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

55 lines
2.7 KiB
Java

package io.github.applecommander.acx.fileutil;
import java.util.Date;
import java.util.Optional;
import com.webcodepro.applecommander.storage.FileEntry;
import com.webcodepro.applecommander.storage.os.dos33.DosFileEntry;
import com.webcodepro.applecommander.storage.os.nakedos.NakedosFileEntry;
import com.webcodepro.applecommander.storage.os.pascal.PascalFileEntry;
import com.webcodepro.applecommander.storage.os.prodos.ProdosFileEntry;
import com.webcodepro.applecommander.storage.os.rdos.RdosFileEntry;
public interface FileEntryReader {
// FileEntry common
public default Optional<String> getFilename() { return Optional.empty(); }
public default Optional<String> getProdosFiletype() { return Optional.empty(); }
public default Optional<Boolean> isLocked() { return Optional.empty(); }
public default Optional<byte[]> getFileData() { return Optional.empty(); }
public default Optional<byte[]> getResourceData() { return Optional.empty(); }
/**
* The address embedded in binary objects.
* This varies by DOS's so is split apart.
*/
public default Optional<Integer> getBinaryAddress() { return Optional.empty(); }
/**
* The length embedded in binary, Applesoft, Integer BASIC objects.
* This varies by DOS's so is split apart.
*/
public default Optional<Integer> getBinaryLength() { return Optional.empty(); }
// ProdosFileEntry specific
public default Optional<Integer> getAuxiliaryType() { return Optional.empty(); }
public default Optional<Date> getCreationDate() { return Optional.empty(); }
// ProdosFileEntry / PascalFileEntry specific
public default Optional<Date> getLastModificationDate() { return Optional.empty(); }
public static FileEntryReader get(FileEntry fileEntry) {
if (fileEntry instanceof DosFileEntry) {
return new DosFileEntryReaderWriter((DosFileEntry)fileEntry);
}
else if (fileEntry instanceof NakedosFileEntry) {
return new NakedosFileEntryReader((NakedosFileEntry)fileEntry);
}
else if (fileEntry instanceof PascalFileEntry) {
return new PascalFileEntryReaderWriter((PascalFileEntry)fileEntry);
}
else if (fileEntry instanceof ProdosFileEntry) {
return new ProdosFileEntryReaderWriter((ProdosFileEntry)fileEntry);
}
else if (fileEntry instanceof RdosFileEntry) {
return new RdosFileEntryReader((RdosFileEntry)fileEntry);
}
throw new RuntimeException(String.format("No reader for %s", fileEntry.getClass().getName()));
}
}