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Some new exception enabled functional interfaces

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This commit is contained in:
Marc Baloup 2022-08-06 22:18:43 +02:00
parent 6e4ec629b0
commit 5457dd918b
Signed by: marcbal
GPG Key ID: BBC0FE3ABC30B893
1 changed files with 50 additions and 2 deletions
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52
pandalib-util/src/main/java/fr/pandacube/lib/util/ThrowableUtil.java
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@ -5,6 +5,7 @@ import java.io.IOException;
import java.io.PrintStream; import java.io.PrintStream;
import java.lang.reflect.InvocationTargetException; import java.lang.reflect.InvocationTargetException;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
import java.util.function.BiConsumer;
/** /**
* Utility class to easily manipulate {@link Throwable}s. * Utility class to easily manipulate {@link Throwable}s.
@ -101,7 +102,7 @@ public class ThrowableUtil {
* A supplier that can possibly throw a checked exception. * A supplier that can possibly throw a checked exception.
*/ */
@FunctionalInterface @FunctionalInterface
public interface SupplierException<T> { public interface SupplierException<T> { // TODO make exception type generic
/** /**
* Gets a result. * Gets a result.
* @return a result. * @return a result.
@ -116,7 +117,7 @@ public class ThrowableUtil {
* A runnable that can possibly throw a checked exception. * A runnable that can possibly throw a checked exception.
*/ */
@FunctionalInterface @FunctionalInterface
public interface RunnableException { public interface RunnableException { // TODO make exception type generic
/** /**
* Run any code implemented. * Run any code implemented.
* @throws Exception if implementation failed to run. * @throws Exception if implementation failed to run.
@ -126,6 +127,53 @@ public class ThrowableUtil {
/**
* A predicate that can possibly throw a checked exception.
*/
@FunctionalInterface
public interface PredicateException<T, E extends Exception> {
/**
* Test the predicate on the specified value.
* @param value the value to test against.
* @return the result of the test.
* @throws E if implementation failed to run.
*/
boolean test(T value) throws E;
}
/**
* A function that can possibly throw a checked exception.
*/
public interface ToIntBiFunctionException<T, U, E extends Exception> {
/**
* Run on the specified parameters to return an int value.
* @param t the first parameter of the function.
* @param u the second parameter of the function.
* @return the result of the function.
* @throws E if the function fails.
*/
int applyAsInt(T t, U u) throws E;
}
/**
* A consumer that can possibly throw a checked exception.
*/
public interface BiConsumer<T, U, E extends Exception> {
/**
* Run the consumer on the specified parameters.
* @param t the first parameter of the consumer.
* @param u the second parameter of the consumer.
* @throws E if the function fails.
*/
void accept(T t, U u) throws E;
}
private static RuntimeException uncheck(Throwable t, boolean convertReflectionExceptionToError) { private static RuntimeException uncheck(Throwable t, boolean convertReflectionExceptionToError) {
if (t instanceof Error er) { if (t instanceof Error er) {