2002-12-01 02:21:00 +00:00
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/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2002 by Robert Greene
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* robgreene at users.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2004-06-09 03:58:00 +00:00
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package com.webcodepro.applecommander.storage.filters;
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2002-12-01 02:21:00 +00:00
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2003-12-04 04:10:49 +00:00
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import java.io.ByteArrayOutputStream;
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import java.io.PrintWriter;
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2004-06-09 03:58:00 +00:00
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import com.webcodepro.applecommander.storage.FileEntry;
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import com.webcodepro.applecommander.storage.FileFilter;
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2002-12-01 02:21:00 +00:00
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/**
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* Filter the given file data for text.
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* <p>
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* Date created: Nov 2, 2002 9:11:27 PM
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2004-06-18 05:15:33 +00:00
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* @author Rob Greene
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2002-12-01 02:21:00 +00:00
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*/
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public class TextFileFilter implements FileFilter {
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/**
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* Constructor for TextFileFilter.
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*/
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public TextFileFilter() {
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super();
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}
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/**
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2003-12-04 04:10:49 +00:00
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* Process the given FileEntry and return a byte array
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* with filtered data; use PrintWriter to get platform
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* agnostic line endings.
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2002-12-01 02:21:00 +00:00
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*/
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public byte[] filter(FileEntry fileEntry) {
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byte[] fileData = fileEntry.getFileData();
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2003-12-04 04:10:49 +00:00
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int offset = 0;
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ByteArrayOutputStream byteArray = new
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ByteArrayOutputStream(fileData.length);
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PrintWriter printWriter = new PrintWriter(byteArray, true);
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while (offset < fileData.length) {
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char c = (char)(fileData[offset] & 0x7f);
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if (c != 0) {
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if (c == 0x0d) { //Apple line end
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printWriter.println();
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2002-12-01 02:21:00 +00:00
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} else {
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2003-12-04 04:10:49 +00:00
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printWriter.print(c);
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2002-12-01 02:21:00 +00:00
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}
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}
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2003-12-04 04:10:49 +00:00
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offset++;
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2002-12-01 02:21:00 +00:00
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}
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2003-12-04 04:10:49 +00:00
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return byteArray.toByteArray();
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2002-12-01 02:21:00 +00:00
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}
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2003-12-04 04:10:49 +00:00
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2002-12-01 02:21:00 +00:00
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/**
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* Give suggested file name.
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*/
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public String getSuggestedFileName(FileEntry fileEntry) {
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String fileName = fileEntry.getFilename().trim();
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if (!fileName.toLowerCase().endsWith(".txt")) {
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fileName = fileName + ".txt";
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}
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return fileName;
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}
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}
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