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