+++ /dev/null
-/* Copyright (C) 1998, 1999, 2001 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-package java.io;
-
-/**
- * @author Warren Levy <warrenl@cygnus.com>
- * @date October 28, 1998.
- */
-/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
- * "The Java Language Specification", ISBN 0-201-63451-1
- * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
- * Status: Believed complete and correct.
- */
-
-public class FileInputStream extends InputStream
-{
- /* Contains the file descriptor for referencing the actual file. */
- private FileDescriptor fd;
-
- public FileInputStream(String name) throws FileNotFoundException
- {
- SecurityManager s = System.getSecurityManager();
- if (s != null)
- s.checkRead(name);
- fd = new FileDescriptor(name, FileDescriptor.READ);
- }
-
- public FileInputStream(File file) throws FileNotFoundException
- {
- this(file.getPath());
- }
-
- public FileInputStream(FileDescriptor fdObj)
- {
- SecurityManager s = System.getSecurityManager();
- if (s != null)
- s.checkRead(fdObj);
- fd = fdObj;
- }
-
- public int available() throws IOException
- {
- return fd.available();
- }
-
- public void close() throws IOException
- {
- if (fd.valid())
- fd.close();
- }
-
- protected void finalize() throws IOException
- {
- if (fd != null)
- fd.finalize();
- }
-
- public final FileDescriptor getFD() throws IOException
- {
- if (!fd.valid())
- throw new IOException();
- return fd;
- }
-
- public int read() throws IOException
- {
- return fd.read();
- }
-
- public int read(byte[] b) throws IOException
- {
- return fd.read(b, 0, b.length);
- }
-
- public int read(byte[] b, int off, int len) throws IOException
- {
- if (off < 0 || len < 0 || off + len > b.length)
- throw new ArrayIndexOutOfBoundsException();
-
- return fd.read(b, off, len);
- }
-
- public long skip(long n) throws IOException
- {
- long startPos = fd.getFilePointer();
- long endPos = fd.seek(n, FileDescriptor.CUR, true);
- return endPos - startPos;
- }
-}