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/* Copyright (C) 1998, 1999 Cygnus Solutions
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 November 11, 1998.
* @deprecated
*/
/* 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. Deprecated in JDK 1.1.
*/
public class StringBufferInputStream extends InputStream
{
/* The String which is the input to this stream. */
protected String buffer;
/* Position of the next byte in buffer to be read. */
protected int pos = 0;
/* The length of the String buffer. */
protected int count;
public StringBufferInputStream(String s)
{
buffer = s;
count = s.length();
}
public int available()
{
return count - pos;
}
public int read()
{
if (pos >= count)
return -1; // EOF
return ((int) buffer.charAt(pos++)) & 0xFF;
}
public int read(byte[] b, int off, int len)
{
if (off < 0 || len < 0 || off + len > b.length)
throw new ArrayIndexOutOfBoundsException();
if (pos >= count)
return -1; // EOF
int numRead = Math.min(len, count - pos);
if (numRead < 0)
return 0;
buffer.getBytes(pos, pos + numRead, b, off);
pos += numRead;
return numRead;
}
public void reset()
{
pos = 0;
}
public long skip(long n)
{
if (n < 0)
return 0L;
long actualSkip = Math.min(n, count - pos);
pos += actualSkip;
return actualSkip;
}
}
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