JAVA && JSON

public static String Object2json (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 BigDecimal
|| obj instanceof BigInteger | | obj instanceof Byte) {
Json.append ("\" "). Append (String2json (obj.tostring ())). Append (" \ "");
} else if (obj instanceof object[]) {
Json.append (Array2json ((object[)) obj);
} else if (obj instanceof List) {
Json.append (List2json ((list<?>) obj));
} else if (obj instanceof Map) {
Json.append (Map2json (map<?,? >) (obj));
} else if (obj instanceof Set) {
Json.append (Set2json ((set<?>) obj));
} else {
Json.append (Bean2json (obj));
}
return json.tostring ();
}

public static String Bean2json (Object Bean) {
StringBuilder json = new StringBuilder ();
Json.append ("{");
propertydescriptor[] props = null;
try {
props = Introspector.getbeaninfo (Bean.getclass (), Object.class)
. getpropertydescriptors ();
} catch (Introspectionexception e) {
}
if (props! = null) {
for (int i = 0; i < props.length; i++) {
try {
string name = Object2json (Props[i].getname ());
String value = Object2json (Props[i].getreadmethod (). Invoke (
Bean));
Json.append (name);
Json.append (":");
Json.append (value);
Json.append (",");
} catch (Exception e) {
Logger.error ("Exception raised-------->", e);
}
}
Json.setcharat (Json.length ()-1, '} ');
} else {
Json.append ("}");
}
return json.tostring ();
}

public static String List2json (list<?> List) {
StringBuilder json = new StringBuilder ();
Json.append ("[");
if (list = null && list.size () > 0) {
for (Object obj:list) {
Json.append (Object2json (obj));
Json.append (",");
}
Json.setcharat (Json.length ()-1, '] ');
} else {
Json.append ("]");
}
return json.tostring ();
}

public static String Array2json (object[] array) {
StringBuilder json = new StringBuilder ();
Json.append ("[");
if (array! = NULL && array.length > 0) {
for (Object Obj:array) {
Json.append (Object2json (obj));
Json.append (",");
}
Json.setcharat (Json.length ()-1, '] ');
} else {
Json.append ("]");
}
return json.tostring ();
}

public static String Map2json (map<?,? > Map) {
StringBuilder json = new StringBuilder ();
Json.append ("{");
if (map! = null && map.size () > 0) {
For (Object Key:map.keySet ()) {
Json.append (Object2json (key));
Json.append (":");
Json.append (Object2json (Map.get (key));
Json.append (",");
}
Json.setcharat (Json.length ()-1, '} ');
} else {
Json.append ("}");
}
return json.tostring ();
}

public static String Set2json (set<?> Set) {
StringBuilder json = new StringBuilder ();
Json.append ("[");
if (set! = null && set.size () > 0) {
for (Object Obj:set) {
Json.append (Object2json (obj));
Json.append (",");
}
Json.setcharat (Json.length ()-1, '] ');
} else {
Json.append ("]");
}
return json.tostring ();
}

public static string String2json (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 ' \b ':
sb.append ("\\b");
Break
Case ' \f ':
sb.append ("\\f");
Break
case ' \ n ':
Sb.append ("\\n");
Break
case ' \ R ':
Sb.append ("\\r");
Break
case ' \ t ':
Sb.append ("\\t");
Break
Case '/':
Sb.append ("\\/");
Break
Default:
if (ch >= ' \u0000 ' && ch <= ' \u001f ') {
String ss = integer.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 ();
}

/***************************************************************************
* Serializes objects into JSON text
*
* @param Object
* @return
*/
public static String toJSONString (Object object) {
Jsonarray Jsonarray = Jsonarray.fromobject (object);

return jsonarray.tostring ();
}

/***************************************************************************
* Serializes a JSON object array into JSON text
*
* @param Jsonarray
* @return
*/
public static String tojsonstring (Jsonarray jsonarray) {
return jsonarray.tostring ();
}

/***************************************************************************
* Serializes JSON objects into JSON text
*
* @param jsonobject
* @return
*/
public static String tojsonstring (Jsonobject jsonobject) {
return jsonobject.tostring ();
}

/***************************************************************************
* Convert an object to a list object
*
* @param Object
* @return
*/
public static List Toarraylist (Object object) {
List arrayList = new ArrayList ();

Jsonarray Jsonarray = Jsonarray.fromobject (object);
Iterator it = Jsonarray.iterator ();
while (It.hasnext ()) {
Jsonobject Jsonobject = (jsonobject) it.next ();

Iterator keys = Jsonobject.keys ();
while (Keys.hasnext ()) {
Object key = Keys.next ();
Object value = Jsonobject.get (key);
Arraylist.add (value);
}
}

return arrayList;
}

/***************************************************************************
* Convert an object to an array of JSON objects
*
* @param Object
* @return
*/
public static Jsonarray Tojsonarray (Object object) {
return Jsonarray.fromobject (object);
}

