code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC 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.openqa.selenium.cli;
  
  import java.io.OutputStream;
  import java.io.OutputStreamWriter;
  import java.io.PrintWriter;
  import java.io.Writer;
  import java.nio.charset.Charset;
  import org.openqa.selenium.internal.Require;
  
  public class WrappedPrintWriter extends PrintWriter {
  
    private final int lineLength;
    private final int indentBy;
    private int position = 0;
  
    public WrappedPrintWriter(OutputStream out, int lineLength, int indentBy) {
      this(new OutputStreamWriter(out, Charset.defaultCharset()), lineLength, indentBy);
    }
  
    public WrappedPrintWriter(Writer out, int lineLength, int indentBy) {
      super(out);
      this.lineLength =
          Require.argument("Line length", lineLength)
              .greaterThan(9, "Lines must be 10 or more characters");
      this.indentBy = Require.nonNegative("An indent", indentBy);
    }
  
    @Override
    public void write(int c) {
      if (c == '\n') {
        super.write(c);
        position = 0;
      } else if (position > lineLength && Character.isWhitespace(c)) {
        super.write('\n');
        for (int i = 0; i < indentBy; i++) {
          super.write(' ');
        }
        position = indentBy;
        return;
      } else {
        super.write(c);
        position++;
      }
  
      flush();
    }
  
    @Override
    public void write(char[] buf, int off, int len) {
      for (int i = 0; i < len; i++) {
        write(buf[off + i]);
      }
    }
  
    @Override
    public void write(String s, int off, int len) {
      for (int i = 0; i < len; i++) {
        write(s.charAt(off + i));
      }
    }
  }
  