From 18127a2dfc362ffd7de4110e013a10a9f894469b Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 3 May 2015 12:09:00 +1200 Subject: Implmenet reflection json conversion --- src/org/traccar/database/Convertable.java | 26 ------ src/org/traccar/database/ObjectConverter.java | 86 ------------------ src/org/traccar/database/QueryBuilder.java | 13 ++- src/org/traccar/http/AsyncServlet.java | 3 +- src/org/traccar/http/DeviceServlet.java | 21 +---- src/org/traccar/http/JsonConverter.java | 120 ++++++++++++++++++++++++++ src/org/traccar/http/MainServlet.java | 1 - src/org/traccar/model/Data.java | 30 +------ src/org/traccar/model/Device.java | 35 +------- src/org/traccar/model/Position.java | 46 +--------- src/org/traccar/model/User.java | 47 ++-------- 11 files changed, 141 insertions(+), 287 deletions(-) delete mode 100644 src/org/traccar/database/Convertable.java delete mode 100644 src/org/traccar/database/ObjectConverter.java create mode 100644 src/org/traccar/http/JsonConverter.java (limited to 'src') diff --git a/src/org/traccar/database/Convertable.java b/src/org/traccar/database/Convertable.java deleted file mode 100644 index cc1a88ceb..000000000 --- a/src/org/traccar/database/Convertable.java +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com) - * - * 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.database; - -import javax.json.JsonObject; - -public interface Convertable { - - public JsonObject toJson(); - - public void fromJson(JsonObject json) throws Exception; - -} diff --git a/src/org/traccar/database/ObjectConverter.java b/src/org/traccar/database/ObjectConverter.java deleted file mode 100644 index 5a7f7083a..000000000 --- a/src/org/traccar/database/ObjectConverter.java +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com) - * - * 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.database; - -import java.text.DateFormat; -import java.text.ParseException; -import java.text.SimpleDateFormat; -import java.util.Collection; -import java.util.Date; -import javax.json.Json; -import javax.json.JsonArray; -import javax.json.JsonArrayBuilder; -import javax.json.JsonObject; -import javax.json.JsonObjectBuilder; -import org.traccar.helper.Log; - -public class ObjectConverter { - - public static final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ssZ"); - - public static JsonArray arrayToJson(Collection collection) { - - JsonArrayBuilder array = Json.createArrayBuilder(); - - for (Convertable object : collection) { - array.add(object.toJson()); - } - - return array.build(); - } - - public static String getString(JsonObject json, String key) { - if (json.containsKey(key)) { - return json.getString(key); - } - return null; - } - - public static void putString(JsonObjectBuilder json, String key, String value) { - if (value != null) { - json.add(key, value); - } - } - - public static long getLong(JsonObject json, String key) { - if (json.containsKey(key)) { - return json.getJsonNumber(key).longValue(); - } - return 0; - } - - public static void putLong(JsonObjectBuilder json, String key, long value) { - json.add(key, value); - } - - public static Date getDate(JsonObject json, String key) { - if (json.containsKey(key)) { - try { - return dateFormat.parse(json.getString(key)); - } catch (ParseException error) { - Log.warning(error); - } - } - return null; - } - - public static void putDate(JsonObjectBuilder json, String key, Date value) { - if (value != null) { - json.add(key, dateFormat.format(value)); - } - } - -} diff --git a/src/org/traccar/database/QueryBuilder.java b/src/org/traccar/database/QueryBuilder.java index 29a737f20..d05f48c09 100644 --- a/src/org/traccar/database/QueryBuilder.java +++ b/src/org/traccar/database/QueryBuilder.java @@ -15,7 +15,6 @@ */ package org.traccar.database; -import java.beans.Introspector; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.sql.PreparedStatement; @@ -176,17 +175,17 @@ public class QueryBuilder { String name = method.getName().substring(3); try { if (method.getReturnType().equals(boolean.class)) { - return setBoolean(name, (Boolean) method.invoke(object)); + setBoolean(name, (Boolean) method.invoke(object)); } else if (method.getReturnType().equals(int.class)) { - return setInteger(name, (Integer) method.invoke(object)); + setInteger(name, (Integer) method.invoke(object)); } else if (method.getReturnType().equals(long.class)) { - return setLong(name, (Long) method.invoke(object)); + setLong(name, (Long) method.invoke(object)); } else if (method.getReturnType().equals(double.class)) { - return setDouble(name, (Double) method.invoke(object)); + setDouble(name, (Double) method.invoke(object)); } else if (method.getReturnType().equals(String.class)) { - return