(From RFC4627 JSON String: + JSONValue.uncompress(json));
System.out.println(From Compacted JSON String: + JSONValue.uncompress(com_json));
// compress json string
System.out.println(From compress json string(JSONObject));
Object obj2=JSONValue.parse(com_json);
System.out.println(JSONValue.toJString(obj2, JStyle.NO_COMPRESS));
System.out.println(JSONValue.toJString(obj2, JStyle.MAX_COMPRESS));
}
//2. Java Struct <==> JsonSmart object
public class Person {
String name;
int age;
boolean single;
long mobile;
public String getName(){
return this.name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return this.age;
}
public void setAge(int age) {
this.age = age;
}
public boolean getSingle() {
return this.single;
}
public void setSingle(boolean single) {
this.single = single;
}
public long getMobile() {
return mobile;
}
public void setMobile(long mobile) {
this.mobile = mobile;
}
}
public class JSONDomain { // for convert struct <==> json
public Object result = new JSONObject();
public Object getResult() {
return result;
}
public void setResult(Object result) {
this.result = result;
}
}
public void Struct2JsonObject() {
System.out.println(========Struct2JsonObject=======);
Person person = new Person();
person.setName(json smart);
person.setAge(13);
person.setMobile(20130808);
Person person2 = new Person();
person2.setName(test);
person2.setAge(123);
person2.setMobile(888666);
List<Person> array = new ArrayList<Person>();
array.add(person);
array.add(person2);
//1. struct <==> JsonObject
JSONObject obj = new JSONObject();
//obj = (Object)person; // compiler error!
// way 1:
JSONDomain data = new JSONDomain(); // for convert
data.setResult(person);
// obj = (JSONObject)data.getResult(); // run error: ClassCastException
obj.put(person, data.getResult());
System.out.println(JSONValue.toJString(obj));
// way 2:
obj.put(person, array.get(1));
System.out.println(JSONValue.toJString(obj));
//2. Container <==> JsonObject
JSONArray jsonArray = new JSONArray();
jsonArray.add(person);
jsonArray.add(person2);
JSONObject result = new JSONObject();
result.put(persons, jsonArray);
System.out.println(JSONValue.toJString(result));
}
//3. JsonSmartSerializationTest
public static Map<String, Object> testBytes2Map(byte[] bytes) {
Map<String, Object> map = null;
try {
map = (Map<String, Object>) JSONValue.parseStrict((new String(bytes, UTF-8)));
} catch (ParseException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return map;
}
// JsonSmartSerializationTest
public static byte[] testMap2Bytes(Map<String, Object> map) {
String str = JSONObject.toJString(map);
byte[] result = null;
try {
result = str.getBytes(UTF-8);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return result;
}
public static void main(String[] args) throws Exception {
DecodingTest();
EncodingTest();
EncodingTest2();
JsonSmartTest test = new JsonSmartTest();
test.Struct2JsonObject();
}
}
参考
Java序列化与JSON序列化拼
Java序列化与JSON序列化拼2
多终端的前端架构选择
原来,再大的房子,再大的床,没有相爱的人陪伴,都只是冰冷的物质。而如果身边有爱人陪伴,即使房子小,床小,也觉得无关紧要,因为这些物质上面有了爱的温度,成了家的元素。—— 何珞《婚房》#书摘#