import
java.util.List;
import java.util.Map;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
public class GsonUtil {
PRivate static Gson gson = null;
static {
if (gson == null) {
gson = new Gson();
}
}
private GsonUtil() {
}
/**
* 转成json
*
* @param object
* @return
*/
public static String GsonString(Object object) {
String gsonString = null;
if (gson != null) {
gsonString = gson.toJson(object);
}
return gsonString;
}
/**
* 转成bean
*
* @param gsonString
* @param cls
* @return
*/
public static <T> T GsonToBean(String gsonString, Class<T> cls) {
T t = null;
if (gson != null) {
t = gson.fromJson(gsonString, cls);
}
return t;
}
/**
* 转成list
*
* @param gsonString
* @param cls
* @return
*/
public static <T> List<T> GsonToList(String gsonString, Class<T> cls) {
List<T> list = null;
if (gson != null) {
list = gson.fromJson(gsonString, new TypeToken<List<T>>() {
}.getType());
}
return list;
}
/**
* 转成list中有map的
*
* @param gsonString
* @return
*/
public static <T> List<Map<String, T>> GsonToListMaps(String gsonString) {
List<Map<String, T>> list = null;
if (gson != null) {
list = gson.fromJson(gsonString,
new TypeToken<List<Map<String, T>>>() {
}.getType());
}
return list;
}
/**
* 转成map的
*
* @param gsonString
* @return
*/
public static <T> Map<String, T> GsonToMaps(String gsonString) {
Map<String, T> map = null;
if (gson != null) {
map = gson.fromJson(gsonString, new TypeToken<Map<String, T>>() {
}.getType());
}
return map;
}