setString(name, (String) method.invoke(object)); + setString(name, (String) method.invoke(object)); } else if (method.getReturnType().equals(Date.class)) { - return setDate(name, (Date) method.invoke(object)); + setDate(name, (Date) method.invoke(object)); } } catch (IllegalAccessException error) { } catch (InvocationTargetException error) { diff --git a/src/org/traccar/http/AsyncServlet.java b/src/org/traccar/http/AsyncServlet.java index c66126667..927e93c78 100644 --- a/src/org/traccar/http/AsyncServlet.java +++ b/src/org/traccar/http/AsyncServlet.java @@ -20,7 +20,6 @@ import org.jboss.netty.util.TimerTask; import org.traccar.Context; import org.traccar.GlobalTimer; import org.traccar.database.DataCache; -import org.traccar.database.ObjectConverter; import org.traccar.helper.Log; import org.traccar.model.Position; @@ -160,7 +159,7 @@ public class AsyncServlet extends HttpServlet { JsonObjectBuilder result = Json.createObjectBuilder(); result.add("success", true); - result.add("data", ObjectConverter.arrayToJson(positions.values())); + result.add("data", JsonConverter.arrayToJson(positions.values())); positions.clear(); try { diff --git a/src/org/traccar/http/DeviceServlet.java b/src/org/traccar/http/DeviceServlet.java index 98f00b320..81ec168d5 100644 --- a/src/org/traccar/http/DeviceServlet.java +++ b/src/org/traccar/http/DeviceServlet.java @@ -19,16 +19,12 @@ import java.io.IOException; import java.sql.SQLException; import java.text.ParseException; import javax.json.Json; -import javax.json.JsonObject; import javax.json.JsonObjectBuilder; -import javax.json.JsonReader; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.traccar.Context; -import org.traccar.database.ObjectConverter; -import org.traccar.helper.Log; import org.traccar.model.Device; public class DeviceServlet extends HttpServlet { @@ -61,7 +57,7 @@ public class DeviceServlet extends HttpServlet { try { result.add("success", true); - result.add("data", ObjectConverter.arrayToJson( + result.add("data", JsonConverter.arrayToJson( Context.getDataManager().getDevices(userId))); } catch(SQLException error) { result.add("success", false); @@ -75,13 +71,10 @@ public class DeviceServlet extends HttpServlet { long userId = (Long) req.getSession().getAttribute(MainServlet.USER_ID); - JsonReader jsonReader = Json.createReader(req.getReader()); - JsonObject jsonObject = jsonReader.readObject(); Device device = new Device(); try { - device.fromJson(jsonObject); + JsonConverter.objectFromJson(req.getReader(), device); } catch (ParseException error) { - Log.warning(error); } JsonObjectBuilder result = Json.createObjectBuilder(); @@ -100,13 +93,10 @@ public class DeviceServlet extends HttpServlet { private void update(HttpServletRequest req, HttpServletResponse resp) throws IOException { - JsonReader jsonReader = Json.createReader(req.getReader()); - JsonObject jsonObject = jsonReader.readObject(); Device device = new Device(); try { - device.fromJson(jsonObject); + JsonConverter.objectFromJson(req.getReader(), device); } catch (ParseException error) { - Log.warning(error); } JsonObjectBuilder result = Json.createObjectBuilder(); @@ -124,13 +114,10 @@ public class DeviceServlet extends HttpServlet { private void remove(HttpServletRequest req, HttpServletResponse resp) throws IOException { - JsonReader jsonReader = Json.createReader(req.getReader()); - JsonObject jsonObject = jsonReader.readObject(); Device device = new Device(); try { - device.fromJson(jsonObject); + JsonConverter.objectFromJson(req.getReader(), device); } catch (ParseException error) { - Log.warning(error); } JsonObjectBuilder result = Json.createObjectBuilder(); diff --git a/src/org/traccar/http/JsonConverter.java b/src/org/traccar/http/JsonConverter.java new file mode 100644 index 000000000..1b02e33d2 --- /dev/null +++ b/src/org/traccar/http/JsonConverter.java @@ -0,0 +1,120 @@ +/* + * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com) + * + * 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.http; + +import java.beans.Introspector; +import java.io.Reader; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.text.DateFormat; +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.util.Collection; +import java.util.Date; +import javax.json.Json; +import javax.json.JsonArray; +import javax.json.JsonArrayBuilder; +import javax.json.JsonObject; +import javax.json.JsonObjectBuilder; +import org.traccar.model.Factory; + +public class JsonConverter { + + public static final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ssZ"); + + public static T objectFromJson(Reader reader, T prototype) throws ParseException { + return objectFromJson(Json.createReader(reader).readObject(), prototype); + } + + public