Json String Parsing

Json String Parsing

Package com. gamesvr. framework. util; import java. beans. introspectionException; import java. beans. introspector; import java. beans. propertyDescriptor; import java. math. bigDecimal; import java. math. bigInteger; import java. util. *; import java. text. simpleDateFormat; import net. sf. json. JSONArray; import net. sf. json. JSONObject; import net. sf. json. jsonConfig; import net. sf. json. processors. jsonValueProcessor; import net. sf. json. xml. XMLSerializer;/*** @ ClassName: JSONUtil * @ ClassRemark: * @ Author: txxs * @ UpdateRemark: * @ version: */public class JSONUtil {/*** convert objects such as object2JSONString Bean List Map to JsonString *** @ param Object obj (JavaBean List Map Array ...) * @ return JsonString */public static String object2JSONString (Object obj) {StringBuilder json = new StringBuilder (); if (obj = null) {json. append (\);} else if (obj instanceof String | obj instanceof Integer | obj instanceof Float | obj instanceof Boolean | obj instanceof Short | obj instanceof Double | obj instanceof Long | obj instanceof Integer bigDecimal | obj instanceof BigInteger | obj instanceof Byte) {json. append (). append (string2JSONString (obj. toString ())). append ();} else if (obj instanceof Object []) {json. append (array2JSONString (Object []) obj);} else if (obj instanceof List) {json. append (list2JSONString (List
 ) Obj);} else if (obj instanceof Map) {json. append (map2JSONString (Map
 ) Obj);} else if (obj instanceof Set) {json. append (set2JSONString (Set
 ) Obj);} else {json. append (bean2JSONString (obj);} return json. toString ();}/*** bean2JSONString Bean convert JsonString ** @ param Object bean * @ return JsonString */public static String bean2JSONString (Object bean) {StringBuilder json = new StringBuilder (); json. append ({); PropertyDescriptor [] props = null; try {props = Introspector. getBeanInfo (bean. getClass (), Object. class ). getPropertyDescript Ors ();} catch (IntrospectionException e) {} if (props! = Null) {for (int I = 0; I <props. length; I ++) {try {String name = object2JSONString (props [I]. getName (); String value = object2JSONString (props [I]. getReadMethod (). invoke (bean); json. append (name); json. append (:); json. append (value); json. append (,);} catch (Exception e) {}} json. setCharAt (json. length ()-1, '}');} else {json. append (});} return json. toString ();}/*** list2JSONString List convert JsonString ** @ param List list * @ return JsonString */public static String list2JSONString (List
 List) {StringBuilder json = new StringBuilder (); json. append ([); if (list! = Null & list. size ()> 0) {for (Object obj: list) {json. append (object2JSONString (obj); json. append (,);} json. setCharAt (json. length ()-1, ']');} else {json. append (]);} return json. toString ();}/*** array2JSONString Array convert JsonString ** @ param Object [] array * @ return JsonString */public static String array2JSONString (Object [] array) {StringBuilder json = new StringBuilder (); json. appe Nd ([); if (array! = Null & array. length> 0) {for (Object obj: array) {json. append (object2JSONString (obj); json. append (,);} json. setCharAt (json. length ()-1, ']');} else {json. append (]);} return json. toString ();}/*** map2JSONString Map to convert JsonString ** @ param Map * @ return JsonString */public static String map2JSONString (map
 Map) {StringBuilder json = new StringBuilder (); json. append ({); if (map! = Null & map. size ()> 0) {for (Object key: map. keySet () {json. append (object2JSONString (key); json. append (:); json. append (object2JSONString (map. get (key); json. append (,);} json. setCharAt (json. length ()-1, '}');} else {json. append (});} return json. toString ();}/*** set2JSONString Set to convert JsonString ** @ param Set * @ return JsonString */public static String set2JSONString (set
