- package comm;
-
- import java.text.SimpleDateFormat;
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.Date;
- import java.util.HashMap;
- import java.util.Iterator;
- import java.util.List;
- import java.util.Map;
-
- import net.sf.ezmorph.MorpherRegistry;
- import net.sf.ezmorph.object.DateMorpher;
- 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.util.JSONUtils;
- import net.sf.json.xml.XMLSerializer;
-
- public class JsonUtil {
-
-
- static {
-
- MorpherRegistry mr = JSONUtils.getMorpherRegistry();
-
-
- DateMorpher dm = new DateMorpher(new String[] { Util.YYYY_MM_DD,
- Util.YYYY_MM_DD_HH_MM_ss, Util.HH_MM_ss, Util.YYYYMMDD,
- Util.YYYYMMDDHHMMSS, Util.HHMMss });
- mr.registerMorpher(dm);
- }
-
-
- public static Object getDtoFromJsonObjStr(String jsonObjStr, Class clazz) {
- return JSONObject.toBean(JSONObject.fromObject(jsonObjStr), clazz);
- }
-
-
- public static Object getDtoFromJsonObjStr(String jsonObjStr, Class clazz, Map classMap) {
- return JSONObject.toBean(JSONObject.fromObject(jsonObjStr), clazz, classMap);
- }
-
-
- public static Object[] getArrFromJsonArrStr(String jsonArrStr) {
- return JSONArray.fromObject(jsonArrStr).toArray();
- }
-
-
- public static Object[] getDtoArrFromJsonArrStr(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;
- }
-
-
- public static Object[] getDtoArrFromJsonArrStr(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++) {
- JSONObject jsonObject = array.getJSONObject(i);
- obj[i] = JSONObject.toBean(jsonObject, clazz, classMap);
- }
- return obj;
- }
-
-
- public static List getListFromJsonArrStr(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;
- }
-
-
- public static List getListFromJsonArrStr(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;
- }
-
-
- public static List getListFromJsonArrStr(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;
- }
-
-
- public static Map getMapFromJsonObjStr(String jsonObjStr) {
- JSONObject jsonObject = JSONObject.fromObject(jsonObjStr);
-
- Map map = new HashMap();
- for (Iterator iter = jsonObject.keys(); iter.hasNext();) {
- String key = (String) iter.next();
- map.put(key, jsonObject.get(key));
- }
- return map;
- }
-
-
- public static Map getMapFromJsonObjStr(String jsonObjStr, Class clazz) {
- JSONObject jsonObject = JSONObject.fromObject(jsonObjStr);
-
- 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;
- }
-
-
- public static Map getMapFromJsonObjStr(String jsonObjStr, Class clazz, Map classMap) {
- JSONObject jsonObject = JSONObject.fromObject(jsonObjStr);
-
- 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;
- }
-
-
- public static String getJsonStr(Object obj) {
- String jsonStr = null;
-
- JsonConfig jsonCfg = new JsonConfig();
-
-
- jsonCfg.registerJsonValueProcessor(java.util.Date.class,
- new JsonDateValueProcessor(Util.YYYY_MM_DD_HH_MM_ss));
- 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;
- }
-
-
- public static String getXMLFromObj(Object obj) {
- XMLSerializer xmlSerial = new XMLSerializer();
-
-
- JsonConfig jsonCfg = new JsonConfig();
-
-
- jsonCfg.registerJsonValueProcessor(java.util.Date.class,
- new JsonDateValueProcessor(Util.YYYY_MM_DD_HH_MM_ss));
-
- if ((String.class.isInstance(obj) && String.valueOf(obj).startsWith("["))
- || obj.getClass().isArray() || Collection.class.isInstance(obj)) {
- JSONArray jsonArr = JSONArray.fromObject(obj, jsonCfg);
- return xmlSerial.write(jsonArr);
- } else {
- JSONObject jsonObj = JSONObject.fromObject(obj, jsonCfg);
- return xmlSerial.write(jsonObj);
- }
- }
-
-
- public static String getJsonStrFromXML(String xml) {
- XMLSerializer xmlSerial = new XMLSerializer();
- return String.valueOf(xmlSerial.read(xml));
- }
-
- }
-
- class JsonDateValueProcessor implements JsonValueProcessor {
-
- private String format = Util.YYYY_MM_DD_HH_MM_ss;
-
- public JsonDateValueProcessor() {
-
- }
-
