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Prevent NPE from occurring #2362

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Prevent NPE from occurring #2362

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8 changes: 5 additions & 3 deletions spring-data-rest-core/src/main/java/org/springframework/data/rest/core/ValidationErrors.java
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Original file line number Diff line number Diff line change
Expand Up @@ -55,9 +55,7 @@ public class ValidationErrors extends AbstractPropertyBindingResult {
*/
public ValidationErrors(Object source, PersistentEntities entities) {

super(source.getClass().getSimpleName());

Assert.notNull(source, "Entity must not be null");
super(requireNotNull(source, "Entity must not be null").getClass().getSimpleName());
Assert.notNull(entities, "PersistentEntities must not be null");

this.entities = entities;
Expand Down Expand Up @@ -104,6 +102,10 @@ private Object lookupValueOn(Object value, String segment) {
}
};
}
private static <T> T requireNotNull(T object, String message) {
Assert.notNull(object, message);
return object;
}

@Override
public Object getTarget() {
Expand Down