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/*
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*/
package org.jupyterkernel.json.messages;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.jupyterkernel.util.JSONField;
/**
*
* @author kay schluehr
*/
public class T_JSON {
public static String message_protocol_version = null;
private static double protocol_version = 0.0;
public static void setProtocolVersion(String protocolVersion)
{
message_protocol_version = protocolVersion;
protocol_version = Double.parseDouble(protocolVersion);
}
public static T_JSON fromJSON(String classname, JSONObject jsonObj) {
T_JSON instance;
Object value;
try {
Class cls = Class.forName("org.jupyterkernel.json.messages." + classname);
try {
instance = (T_JSON) cls.newInstance();
if (jsonObj.length() == 0) {
return instance;
}
} catch (InstantiationException | IllegalAccessException ex) {
Logger.getLogger(T_JSON.class.getName()).log(Level.SEVERE, null, ex);
return null;
}
} catch (ClassNotFoundException ex) {
Logger.getLogger(T_JSON.class.getName()).log(Level.SEVERE, null, ex);
return null;
}
Field[] fields = instance.getClass().getFields();
for (Field field : fields) {
JSONField jsonField = field.getAnnotation(JSONField.class);
if (jsonField != null) {
String name = field.getName();
try {
value = jsonObj.get(name);
} catch (JSONException e) {
continue;
}
if (jsonField.type().equals("T_JSON")) {
if (name.equals("content")) {
name = (String) jsonObj.getJSONObject("header").get("msg_type");
}
value = fromJSON("T_" + name, (JSONObject) value);
}
try {
field.set(instance, value);
} catch (IllegalArgumentException | IllegalAccessException ex) {
Logger.getLogger(T_JSON.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
return instance;
}
private boolean checkVersion(String versionString)
{
int n = versionString.length()-1;
char qual = versionString.charAt(n);
double version = Double.parseDouble(versionString.substring(0, n));
switch(qual)
{
case '+':
{
return (protocol_version>=version);
}
case '-':
{
return (protocol_version