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DATACMNS-820 - Allow setter invocations in projections backed by beans.

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Invocations to setter methods are now passed to the backing bean.

Original pull request: #155.
This commit is contained in:
Mark Paluch
2016-02-20 16:14:55 +01:00
committed by Oliver Gierke
parent 1a97627196
commit e868577def
3 changed files with 111 additions and 2 deletions
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17
src/main/java/org/springframework/data/projection/PropertyAccessingMethodInterceptor.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2014-2015 the original author or authors.
* Copyright 2014-2016 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.
@@ -30,6 +30,7 @@ import org.springframework.util.ReflectionUtils;
* Method interceptor to forward a delegation to bean property accessor methods to the property of a given target.
*
* @author Oliver Gierke
* @author Mark Paluch
* @since 1.10
*/
class PropertyAccessingMethodInterceptor implements MethodInterceptor {
@@ -66,6 +67,20 @@ class PropertyAccessingMethodInterceptor implements MethodInterceptor {
throw new IllegalStateException("Invoked method is not a property accessor!");
}
if (isSetterMethod(method, descriptor)) {
if (invocation.getArguments().length != 1) {
throw new IllegalStateException("Invoked setter method requires exactly one argument!");
}
target.setPropertyValue(descriptor.getName(), invocation.getArguments()[0]);
return null;
}
return target.getPropertyValue(descriptor.getName());
}
private boolean isSetterMethod(Method method, PropertyDescriptor descriptor) {
return method.equals(descriptor.getWriteMethod());
}
}