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Fixed handling of Collection types in ManyToMany (#35)

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This commit is contained in:
Francesco 2023-11-08 14:51:04 +01:00
parent c81b495222
commit d22c04b9e4
1 changed files with 27 additions and 1 deletions
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28
src/main/java/tech/ailef/snapadmin/external/dbmapping/DbObject.java vendored
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@ -27,6 +27,7 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import jakarta.persistence.ManyToMany;
@ -71,7 +72,7 @@ public class DbObject {
@SuppressWarnings("unchecked")
public List<DbObject> getValues(DbField field) {
List<Object> values = (List<Object>)get(field.getJavaName()).getValue();
Collection<Object> values = (Collection<Object>)get(field.getJavaName()).getValue();
return values.stream().map(o -> new DbObject(o, field.getConnectedSchema()))
.collect(Collectors.toList());
}
@ -221,9 +222,34 @@ public class DbObject {
throw new SnapAdminException("Unable to find setter method for " + fieldName + " in " + schema.getClassName());
}
Class<?>[] types = setter.getParameterTypes();
if (types.length != 1)
throw new SnapAdminException("Setter " + setter + " has " + types.length + " parameters (expected 1)");
Class<?> expectedSetterType = types[0];
if (!expectedSetterType.isAssignableFrom(value.getClass())) {
// If the value is not assignable we check if it's a collection
// mismatch, e.g. the setter expects a Set but we are passing a List
// or viceversa
if (expectedSetterType == Set.class) {
// Convert value to Set
value = ((Collection<?>)value).stream().collect(Collectors.toSet());
} else if (expectedSetterType == List.class) {
// Convert value to List
value = ((Collection<?>)value).stream().collect(Collectors.toList());
}
}
try {
setter.invoke(instance, value);
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
if (e instanceof IllegalArgumentException) {
throw new RuntimeException("setter: " + setter + ", passed: " + value.getClass(), e);
}
throw new RuntimeException(e);
}
}