static T objectFromJson(JsonObject json, T prototype) throws ParseException { + + T object = (T) prototype.create(); + + Method[] methods = prototype.getClass().getMethods(); + + 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)) 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)) { + 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, dateFormat.parse(json.getString(name))); + } + } catch (IllegalAccessException error) { + } catch (InvocationTargetException error) { + } + } + } + + return object; + } + + public static 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 = 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)) { + json.add(name, (String) method.invoke(object)); + } else if (method.getReturnType().equals(Date.class)) { + json.add(name, dateFormat.format((Date) method.invoke(object))); + } + } catch (IllegalAccessException error) { + } catch (InvocationTargetException error) { + } + } + } + + return json.build(); + } + + public static JsonArray arrayToJson(Collection array) { + + JsonArrayBuilder json = Json.createArrayBuilder(); + + for (Object object : array) { + json.add(objectToJson(object)); + } + + return json.build(); + } + +} diff --git a/src/org/traccar/http/MainServlet.java b/src/org/traccar/http/MainServlet.java index 2ba97ed57..a881d3f45 100644 --- a/src/org/traccar/http/MainServlet.java +++ b/src/org/traccar/http/MainServlet.java @@ -34,7 +34,6 @@ import org.jboss.netty.util.TimerTask; import org.traccar.Context; import org.traccar.GlobalTimer; import org.traccar.database.DataCache; -import org.traccar.database.ObjectConverter; import org.traccar.helper.Log; import org.traccar.model.Position; diff --git a/src/org/traccar/model/Data.java b/src/org/traccar/model/Data.java index d49bb0da6..d8f898317 100644 --- a/src/org/traccar/model/Data.java +++ b/src/org/traccar/model/Data.java @@ -15,17 +15,11 @@ */ package org.traccar.model; -import java.text.ParseException; import java.util.Date; import java.util.LinkedHashMap; import java.util.Map; -import javax.json.Json; -import javax.json.JsonObject; -import javax.json.JsonObjectBuilder; -import org.traccar.database.Convertable; -import org.traccar.database.ObjectConverter; -public class Data implements Convertable { +public class Data { private long id; public long getId() { return id; } @@ -57,26 +51,4 @@ public class Data implements Convertable { return MiscFormatter.toXmlString(other); } - @Override - public JsonObject toJson() { - JsonObjectBuilder json = Json.createObjectBuilder(); - json.add("id", id); - json.add("protocol", protocol); - json.add("deviceId", deviceId); - json.add("serverTime", ObjectConverter.dateFormat.format(serverTime)); - json.add("deviceTime", ObjectConverter.dateFormat.format(deviceTime)); - //json.add("extendedInfo", extendedInfo); - return json.build(); - } - - @Override - public void fromJson(JsonObject json) throws ParseException { - id = json.getJsonNumber("id").longValue(); - protocol = json.getString("protocol"); - deviceId = json.getJsonNumber("deviceId").longValue(); - serverTime = ObjectConverter.dateFormat.parse(json.getString("serverTime")); - deviceTime = ObjectConverter.dateFormat.parse(json.getString("deviceTime")); - //extendedInfo = json.getString("extendedInfo"); - } - } diff --git a/src/org/traccar/model/Device.java b/src/org/traccar/model/Device.java index 2fb26d282..b40e694b8 100644 --- a/src/org/traccar/model/Device.java +++ b/src/org/traccar/model/Device.java @@ -15,18 +15,9 @@ */ package org.traccar.model; -import java.sql.ResultSet; -import java.sql.SQLException; -import java.text.ParseException; import java.util.Date; -import javax.json.Json; -import javax.json.JsonObject; -import javax.json.JsonObjectBuilder; -import org.traccar.database.Convertable; -import org.traccar.database.ObjectConverter; -import org.traccar.helper.Log; -public class Device implements Convertable, Factory { +public class Device implements Factory { @Override public Device create() { @@ -53,28 +44,4 @@ public class Device implements Convertable, Factory { private long dataId; - @Override - public JsonObject toJson() { - JsonObjectBuilder json = Json.createObjectBuilder(); - ObjectConverter.putLong(json, "id", id); - ObjectConverter.putString(json, "name", name); - ObjectConverter.putString(json, "uniqueId", uniqueId); - ObjectConverter.putString(json, "status", status); - ObjectConverter.putDate(json, "lastUpdate", lastUpdate); - ObjectConverter.putLong(json, "positionId", positionId); - ObjectConverter.putLong(json, "dataId", dataId); - return json.build(); - } - - @Override - public void fromJson(JsonObject json) throws ParseException { - id = ObjectConverter.getLong(json, "id"); - name = ObjectConverter.getString(json, "name"); - uniqueId = ObjectConverter.getString(json, "uniqueId"); - status = ObjectConverter.getString(json, "status"); - lastUpdate = ObjectConverter.getDate(json, "lastUpdate"); - positionId = ObjectConverter.getLong(json, "positionId"); - dataId = ObjectConverter.getLong(json, "dataId"); - } - } diff --git a/src/org/traccar/model/Position.java b/src/org/traccar/model/Position.java index c3fe60fc0..21951d115 100644 --- a/src/org/traccar/model/Position.java +++ b/src/org/traccar/model/Position.java @@ -15,17 +15,11 @@ */ package org.traccar.model; -import java.text.ParseException; import java.util.Date; import java.util.LinkedHashMap; import java.util.Map; -import javax.json.Json; -import javax.json.JsonObject; -import javax.json.JsonObjectBuilder; -import org.traccar.database.Convertable; -import org.traccar.database.ObjectConverter; -public class Position implements Convertable { +public class Position { private long id; public long getId() { return id; } @@ -94,42 +88,4 @@ public class Position implements Convertable { return MiscFormatter.toXmlString(other); } - @Override - public JsonObject toJson() { - JsonObjectBuilder json = Json.createObjectBuilder(); - json.add("id", id); - json.add("protocol", protocol); - json.add("deviceId", deviceId); - json.add("serverTime", ObjectConverter.dateFormat.format(serverTime)); - json.add("deviceTime", ObjectConverter.dateFormat.format(deviceTime)); - json.add("fixTime", ObjectConverter.dateFormat.format(fixTime)); - json.add("valid", valid); - json.add("latitude", latitude); - json.add("longitude", longitude); - json.add("altitude", altitude); - json.add("speed", speed); - json.add("course", course); - json.add("address", address); - //json.add("extendedInfo", extendedInfo); - return json.build(); - } - - @Override - public void fromJson(JsonObject json) throws ParseException { - id = json.getJsonNumber("id").longValue(); - protocol = json.getString("protocol"); - deviceId = json.getJsonNumber("deviceId").longValue(); - serverTime = ObjectConverter.dateFormat.parse(json.getString("serverTime")); - deviceTime = ObjectConverter.dateFormat.parse(json.getString("deviceTime")); - fixTime = ObjectConverter.dateFormat.parse(json.getString("fixTime")); - valid = json.getBoolean("valid"); - latitude = json.getJsonNumber("latitude").doubleValue(); - longitude = json.getJsonNumber("longitude").doubleValue(); - altitude = json.getJsonNumber("altitude").doubleValue(); - speed = json.getJsonNumber("speed").doubleValue(); - course = json.getJsonNumber("course").doubleValue(); - address = json.getString("address"); - //extendedInfo = json.getString("extendedInfo"); - } - } diff --git a/src/org/traccar/model/User.java b/src/org/traccar/model/User.java index 02e5c0c4f..ea4617e54 100644 --- a/src/org/traccar/model/User.java +++ b/src/org/traccar/model/User.java @@ -15,18 +15,19 @@ */ package org.traccar.model; -import javax.json.Json; -import javax.json.JsonObject; -import javax.json.JsonObjectBuilder; -import org.traccar.database.Convertable; - -public class User implements Convertable { +public class User { private long id; + public long getId() { return id; } + public void setId(long id) { this.id = id; } private String email; + public String getEmail() { return email; } + public void setEmail(String email) { this.email = email; } private String password; + public String getPassword() { return password; } + public void setPassword(String password) { this.password = password; } private boolean readonly; @@ -46,38 +47,4 @@ public class User implements Convertable { private int zoom; - @Override - public JsonObject toJson() { - JsonObjectBuilder json = Json.createObjectBuilder(); - json.add("id", id); - json.add("email", email); - json.add("password", password); - json.add("readonly", readonly); - json.add("admin", admin); - json.add("map", map); - json.add("language", language); - json.add("distanceUnit", distanceUnit); - json.add("speedUnit", speedUnit); - json.add("latitude", latitude); - json.add("longitude", longitude); - json.add("zoom", zoom); - return json.build(); - } - - @Override - public void fromJson(JsonObject json) { - id = json.getJsonNumber("id").longValue(); - email = json.getString("email"); - password = json.getString("password"); - readonly = json.getBoolean("readonly"); - admin = json.getBoolean("admin"); - map = json.getString("map"); - language = json.getString("language"); - distanceUnit = json.getString("distanceUnit"); - speedUnit = json.getString("speedUnit"); - latitude = json.getJsonNumber("latitude").doubleValue(); - longitude = json.getJsonNumber("longitude").doubleValue(); - zoom = json.getJsonNumber("zoom").intValue(); - } - } -- cgit v1.2.3