org.hibernate.search.util.impl.Closeables Maven / Gradle / Ivy
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/*
* Hibernate Search, full-text search for your domain model
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.search.util.impl;
import java.io.Closeable;
import java.io.IOException;
import org.hibernate.search.util.logging.impl.Log;
import org.hibernate.search.util.logging.impl.LoggerFactory;
import java.lang.invoke.MethodHandles;
/**
* @author Yoann Rodiere
*/
public final class Closeables {
private static final Log log = LoggerFactory.make( MethodHandles.lookup() );
private Closeables() {
// Private constructor
}
/**
* Close multiple resources, ensuring that all resources get closed
* even if one of them throws a Throwable.
*
* The first caught throwable will be re-thrown, and any additional
* throwable will be {@link Throwable#addSuppressed(Throwable) suppressed}.
*
* @param closeables The resources to close
* @throws E if a closeable throws such an exception
*/
public static void close(Iterable> closeables) throws E {
try ( Closer closer = new Closer<>() ) {
closer.pushAll( GenericCloseable::close, closeables );
}
}
/**
* Close a resource without throwing an exception.
*
* @param resource the resource to close
*/
public static void closeQuietly(Closeable resource) {
if ( resource != null ) {
try {
resource.close();
}
catch (IOException | RuntimeException e) {
//we don't really care if we can't close
log.couldNotCloseResource( e );
}
}
}
/**
* Close resources without throwing an exception.
*
* @param resourceIterables the iterables containing the resources to close
*/
@SafeVarargs
public static void closeQuietly(Iterable ... resourceIterables) {
for ( Iterable resourceIterable : resourceIterables ) {
for ( Closeable resource : resourceIterable ) {
closeQuietly( resource );
}
}
}
}