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AppleCommander
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Added support for writing most fields; moved file types to a property 

file to facilitate both getting the file type and setting the file type 
using a lookup table.
This commit is contained in:
Robert Greene 2003-01-11 22:07:30 +00:00
parent 5bc83c05f2
commit 8d4f4fa762
1 changed files with 176 additions and 115 deletions
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291
src/com/webcodepro/applecommander/storage/ProdosFileEntry.java
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@ -19,11 +19,14 @@
*/
package com.webcodepro.applecommander.storage;
import java.io.IOException;
import java.io.InputStream;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Properties;
/**
* Represents a ProDOS file entry on disk.
@ -32,16 +35,60 @@ import java.util.List;
* @author: Rob Greene
*/
public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
private static ProdosFileType[] fileTypes;
private List files;
private ProdosSubdirectoryHeader subdirectoryHeader;
/**
* This class holds filetype mappings.
*/
private class ProdosFileType {
private byte type;
private String string;
public ProdosFileType(byte type, String string) {
this.type = type;
this.string = string;
}
public byte getType() {
return type;
}
public String getString() {
return string;
}
}
/**
* Constructor for ProdosFileEntry.
*/
public ProdosFileEntry(ProdosFormatDisk disk, int block, int offset) {
super(disk, block, offset);
initialize();
}
/**
* Initialize all file types.
*/
protected void initialize() {
if (fileTypes != null) return;
fileTypes = new ProdosFileType[256];
InputStream inputStream =
getClass().getResourceAsStream("ProdosFileTypes.properties");
Properties properties = new Properties();
try {
properties.load(inputStream);
for (int i=0; i<256; i++) {
String byt = AppleUtil.getFormattedByte(i).toLowerCase();
String string = (String) properties.get("filetype." + byt);
if (string == null || string.length() == 0) {
string = "$" + byt.toUpperCase();
}
fileTypes[i] = new ProdosFileType((byte)i, string);
}
} catch (IOException ignored) {
}
}
/**
* Return the name of this file.
* This handles normal files, deleted files, and AppleWorks files - which use
@ -92,124 +139,54 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
return fileName;
}
/**
* Set the name of this file.
*/
public void setFilename(String filename) {
byte[] fileEntry = readFileEntry();
if (isDeleted()) {
AppleUtil.setString(fileEntry, 1, filename.toUpperCase(), 15);
} else {
AppleUtil.setProdosString(fileEntry, 0, filename.toUpperCase(), 15);
}
if (isAppleWorksFile()) {
byte lowByte = 0;
byte highByte = 0;
for (int i=0; i<filename.length(); i++) {
if (Character.isLowerCase(filename.charAt(i))) {
if (i < 8) {
lowByte = AppleUtil.setBit(lowByte, 7-i);
} else if (i < 16) {
highByte = AppleUtil.setBit(highByte, 7-(i%8));
}
}
}
setAuxiliaryType(fileEntry, lowByte, highByte);
}
writeFileEntry(fileEntry);
}
/**
* Return the filetype of this file. This will be three characters,
* according to ProDOS - a "$xx" if unknown.
* <p>
* This could be improved should specific information regarding file types
* be needed; the file type could become a separate object which works with
* the file in some manner.
* <p>
* Note: Source of information is the following url -
* http://www.apple2.org.za/gswv/gsezine/GS.WorldView/ProDOS.File.Types.v2.0.txt
*/
public String getFiletype() {
int filetype = AppleUtil.getUnsignedByte(readFileEntry()[0x10]);
switch (filetype) {
case 0x00: return "UNK";
case 0x01: return "BAD";
case 0x02: return "PCD";
case 0x03: return "PTX";
case 0x04: return "TXT";
case 0x05: return "PDA";
case 0x06: return "BIN";
case 0x07: return "FNT";
case 0x08: return "FOT";
case 0x09: return "BA3";
case 0x0a: return "DA3";
case 0x0b: return "WPF";
case 0x0c: return "SOS";
case 0x0f: return "DIR";
case 0x10: return "RPD";
case 0x11: return "RPI";
case 0x12: return "AFD";
case 0x13: return "AFM";
case 0x14: return "AFR";
case 0x15: return "SCL";
case 0x16: return "PFS";
case 0x19: return "ADB"; // AppleWorks: AUX TYPE indicates UPPER/lower case
case 0x1a: return "AWP"; // AppleWorks: AUX TYPE indicates UPPER/lower case
case 0x1b: return "ASP"; // AppleWorks: AUX TYPE indicates UPPER/lower case
case 0x20: return "TDM";
case 0x21: return "IPS";
case 0x22: return "UPV";
case 0x29: return "3SD";
case 0x2a: return "8SC";
case 0x2b: return "8OB";
case 0x2c: return "8IC";
