content: /*
   * Copyright (c) 2006, 2020, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package jdkx.tools;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.io.Reader;
  import java.io.Writer;
  import java.net.URI;
  import java.util.Objects;
  
  /**
   * Forwards calls to a given file object.  Subclasses of this class
   * might override some of these methods and might also provide
   * additional fields and methods.
   *
   * @param <F> the kind of file object forwarded to by this object
   * @author Peter von der Ah&eacute;
   * @since 1.6
   */
  public class ForwardingFileObject<F extends FileObject> implements FileObject {
  
      /**
       * The file object which all methods are delegated to.
       */
      protected final F fileObject;
  
      /**
       * Creates a new instance of {@code ForwardingFileObject}.
       * @param fileObject delegate to this file object
       */
      protected ForwardingFileObject(F fileObject) {
          this.fileObject = Objects.requireNonNull(fileObject);
      }
  
      @Override
      public URI toUri() {
          return fileObject.toUri();
      }
  
      @Override
      public String getName() {
          return fileObject.getName();
      }
  
      /**
       * @throws IllegalStateException {@inheritDoc}
       * @throws UnsupportedOperationException {@inheritDoc}
       * @throws IOException {@inheritDoc}
       */
      @Override
      public InputStream openInputStream() throws IOException {
          return fileObject.openInputStream();
      }
  
      /**
       * @throws IllegalStateException {@inheritDoc}
       * @throws UnsupportedOperationException {@inheritDoc}
       * @throws IOException {@inheritDoc}
       */
      @Override
      public OutputStream openOutputStream() throws IOException {
          return fileObject.openOutputStream();
      }
  
      /**
       * @throws IllegalStateException {@inheritDoc}
       * @throws UnsupportedOperationException {@inheritDoc}
       * @throws IOException {@inheritDoc}
       */
      @Override
      public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
          return fileObject.openReader(ignoreEncodingErrors);
      }
  
      /**
       * @throws IllegalStateException {@inheritDoc}
       * @throws UnsupportedOperationException {@inheritDoc}
       * @throws IOException {@inheritDoc}
       */
      @Override
      public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
          return fileObject.getCharContent(ignoreEncodingErrors);
      }
  
      /**
       * @throws IllegalStateException {@inheritDoc}
       * @throws UnsupportedOperationException {@inheritDoc}
       * @throws IOException {@inheritDoc}
       */
      @Override
      public Writer openWriter() throws IOException {
          return fileObject.openWriter();
      }
  
      @Override
      public long getLastModified() {
          return fileObject.getLastModified();
      }
  
      @Override
      public boolean delete() {
          return fileObject.delete();
      }
  }
  