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8317356: Fix missing null checks in the ClassFile API

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Co-authored-by: Nizar Benalla <nbenalla@openjdk.org>
Reviewed-by: asotona
This commit is contained in:
Chen Liang 2024-10-14 17:21:10 +00:00
parent 60713463c7
commit a2c775222e
36 changed files with 249 additions and 116 deletions
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9
src/java.base/share/classes/java/lang/classfile/MethodTransform.java
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@ -31,6 +31,8 @@ import java.util.function.Supplier;
import jdk.internal.classfile.impl.TransformImpl;
import jdk.internal.javac.PreviewFeature;
import static java.util.Objects.requireNonNull;
/**
* A transformation on streams of {@link MethodElement}.
*
@ -62,6 +64,7 @@ public non-sealed interface MethodTransform
* @return the stateful method transform
*/
static MethodTransform ofStateful(Supplier<MethodTransform> supplier) {
requireNonNull(supplier);
return new TransformImpl.SupplierMethodTransform(supplier);
}
@ -73,6 +76,7 @@ public non-sealed interface MethodTransform
* @return the method transform
*/
static MethodTransform endHandler(Consumer<MethodBuilder> finisher) {
requireNonNull(finisher);
return new MethodTransform() {
@Override
public void accept(MethodBuilder builder, MethodElement element) {
@ -94,6 +98,7 @@ public non-sealed interface MethodTransform
* @return the method transform
*/
static MethodTransform dropping(Predicate<MethodElement> filter) {
requireNonNull(filter);
return (b, e) -> {
if (!filter.test(e))
b.with(e);
@ -108,7 +113,7 @@ public non-sealed interface MethodTransform
* @return the class transform
*/
static MethodTransform transformingCode(CodeTransform xform) {
return new TransformImpl.MethodCodeTransform(xform);
return new TransformImpl.MethodCodeTransform(requireNonNull(xform));
}
/**
@ -120,6 +125,6 @@ public non-sealed interface MethodTransform
*/
@Override
default MethodTransform andThen(MethodTransform t) {
return new TransformImpl.ChainedMethodTransform(this, t);
return new TransformImpl.ChainedMethodTransform(this, requireNonNull(t));
}
}