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Diffstat (limited to 'libjava/gnu/java/net/CRLFInputStream.java')
| -rw-r--r-- | libjava/gnu/java/net/CRLFInputStream.java | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/libjava/gnu/java/net/CRLFInputStream.java b/libjava/gnu/java/net/CRLFInputStream.java deleted file mode 100644 index d0f9e8c4130..00000000000 --- a/libjava/gnu/java/net/CRLFInputStream.java +++ /dev/null @@ -1,174 +0,0 @@ -/* CRLFInputStream.java -- - Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.net; - -import java.io.BufferedInputStream; -import java.io.FilterInputStream; -import java.io.IOException; -import java.io.InputStream; - -/** - * An input stream that filters out CR/LF pairs into LFs. - * - * @author Chris Burdess (dog@gnu.org) - */ -public class CRLFInputStream - extends FilterInputStream -{ - /** - * The CR octet. - */ - public static final int CR = 13; - - /** - * The LF octet. - */ - public static final int LF = 10; - - private boolean doReset; - - /** - * Constructs a CR/LF input stream connected to the specified input - * stream. - */ - public CRLFInputStream(InputStream in) - { - super(in.markSupported() ? in : new BufferedInputStream(in)); - } - - /** - * Reads the next byte of data from this input stream. - * Returns -1 if the end of the stream has been reached. - * @exception IOException if an I/O error occurs - */ - public int read() - throws IOException - { - int c = in.read(); - if (c == CR) - { - in.mark(1); - int d = in.read(); - if (d == LF) - { - c = d; - } - else - { - in.reset(); - } - } - return c; - } - - /** - * Reads up to b.length bytes of data from this input stream into - * an array of bytes. - * Returns -1 if the end of the stream has been reached. - * @exception IOException if an I/O error occurs - */ - public int read(byte[] b) - throws IOException - { - return read(b, 0, b.length); - } - - /** - * Reads up to len bytes of data from this input stream into an - * array of bytes, starting at the specified offset. - * Returns -1 if the end of the stream has been reached. - * @exception IOException if an I/O error occurs - */ - public int read(byte[] b, int off, int len) - throws IOException - { - in.mark(len + 1); - int l = in.read(b, off, len); - if (l > 0) - { - int i = indexOfCRLF(b, off, l); - if (doReset) - { - in.reset(); - if (i != -1) - { - l = in.read(b, off, i + 1); // read to CR - in.read(); // skip LF - b[i] = LF; // fix CR as LF - } - else - { - l = in.read(b, off, len); // CR(s) but no LF - } - } - } - return l; - } - - private int indexOfCRLF(byte[] b, int off, int len) - throws IOException - { - doReset = false; - int lm1 = len - 1; - for (int i = off; i < len; i++) - { - if (b[i] == CR) - { - int d; - if (i == lm1) - { - d = in.read(); - doReset = true; - } - else - { - d = b[i + 1]; - } - if (d == LF) - { - doReset = true; - return i; - } - } - } - return -1; - } - -} - |