/***************************************************************************
* Convert an object to a JSON object
*
* @param Object
* @return
*/
public static Jsonobject Tojsonobject (Object object) {
return Jsonobject.fromobject (object);
}

/***************************************************************************
* Convert an object to HashMap
*
* @param Object
* @return
*/
public static HashMap Tohashmap (Object object) {
hashmap<string, object> data = new hashmap<string, object> ();
Jsonobject Jsonobject = Tojsonobject (object);
Iterator it = Jsonobject.keys ();
while (It.hasnext ()) {
String key = String.valueof (It.next ());
Object value = Jsonobject.get (key);
Data.put (key, value);
}

return data;
}

public static TreeMap Totreemap (Object object) {
treemap<string, object> data = new treemap<string, object> ();
Jsonobject Jsonobject = Tojsonobject (object);
Iterator it = Jsonobject.keys ();
while (It.hasnext ()) {
String key = String.valueof (It.next ());
Object value = Jsonobject.get (key);
Data.put (key, value);
}
return data;
}

public static Linkedhashmap Tolinkedhashmap (Object object) {
linkedhashmap<string, object> data = new linkedhashmap<string, object> ();
Jsonobject Jsonobject = Tojsonobject (object);
Iterator it = Jsonobject.keys ();
while (It.hasnext ()) {
String key = String.valueof (It.next ());
Object value = Jsonobject.get (key);
Data.put (key, value);
}
return data;
}
/***************************************************************************
* Convert an object to list<map<string,object>>
*
* @param Object
* @return
*/
Returns a list of non-entity types (map<string,object>)
public static list<map<string, object>> toList (Object object) {
list<map<string, object>> list = new arraylist<map<string, object>> ();
Jsonarray Jsonarray = Jsonarray.fromobject (object);
for (Object Obj:jsonarray) {
Jsonobject Jsonobject = (jsonobject) obj;
map<string, object> map = new hashmap<string, object> ();
Iterator it = Jsonobject.keys ();
while (It.hasnext ()) {
String key = (string) it.next ();
Object value = Jsonobject.get (key);
Map.put (String) key, value);
}
List.add (map);
}
return list;
}

/***************************************************************************
* Converts an array of JSON objects into a list of incoming types
*
* @param <T>
* @param Jsonarray
* @param objectClass
* @return
*/
public static <T> list<t> toList (Jsonarray jsonarray, class<t> objectClass) {
Return Jsonarray.tolist (Jsonarray, ObjectClass);
}

/***************************************************************************
* Convert an object to a list of incoming types
*
* @param <T>
* @param
* @param objectClass
* @return
*/
public static <T> list<t> toList (Object object, Class<t> objectClass) {
Jsonarray Jsonarray = Jsonarray.fromobject (object);

Return Jsonarray.tolist (Jsonarray, ObjectClass);
}

/***************************************************************************
* Convert a JSON object to an object of an incoming type
*
* @param <T>
* @param jsonobject
* @param beanclass
* @return
*/
public static <T> T Tobean (jsonobject jsonobject, class<t> beanclass) {
Return (T) Jsonobject.tobean (Jsonobject, Beanclass);
}

/***************************************************************************
* Converts an object to an object of an incoming type
*
* @param <T>
* @param Object
* @param beanclass
* @return
*/
public static <T> T Tobean (Object object, Class<t> beanclass) {
Jsonobject Jsonobject = Jsonobject.fromobject (object);

Return (T) Jsonobject.tobean (Jsonobject, Beanclass);
}

/***************************************************************************
* Deserialize JSON text as the entity from the relationship
*
* @param <T>
* Generic T represents the primary entity type
* @param <D>
* Generic D stands for from entity type
* @param jsonstring
* JSON text
* @param mainClass
* Primary entity type
* @param detailname
* Attribute names from entity classes in the primary entity class
* @param detailclass
* FROM entity type
* @return
*/
public static <t, d> T Tobean (String jsonstring, class<t> MainClass,
String Detailname, class<d> detailclass) {
Jsonobject jsonobject = Jsonobject.fromobject (jsonstring);
Jsonarray Jsonarray = (jsonarray) jsonobject.get (detailname);

T mainentity = Tobean (Jsonobject, MainClass);
list<d> detaillist = toList (Jsonarray, Detailclass);

try {
Beanutils.setproperty (mainentity, Detailname, detaillist);
} catch (Exception ex) {
throw new RuntimeException ("Master-Detail JSON deserialization entity failed!") ");
}

return mainentity;
}

/***************************************************************************
* Deserializes JSON text into the entity from the relationship
*
* @param <T> Generic T
* represents the primary entity type
* @param <D1> Generic D1
* represents from entity type
* @param <D2> generics D2
* represents from entity type * @param jsonstring
* JSON text
* @param mainClass
* Primary entity type
* @param detailName1
* Properties from entity class in primary entity class
* @param detailClass1
* from entity type
* @param detailName2
* Properties from entity class in primary entity class
* @param detailClass2
* from entity type
* @ Return
*/
public static <t, D1, d2> T tobean (String jsonstring, class<t> mainClass,
string Detailna ME1, class<d1> DetailClass1, String detailName2,
class<d2> detailClass2) {
Jsonobject jsonobject = Jsonobject.fromobject (jsonstring);
Jsonarray jsonArray1 = (jsonarray) jsonobject.get (detailName1);
Jsonarray jsonArray2 = (jsonarray) jsonobject.get (detailName2);

