fix(pom): upgrade sdk-core (#1220)

This upgrade is mainly to remove the vulnerable guava dependency

Author: apaparazzi0329

common/src/test/java/com/ibm/watson/common/WatsonServiceUnitTest.java

@@ -13,9 +13,12 @@
 package com.ibm.watson.common;
 
 import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
 import com.ibm.cloud.sdk.core.http.HttpMediaType;
 import com.ibm.cloud.sdk.core.util.GsonSingleton;
 import java.io.IOException;
+import java.lang.reflect.Type;
+import java.util.HashMap;
 import okhttp3.mockwebserver.MockResponse;
 import okhttp3.mockwebserver.MockWebServer;
 import org.apache.commons.lang3.StringUtils;
@@ -81,4 +84,18 @@ protected static MockResponse jsonResponse(Object body) {
         .addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
         .setBody(GSON.toJson(body));
   }
+
+  /**
+   * Create a MockResponse with JSON content type and the object serialized to JSON as body.
+   * For HashMaps
+   *
+   * @param body the body
+   * @return the mock response
+   */
+  protected static MockResponse hashmapToJsonResponse(Object body) {
+    Type typeObject = new TypeToken<HashMap>() {}.getType();
+    return new MockResponse()
+        .addHeader(CONTENT_TYPE, HttpMediaType.APPLICATION_JSON)
+        .setBody(GSON.toJson(body, typeObject));
+  }
 }

language-translator/src/test/java/com/ibm/watson/language_translator/v3/LanguageTranslatorIT.java

@@ -17,8 +17,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableMap;
 import com.ibm.cloud.sdk.core.http.HttpMediaType;
 import com.ibm.cloud.sdk.core.http.Response;
 import com.ibm.cloud.sdk.core.security.Authenticator;
@@ -32,6 +30,7 @@
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -47,12 +46,11 @@ public class LanguageTranslatorIT extends WatsonServiceTest {
   private LanguageTranslator service;
 
   private final Map<String, String> translations =
-      ImmutableMap.of(
-          "The IBM Watson team is awesome",
-          "El equipo de IBM Watson es impresionante",
-          "Welcome to the cognitive era",
-          "Bienvenido a la era cognitiva");
-  private final List<String> texts = ImmutableList.copyOf(translations.keySet());
+      new HashMap<String, String>() {{
+        put("The IBM Watson team is awesome", "El equipo de IBM Watson es impresionante");
+        put("Welcome to the cognitive era", "Bienvenido a la era cognitiva");
+      }};
+  private final List<String> texts = new ArrayList<>(translations.keySet());
 
   /**
    * Sets up the tests.

pom.xml

@@ -17,7 +17,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
-        <sdk-core-version>9.17.3</sdk-core-version>
+        <sdk-core-version>9.18.4</sdk-core-version>
 
         <!-- >>> Replace this with the name of your SDK's github repository -->
         <git-repository-name>java-sdk</git-repository-name>

text-to-speech/src/test/java/com/ibm/watson/text_to_speech/v1/CustomizationsIT.java

@@ -18,7 +18,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.fail;
 
-import com.google.common.collect.ImmutableList;
 import com.ibm.cloud.sdk.core.http.HttpMediaType;
 import com.ibm.cloud.sdk.core.security.Authenticator;
 import com.ibm.cloud.sdk.core.security.IamAuthenticator;
@@ -28,6 +27,8 @@
 import com.ibm.watson.text_to_speech.v1.model.*;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import org.junit.After;
 import org.junit.Before;
@@ -79,7 +80,7 @@ private List<Word> instantiateWords() {
             .word("shocking")
             .translation("<phoneme alphabet='ibm' ph='.1Sa.0kIG'></phoneme>")
             .build();
-    return ImmutableList.of(word1, word2);
+    return Collections.unmodifiableList(Arrays.asList(word1, word2));
   }
 
   private List<Word> instantiateWordsJapanese() {
@@ -95,7 +96,7 @@ private List<Word> instantiateWordsJapanese() {
             .translation("close the door")
             .partOfSpeech(Word.PartOfSpeech.HOKA)
             .build();
-    return ImmutableList.of(word1, word2);
+    return Collections.unmodifiableList(Arrays.asList(word1, word2));
   }
 
   private CustomModel createCustomModel() {

text-to-speech/src/test/java/com/ibm/watson/text_to_speech/v1/CustomizationsTest.java

@@ -17,12 +17,10 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableMap;
 import com.ibm.cloud.sdk.core.security.NoAuthAuthenticator;
 import com.ibm.watson.common.WatsonServiceUnitTest;
 import com.ibm.watson.text_to_speech.v1.model.*;
-import java.util.List;
+import java.util.*;
 import okhttp3.mockwebserver.MockResponse;
 import okhttp3.mockwebserver.RecordedRequest;
 import org.junit.Before;
@@ -80,7 +78,7 @@ private static Word instantiateWord() {
   }
 
   private static List<Word> instantiateWords() {
-    return ImmutableList.of(instantiateWord());
+    return Collections.unmodifiableList(Arrays.asList(instantiateWord()));
   }
 
   /**
@@ -331,7 +329,9 @@ public void testDeleteVoiceModel() throws InterruptedException {
   public void testListWords() throws InterruptedException {
     final List<Word> expected = instantiateWords();
 
-    server.enqueue(jsonResponse(ImmutableMap.of(WORDS, expected)));
+    server.enqueue(hashmapToJsonResponse(new HashMap<String, List<Word>>() {{
+        put(WORDS, expected);
+      }}));
     ListWordsOptions listOptions =
         new ListWordsOptions.Builder().customizationId(CUSTOMIZATION_ID).build();
     final Words result = service.listWords(listOptions).execute().getResult();
@@ -351,7 +351,11 @@ public void testListWords() throws InterruptedException {
   public void testGetWord() throws InterruptedException {
     final Word expected = instantiateWords().get(0);
 
-    server.enqueue(jsonResponse(ImmutableMap.of(TRANSLATION, expected.translation())));
+    Map<String, String> map = new HashMap<String, String>() {{
+      put(TRANSLATION, expected.translation());
+    }};
+
+    server.enqueue(hashmapToJsonResponse(map));
     GetWordOptions getOptions =
         new GetWordOptions.Builder()
             .customizationId(CUSTOMIZATION_ID)