Java 15 support

.github/workflows/gradle.yml

@@ -16,10 +16,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 14
+    - name: Set up JDK 15
       uses: actions/setup-java@v1
       with:
-        java-version: 14
+        java-version: 15
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Build with Gradle

build.gradle

@@ -5,8 +5,8 @@ apply plugin: 'application'
 archivesBaseName = 'todo-backend'
 version = '0.1.0-SNAPSHOT'
 
-sourceCompatibility = 14
-targetCompatibility = 14
+sourceCompatibility = 15
+targetCompatibility = 15
 
 repositories {
   mavenLocal()
@@ -26,23 +26,28 @@ test {
   jvmArgs(['--enable-preview'])
 }
 
+javadoc.options {
+    addBooleanOption('-enable-preview', true)
+    addStringOption('-release', '15')
+}
+
 dependencies {
   implementation 'com.github.tonivade:purefun-monad:2.2-SNAPSHOT'
   implementation 'com.github.tonivade:purefun-effect:2.2-SNAPSHOT'
   implementation 'com.github.tonivade:purefun-instances:2.2-SNAPSHOT'
   implementation 'com.github.tonivade:zeromock-server:0.14.0-SNAPSHOT'
   implementation 'com.github.tonivade:puredbc:0.2.0-SNAPSHOT'
   implementation 'com.github.tonivade:purecfg:0.2.0-SNAPSHOT'
-  implementation 'com.google.code.gson:gson:2.8.5'
+  implementation 'com.github.tonivade:purejson:0.1.0-SNAPSHOT'
   implementation 'com.zaxxer:HikariCP:3.4.2'
   implementation 'org.flywaydb:flyway-core:5.2.4'
   runtime 'com.h2database:h2:1.4.200'
   testImplementation 'com.github.tonivade:zeromock-junit5:0.14.0-SNAPSHOT'
   testImplementation 'com.github.tonivade:zeromock-client:0.14.0-SNAPSHOT'
-  testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.6.2'
-  testImplementation 'org.junit.platform:junit-platform-runner:1.6.2'
-  testImplementation 'org.mockito:mockito-core:3.5.9'
-  testImplementation 'org.mockito:mockito-junit-jupiter:3.5.9'
+  testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.7.0'
+  testImplementation 'org.junit.platform:junit-platform-runner:1.7.0'
+  testImplementation 'org.mockito:mockito-core:3.5.11'
+  testImplementation 'org.mockito:mockito-junit-jupiter:3.5.11'
 }
 
 application {

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/java/com/github/tonivade/todo/application/TodoAPI.java

@@ -4,15 +4,25 @@
  */
 package com.github.tonivade.todo.application;
 
+import static com.github.tonivade.json.JsonElement.array;
+import static com.github.tonivade.json.JsonElement.entry;
+import static com.github.tonivade.json.JsonElement.object;
+import static com.github.tonivade.json.JsonPrimitive.number;
+import static com.github.tonivade.json.JsonPrimitive.string;
 import static com.github.tonivade.purefun.Function1.cons;
 import static com.github.tonivade.purefun.Precondition.checkNonNull;
 import static com.github.tonivade.purefun.effect.TaskOf.toTask;
 import static com.github.tonivade.zeromock.api.Deserializers.jsonToObject;
 import static com.github.tonivade.zeromock.api.Extractors.pathParam;
 import static com.github.tonivade.zeromock.api.Serializers.throwableToJson;
 
+import java.lang.reflect.Type;
+import java.util.ArrayList;
 import java.util.NoSuchElementException;
 
+import com.github.tonivade.json.Json;
+import com.github.tonivade.json.JsonElement;
+import com.github.tonivade.json.Reflection;
 import com.github.tonivade.purefun.Function1;
 import com.github.tonivade.purefun.Function2;
 import com.github.tonivade.purefun.Operator1;
@@ -97,7 +107,7 @@ public UIO<HttpResponse> deleteAll(HttpRequest request) {
 
   private Task<TodoDTO> getTodo(HttpRequest request) {
     return Task.task(request::body)
-        .map(jsonToObject(TodoDTO.class));
+        .map(jsonToObject(json -> new Json().fromJson(json, TodoDTO.class)));
   }
 
   private Task<Integer> getId(HttpRequest request) {
@@ -136,17 +146,40 @@ private <T> Function1<Option<T>, Operator1<Todo>> toOperation(Function2<Todo, T,
   }
 
