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support local-to-local, remote-to-remote casting

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GitOrigin-RevId: d520e26722e1a853216708f4f2cddf83a6ad0b86
This commit is contained in:
Gregory.Shrago
2020-01-28 00:03:44 +03:00
committed by intellij-monorepo-bot
parent a06b996fb3
commit eb0fd7e837
1 changed files with 5 additions and 3 deletions
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8
platform/util/src/com/intellij/execution/rmi/RemoteUtil.java
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@@ -70,8 +70,9 @@ public class RemoteUtil {
}
@Nullable
public static <T> T castToRemote(Object object, Class<T> clazz) {
if (!Proxy.isProxyClass(object.getClass())) return null;
public static <T> T castToRemote(@Nullable Object object, @NotNull Class<T> clazz) {
if (object == null || !Proxy.isProxyClass(object.getClass())) return null;
if (clazz.isInstance(object)) return (T)object;
final InvocationHandler handler = Proxy.getInvocationHandler(object);
if (handler instanceof RemoteInvocationHandler) {
final RemoteInvocationHandler rih = (RemoteInvocationHandler)handler;
@@ -83,7 +84,8 @@ public class RemoteUtil {
}
@NotNull
public static <T> T castToLocal(Object remote, Class<T> clazz) {
public static <T> T castToLocal(@Nullable Object remote, @NotNull Class<T> clazz) {
if (clazz.isInstance(remote)) return (T)remote;
ClassLoader loader = clazz.getClassLoader();
//noinspection unchecked
return (T)Proxy.newProxyInstance(loader, new Class[]{clazz}, new RemoteInvocationHandler(remote, clazz, loader));