T mainentity = Tobean (Jsonobject, MainClass);
list<d1> detailList1 = toList (JsonArray1, DETAILCLASS1);
list<d2> detailList2 = toList (JsonArray2, DETAILCLASS2);

try {
Beanutils.setproperty (mainentity, detailName1, DetailList1);
Beanutils.setproperty (mainentity, detailName2, DetailList2);
} catch (Exception ex) {
throw new RuntimeException ("Master-Detail JSON deserialization entity failed!") ");
}

return mainentity;
}

/***************************************************************************
* Deserialize JSON text as the entity from the relationship
*
* @param <T> generics T
* Represents the primary entity type
* @param <D1> generics D1
* Represents from entity type
* @param <D2> generics D2
* Represents from entity type
* @param jsonstring
* JSON text
* @param mainClass
* Primary entity type
* @param detailName1
* Attributes from the entity class in the primary entity class
* @param detailClass1
* FROM entity type
* @param detailName2
* Attributes from the entity class in the primary entity class
* @param detailClass2
* FROM entity type
* @param detailName3
* Attributes from the entity class in the primary entity class
* @param DETAILCLASS3
* FROM entity type
* @return
*/
public static <t, D1, D2, d3> T Tobean (String jsonstring,
Class<t> MainClass, String detailName1, class<d1> DetailClass1,
String detailName2, Class<d2> detailClass2, String DetailName3,
Class<d3> detailClass3) {
Jsonobject jsonobject = Jsonobject.fromobject (jsonstring);
Jsonarray jsonArray1 = (jsonarray) jsonobject.get (detailName1);
Jsonarray jsonArray2 = (jsonarray) jsonobject.get (detailName2);
Jsonarray jsonArray3 = (jsonarray) jsonobject.get (DETAILNAME3);

T mainentity = Tobean (Jsonobject, MainClass);
list<d1> detailList1 = toList (JsonArray1, DETAILCLASS1);
list<d2> detailList2 = toList (JsonArray2, DETAILCLASS2);
list<d3> detailList3 = toList (JsonArray3, DETAILCLASS3);

try {
Beanutils.setproperty (mainentity, detailName1, DetailList1);
Beanutils.setproperty (mainentity, detailName2, DetailList2);
Beanutils.setproperty (mainentity, DetailName3, DETAILLIST3);
} catch (Exception ex) {
throw new RuntimeException ("Master-Detail JSON deserialization entity failed!") ");
}

return mainentity;
}

/***************************************************************************
* Deserialize JSON text as the entity from the relationship
*
* @param <T>
* Primary entity type
* @param jsonstring
* JSON text
* @param mainClass
* Primary entity type
* @param detailclass
* Store multiple attribute names and types from entities in the primary entity
* @return
*/
public static <T> T Tobean (String jsonstring, class<t> MainClass,
Hashmap<string, class> Detailclass) {
Jsonobject jsonobject = Jsonobject.fromobject (jsonstring);
T mainentity = Tobean (Jsonobject, MainClass);
For (Object Key:detailClass.keySet ()) {
try {
Class value = (Class) Detailclass.get (key);
Beanutils.setproperty (Mainentity, key.tostring (), value);
} catch (Exception ex) {
throw new RuntimeException ("Master-Detail JSON deserialization entity failed!") ");
}
}
return mainentity;
}

public static string ToXML (String reportname,list List) {
New A StringBuilder is used to receive the XML value to be passed
StringBuilder Strbder = new StringBuilder ();
PrintWriter writer = null;

String resultname = null;
String resultcount = null;

Strbder.append ("<?xml version=\" 1.0\ "encoding=\" utf-8\ "?>");
Strbder.append ("<graph caption=\" "+reportname+" \ "" +
"Shownames=\" 1\ "decimalprecision=\" 1\ "numberformatscale=\" 1\ "basefontsize=\" 14\ "" +
"Formatnumber=\" 1\ "showvalues=\" 0\ ">");

for (int i=0;i<list.size (); i++) {
Map Currmap = (map) list.get (i);
Resultname = Currmap.get ("Resultname"). ToString ();

Resultcount = Currmap.get ("Resultcount"). ToString ();

Strbder.append ("<set name=\" "+resultname+" \ "value=\" "+resultcount+" \ "/>");

}

Strbder.append ("</graph>");
return strbder.tostring ();
}

JAVA && JSON