   private Function1<Throwable, HttpResponse> fromError(Function1<Bytes, HttpResponse> toResponse) {
-    return throwableToJson().andThen(toResponse);
+    return throwableToJson(serializeThrowable()).andThen(toResponse);
+  }
+
+  private Function1<Throwable, String> serializeThrowable() {
+    return error -> {
+      JsonElement object = object(
+          entry("type", string(error.getClass().getName())),
+          entry("message", string(error.getMessage())),
+          entry("stack", array(serializeStack(error.getStackTrace())))
+          );
+      return Json.serialize(object);
+    };
+  }
+
+  private Iterable<JsonElement> serializeStack(StackTraceElement[] stackTrace) {
+    var items = new ArrayList<JsonElement>();
+    for (StackTraceElement stackTraceElement : stackTrace) {
+      items.add(object(
+          entry("className", string(stackTraceElement.getClassName())),
+          entry("methodName", string(stackTraceElement.getMethodName())),
+          entry("lineNumber", number(stackTraceElement.getLineNumber()))));
+    }
+    return items;
   }
 
   private Function1<Todo, HttpResponse> fromTodo(Function1<Bytes, HttpResponse> toResponse) {
-    return Serializers.<TodoDTO>objectToJson()
+    return Serializers.<TodoDTO>objectToJson(new Json()::toString)
         .compose(TodoDTO::fromDomain)
         .andThen(toResponse);
   }
 
   private Function1<Sequence<Todo>, HttpResponse> fromSequence(Function1<Bytes, HttpResponse> toResponse) {
-    return Serializers.<Sequence<TodoDTO>>objectToJson()
+    Type listOfTodos = new Reflection<Sequence<TodoDTO>>() {}.getType();
+    return Serializers.<Sequence<TodoDTO>>objectToJson(value -> new Json().toString(value, listOfTodos))
         .<Sequence<Todo>>compose(seq -> seq.map(TodoDTO::fromDomain))
         .andThen(toResponse);
   }

src/main/resources/application.toml

@@ -1,6 +1,6 @@
 [server]
   host = "localhost"
-  port = 8080
+  port = 8081
 
 [database]
   url = "jdbc:h2:mem:todo"

src/test/java/com/github/tonivade/todo/EndToEndTest.java

@@ -5,7 +5,7 @@
 package com.github.tonivade.todo;
 
 import static com.github.tonivade.zeromock.api.Bytes.asBytes;
-import static com.github.tonivade.zeromock.api.Deserializers.jsonToObject;
+import static com.github.tonivade.zeromock.api.Bytes.asString;
 import static com.github.tonivade.zeromock.api.Requests.delete;
 import static com.github.tonivade.zeromock.api.Requests.get;
 import static com.github.tonivade.zeromock.api.Requests.post;
@@ -18,16 +18,16 @@
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 
+import com.github.tonivade.json.Json;
+import com.github.tonivade.json.Reflection;
 import com.github.tonivade.todo.application.TodoDTO;
-import com.github.tonivade.zeromock.api.Deserializers;
 import com.github.tonivade.zeromock.api.HttpRequest;
 import com.github.tonivade.zeromock.api.HttpResponse;
 import com.github.tonivade.zeromock.api.HttpStatus;
 import com.github.tonivade.zeromock.api.HttpUIOService;
 import com.github.tonivade.zeromock.client.UIOHttpClient;
 import com.github.tonivade.zeromock.junit5.MockHttpServerExtension;
 import com.github.tonivade.zeromock.server.UIOMockHttpServer;
-import com.google.gson.reflect.TypeToken;
 
 @ExtendWith(MockHttpServerExtension.class)
 public class EndToEndTest {
@@ -171,12 +171,12 @@ public void updateTitleOrderAndCompleted(UIOMockHttpServer server, UIOHttpClient
   }
 
   private List<TodoDTO> parseList(HttpResponse response) {
-    Type listOfTodos = new TypeToken<List<TodoDTO>>() {}.getType();
-    return Deserializers.<List<TodoDTO>>jsonTo(listOfTodos).apply(response.body());
+    Type listOfTodos = new Reflection<List<TodoDTO>>() {}.getType();
+    return new Json().fromJson(asString(response.body()), listOfTodos);
   }
 
   private TodoDTO parseItem(HttpResponse response) {
-    return jsonToObject(TodoDTO.class).apply(response.body());
+    return new Json().fromJson(asString(response.body()), TodoDTO.class);
   }
 
   private HttpRequest deleteAll() {