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Diffstat (limited to 'src/org/traccar/web/JsonConverter.java')
| -rw-r--r-- | src/org/traccar/web/JsonConverter.java | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/src/org/traccar/web/JsonConverter.java b/src/org/traccar/web/JsonConverter.java deleted file mode 100644 index bec0afe8e..000000000 --- a/src/org/traccar/web/JsonConverter.java +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright 2015 - 2016 Anton Tananaev (anton@traccar.org) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package org.traccar.web; - -import org.joda.time.DateTime; -import org.joda.time.format.DateTimeFormatter; -import org.joda.time.format.ISODateTimeFormat; -import org.traccar.helper.Log; -import org.traccar.model.MiscFormatter; - -import javax.json.Json; -import javax.json.JsonArray; -import javax.json.JsonArrayBuilder; -import javax.json.JsonObject; -import javax.json.JsonObjectBuilder; -import javax.json.JsonReader; -import javax.json.JsonValue; -import java.beans.Introspector; -import java.io.Reader; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; -import java.text.ParseException; -import java.util.Collection; -import java.util.Date; -import java.util.List; -import java.util.Map; - -public final class JsonConverter { - - private JsonConverter() { - } - - private static final DateTimeFormatter DATE_FORMAT = ISODateTimeFormat.dateTime(); - - public static Date parseDate(String value) { - return DATE_FORMAT.parseDateTime(value).toDate(); - } - - public static <T> T objectFromJson(Reader reader, Class<T> clazz) throws ParseException { - try (JsonReader jsonReader = Json.createReader(reader)) { - return objectFromJson(jsonReader.readObject(), clazz); - } - } - - public static <T> T objectFromJson(JsonObject json, Class<T> clazz) { - try { - T object = clazz.newInstance(); - Method[] methods = object.getClass().getMethods(); - return objectFromJson(json, object, methods); - } catch (InstantiationException | IllegalAccessException e) { - throw new IllegalArgumentException(); - } - } - - private static <T> T objectFromJson(JsonObject json, T object, Method[] methods) { - for (final Method method : methods) { - if (method.getName().startsWith("set") && method.getParameterTypes().length == 1) { - - final String name = Introspector.decapitalize(method.getName().substring(3)); - Class<?> parameterType = method.getParameterTypes()[0]; - - if (json.containsKey(name) && !json.isNull(name)) { - try { - if (parameterType.equals(boolean.class)) { - method.invoke(object, json.getBoolean(name)); - } else if (parameterType.equals(int.class)) { - method.invoke(object, json.getJsonNumber(name).intValue()); - } else if (parameterType.equals(long.class)) { - if (json.get(name).getValueType() == JsonValue.ValueType.NUMBER) { - method.invoke(object, json.getJsonNumber(name).longValue()); - } - } else if (parameterType.equals(double.class)) { - method.invoke(object, json.getJsonNumber(name).doubleValue()); - } else if (parameterType.equals(String.class)) { - method.invoke(object, json.getString(name)); - } else if (parameterType.equals(Date.class)) { - method.invoke(object, DATE_FORMAT.parseDateTime(json.getString(name)).toDate()); - } else if (parameterType.equals(Map.class)) { - method.invoke(object, MiscFormatter.fromJson(json.getJsonObject(name))); - } - } catch (IllegalAccessException | InvocationTargetException error) { - Log.warning(error); - } - } - } - } - return object; - } - - public static <T> JsonObject objectToJson(T object) { - - JsonObjectBuilder json = Json.createObjectBuilder(); - - Method[] methods = object.getClass().getMethods(); - - for (Method method : methods) { - if (method.getName().startsWith("get") && method.getParameterTypes().length == 0) { - String name = Introspector.decapitalize(method.getName().substring(3)); - try { - if (method.getReturnType().equals(boolean.class)) { - json.add(name, (Boolean) method.invoke(object)); - } else if (method.getReturnType().equals(int.class)) { - json.add(name, (Integer) method.invoke(object)); - } else if (method.getReturnType().equals(long.class)) { - json.add(name, (Long) method.invoke(object)); - } else if (method.getReturnType().equals(double.class)) { - json.add(name, (Double) method.invoke(object)); - } else if (method.getReturnType().equals(String.class)) { - String value = (String) method.invoke(object); - if (value != null) { - json.add(name, value); - } - } else if (method.getReturnType().equals(Date.class)) { - Date value = (Date) method.invoke(object); - if (value != null) { - json.add(name, DATE_FORMAT.print(new DateTime(value))); - } - } else if (method.getReturnType().equals(Map.class)) { - Map value = (Map) method.invoke(object); - if (value != null) { - json.add(name, MiscFormatter.toJson(value)); - } - } else if (method.getReturnType().equals(List.class)) { - List value = (List) method.invoke(object); - if (value != null) { - json.add(name, arrayToJson(value)); - } - } - } catch (IllegalAccessException | InvocationTargetException error) { - Log.warning(error); - } - } - } - - return json.build(); - } - - public static JsonArray arrayToJson(Collection<?> array) { - - JsonArrayBuilder json = Json.createArrayBuilder(); - - for (Object object : array) { - switch (object.getClass().getSimpleName().toLowerCase()) { - case "string": - json.add(object.toString()); - break; - case "long": - json.add((long) object); - break; - case "double": - json.add((double) object); - break; - case "boolean": - json.add((boolean) object); - break; - default: - json.add(objectToJson(object)); - break; - } - } - - return json.build(); - } - -} |