Spring/spring-data-mongodb
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Fix regression in value to String mapping.

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Previous versions allow arbitrary values to be mapped to an string property by calling the ObjectToString converter. This behaviour got lost and is not reestablished.

Closes #4371
Original pull request #4373
This commit is contained in:
Christoph Strobl
2023-04-25 10:03:16 +02:00
committed by Mark Paluch
parent fb43e85ea5
commit b9af92059d
2 changed files with 11 additions and 6 deletions
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9
spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/MappingMongoConverter.java
View File

@@ -2329,8 +2329,10 @@ public class MappingMongoConverter extends AbstractMongoConverter implements App
if (source instanceof Collection) {
Class<?> rawType = typeHint.getType();
if (!Object.class.equals(rawType)) {
if (!Object.class.equals(rawType) && !String.class.equals(rawType)) {
if (!rawType.isArray() && !ClassUtils.isAssignable(Iterable.class, rawType)) {
throw new MappingException(
String.format(INCOMPATIBLE_TYPES, source, source.getClass(), rawType, getPath()));
}
@@ -2359,11 +2361,6 @@ public class MappingMongoConverter extends AbstractMongoConverter implements App
return (S) dbRefConverter.convert(context, (DBRef) source, typeHint);
}
if (source instanceof Collection) {
throw new MappingException(
String.format(INCOMPATIBLE_TYPES, source, BasicDBList.class, typeHint.getType(), getPath()));
}
if (BsonUtils.supportsBson(source)) {
return (S) documentConverter.convert(context, BsonUtils.asBson(source), typeHint);
}

8
spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/MappingMongoConverterUnitTests.java
View File

@@ -2858,6 +2858,14 @@ class MappingMongoConverterUnitTests {
assertThat(converter.read(Cyclic.class, source).cycle.value).isEqualTo("v2");
}
@Test // GH-4371
void shouldConvertTypesToStringTargetType() {
org.bson.Document source = org.bson.Document.parse("{\n" + " city : [\"Gotham\", \"Metropolis\"]\n" + "}\n");
assertThat(converter.read(Address.class, source).city).isEqualTo("Gotham,Metropolis");
}
static class GenericType<T> {
T content;
}