Refactor configuration

15 files changed, 168 insertions, 17 deletions

diff --git a/src/org/traccar/BasePipelineFactory.java b/src/org/traccar/BasePipelineFactory.java
index f24841a22..0c0e4ef46 100644
--- a/src/org/traccar/BasePipelineFactory.java
+++ b/src/org/traccar/BasePipelineFactory.java
@@ -31,6 +31,7 @@ import io.netty.channel.socket.DatagramPacket;
 import io.netty.handler.timeout.IdleStateHandler;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.traccar.config.Keys;
 import org.traccar.events.CommandResultEventHandler;
 import org.traccar.events.DriverEventHandler;
 import org.traccar.events.FuelDropEventHandler;
@@ -315,7 +316,7 @@ public abstract class BasePipelineFactory extends ChannelInitializer<Channel> {
             pipeline.addLast(new DefaultDataHandler());
         }
 
-        if (Context.getConfig().getBoolean("forward.enable")) {
+        if (Context.getConfig().getBoolean(Keys.FORWARD_ENABLE)) {
             pipeline.addLast(Main.getInjector().getInstance(WebDataHandler.class));
         }
 
diff --git a/src/org/traccar/BaseProtocolDecoder.java b/src/org/traccar/BaseProtocolDecoder.java
index cbef4568d..e1efbd3eb 100644
--- a/src/org/traccar/BaseProtocolDecoder.java
+++ b/src/org/traccar/BaseProtocolDecoder.java
@@ -20,6 +20,7 @@ import io.netty.channel.socket.DatagramChannel;
 import io.netty.handler.codec.http.HttpRequestDecoder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.traccar.config.Config;
 import org.traccar.database.ConnectionManager;
 import org.traccar.database.IdentityManager;
 import org.traccar.database.StatisticsManager;
diff --git a/src/org/traccar/Context.java b/src/org/traccar/Context.java
index d679842cd..d9fed22ec 100644
--- a/src/org/traccar/Context.java
+++ b/src/org/traccar/Context.java
@@ -27,6 +27,7 @@ import org.apache.velocity.app.VelocityEngine;
 import org.eclipse.jetty.util.URIUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.traccar.config.Config;
 import org.traccar.database.CalendarManager;
 import org.traccar.database.CommandsManager;
 import org.traccar.database.AttributesManager;
@@ -362,9 +363,9 @@ public final class Context {
     public static void init(String configFile) throws Exception {
 
         try {
-            config = new Config();
-            config.load(configFile);
+            config = new Config(configFile);
         } catch (Exception e) {
+            config = new Config();
             Log.setupDefaultLogger();
             throw e;
         }
diff --git a/src/org/traccar/FilterHandler.java b/src/org/traccar/FilterHandler.java
index b127e190a..6f2bb0d2e 100644
--- a/src/org/traccar/FilterHandler.java
+++ b/src/org/traccar/FilterHandler.java
@@ -18,6 +18,7 @@ package org.traccar;
 import io.netty.channel.ChannelHandler;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.traccar.config.Config;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Position;
 
diff --git a/src/org/traccar/MainModule.java b/src/org/traccar/MainModule.java
index 19cad5237..40933aba5 100644
--- a/src/org/traccar/MainModule.java
+++ b/src/org/traccar/MainModule.java
@@ -18,6 +18,7 @@ package org.traccar;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.inject.AbstractModule;
 import com.google.inject.Provides;
+import org.traccar.config.Config;
 import org.traccar.database.IdentityManager;
 
 import javax.ws.rs.client.Client;
diff --git a/src/org/traccar/WebDataHandler.java b/src/org/traccar/WebDataHandler.java
index e29e5a075..27b317321 100644
--- a/src/org/traccar/WebDataHandler.java
+++ b/src/org/traccar/WebDataHandler.java
@@ -17,6 +17,8 @@ package org.traccar;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
 import org.traccar.database.IdentityManager;
 import org.traccar.helper.Checksum;
 import org.traccar.model.Device;
@@ -56,9 +58,9 @@ public class WebDataHandler extends BaseDataHandler {
         this.identityManager = identityManager;
         this.objectMapper = objectMapper;
         this.client = client;
-        this.url = config.getString("forward.url");
-        this.header = config.getString("forward.header");
-        this.json = config.getBoolean("forward.json");
+        this.url = config.getString(Keys.FORWARD_URL);
+        this.header = config.getString(Keys.FORWARD_HEADER);
+        this.json = config.getBoolean(Keys.FORWARD_JSON);
     }
 
     private static String formatSentence(Position position) {
diff --git a/src/org/traccar/Config.java b/src/org/traccar/config/Config.java
index 370123ae1..d8f2a0e99 100644
--- a/src/org/traccar/Config.java
+++ b/src/org/traccar/config/Config.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 - 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2019 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.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.traccar;
+package org.traccar.config;
 
 import java.io.FileInputStream;
 import java.io.IOException;
@@ -27,7 +27,10 @@ public class Config {
 
     private boolean useEnvironmentVariables;
 
