Update codegen service clients (#562)

sdk/src/main/java/software/amazon/awssdk/iot/EnumSerializer.java

@@ -21,11 +21,27 @@
  * @param <E> the enumeration type the serializer should work with
  */
 public class EnumSerializer<E> implements JsonSerializer<E>, JsonDeserializer<E> {
+
+    /**
+     * Serializes the given enum to a JsonElement
+     * @param enumValue The enum to convert
+     * @param typeOfEnum The enum to convert type
+     * @param context The JsonSerializationContext to use
+     * @return The enum as a JsonElement
+     */
     public JsonElement serialize(E enumValue, Type typeOfEnum, JsonSerializationContext context) {
         return new JsonPrimitive(enumValue.toString());
     }
 
     private Method fromString;
+
+    /**
+     * Deserializes the JsonElement to an enum
+     * @param json The json to convert
+     * @param typeOfEnum The type of enum to convert to
+     * @param context The JsonDeserializationContext to use
+     * @return The enum from the JsonElement data
+     */
     public E deserialize(JsonElement json, Type typeOfEnum, JsonDeserializationContext context)
             throws JsonParseException {
         if (fromString == null) {

sdk/src/main/java/software/amazon/awssdk/iot/ShadowStateFactory.java

@@ -1,3 +1,8 @@
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
 package software.amazon.awssdk.iot;
 
 import software.amazon.awssdk.iot.iotshadow.model.ShadowState;
@@ -12,8 +17,14 @@
 import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 
+/**
+ * Factory class for converting ShadowStates to and from packet payloads
+ */
 public class ShadowStateFactory implements TypeAdapterFactory {
 
+    /**
+     * Creates a new TypeAdapter for conversion to and from packet payloads
+     */
     public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
 
         Class<T> rawType = (Class<T>)type.getRawType();
@@ -24,6 +35,12 @@ public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
         final TypeAdapter<T> delegate = gson.getDelegateAdapter(this, type);
 
         return new TypeAdapter<T>() {
+
+            /**
+             * Writes the type to the packet payload (JsonWriter)
+             * @param out The JsonWriter to output the type data to
+             * @param shadowValue The shadow value containing the data to convert
+             */
             public void write(JsonWriter out, T shadowValue) throws IOException {
                 // Are null values present? If so, we need to process this differently
                 ShadowState shadow = (ShadowState)shadowValue;
@@ -46,8 +63,13 @@ public void write(JsonWriter out, T shadowValue) throws IOException {
                     delegate.write(out, shadowValue);
                 }
             }
-            public T read(JsonReader in) throws IOException {
 
+            /**
+             * Reads the type from the packet payload (JsonReader)
+             * @param in The JsonReader containing the packet payload data
+             * @return The type created from the packet payload data
+             */
+            public T read(JsonReader in) throws IOException {
                 T returnType = delegate.read(in);
                 return returnType;
             }

sdk/src/main/java/software/amazon/awssdk/iot/Timestamp.java

@@ -17,21 +17,46 @@
 import java.util.Date;
 
 /**
- * Extension of Java date class to support Json serialization.  Used in IoT service models.
+ * Extension of Java date class to support Json serialization. Used in IoT service models.
  */
 public class Timestamp extends java.util.Date {
+    /**
+     * Serializer to convert Timestamp to JSON
+     */
     public static class Serializer implements JsonSerializer<Timestamp> {
+        /**
+         * Serializes a Timestamp to JSON
+         * @param src The Timestamp to convert
+         * @param typeOfSrc The Type to use
+         * @param context The JsonSerializationContext to use
+         * @return A JsonElement containing the Timestamp data
+         */
         public JsonElement serialize(Timestamp src, Type typeOfSrc, JsonSerializationContext context) {
             return new JsonPrimitive(src.getTime() / 1000); // convert from ms to seconds
         }
     }
+
+    /**
+     * Deserializer to convert JSON to Timestamp
+     */
     public static class Deserializer implements JsonDeserializer<Timestamp> {
+        /**
+         * Deserializes JSON to a Timestamp
+         * @param json The JsonElement containing the Timestamp
+         * @param typeOfT The Type to use
+         * @param context The JsonDeserializationContext to use
+         * @return A Timestamp containing the data in the JsonElement
+         */
         public Timestamp deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
                 throws JsonParseException {
             return new Timestamp(new Date(json.getAsJsonPrimitive().getAsLong() * 1000));
         }
     }
 
+    /**
+     * Timestamp constructor
+     * @param date The date to use
+     */
     public Timestamp(Date date) {
         super(date.getTime());
     }