UncheckedAppendableImpl.java

  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * The ASF licenses this file to You under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  *      http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */

  17. package org.apache.commons.io.output;

  18. import java.io.IOException;
  19. import java.io.UncheckedIOException;
  20. import java.util.Objects;

  21. import org.apache.commons.io.function.Uncheck;

  22. /**
  23.  * An {@link Appendable} implementation that throws {@link UncheckedIOException} instead of {@link IOException}.
  24.  *
  25.  * @see Appendable
  26.  * @see IOException
  27.  * @see UncheckedIOException
  28.  * @since 2.12.0
  29.  */
  30. final class UncheckedAppendableImpl implements UncheckedAppendable {

  31.     private final Appendable appendable;

  32.     UncheckedAppendableImpl(final Appendable appendable) {
  33.         this.appendable = Objects.requireNonNull(appendable, "appendable");
  34.     }

  35.     @Override
  36.     public UncheckedAppendable append(final char c) {
  37.         Uncheck.apply(appendable::append, c);
  38.         return this;
  39.     }

  40.     @Override
  41.     public UncheckedAppendable append(final CharSequence csq) {
  42.         Uncheck.apply(appendable::append, csq);
  43.         return this;
  44.     }

  45.     @Override
  46.     public UncheckedAppendable append(final CharSequence csq, final int start, final int end) {
  47.         Uncheck.apply(appendable::append, csq, start, end);
  48.         return this;
  49.     }

  50.     @Override
  51.     public String toString() {
  52.         return appendable.toString();
  53.     }

  54. }