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package httpcli.adapter.json;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class JSON {
public static JSON of(String json) throws JSONException {
if (json == null)
throw new JSONException("json == null");
if (json.isEmpty())
throw new JSONException("json is empty");
int c = json.charAt(0);
switch (c) {
case '{':
return new JSON(new JSONObject(json), null);
case '[':
return new JSON(null, new JSONArray(json));
default:
throw new JSONException("invalidate: " + json);
}
}
private final JSONObject object;
private final JSONArray array;
private final boolean isObject;
private final boolean isArray;
JSON(JSONObject object, JSONArray array) {
this.object = object;
this.array = array;
this.isObject = object != null;
this.isArray = array != null;
}
public JSONObject getObject() {
return object;
}
public JSONObject optObject(JSONObject defaultVal) {
return isObject() ? getObject() : defaultVal;
}
public JSONObject optObject() {
return isObject() ? getObject() : new JSONObject();
}
public JSONArray getArray() {
return array;
}
public JSONArray optArray(JSONArray defaultVal) {
return isArray() ? getArray() : defaultVal;
}
public JSONArray optArray() {
return isArray() ? getArray() : new JSONArray();
}
public boolean isObject() {
return isObject;
}
public boolean isArray() {
return isArray;
}
public String toString(int indentFactor) {
try {
if (isArray())
return array.toString(indentFactor);
if (isObject())
return object.toString(indentFactor);
return null;
} catch(Exception e) {
return toString();
}
}
@Override public String toString() {
if (isArray())
return array.toString();
if (isObject())
return object.toString();
return null;
}
} |