 Set) {StringBuilder json = new StringBuilder (); json. append ([); if (set! = Null & set. size ()> 0) {for (Object obj: set) {json. append (object2JSONString (obj); json. append (,);} json. setCharAt (json. length ()-1, ']');} else {json. append (]);} return json. toString ();}/*** string2JSONString conversion JsonString ** @ param String s * @ return JsonString * @ Exception (Exception object) */public static String string2JSONString (String s) {if (s = null) return; StringBuilder sb = New StringBuilder (); for (int I = 0; I <s. length (); I ++) {char ch = s. charAt (I); switch (ch) {case '': sb. append (\); break; case '\': sb. append (\); break; case '': sb. append (\ B); break; case '': sb. append (\ f); break; case '': sb. append (\ n); break; case '': sb. append (\ r); break; case '': sb. append (\ t); break; case '/': sb. append (\/); break; default: if (ch> = ''& ch <='') {String ss = Integ Er. toHexString (ch); sb. append (\ u); for (int k = 0; k <4-ss. length (); k ++) {sb. append ('0');} sb. append (ss. toUpperCase ();} else {sb. append (ch) ;}} return sb. toString ();}/*** convert jsonString2Bean from json string to object *** @ param jsonObjStr e.g. {'name': 'get', 'dateattr': '2017-11-12 '} * @ param clazz Person. class * @ return */public static Object jsonString2Bean (String jsonStr, Class clazz) {return JS ONObject. toBean (JSONObject. fromObject (jsonStr), clazz);}/*** the jsonString2Bean is converted from a json string to an object, and the object set property contains another entity Bean ** @ param jsonStr e.g. {'data': [{'name': 'get'}, {'name': 'set'}]} * @ param clazz e.g. myBean. class * @ param classMap e.g. classMap. put (data, Person. class) * @ return Object */public static Object jsonString2Bean (String jsonStr, Class clazz, Map classMap) {return JSONObject. toBean (JSONOb Ject. fromObject (jsonStr), clazz, classMap);}/*** jsonString2Array converts a json array string to a common array ** @ param jsonArrStr e.g. ['get', 1, true, null] * @ return Object [] */public static Object [] jsonString2Array (String jsonArrStr) {return JSONArray. fromObject (jsonArrStr ). toArray ();}/*** jsonString2List converts a json array string to an object array ** @ param jsonArrStr e.g. [{'name': 'get'}, {'name': 'set'}] * @ param clazz e.g. person. clas S * @ return Object [] */public static Object [] jsonString2List (String jsonArrStr, Class clazz) {JSONArray jsonArr = JSONArray. fromObject (jsonArrStr); Object [] objArr = new Object [jsonArr. size ()]; for (int I = 0; I <jsonArr. size (); I ++) {objArr [I] = JSONObject. toBean (jsonArr. getJSONObject (I), clazz);} return objArr;}/*** jsonString2List converts a json array string to an object array, and the attribute of the array element contains another instance Bean ** @ param jsonArr Str e.g. [{'data': [{'name': 'get'}]}, {'data': [{'name ': 'set'}] * @ param clazz e.g. myBean. class * @ param classMap e.g. classMap. put (data, Person. class) * @ return Object [] */public static Object [] jsonString2List (String jsonArrStr, Class clazz, Map classMap) {JSONArray array = JSONArray. fromObject (jsonArrStr); Object [] obj = new Object [array. size ()]; for (int I = 0; I <array. size (); I ++) {JSONO Bject jsonObject = array. getJSONObject (I); obj [I] = JSONObject. toBean (jsonObject, clazz, classMap);} return obj;}/*** jsonString2List converts a json array string to a set for storing common elements ** @ param jsonArrStr e.g. ['get', 1, true, null] * @ return List */public static List jsonString2List (String jsonArrStr) {JSONArray jsonArr = JSONArray. fromObject (jsonArrStr); List list = new ArrayList (); for (int I = 0; I <jsonArr. size (); I ++) {list. add (jsonArr. get (I);} return list;}/*** jsonString2ListBean converts a json array string into a set and stores the instance Bean in the Set ** @ param jsonArrStr e.g. [{'name': 'get'}, {'name': 'set'}] * @ param clazz * @ return List */public static List jsonString2ListBean (String jsonArrStr, class clazz) {JSONArray jsonArr = JSONArray. fromObject (jsonArrStr); List list = new ArrayList (); for (int I = 0; I <jsonArr. size (); I ++ ){ List. add (JSONObject. toBean (jsonArr. getJSONObject (I), clazz);} return list;}/*** jsonString2ListBean converts a json array string to a set, the object attributes in the Set contain the other instance Bean ** @ param jsonArrStr e.g. [{'data': [{'name': 'get'}]}, {'data': [{'name ': 'set'}] * @ param clazz e.g. myBean. class * @ param classMap e.g. classMap. put (data, Person. class) * @ return List */public static List jsonString2ListBean (String jsonArrStr, Class clazz, Map classMap) {JSONArray jsonArr = JSONArray. fromObject (jsonArrStr); List list = new ArrayList (); for (int I = 0; I <jsonArr. size (); I ++) {list. add (JSONObject. toBean (jsonArr. getJSONObject (I), clazz, classMap);} return list;}/*** jsonString2Map converts a json object string to a map object ** @ param jsonStr e.g. {'name': 'get', 'int': 1, 'double', 1.1, 