/*
    * 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
    *
    *      https://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.output;
  
  import java.io.FilterWriter;
  import java.io.IOException;
  import java.io.UncheckedIOException;
  import java.io.Writer;
  
  import org.apache.commons.io.build.AbstractStreamBuilder;
  import org.apache.commons.io.function.Uncheck;
  
  /**
   * A {@link FilterWriter} that throws {@link UncheckedIOException} instead of {@link IOException}.
   * <p>
   * To build an instance, use {@link Builder}.
   * </p>
   *
   * @see Builder
   * @see FilterWriter
   * @see IOException
   * @see UncheckedIOException
   * @since 2.12.0
   */
  public final class UncheckedFilterWriter extends FilterWriter {
  
      // @formatter:off
      /**
       * Builds a new {@link UncheckedFilterWriter}.
       *
       * <p>
       * Using File IO:
       * </p>
       * <pre>{@code
       * UncheckedFilterWriter s = UncheckedFilterWriter.builder()
       *   .setFile(file)
       *   .get();}
       * </pre>
       * <p>
       * Using NIO Path:
       * </p>
       * <pre>{@code
       * UncheckedFilterWriter s = UncheckedFilterWriter.builder()
       *   .setPath(path)
       *   .get();}
       * </pre>
       *
       * @see #get()
       */
      // @formatter:on
      public static class Builder extends AbstractStreamBuilder<UncheckedFilterWriter, Builder> {
  
          /**
           * Constructs a builder of {@link UncheckedFilterWriter}.
           */
          public Builder() {
              // empty
          }
  
          /**
           * Builds a new {@link UncheckedFilterWriter}.
           * <p>
           * You must set an aspect that supports {@link #getWriter()} on this builder, otherwise, this method throws an exception.
           * </p>
           * <p>
           * This builder uses the following aspects:
           * </p>
           * <ul>
           * <li>{@link #getWriter()}</li>
           * </ul>
           *
           * @return a new instance.
           * @throws UnsupportedOperationException if the origin cannot provide a {@link Writer}.
           * @throws IOException                   if an I/O error occurs converting to an {@link Writer} using {@link #getWriter()}.
           * @see #getWriter()
           * @see #getUnchecked()
           */
          @Override
          public UncheckedFilterWriter get() throws IOException {
              return new UncheckedFilterWriter(this);
          }
  
      }
  
     /**
      * Constructs a new {@link Builder}.
      *
      * @return a new {@link Builder}.
      */
     public static Builder builder() {
         return new Builder();
     }
 
     /**
      * Constructs a new filtered writer.
      *
      * @param builder a Writer object providing the underlying stream.
      * @throws NullPointerException if {@code builder} the its {@code Writer} is {@code null}.
      * @throws IOException          if an I/O error occurs converting to an {@link Writer} using {@link #getWriter()}.
      */
     @SuppressWarnings("resource") // Caller closes.
     private UncheckedFilterWriter(final Builder builder) throws IOException {
         super(builder.getWriter());
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public Writer append(final char c) throws UncheckedIOException {
         return Uncheck.apply(super::append, c);
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public Writer append(final CharSequence csq) throws UncheckedIOException {
         return Uncheck.apply(super::append, csq);
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public Writer append(final CharSequence csq, final int start, final int end) throws UncheckedIOException {
         return Uncheck.apply(super::append, csq, start, end);
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public void close() throws UncheckedIOException {
         Uncheck.run(super::close);
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public void flush() throws UncheckedIOException {
         Uncheck.run(super::flush);
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public void write(final char[] cbuf) throws UncheckedIOException {
         Uncheck.accept(super::write, cbuf);
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public void write(final char[] cbuf, final int off, final int len) throws UncheckedIOException {
         Uncheck.accept(super::write, cbuf, off, len);
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public void write(final int c) throws UncheckedIOException {
         Uncheck.accept(super::write, c);
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public void write(final String str) throws UncheckedIOException {
         Uncheck.accept(super::write, str);
     }
 
     /**
      * Calls this method's super and rethrow {@link IOException} as {@link UncheckedIOException}.
      */
     @Override
     public void write(final String str, final int off, final int len) throws UncheckedIOException {
         Uncheck.accept(super::write, str, off, len);
     }
 
 }