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Diffstat (limited to 'libjava/java/io/SequenceInputStream.java')
-rw-r--r-- | libjava/java/io/SequenceInputStream.java | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/libjava/java/io/SequenceInputStream.java b/libjava/java/io/SequenceInputStream.java deleted file mode 100644 index e6c79f3fc10..00000000000 --- a/libjava/java/io/SequenceInputStream.java +++ /dev/null @@ -1,110 +0,0 @@ -/* 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; - -import java.util.Enumeration; - -/** - * @author Warren Levy <warrenl@cygnus.com> - * @date November 3, 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 SequenceInputStream extends InputStream -{ - /* The handle for the current input stream. */ - private InputStream in; - - /* Secondary input stream; not used if constructed w/ enumeration. */ - private InputStream in2; - - /* The enum handle; not used if constructed w/ 2 explicit input streams. */ - private Enumeration enum; - - public SequenceInputStream(Enumeration e) - { - enum = e; - in = (InputStream) enum.nextElement(); - in2 = null; - } - - public SequenceInputStream(InputStream s1, InputStream s2) - { - in = s1; - in2 = s2; - } - - public int available() throws IOException - { - if (in == null) - return 0; - - return in.available(); - } - - public void close() throws IOException - { - while (in != null) - { - in.close(); - in = getNextStream (); - } - } - - public int read() throws IOException - { - int ch = -1; - - while (in != null && (ch = in.read()) < 0) - { - in.close(); - in = getNextStream(); - } - - return ch; - } - - public int read(byte[] b, int off, int len) throws IOException - { - int ch = -1; - - // The validity of the parameters will be checked by in.read so - // don't bother doing it here. - while (in != null && (ch = in.read(b, off, len)) < 0) - { - in.close(); - in = getNextStream(); - } - - return ch; - } - - private InputStream getNextStream() - { - InputStream nextIn = null; - - if (enum != null) - { - if (enum.hasMoreElements()) - nextIn = (InputStream) enum.nextElement(); - } - else - if (in2 != null) - { - nextIn = in2; - in2 = null; - } - - return nextIn; - } -} |