[MOB-6309] prepares EUDC updates for release (#572)

* stashed changes

* adds data center to config and associated unit tests

* adds excluding kotlin files to javadoc check

* moves IterableDataRegion to IterableConstants.java

* gets rid of extra lines

* removes jacoco.exe

* adds endpoint override to IterableApi

* removes logging statement

* sets up base url at IterableRequestTask

* minor edits

* refactors to pull endpoint directly from config value

* removes unfinished unit test

* removes jacoco.exec

* removes white space

---------

Co-authored-by: evan.greer@iterable.com <evan.greer@evan.greer>

Author: evantk91

Diff for: iterableapi/build.gradle

@@ -51,6 +51,7 @@ dependencies {
     testImplementation 'org.khronos:opengl-api:gl1.1-android-2.1_r1'
     testImplementation 'com.squareup.okhttp3:mockwebserver:4.2.2'
     testImplementation 'org.skyscreamer:jsonassert:1.5.0'
+    testImplementation project(path: ':iterableapi')
     androidTestImplementation 'androidx.test:runner:1.3.0'
     androidTestImplementation 'androidx.test:rules:1.3.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
@@ -90,6 +91,8 @@ if(hasProperty("mavenPublishEnabled")) {
 task javadoc(type: Javadoc) {
     source = android.sourceSets.main.java.srcDirs
     classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
+
+    exclude '**/*.kt'
 }
 
 tasks.withType(Test) {

Diff for: iterableapi/src/main/java/com/iterable/iterableapi/IterableConfig.java

@@ -71,6 +71,11 @@ public class IterableConfig {
      */
     final String[] allowedProtocols;
 
+    /**
+     * Data region determining which data center and endpoints are used by the SDK.
+     */
+    final IterableDataRegion dataRegion;
+
     /**
      * This controls whether the in-app content should be saved to disk, or only kept in memory.
      * By default, the SDK will save in-apps to disk.
@@ -89,6 +94,7 @@ private IterableConfig(Builder builder) {
         authHandler = builder.authHandler;
         expiringAuthTokenRefreshPeriod = builder.expiringAuthTokenRefreshPeriod;
         allowedProtocols = builder.allowedProtocols;
+        dataRegion = builder.dataRegion;
         useInMemoryStorageForInApps = builder.useInMemoryStorageForInApps;
     }
 
@@ -104,6 +110,7 @@ public static class Builder {
         private IterableAuthHandler authHandler;
         private long expiringAuthTokenRefreshPeriod = 60000L;
         private String[] allowedProtocols = new String[0];
+        private IterableDataRegion dataRegion = IterableDataRegion.US;
         private boolean useInMemoryStorageForInApps = false;
 
         public Builder() {}
@@ -226,6 +233,16 @@ public Builder setAllowedProtocols(@NonNull String[] allowedProtocols) {
             return this;
         }
 
+        /**
+         * Set the data region used by the SDK
+         * @param dataRegion enum value that determines which endpoint to use, defaults to IterableDataRegion.US
+         */
+        @NonNull
+        public Builder setDataRegion(@NonNull IterableDataRegion dataRegion) {
+            this.dataRegion = dataRegion;
+            return this;
+        }
+
         /**
          * Set whether the SDK should store in-apps only in memory, or in file storage
          * @param useInMemoryStorageForInApps `true` will have in-apps be only in memory
@@ -242,5 +259,4 @@ public IterableConfig build() {
             return new IterableConfig(this);
         }
     }
-
-}
+}

Diff for: iterableapi/src/main/java/com/iterable/iterableapi/IterableConstants.java

@@ -252,4 +252,4 @@ public final class IterableConstants {
 
     public static final String NO_MESSAGES_TITLE = "noMessagesTitle";
     public static final String NO_MESSAGES_BODY = "noMessagesBody";
-}
+}

Diff for: iterableapi/src/main/java/com/iterable/iterableapi/IterableDataRegion.java

@@ -0,0 +1,16 @@
+package com.iterable.iterableapi;
+
+public enum IterableDataRegion {
+    US("https://api.iterable.com/api/"),
+    EU("https://api.eu.iterable.com/api/");
+
+    private final String endpoint;
+
+    IterableDataRegion(String endpoint) {
+        this.endpoint = endpoint;
+    }
+
+    public String getEndpoint() {
+        return this.endpoint;
+    }
+}

Diff for: iterableapi/src/main/java/com/iterable/iterableapi/IterableRequestTask.java

@@ -27,7 +27,6 @@
  */
 class IterableRequestTask extends AsyncTask<IterableApiRequest, Void, IterableApiResponse> {
     static final String TAG = "IterableRequest";
-    static final String ITERABLE_BASE_URL = "https://api.iterable.com/api/";
 
     static String overrideUrl;
 
@@ -65,8 +64,8 @@ static IterableApiResponse executeApiRequest(IterableApiRequest iterableApiReque
             HttpURLConnection urlConnection = null;
 
             IterableLogger.v(TAG, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
-            String baseUrl = (iterableApiRequest.baseUrl != null && !iterableApiRequest.baseUrl.isEmpty()) ? iterableApiRequest.baseUrl :
-                    ITERABLE_BASE_URL;
+            String baseUrl = getBaseUrl();
+
             try {
                 if (overrideUrl != null && !overrideUrl.isEmpty()) {
                     baseUrl = overrideUrl;
@@ -225,6 +224,18 @@ static IterableApiResponse executeApiRequest(IterableApiRequest iterableApiReque
         return apiResponse;
     }
 
+    private static String getBaseUrl() {
+        IterableConfig config = IterableApi.getInstance().config;
+        IterableDataRegion dataRegion = config.dataRegion;
+        String baseUrl = dataRegion.getEndpoint();
+
+        if (overrideUrl != null && !overrideUrl.isEmpty()) {
+            baseUrl = overrideUrl;
+        }
+
+        return baseUrl;
+    }
+
     private static boolean matchesErrorCode(JSONObject jsonResponse, String errorCode) {
         try {
             return jsonResponse != null && jsonResponse.has("code") && jsonResponse.getString("code").equals(errorCode);

Diff for: iterableapi/src/test/java/com/iterable/iterableapi/IterableConfigTest.kt

@@ -0,0 +1,23 @@
+package com.iterable.iterableapi
+
+import org.hamcrest.Matchers.`is`
+import org.junit.Assert.*
+import org.junit.Test
+
+class IterableConfigTest {
+
+    @Test
+    fun defaultDataRegion() {
+        val configBuilder: IterableConfig.Builder = IterableConfig.Builder()
+        val config: IterableConfig = configBuilder.build()
+        assertThat(config.dataRegion, `is`(IterableDataRegion.US))
+    }
+
+    @Test
+    fun setDataRegionToEU() {
+        val configBuilder: IterableConfig.Builder = IterableConfig.Builder()
+            .setDataRegion(IterableDataRegion.EU)
+        val config: IterableConfig = configBuilder.build()
+        assertThat(config.dataRegion, `is`(IterableDataRegion.EU))
+    }
+}