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The Apache Commons IO library contains utility classes, stream implementations, file filters,
file comparators, endian transformation classes, and much more.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.io.function;
import java.io.IOException;
import java.util.Objects;
import java.util.function.Consumer;
/**
* Like {@link Consumer} but throws {@link IOException}.
*
* @param the type of the input to the operations.
* @since 2.7
*/
@FunctionalInterface
public interface IOConsumer {
/**
* Performs this operation on the given argument.
*
* @param t the input argument
* @throws IOException if an I/O error occurs.
*/
void accept(T t) throws IOException;
/**
* Returns a composed {@code IoConsumer} that performs, in sequence, this operation followed by the {@code after}
* operation. If performing either operation throws an exception, it is relayed to the caller of the composed
* operation. If performing this operation throws an exception, the {@code after} operation will not be performed.
*
* @param after the operation to perform after this operation
* @return a composed {@code Consumer} that performs in sequence this operation followed by the {@code after}
* operation
* @throws NullPointerException if {@code after} is null
*/
default IOConsumer andThen(final IOConsumer after) {
Objects.requireNonNull(after);
return (final T t) -> {
accept(t);
after.accept(t);
};
}
}