/*
* Copyright (c) 1997, 2000, 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.
*
* 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.
*/
/**/
import java.io.*;
public class ABCOutputStream extends OutputStream {
int len;
int count = 0;
char next = ABCInputStream.firstChar();
ABCOutputStream(int len) {
this.len = len;
}
public void write(int c) throws IOException {
if (count >= len)
throw new IOException("Wrote too many characters");
if (c != next)
throw new IOException("Wrong character written: "
+ "Expected '" + next + "', "
+ "got '" + (char)c + "'");
next = ABCInputStream.nextChar(next);
count++;
}
public void write(byte buf[], int off, int len) throws IOException {
for (int i = off; i < off + len; i++)
write(buf[i]);
}
public void close() throws IOException {
if (len == 0)
throw new IOException("Already closed");
else if (count < len)
throw new IOException("Wrote too few characters");
len = 0;
}
}