AppleCommander/app/cli-acx/src/main/java/io/github/applecommander/acx/fileutil/DosFileEntryReaderWriter.java

133 lines
4.2 KiB
Java

/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2019-2022 by Robert Greene and others
* robgreene at users.sourceforge.net
*
* 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 io.github.applecommander.acx.fileutil;
import java.util.Map;
import java.util.Optional;
import com.webcodepro.applecommander.storage.DiskFullException;
import com.webcodepro.applecommander.storage.os.dos33.DosFileEntry;
import com.webcodepro.applecommander.storage.os.dos33.DosFormatDisk;
import com.webcodepro.applecommander.util.AppleUtil;
public class DosFileEntryReaderWriter implements FileEntryReader, FileEntryWriter {
private static final Map<String,String> FILE_TYPES;
static {
FILE_TYPES = Map.of(
"T", "TXT",
"I", "INT",
"A", "BAS",
"B", "BIN",
"S", "$F1",
"R", "REL",
"a", "$F2",
"b", "$F3"
);
}
private DosFileEntry fileEntry;
public DosFileEntryReaderWriter(DosFileEntry fileEntry) {
if (fileEntry.isDeleted()) {
throw new RuntimeException("Unable to copy deleted files.");
}
this.fileEntry = fileEntry;
}
@Override
public Optional<String> getFilename() {
return Optional.of(fileEntry.getFilename());
}
@Override
public void setFilename(String filename) {
fileEntry.setFilename(filename);
}
@Override
public Optional<String> getProdosFiletype() {
return Optional.ofNullable(FILE_TYPES.get(fileEntry.getFiletype()));
}
@Override
public void setProdosFiletype(String filetype) {
String dosFileType = FILE_TYPES.entrySet()
.stream()
.filter(e -> e.getValue().equals(filetype))
.map(Map.Entry::getKey)
.findFirst()
.orElse("B");
fileEntry.setFiletype(dosFileType);
}
@Override
public Optional<Boolean> isLocked() {
return Optional.of(fileEntry.isLocked());
}
@Override
public void setLocked(boolean flag) {
fileEntry.setLocked(flag);
}
@Override
public Optional<byte[]> getFileData() {
return Optional.ofNullable(fileEntry.getFileData());
}
@Override
public void setFileData(byte[] data) {
try {
fileEntry.setFileData(data);
} catch (DiskFullException e) {
throw new RuntimeException(e);
}
}
@Override
public Optional<Integer> getBinaryAddress() {
if (fileEntry.isBinaryFile()) {
byte[] rawdata = getRawFileData();
return Optional.of(AppleUtil.getWordValue(rawdata, 0));
}
return Optional.empty();
}
@Override
public void setBinaryAddress(int address) {
if (fileEntry.needsAddress()) {
fileEntry.setAddress(address);
}
}
@Override
public Optional<Integer> getBinaryLength() {
if (fileEntry.isBinaryFile() || fileEntry.isApplesoftBasicFile() || fileEntry.isIntegerBasicFile()) {
// DosFileEntry pulls the address
return Optional.of(fileEntry.getSize());
}
return Optional.empty();
}
@Override
public void setBinaryLength(int length) {
// Nothing to do
}
private byte[] getRawFileData() {
DosFormatDisk disk = (DosFormatDisk) fileEntry.getFormattedDisk();
return disk.getFileData(fileEntry);
}
}