84 lines
1.7 KiB
Java
84 lines
1.7 KiB
Java
/* Copyright (C) 1998, 1999 Cygnus Solutions
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package java.io;
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/**
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* @author Warren Levy <warrenl@cygnus.com>
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* @date November 11, 1998.
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* @deprecated
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*/
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/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
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* "The Java Language Specification", ISBN 0-201-63451-1
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* plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
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* Status: Believed complete and correct. Deprecated in JDK 1.1.
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*/
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public class StringBufferInputStream extends InputStream
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{
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/* The String which is the input to this stream. */
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protected String buffer;
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/* Position of the next byte in buffer to be read. */
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protected int pos = 0;
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/* The length of the String buffer. */
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protected int count;
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public StringBufferInputStream(String s)
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{
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buffer = s;
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count = s.length();
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}
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public int available()
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{
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return count - pos;
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}
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public int read()
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{
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if (pos >= count)
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return -1; // EOF
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return ((int) buffer.charAt(pos++)) & 0xFF;
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}
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public int read(byte[] b, int off, int len)
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{
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if (off < 0 || len < 0 || off + len > b.length)
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throw new ArrayIndexOutOfBoundsException();
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if (pos >= count)
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return -1; // EOF
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int numRead = Math.min(len, count - pos);
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if (numRead < 0)
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return 0;
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buffer.getBytes(pos, pos + numRead, b, off);
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pos += numRead;
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return numRead;
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}
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public void reset()
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{
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pos = 0;
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}
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public long skip(long n)
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{
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if (n < 0)
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return 0L;
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long actualSkip = Math.min(n, count - pos);
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pos += actualSkip;
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return actualSkip;
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}
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}
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