diff --git a/spring-geode/src/main/java/org/springframework/geode/data/json/converter/JsonToObjectConverter.java b/spring-geode/src/main/java/org/springframework/geode/data/json/converter/JsonToObjectConverter.java new file mode 100644 index 00000000..dfd1653c --- /dev/null +++ b/spring-geode/src/main/java/org/springframework/geode/data/json/converter/JsonToObjectConverter.java @@ -0,0 +1,44 @@ +/* + * Copyright 2020 the original author or authors. + * + * Licensed 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 + * + * https://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.springframework.geode.data.json.converter; + +import org.springframework.core.convert.converter.Converter; +import org.springframework.lang.NonNull; + +/** + * Spring {@link Converter} interface extension defining a contract to convert + * from {@link String JSON} to an {@link Object} (POJO). + * + * @author John Blum + * @see java.lang.Object + * @see java.lang.String + * @see org.springframework.core.convert.converter.Converter + * @since 1.3.0 + */ +public interface JsonToObjectConverter extends Converter { + + /** + * Converts the array of {@link Byte#TYPE bytes} containing JSON into an {@link Object} (POJO). + * + * @param json array of {@link Byte#TYPE bytes} containing JSON to convert into an {@link Object} (POJO); + * must not be {@literal null}. + * @return an {@link Object} (POJO) converted from the array of {@link Byte#TYPE bytes} containing JSON. + * @see #convert(Object) + */ + default @NonNull Object convert(@NonNull byte[] json) { + return convert(new String(json)); + } +} diff --git a/spring-geode/src/test/java/org/springframework/geode/data/json/converter/JsonToObjectConverterUnitTests.java b/spring-geode/src/test/java/org/springframework/geode/data/json/converter/JsonToObjectConverterUnitTests.java new file mode 100644 index 00000000..91ca492e --- /dev/null +++ b/spring-geode/src/test/java/org/springframework/geode/data/json/converter/JsonToObjectConverterUnitTests.java @@ -0,0 +1,51 @@ +/* + * Copyright 2020 the original author or authors. + * + * Licensed 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 + * + * https://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.springframework.geode.data.json.converter; + +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.eq; +import static org.mockito.Mockito.doCallRealMethod; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; + +import org.junit.Test; + +/** + * Unit Tests for {@link JsonToObjectConverter}. + * + * @author John Blum + * @see org.junit.Test + * @see org.mockito.Mockito + * @see org.springframework.geode.data.json.converter.JsonToObjectConverter + * @since 1.3.0 + */ +public class JsonToObjectConverterUnitTests { + + @Test + public void convertByteArrayCallsConvertJsonString() { + + JsonToObjectConverter converter = mock(JsonToObjectConverter.class); + + doCallRealMethod().when(converter).convert(any(byte[].class)); + + String json = "{ \"name\": \"Jon Doe\"}"; + + converter.convert(json.getBytes()); + + verify(converter, times(1)).convert(eq(json)); + } +}