-    void load(String file) throws IOException {
+    public Config() {
+    }
+
+    public Config(String file) throws IOException {
         try {
             Properties mainProperties = new Properties();
             try (InputStream inputStream = new FileInputStream(file)) {
@@ -50,11 +53,21 @@ public class Config {
         }
     }
 
+    public boolean hasKey(ConfigKey key) {
+        return hasKey(key.getKey());
+    }
+
+    @Deprecated
     public boolean hasKey(String key) {
         return useEnvironmentVariables && System.getenv().containsKey(getEnvironmentVariableName(key))
                 || properties.containsKey(key);
     }
 
+    public String getString(ConfigKey key) {
+        return getString(key.getKey());
+    }
+
+    @Deprecated
     public String getString(String key) {
         if (useEnvironmentVariables) {
             String value = System.getenv(getEnvironmentVariableName(key));
@@ -65,44 +78,89 @@ public class Config {
         return properties.getProperty(key);
     }
 
+    public String getString(ConfigKey key, String defaultValue) {
+        return getString(key.getKey(), defaultValue);
+    }
+
+    @Deprecated
     public String getString(String key, String defaultValue) {
         return hasKey(key) ? getString(key) : defaultValue;
     }
 
+    public boolean getBoolean(ConfigKey key) {
+        return getBoolean(key.getKey());
+    }
+
+    @Deprecated
     public boolean getBoolean(String key) {
         return Boolean.parseBoolean(getString(key));
     }
 
+    public int getInteger(ConfigKey key) {
+        return getInteger(key.getKey());
+    }
+
+    @Deprecated
     public int getInteger(String key) {
         return getInteger(key, 0);
     }
 
+    public int getInteger(ConfigKey key, int defaultValue) {
+        return getInteger(key.getKey(), defaultValue);
+    }
+
+    @Deprecated
     public int getInteger(String key, int defaultValue) {
         return hasKey(key) ? Integer.parseInt(getString(key)) : defaultValue;
     }
 
+    public long getLong(ConfigKey key) {
+        return getLong(key.getKey());
+    }
+
+    @Deprecated
     public long getLong(String key) {
         return getLong(key, 0);
     }
 
+    public long getLong(ConfigKey key, long defaultValue) {
+        return getLong(key.getKey(), defaultValue);
+    }
+
+    @Deprecated
     public long getLong(String key, long defaultValue) {
         return hasKey(key) ? Long.parseLong(getString(key)) : defaultValue;
     }
 
+    public double getDouble(ConfigKey key) {
+        return getDouble(key.getKey());
+    }
+
+    @Deprecated
     public double getDouble(String key) {
         return getDouble(key, 0.0);
     }
 
+    public double getDouble(ConfigKey key, double defaultValue) {
+        return getDouble(key.getKey(), defaultValue);
+    }
+
+    @Deprecated
     public double getDouble(String key, double defaultValue) {
         return hasKey(key) ? Double.parseDouble(getString(key)) : defaultValue;
     }
 
-    public static String getEnvironmentVariableName(String key) {
-        return key.replaceAll("\\.", "_").replaceAll("(\\p{Lu})", "_$1").toUpperCase();
+    public void setString(ConfigKey key, String value) {
+        setString(key.getKey(), value);
     }
 
+    @Deprecated
     public void setString(String key, String value) {
         properties.put(key, value);
     }
 
