X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Ftodesbaum%2Futil%2Fio%2FLineInputStream.java;fp=src%2Fmain%2Fjava%2Fde%2Ftodesbaum%2Futil%2Fio%2FLineInputStream.java;h=4fe0d078ead94ae07fe2f687ace3b27461c38465;hb=38bdc433e50669e8244a63b5af59e597f88f1d29;hp=0000000000000000000000000000000000000000;hpb=f14b9fbe6d88e23920b10a75ebeba4d38390301b;p=jSite.git diff --git a/src/main/java/de/todesbaum/util/io/LineInputStream.java b/src/main/java/de/todesbaum/util/io/LineInputStream.java new file mode 100644 index 0000000..4fe0d07 --- /dev/null +++ b/src/main/java/de/todesbaum/util/io/LineInputStream.java @@ -0,0 +1,63 @@ +/* + * jSite - LineInputStream.java - Copyright © 2006–2012 David Roden + * + * This program 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 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +package de.todesbaum.util.io; + +import java.io.FilterInputStream; +import java.io.IOException; +import java.io.InputStream; + + +/** + * @author David Roden <droden@gmail.com> + * @version $Id$ + */ +public class LineInputStream extends FilterInputStream { + + private boolean skipLinefeed = false; + private StringBuffer lineBuffer = new StringBuffer(); + + /** + * @param in + */ + public LineInputStream(InputStream in) { + super(in); + } + + public synchronized String readLine() throws IOException { + lineBuffer.setLength(0); + int c = 0; + while (c != -1) { + c = read(); + if ((c == -1) && lineBuffer.length() == 0) + return null; + if (skipLinefeed && (c == '\n')) { + skipLinefeed = false; + continue; + } + skipLinefeed = (c == '\r'); + if ((c == '\r') || (c == '\n')) { + c = -1; + } else { + lineBuffer.append((char) c); + } + } + return lineBuffer.toString(); + } + +}