Only cache resolved method when coming from ReflectiveMethodResolver

Issue: SPR-9495
(cherry picked from commit b7ff26a)
This commit is contained in:
Juergen Hoeller
2013-09-04 16:43:51 +02:00
parent b9d726fb84
commit 6de67cc2df
2 changed files with 55 additions and 4 deletions

View File

@@ -32,6 +32,7 @@ import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.core.MethodParameter;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.expression.AccessException;
import org.springframework.expression.BeanResolver;
@@ -1775,6 +1776,47 @@ public class SpelReproTests extends ExpressionTestCase {
assertEquals(XYZ.Z, Array.get(result, 2));
}
@Test
public void SPR_9495() throws Exception {
SpelParserConfiguration configuration = new SpelParserConfiguration(false, false);
ExpressionParser parser = new SpelExpressionParser(configuration);
StandardEvaluationContext context = new StandardEvaluationContext();
Expression spel = parser.parseExpression("#enumType.values()");
context.setVariable("enumType", ABC.class);
Object result = spel.getValue(context);
assertNotNull(result);
assertTrue(result.getClass().isArray());
assertEquals(ABC.A, Array.get(result, 0));
assertEquals(ABC.B, Array.get(result, 1));
assertEquals(ABC.C, Array.get(result, 2));
context.addMethodResolver(new MethodResolver() {
@Override
public MethodExecutor resolve(EvaluationContext context, Object targetObject, String name, List<TypeDescriptor> argumentTypes) throws AccessException {
return new MethodExecutor() {
@Override
public TypedValue execute(EvaluationContext context, Object target, Object... arguments) throws AccessException {
try {
Method method = XYZ.class.getMethod("values");
Object value = method.invoke(target, arguments);
return new TypedValue(value, new TypeDescriptor(new MethodParameter(method, -1)).narrow(value));
}
catch (Exception ex) {
throw new AccessException(ex.getMessage(), ex);
}
}
};
}
});
result = spel.getValue(context);
assertNotNull(result);
assertTrue(result.getClass().isArray());
assertEquals(XYZ.X, Array.get(result, 0));
assertEquals(XYZ.Y, Array.get(result, 1));
assertEquals(XYZ.Z, Array.get(result, 2));
}
private static enum ABC {A, B, C}