+    static String getEnvironmentVariableName(String key) {
+        return key.replaceAll("\\.", "_").replaceAll("(\\p{Lu})", "_$1").toUpperCase();
+    }
+
 }
diff --git a/src/org/traccar/config/ConfigKey.java b/src/org/traccar/config/ConfigKey.java
new file mode 100644
index 000000000..418ab56e4
--- /dev/null
+++ b/src/org/traccar/config/ConfigKey.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2019 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.config;
+
+public class ConfigKey {
+
+    private final String key;
+    private final Class clazz;
+    private final String description;
+
+    ConfigKey(String key, Class clazz, String description) {
+        this.key = key;
+        this.clazz = clazz;
+        this.description = description;
+    }
+
+    String getKey() {
+        return key;
+    }
+
+    Class getValueClass() {
+        return clazz;
+    }
+
+    String getDescription() {
+        return description;
+    }
+
+}
diff --git a/src/org/traccar/config/Keys.java b/src/org/traccar/config/Keys.java
new file mode 100644
index 000000000..90e7de2e5
--- /dev/null
+++ b/src/org/traccar/config/Keys.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2019 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.config;
+
+public final class Keys {
+
+    public static final ConfigKey FORWARD_ENABLE = new ConfigKey(
+            "forward.enable",
+            Boolean.class,
+            "Enable positions forwarding to other web server.");
+
+    public static final ConfigKey FORWARD_URL = new ConfigKey(
+            "forward.url",
+            String.class,
+            "URL to forward positions. Data is passed through URL parameters. For example, {uniqueId} for device" +
+                    "identifier, {latitude} and {longitude} for coordinates.");
+
+    public static final ConfigKey FORWARD_HEADER = new ConfigKey(
+            "forward.header",
+            String.class,
+            "Additional HTTP header, can be used for authorization.");
+
+    public static final ConfigKey FORWARD_JSON = new ConfigKey(
+            "forward.json",
+            Boolean.class,
+            "Boolean value to enable forwarding in JSON format.");
+
+    private Keys() {
+    }
+
+}
diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index 8da6f2cca..8e9071736 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -39,7 +39,7 @@ import liquibase.resource.ResourceAccessor;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.traccar.Config;
+import org.traccar.config.Config;
 import org.traccar.Context;
 import org.traccar.helper.DateUtil;
 import org.traccar.model.Attribute;
diff --git a/src/org/traccar/database/DeviceManager.java b/src/org/traccar/database/DeviceManager.java
index ab2c142cc..9cc84b2a3 100644
--- a/src/org/traccar/database/DeviceManager.java
+++ b/src/org/traccar/database/DeviceManager.java
@@ -27,7 +27,7 @@ import java.util.concurrent.atomic.AtomicLong;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.traccar.Config;
+import org.traccar.config.Config;
 import org.traccar.Context;
 import org.traccar.model.Device;
 import org.traccar.model.DeviceState;
diff --git a/src/org/traccar/database/LdapProvider.java b/src/org/traccar/database/LdapProvider.java
index b30ab45ed..d8b5c9f52 100644
--- a/src/org/traccar/database/LdapProvider.java
+++ b/src/org/traccar/database/LdapProvider.java
@@ -25,7 +25,7 @@ import javax.naming.directory.SearchResult;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.traccar.Config;
+import org.traccar.config.Config;
 import org.traccar.model.User;
 
 import java.util.Hashtable;
diff --git a/src/org/traccar/helper/Log.java b/src/org/traccar/helper/Log.java
index 224a497e8..f328e8ce9 100644
--- a/src/org/traccar/helper/Log.java
+++ b/src/org/traccar/helper/Log.java
@@ -15,7 +15,7 @@
  */
 package org.traccar.helper;
 
-import org.traccar.Config;
+import org.traccar.config.Config;
 
 import java.io.BufferedWriter;
 import java.io.File;
diff --git a/src/org/traccar/notification/PropertiesProvider.java b/src/org/traccar/notification/PropertiesProvider.java
index 8f5965a82..f0078feef 100644
--- a/src/org/traccar/notification/PropertiesProvider.java
+++ b/src/org/traccar/notification/PropertiesProvider.java
@@ -15,7 +15,7 @@
  */
 package org.traccar.notification;
 
-import org.traccar.Config;
+import org.traccar.config.Config;
 import org.traccar.model.ExtendedModel;
 
 public class PropertiesProvider {
diff --git a/src/org/traccar/web/WebServer.java b/src/org/traccar/web/WebServer.java
index 13a5a4238..70fef4ed3 100644
--- a/src/org/traccar/web/WebServer.java
+++ b/src/org/traccar/web/WebServer.java
@@ -30,7 +30,7 @@ import org.glassfish.jersey.server.ResourceConfig;
 import org.glassfish.jersey.servlet.ServletContainer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.traccar.Config;
+import org.traccar.config.Config;
 import org.traccar.api.AsyncSocketServlet;
 import org.traccar.api.CorsResponseFilter;
 import org.traccar.api.MediaFilter;