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exceptionwrapping
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| Runtime.getRuntime().addShutdownHook(new Thread(() -> consumer(server::close))); | |
| File tempFile = propagate(() -> File.createTempFile("util-tests", ".tmp")); |
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| public class Java8Util { | |
| public static interface ExceptionWrapper<E> { | |
| E wrap(Exception e); | |
| } | |
| public static <T> T propagate(Callable<T> callable) throws RuntimeException { | |
| return propagate(callable, RuntimeException::new); | |
| } | |
| public static <T, E extends Throwable> T propagate(Callable<T> callable, ExceptionWrapper<E> wrapper) throws E { | |
| try { | |
| return callable.call(); | |
| } catch (RuntimeException e) { | |
| throw e; | |
| } catch (Exception e) { | |
| throw wrapper.wrap(e); | |
| } | |
| } | |
| public interface RunnableWithException { | |
| public void run() throws Exception; | |
| } | |
| public static void consumer(RunnableWithException runnable) throws RuntimeException { | |
| consumer(runnable, RuntimeException::new); | |
| } | |
| public static void consumer(RunnableWithException runnable, ExceptionWrapper<RuntimeException> wrapper) { | |
| try { | |
| runnable.run(); | |
| } catch (RuntimeException e) { | |
| throw e; | |
| } catch (Exception e) { | |
| throw wrapper.wrap(e); | |
| } | |
| } | |
| } |
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