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Add early null check.

This commit is contained in:
Gary Gregory 2022-03-07 11:00:24 -05:00
parent abb5a409f7
commit 72ad3cbc1a
1 changed files with 8 additions and 10 deletions
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16
src/main/java/org/apache/commons/lang3/reflect/MethodUtils.java
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@ -31,6 +31,7 @@ import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.TreeMap;
import java.util.stream.Collectors;
@ -201,32 +202,29 @@ public class MethodUtils {
* @throws IllegalAccessException if the requested method is not accessible via reflection
* @since 3.5
*/
public static Object invokeMethod(final Object object, final boolean forceAccess, final String methodName,
Object[] args, Class<?>[] parameterTypes)
public static Object invokeMethod(final Object object, final boolean forceAccess, final String methodName, Object[] args, Class<?>[] parameterTypes)
throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
Objects.requireNonNull(object, "object");
parameterTypes = ArrayUtils.nullToEmpty(parameterTypes);
args = ArrayUtils.nullToEmpty(args);
final String messagePrefix;
final Method method;
final Class<? extends Object> cls = object.getClass();
if (forceAccess) {
messagePrefix = "No such method: ";
method = getMatchingMethod(object.getClass(),
methodName, parameterTypes);
method = getMatchingMethod(cls, methodName, parameterTypes);
if (method != null && !method.isAccessible()) {
method.setAccessible(true);
}
} else {
messagePrefix = "No such accessible method: ";
method = getMatchingAccessibleMethod(object.getClass(),
methodName, parameterTypes);
method = getMatchingAccessibleMethod(cls, methodName, parameterTypes);
}
if (method == null) {
throw new NoSuchMethodException(messagePrefix
+ methodName + "() on object: "
+ object.getClass().getName());
throw new NoSuchMethodException(messagePrefix + methodName + "() on object: " + cls.getName());
}
args = toVarArgs(method, args);