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MappingJackson2MessageConverter uses generic type

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This is a backport of the #583201 minus use of GenericTypeResolver
which in 5.0 has been refactored to provide a getJavaType method.

Issue: SPR-16252
This commit is contained in:
Rossen Stoyanchev
2018-01-04 13:17:34 -05:00
parent 3c31e0378f
commit 6dbc828aa1
2 changed files with 99 additions and 3 deletions
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21
spring-messaging/src/test/java/org/springframework/messaging/converter/MappingJackson2MessageConverterTests.java
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@@ -19,8 +19,10 @@ package org.springframework.messaging.converter;
import java.io.IOException;
import java.lang.reflect.Method;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.fasterxml.jackson.annotation.JsonView;
@@ -120,6 +122,20 @@ public class MappingJackson2MessageConverterTests {
assertEquals("string", myBean.getString());
}
@Test // SPR-16252
public void fromMessageToList() throws Exception {
MappingJackson2MessageConverter converter = new MappingJackson2MessageConverter();
String payload = "[1, 2, 3, 4, 5, 6, 7, 8, 9]";
Message<?> message = MessageBuilder.withPayload(payload.getBytes(StandardCharsets.UTF_8)).build();
Method method = getClass().getDeclaredMethod("handleList", List.class);
MethodParameter param = new MethodParameter(method, 0);
Object actual = converter.fromMessage(message, List.class, param);
assertNotNull(actual);
assertEquals(Arrays.asList(1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L), actual);
}
@Test
public void toMessage() throws Exception {
MappingJackson2MessageConverter converter = new MappingJackson2MessageConverter();
@@ -209,8 +225,9 @@ public class MappingJackson2MessageConverterTests {
return bean;
}
public void jsonViewPayload(@JsonView(MyJacksonView2.class) JacksonViewBean payload) {
}
public void jsonViewPayload(@JsonView(MyJacksonView2.class) JacksonViewBean payload) {}
void handleList(List<Long> payload) {}
public static class MyBean {