JOHNZON-379 & JOHNZON-380 Jsonb{De}Serializer methods and constructor
diff --git a/johnzon-jsonb/src/test/java/org/apache/johnzon/jsonb/JsonbSerializerExceptionsTest.java b/johnzon-jsonb/src/test/java/org/apache/johnzon/jsonb/JsonbSerializerExceptionsTest.java
new file mode 100644
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--- /dev/null
+++ b/johnzon-jsonb/src/test/java/org/apache/johnzon/jsonb/JsonbSerializerExceptionsTest.java
@@ -0,0 +1,212 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.johnzon.jsonb;
+
+import org.junit.Test;
+
+import javax.json.bind.Jsonb;
+import javax.json.bind.JsonbBuilder;
+import javax.json.bind.JsonbConfig;
+import javax.json.bind.JsonbException;
+import javax.json.bind.annotation.JsonbTypeDeserializer;
+import javax.json.bind.annotation.JsonbTypeSerializer;
+import javax.json.bind.serializer.DeserializationContext;
+import javax.json.bind.serializer.JsonbDeserializer;
+import javax.json.bind.serializer.JsonbSerializer;
+import javax.json.bind.serializer.SerializationContext;
+import javax.json.stream.JsonGenerator;
+import javax.json.stream.JsonParser;
+import java.lang.reflect.Type;
+import java.util.concurrent.Callable;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
+public class JsonbSerializerExceptionsTest {
+
+ private static final RuntimeException SERIALIZE_EXCEPTION = new RuntimeException("I am user, hear me roar");
+ private static final RuntimeException DESERIALIZE_EXCEPTION = new RuntimeException("I am user, hear me roar");
+ private static final RuntimeException CONSTRUCTOR_EXCEPTION = new RuntimeException("I am user, hear me roar");
+
+ @Test
+ public void serializeRuntimeException() {
+
+ final Object object = new WidgetWithFailedSerializer(new Color("red"));
+
+ ExceptionAsserts.toJson(object)
+ // TODO Review: shouldn't this be a JsonbException?
+ .assertSame(SERIALIZE_EXCEPTION);
+ }
+
+ @Test
+ public void deserializeRuntimeException() {
+ final String json = "{\"color\":{\"red\":2550,\"green\":0,\"blue\":0}}";
+
+ ExceptionAsserts.fromJson(json, WidgetWithFailedSerializer.class)
+ .assertInstanceOf(JsonbException.class)
+ .assertCauseChain(DESERIALIZE_EXCEPTION)
+ .assertMessage("WidgetWithFailedSerializer property 'color' of type Color cannot be" +
+ " mapped to json object value: {\"red\":2550,\"green\":...\n" +
+ "I am user, hear me roar");
+ }
+
+ @Test
+ public void deserializeConstructorRuntimeException() {
+ final String json = "{\"color\":{\"red\":2550,\"green\":0,\"blue\":0}}";
+
+ ExceptionAsserts.fromJson(json, WidgetWithFailedConstructorSerializer.class)
+ // TODO Review: shouldn't this be wrapped in a JsonbException?
+ .assertSame(CONSTRUCTOR_EXCEPTION);
+ }
+
+ @Test
+ public void serializeConstructorRuntimeException() {
+
+ final Object object = new WidgetWithFailedConstructorSerializer(new Color("red"));
+
+ ExceptionAsserts.toJson(object)
+ // TODO Review: shouldn't this be wrapped in a JsonbException?
+ .assertSame(CONSTRUCTOR_EXCEPTION);
+ }
+
+ @Test
+ public void deserializeReturnNull() throws Exception {
+ final String json = "{\"color\":{\"red\":2550,\"green\":0,\"blue\":0}}";
+
+ final JsonbConfig config = new JsonbConfig();
+ config.setProperty("johnzon.snippetMaxLength", 20);
+
+ final WidgetWithReturnNullDeserializer widget = ((Callable<WidgetWithReturnNullDeserializer>) () -> {
+ try (final Jsonb jsonb = JsonbBuilder.create(config)) {
+ return jsonb.fromJson(json, WidgetWithReturnNullDeserializer.class);
+ }
+ }).call();
+
+ assertNotNull(widget);
+ assertNull(widget.getColor());
+ }
+
+
+ public static class FailedSerializer implements JsonbSerializer<Color>, JsonbDeserializer<Color> {
+ @Override
+ public Color deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext, final Type type) {
+ throw DESERIALIZE_EXCEPTION;
+ }
+
+ @Override
+ public void serialize(final Color color, final JsonGenerator jsonGenerator, final SerializationContext serializationContext) {
+ throw SERIALIZE_EXCEPTION;
+ }
+ }
+
+ public static class FailedConstructorSerializer implements JsonbSerializer<Color>, JsonbDeserializer<Color> {
+ public FailedConstructorSerializer() throws Exception {
+ throw CONSTRUCTOR_EXCEPTION;
+ }
+
+ @Override
+ public Color deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext, final Type type) {
+ return null;
+ }
+
+ @Override
+ public void serialize(final Color color, final JsonGenerator jsonGenerator, final SerializationContext serializationContext) {
+
+ }
+ }
+
+ public static class ReturnNullDeserializer implements JsonbDeserializer<Color> {
+ @Override
+ public Color deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext, final Type type) {
+ return null;
+ }
+ }
+
+ public static class WidgetWithReturnNullDeserializer {
+ @JsonbTypeDeserializer(ReturnNullDeserializer.class)
+ private Color color;
+
+ public WidgetWithReturnNullDeserializer() {
+ }
+
+ public WidgetWithReturnNullDeserializer(final Color color) {
+ this.color = color;
+ }
+
+ public Color getColor() {
+ return color;
+ }
+
+ public void setColor(final Color color) {
+ this.color = color;
+ }
+ }
+
+ public static class WidgetWithFailedConstructorSerializer {
+ @JsonbTypeDeserializer(FailedConstructorSerializer.class)
+ @JsonbTypeSerializer(FailedConstructorSerializer.class)
+ private Color color;
+
+ public WidgetWithFailedConstructorSerializer() {
+ }
+
+ public WidgetWithFailedConstructorSerializer(final Color color) {
+ this.color = color;
+ }
+
+ public Color getColor() {
+ return color;
+ }
+
+ public void setColor(final Color color) {
+ this.color = color;
+ }
+ }
+
+ public static class WidgetWithFailedSerializer {
+ @JsonbTypeDeserializer(FailedSerializer.class)
+ @JsonbTypeSerializer(FailedSerializer.class)
+ private Color color;
+
+ public WidgetWithFailedSerializer() {
+ }
+
+ public WidgetWithFailedSerializer(final Color color) {
+ this.color = color;
+ }
+
+ public Color getColor() {
+ return color;
+ }
+
+ public void setColor(final Color color) {
+ this.color = color;
+ }
+ }
+
+ public static class Color {
+ private final String name;
+
+ public Color(final String name) {
+ this.name = name;
+ }
+
+ public String getName() {
+ return name;
+ }
+ }
+}
