Add metadata

client/src/main/java/io/split/client/dtos/Event.java

@@ -1,18 +1,32 @@
 package io.split.client.dtos;
 
 import com.google.common.base.Objects;
+import com.google.gson.annotations.SerializedName;
 
 import java.util.Map;
 
 public class Event {
 
+    /* package private */ static final String FIELD_EVENT_TYPE_ID = "eventTypeId";
+    /* package private */ static final String FIELD_TRAFFIC_TYPE_NAME = "trafficTypeName";
+    /* package private */ static final String FIELD_KEY = "key";
+    /* package private */ static final String FIELD_VALUE = "value";
+    /* package private */ static final String FIELD_PROPERTIES = "properties";
+    /* package private */ static final String FIELD_TIMESTAMP = "timestamp";
+
     public static int MAX_PROPERTIES_LENGTH_BYTES = 32 * 1024;
 
+    @SerializedName(FIELD_EVENT_TYPE_ID)
     public String eventTypeId;
+    @SerializedName(FIELD_TRAFFIC_TYPE_NAME)
     public String trafficTypeName;
+    @SerializedName(FIELD_KEY)
     public String key;
+    @SerializedName(FIELD_VALUE)
     public double value;
+    @SerializedName(FIELD_PROPERTIES)
     public Map<String, Object> properties;
+    @SerializedName(FIELD_TIMESTAMP)
     public long timestamp;
 
     @Override

client/src/main/java/io/split/client/dtos/Metadata.java

@@ -0,0 +1,42 @@
+package io.split.client.dtos;
+
+import com.google.gson.annotations.SerializedName;
+import io.split.client.interceptors.SdkMetadataInterceptorFilter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.InetAddress;
+
+public class Metadata {
+
+    /* package private */ static final String FIELD_HOSTNAME = "n";
+    /* package private */ static final String FIELD_IP = "i";
+    /* package private */ static final String FIELD_SDK_VERSION = "s";
+
+    private static final Logger _log = LoggerFactory.getLogger(Metadata.class);
+
+    @SerializedName(FIELD_HOSTNAME)
+    private final String _hostname;
+    @SerializedName(FIELD_IP)
+    private final String _ip;
+    @SerializedName(FIELD_SDK_VERSION)
+    private final String _sdkVersion;
+
+    public Metadata(boolean ipAddressEnabled, String sdkVersion) {
+        String hostName = null;
+        String ip = null;
+
+        if (ipAddressEnabled) {
+            try {
+                InetAddress localHost = InetAddress.getLocalHost();
+                hostName = localHost.getHostName();
+                ip = localHost.getHostAddress();
+            } catch (Exception e) {
+                _log.error("Could not resolve InetAddress", e);
+            }
+        }
+        _sdkVersion = sdkVersion;
+        _hostname = hostName;
+        _ip = ip;
+    }
+}

client/src/main/java/io/split/client/dtos/pluggable/ConfigPluggable.java

@@ -0,0 +1,22 @@
+package io.split.client.dtos.pluggable;
+
+import com.google.gson.annotations.SerializedName;
+import io.split.client.dtos.Metadata;
+import io.split.telemetry.domain.Config;
+
+public class ConfigPluggable extends Config {
+
+    /* package private */ static final String FIELD_METADATA = "m";
+
+    @SerializedName(FIELD_METADATA)
+    private final Metadata _metadata;
+
+    public ConfigPluggable(Metadata metadata) {
+        super();
+        _metadata = metadata;
+    }
+
+    public Metadata getMetadata() {
+        return _metadata;
+    }
+}

client/src/main/java/io/split/client/dtos/pluggable/EventsPluggable.java

@@ -0,0 +1,21 @@
+package io.split.client.dtos.pluggable;
+
+import com.google.gson.annotations.SerializedName;
+import io.split.client.dtos.Event;
+import io.split.client.dtos.Metadata;
+
+public class EventsPluggable extends Event {
+
+    /* package private */ static final String FIELD_METADATA = "m";
+    @SerializedName(FIELD_METADATA)
+    private final Metadata _metadata;
+
+    public EventsPluggable(Metadata metadata) {
+        super();
+        _metadata = metadata;
+    }
+
+    public Metadata getMetadata() {
+        return _metadata;
+    }
+}

client/src/main/java/io/split/client/dtos/pluggable/ImpressionsPluggable.java

@@ -0,0 +1,25 @@
+package io.split.client.dtos.pluggable;
+
+import com.google.gson.annotations.SerializedName;
+import io.split.client.dtos.KeyImpression;
+import io.split.client.dtos.Metadata;
+import io.split.client.dtos.TestImpressions;
+
+import java.util.List;
+
+public class ImpressionsPluggable extends TestImpressions {
+
+    /* package private */ static final String FIELD_METADATA = "m";
+
+    @SerializedName(FIELD_METADATA)
+    private final Metadata _metadata;
+
+    public ImpressionsPluggable(Metadata metadata, String testName, List<KeyImpression> keyImpressions) {
+        super(testName, keyImpressions);
+        _metadata = metadata;
+    }
+
+    public Metadata getMetadata() {
+        return _metadata;
+    }
+}