diff --git a/spring-geode/src/main/java/org/springframework/geode/data/json/converter/JsonToObjectArrayConverter.java b/spring-geode/src/main/java/org/springframework/geode/data/json/converter/JsonToObjectArrayConverter.java new file mode 100644 index 00000000..a7ce2d01 --- /dev/null +++ b/spring-geode/src/main/java/org/springframework/geode/data/json/converter/JsonToObjectArrayConverter.java @@ -0,0 +1,43 @@ +/* + * 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 {@link String JSON} + * to an array of {@link Object Objects}. + * + * @author John Blum + * @see java.lang.Object + * @see java.lang.String + * @see org.springframework.core.convert.converter.Converter + * @since 1.3.0 + */ +public interface JsonToObjectArrayConverter extends Converter { + + /** + * Converts the array of {@link Byte#TYPE bytes} containing JSON into an array of {@link Object Objects}. + * + * @param json array of {@link Byte#TYPE bytes} containing the JSON to convert; must not be {@literal null}. + * @return an array of {@link Object Objects} 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/JsonToObjectArrayConverterUnitTests.java b/spring-geode/src/test/java/org/springframework/geode/data/json/converter/JsonToObjectArrayConverterUnitTests.java new file mode 100644 index 00000000..52e0f80b --- /dev/null +++ b/spring-geode/src/test/java/org/springframework/geode/data/json/converter/JsonToObjectArrayConverterUnitTests.java @@ -0,0 +1,61 @@ +/* + * 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.assertj.core.api.Assertions.assertThat; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.eq; +import static org.mockito.Mockito.doCallRealMethod; +import static org.mockito.Mockito.doReturn; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; + +import org.junit.Test; + +import example.app.crm.model.Customer; + +/** + * Unit Tests for {@link JsonToObjectArrayConverter} + * + * @author John Blum + * @see org.junit.Test + * @see org.mockito.Mockito + * @see org.springframework.geode.data.json.converter.JsonToObjectArrayConverter + * @since 1.3.0 + */ +public class JsonToObjectArrayConverterUnitTests { + + @Test + public void convertByteArrayCallsConvertJsonString() { + + String json = "[{\"name\":\"Jon Doe\"},{\"name\":\"Jane Doe\"}]"; + + Object[] array = { + Customer.newCustomer(1L, "Jon Doe"), + Customer.newCustomer(2L, "Jane Doe") + }; + + JsonToObjectArrayConverter converter = mock(JsonToObjectArrayConverter.class); + + doCallRealMethod().when(converter).convert(any(byte[].class)); + doReturn(array).when(converter).convert(eq(json)); + + assertThat(converter.convert(json.getBytes())).containsExactly(array); + + verify(converter, times(1)).convert(eq(json)); + } +}