- public JsonDateValueProcessor(String format) {
- this.format = format;
- }
-
- public Object processArrayValue(Object value, JsonConfig jsonConfig) {
- return process(value, jsonConfig);
- }
-
- public Object processObjectValue(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;
- }
-
- }
JsonUtilTest
- package comm.test;
-
- import java.text.SimpleDateFormat;
- import java.util.ArrayList;
- import java.util.Date;
- import java.util.HashMap;
- import java.util.Iterator;
- import java.util.LinkedHashMap;
- import java.util.LinkedHashSet;
- import java.util.List;
- import java.util.Map;
- import java.util.Set;
-
- import junit.framework.TestCase;
-
- import comm.JsonUtil;
-
- public class JsonUtilTest extends TestCase {
-
-
- public void testGetDtoFromJsonObjStr1() {
- String json = "{‘name‘:‘get‘,‘dateAttr‘:‘2009-11-12‘}";
- Person ps = (Person) JsonUtil.getDtoFromJsonObjStr(json, Person.class);
-
- System.out.println(ps.getName());
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
-
- System.out.println(sdf.format(ps.getDateAttr()));
- }
-
-
- public void testGetDtoFromJsonObjStr3() {
- String json = "{‘data‘:[{‘name‘:‘get‘},{‘name‘:‘set‘}]}";
- Map classMap = new HashMap();
- classMap.put("data", Person.class);
- MyBean myBean = (MyBean) JsonUtil.getDtoFromJsonObjStr(json, MyBean.class,
- classMap);
-
- System.out.println(myBean.getData().get(0).getClass() + " name ="
- + ((Person) myBean.getData().get(0)).getName());
-
- System.out.println(myBean.getData().get(1).getClass() + " name ="
- + ((Person) myBean.getData().get(1)).getName());
- }
-
-
- public void testGetArrFromJsonArrStr() {
- String json = "[‘get‘,1,true,null]";
- Object[] objArr = JsonUtil.getArrFromJsonArrStr(json);
- for (int i = 0; i < objArr.length; i++) {
- System.out.println(objArr[i].getClass() + " " + objArr[i]);
- }
-
- }
-
-
- public void testGetDtoArrFromJsonArrStr1() {
- String json = "[{‘name‘:‘get‘},{‘name‘:‘set‘}]";
- Object[] objArr = JsonUtil.getDtoArrFromJsonArrStr(json, Person.class);
- for (int i = 0; i < objArr.length; i++) {
- System.out.println(objArr[i].getClass() + " name = "
- + ((Person) objArr[i]).getName());
- }
-
- }
-
-
- public void testGetDtoArrFromJsonArrStr2() {
- String json = "[{‘data‘:[{‘name‘:‘get‘}]},{‘data‘:[{‘name‘:‘set‘}]}]";
- Map classMap = new HashMap();
- classMap.put("data", Person.class);
- Object[] objArr = JsonUtil.getDtoArrFromJsonArrStr(json, MyBean.class, classMap);
- for (int i = 0; i < objArr.length; i++) {
- System.out.println(((MyBean) objArr[i]).getData().get(0).getClass()
- + " name = "
- + ((Person) ((MyBean) objArr[i]).getData().get(0)).getName());
- }
-
- }
-
-
- public void testGetListFromJsonArrStr1() {
- String json = "[‘get‘,1,true,null]";
- List list = JsonUtil.getListFromJsonArrStr(json);
- for (int i = 0; i < list.size(); i++) {
- System.out.println(list.get(i).getClass() + " " + list.get(i));
- }
-
- }
-
-
- public void testGetListFromJsonArrStr2() {
- String json = "[{‘name‘:‘get‘},{‘name‘:‘set‘}]";
- List list = JsonUtil.getListFromJsonArrStr(json, Person.class);
- for (int i = 0; i < list.size(); i++) {
- System.out.println(list.get(i).getClass() + " name = "
- + ((Person) list.get(i)).getName());
- }
-
- }
-
-
- public void testGetListFromJsonArrStr3() {
- String json = "[{‘data‘:[{‘name‘:‘get‘}]},{‘data‘:[{‘name‘:‘set‘}]}]";
- Map classMap = new HashMap();
- classMap.put("data", Person.class);
- List list = JsonUtil.getListFromJsonArrStr(json, MyBean.class, classMap);
- for (int i = 0; i < list.size(); i++) {
- System.out.println(((MyBean) list.get(i)).getData().get(0).getClass()
- + " name = "
- + ((Person) ((MyBean) list.get(i)).getData().get(0)).getName());
- }
-
- }
-
-
- public void testGetMapFromJsonObjStr() {
- String json = "{‘name‘:‘get‘,‘int‘:1,‘double‘:1.1,‘null‘:null}";
- Map map = JsonUtil.getMapFromJsonObjStr(json);