'null': null} * @ return Map */public static Map jsonString2Map (String JsonStr) {JSONObject jsonObject = JSONObject. fromObject (jsonStr); Map map = new HashMap (); for (Iterator iter = jsonObject. keys (); iter. hasNext ();) {String key = (String) iter. next (); map. put (key, jsonObject. get (key);} return map;}/*** jsonString2MapBean converts a json object string to a map object, and the map object stores other entity beans ** @ param jsonStr e.g. {'data1': {'name': 'get'}, 'data2 ': {'name': 'set'} * @ param clazz e.g. person. c Lass * @ return Map */public static Map jsonString2MapBean (String jsonStr, Class clazz) {JSONObject jsonObject = JSONObject. fromObject (jsonStr); Map map = new HashMap (); for (Iterator iter = jsonObject. keys (); iter. hasNext ();) {String key = (String) iter. next (); map. put (key, JSONObject. toBean (jsonObject. getJSONObject (key), clazz);} return map;}/*** jsonString2MapBean converts a json object string to a map object, and maps Other entity beans in the image also contain other entity beans ** @ param jsonStr e.g. {'mybean': {'data': [{'name': 'get'}]} * @ param clazz e.g. myBean. class * @ param classMap e.g. classMap. put (data, Person. class) * @ return Map */public static Map jsonString2MapBean (String jsonStr, Class clazz, Map classMap) {JSONObject jsonObject = JSONObject. fromObject (jsonStr); Map map = new HashMap (); for (Iterator iter = jsonObject. keys (); iter. HasNext ();) {String key = (String) iter. next (); map. put (key, JSONObject. toBean (jsonObject. getJSONObject (key), clazz, classMap);} return map ;} /*** object2JsonString converts object beans, Map objects, arrays, and list sets into Json strings ** @ param obj * @ return * @ throws Exception String */public static String object2JsonString (object obj) {String jsonStr = null; // Json configuration JsonConfig jsonCfg = new JsonConfig (); // register the Date Processor jsonCfg. re GisterJsonValueProcessor (java. util. date. class, new JsonDateValueProcessor (yyyyMMdd_HHmmss); if (obj = null) {return {};} if (obj instanceof Collection | obj instanceof Object []) {jsonStr = JSONArray. fromObject (obj, jsonCfg ). toString ();} else {jsonStr = JSONObject. fromObject (obj, jsonCfg ). toString ();} return jsonStr;}/*** object2XML converts json strings, arrays, collections (collection map), and object beans into XML * XMLSeriali Zer API: * http://json-lib.sourceforge.net/apidocs/net/sf/json/xml/XMLSerializer.html * specific instance please refer to: * http://json-lib.sourceforge.net/xref-test/net/sf/json/xml/TestXMLSerializer_writes.html ** @ param obj * @ return * @ throws Exception String */public static String object2XML (Object obj) {XMLSerializer xmlSeria L = new XMLSerializer (); // Json configuration JsonConfig jsonCfg = new JsonConfig (); // register Date Processor jsonCfg. registerJsonValueProcessor (java. util. date. class, new JsonDateValueProcessor (yyyyMMdd_HHmmss); if (String. class. isInstance (obj) & String. valueOf (obj ). startsWith ([) | obj. getClass (). isArray () | Collection. class. isInstance (obj) {JSONArray jsonArr = JSONArray. fromObject (obj, jsonCfg); return xmlSerial. wr Ite (jsonArr);} else {JSONObject jsonObj = JSONObject. fromObject (obj, jsonCfg); return xmlSerial. write (jsonObj) ;}}/*** convert xml2JsonString from XML to json String ** @ param xml * @ return String */public static String xml2JsonString (String xml) {XMLSerializer xmlSerial = new XMLSerializer (); return String. valueOf (xmlSerial. read (xml) ;}}/*** @ ProjectName: srp * @ ClassName: JsonDateValueProcessor Json Date Processor *@ ClassRemark: * @ Author: T08388 * @ UpdateRemark: * @ version: 1 */class JsonDateValueProcessor implements JsonValueProcessor {private String format = signature; public JsonDateValueProcessor () {} public JsonDateValueProcessor (String format) {this. format = format;} public Object processArrayValue (Object value, JsonConfig jsonConfig) {return process (value, jsonConfig);} public Object proces SObjectValue (String key, Object value, JsonConfig jsonConfig) {return process (value, jsonConfig);} private Object process (Object value, JsonConfig jsonConfig) {if (value instanceof Date) {String str = new SimpleDateFormat (format ). format (Date) value); return str;} return value = null? Null: value. toString ();} public String getFormat () {return format;} public void setFormat (String format) {this. format = format ;}}