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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  
18  package org.apache.commons.io.output;
19  
20  import java.io.IOException;
21  import java.io.UncheckedIOException;
22  import java.util.Objects;
23  
24  import org.apache.commons.io.function.Uncheck;
25  
26  /**
27   * An {@link Appendable} implementation that throws {@link UncheckedIOException} instead of {@link IOException}.
28   *
29   * @see Appendable
30   * @see IOException
31   * @see UncheckedIOException
32   * @since 2.12.0
33   */
34  final class UncheckedAppendableImpl implements UncheckedAppendable {
35  
36      private final Appendable appendable;
37  
38      UncheckedAppendableImpl(final Appendable appendable) {
39          this.appendable = Objects.requireNonNull(appendable, "appendable");
40      }
41  
42      @Override
43      public UncheckedAppendable append(final char c) {
44          Uncheck.apply(appendable::append, c);
45          return this;
46      }
47  
48      @Override
49      public UncheckedAppendable append(final CharSequence csq) {
50          Uncheck.apply(appendable::append, csq);
51          return this;
52      }
53  
54      @Override
55      public UncheckedAppendable append(final CharSequence csq, final int start, final int end) {
56          Uncheck.apply(appendable::append, csq, start, end);
57          return this;
58      }
59  
60      @Override
61      public String toString() {
62          return appendable.toString();
63      }
64  
65  }