- for (Iterator iter = map.keySet().iterator(); iter.hasNext();) {
- System.out.println(map.get(iter.next()).getClass());
- }
-
- }
-
-
- public void testGetMapFromJsonObjStr2() {
- String json = "{‘data1‘:{‘name‘:‘get‘},‘data2‘:{‘name‘:‘set‘}}";
- Map map = JsonUtil.getMapFromJsonObjStr(json, Person.class);
- for (Iterator iter = map.keySet().iterator(); iter.hasNext();) {
- String key = (String) iter.next();
- System.out.println(map.get(key).getClass() + " name="
- + ((Person) map.get(key)).getName());
- }
-
- }
-
-
- public void testGetMapFromJsonObjStr3() {
- String json = "{‘mybean‘:{‘data‘:[{‘name‘:‘get‘}]}}";
- Map classMap = new HashMap();
- classMap.put("data", Person.class);
- Map map = JsonUtil.getMapFromJsonObjStr(json, MyBean.class, classMap);
- for (Iterator iter = map.keySet().iterator(); iter.hasNext();) {
- String key = (String) iter.next();
- Object o = ((MyBean) map.get(key)).getData().get(0);
- System.out.println(o.getClass() + " name=" + ((Person) o).getName());
- }
-
- }
-
-
- public void testgetJsonStr1() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- MyBean myBean = new MyBean();
- List list = new ArrayList();
- list.add(ps);
-
- myBean.setData(list);
-
- System.out.println(JsonUtil.getJsonStr(myBean));
- }
-
-
- public void testgetJsonStr2() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- Map map = new LinkedHashMap();
- map.put("person1", ps);
-
-
- System.out.println(JsonUtil.getJsonStr(map));
- }
-
-
- public void testgetJsonStr3() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- Person[] personArr = new Person[1];
- personArr[0] = ps;
-
- System.out.println(JsonUtil.getJsonStr(personArr));
- }
-
-
- public void testgetJsonStr4() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- List list = new ArrayList();
- list.add(ps);
-
-
- System.out.println(JsonUtil.getJsonStr(list));
- }
-
-
- public void testgetJsonStr5() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- Set set = new LinkedHashSet();
- set.add(ps);
-
-
- System.out.println(JsonUtil.getJsonStr(set));
- }
-
-
- public void testGetXMLFromObj1() {
- System.out.println(JsonUtil
- .getXMLFromObj("{/"name/":/"json/",/"bool/":true,/"int/":1}"));
-
- }
-
-
- public void testGetXMLFromObj2() {
- System.out.println(JsonUtil.getXMLFromObj("[1,2,3]"));
-
- }
-
-
- public void testGetXMLFromObj3() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- Person[] personArr = new Person[2];
- personArr[0] = ps;
-
- System.out.println(JsonUtil.getXMLFromObj(personArr));
-
- }
-
-
- public void testGetXMLFromObj4() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- List list = new ArrayList();
- list.add(ps);
-
- System.out.println(JsonUtil.getXMLFromObj(list));
-
- }
-
-
- public void testGetXMLFromObj5() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- Set set = new LinkedHashSet();
- set.add(ps);
-
- System.out.println(JsonUtil.getXMLFromObj(set));
-
- }
-
-
- public void testGetXMLFromObj6() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- Map map = new HashMap();
- map.put("person1", ps);
-
- System.out.println(JsonUtil.getXMLFromObj(map));
-
- }
-
-
- public void testGetXMLFromObj7() {
- Person ps = new Person();
- ps.setDateAttr(new Date());
- ps.setName("get");
- System.out.println(JsonUtil.getXMLFromObj(ps));
-
- }
-
-
- public void testGetJsonStrFromXML1() {
- String xml = "<o><dateAttr type=‘string‘>2009-09-12 07:13:02</dateAttr>"
- + "<name type=‘string‘>get</name></o>";
-
- System.out.println(JsonUtil.getJsonStrFromXML(xml));
- }
-
-
- public void testGetJsonStrFromXML2() {
- String xml = "<a class=‘array‘><e class=‘object‘><dateAttr type=‘string‘>2009-09-12 07:04:38</dateAttr>"
- + "<name type=‘string‘>get</name></e></a>";
-
- System.out.println(JsonUtil.getJsonStrFromXML(xml));
- }
- }
JsonUtil工具类
原文:http://www.cnblogs.com/dengbz/p/5553831.html