case 0x2d: return "8LD";
case 0x2e: return "P8C"; // P8C or PTP, depending on AUX TYPE
case 0x41: return "OCR";
case 0x42: return "FTD";
case 0x50: return "GWP";
case 0x51: return "GSS";
case 0x52: return "GDB";
case 0x53: return "DRW";
case 0x54: return "GDP";
case 0x55: return "HMD";
case 0x56: return "EDU";
case 0x57: return "STN";
case 0x58: return "HLP";
case 0x59: return "COM";
case 0x5a: return "CFG"; // CFG or PTP, depending on AUX TYPE
case 0x5b: return "ANM";
case 0x5c: return "MUM";
case 0x5d: return "ENT";
case 0x5e: return "DVU";
case 0x60: return "PRE";
case 0x6b: return "BIO";
case 0x6d: return "DVR"; // DVR/TDR
case 0x6e: return "PRE";
case 0x6f: return "HDV"; // PC Volume
case 0xa0: return "WP_";
case 0xab: return "GSB";
case 0xac: return "TDF";
case 0xad: return "BDF";
case 0xb0: return "SRC";
case 0xb1: return "OBJ";
case 0xb2: return "LIB";
case 0xb3: return "S16";
case 0xb4: return "RTL";
case 0xb5: return "EXE";
case 0xb6: return "STR"; // STR/PIF
case 0xb7: return "TSF"; // TSF/TIF
case 0xb8: return "NDA";
case 0xb9: return "CDA";
case 0xba: return "TOL";
case 0xbb: return "DRV"; // DRV/DVR
case 0xbc: return "LDF";
case 0xbd: return "FST";
case 0xbf: return "DOC";
case 0xc0: return "PNT";
case 0xc1: return "PIC";
case 0xc2: return "ANI";
case 0xc3: return "PAL";
case 0xc5: return "OOG";
case 0xc6: return "SCR";
case 0xc7: return "CDV";
case 0xc8: return "FON";
case 0xc9: return "FND";
case 0xca: return "ICN";
case 0xd5: return "MUS";
case 0xd6: return "INS";
case 0xd7: return "MDI";
case 0xd8: return "SND";
case 0xdb: return "DBM";
case 0xe0: return "SHK";
case 0xe2: return "DTS"; // DTS/ATK
case 0xee: return "R16";
case 0xef: return "PAS";
case 0xf0: return "CMD";
// Left $F1 - $F8 alone as these are user-defined types
case 0xf9: return "P16";
case 0xfa: return "INT";
case 0xfb: return "IVR";
case 0xfc: return "BAS";
case 0xfd: return "VAR";
case 0xfe: return "REL";
case 0xff: return "SYS";
default :
return "$" + AppleUtil.getFormattedByte(filetype);
ProdosFileType prodostype = fileTypes[filetype];
return prodostype.getString();
}
/**
* Set the filetype.
*/
public void setFiletype(String filetype) {
for (int i=0; i<fileTypes.length; i++) {
if (filetype.equalsIgnoreCase(fileTypes[i].getString())) {
byte[] entry = readFileEntry();
entry[0x10] = fileTypes[i].getType();
writeFileEntry(entry);
return;
}
}
}
@ -229,6 +206,16 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
public int getKeyPointer() {
return AppleUtil.getWordValue(readFileEntry(), 0x11);
}
/**
* Set the key pointer. This is either the data block (seedling),
* index block (sapling), or master index block (tree).
*/
public void setKeyPointer(int keyPointer) {
byte[] entry = readFileEntry();
AppleUtil.setWordValue(entry, 0x11, keyPointer);
writeFileEntry(entry);
}
/**
* Get the number of blocks used.
@ -236,6 +223,15 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
public int getBlocksUsed() {
return AppleUtil.getWordValue(readFileEntry(), 0x13);
}
/**
* Set the number of blocks used.
*/
public void setBlocksUsed(int blocksUsed) {
byte[] entry = readFileEntry();
AppleUtil.setWordValue(entry, 0x13, blocksUsed);
writeFileEntry(entry);
}
/**
* Get the EOF position. This can indicate the length of a file.
@ -243,7 +239,15 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
public int getEofPosition() {
return AppleUtil.get3ByteValue(readFileEntry(), 0x15);
}
/**
* Set the EOF position.
*/
public void setEofPosition(int eofPosition) {
byte[] entry = readFileEntry();
AppleUtil.set3ByteValue(entry, 0x15, eofPosition);
writeFileEntry(entry);
}
/**
* Get the auxiliary type for this file.
@ -252,10 +256,19 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
* BAS - load address for program image.
* VAR - address of compressed variables image.
* SYS - load address for system program (usually 0x2000).
* AWP/ADB/ASP - upper/lowercase flags
*/
public int getAuxiliaryType() {
return AppleUtil.getWordValue(readFileEntry(), 0x1f);
}
/**
* Set the auxiliary type for this file.
*/
public void setAuxiliaryType(byte[] entry, byte low, byte high) {
entry[0x1f] = low;
entry[0x20] = high;
}
/**
* Get the last modification date.
@ -263,6 +276,15 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
public Date getLastModificationDate() {
return AppleUtil.getProdosDate(readFileEntry(), 0x21);
}
/**
* Set the last modification date.
*/
public void setLastModificationDate(Date date) {
byte[] entry = readFileEntry();
AppleUtil.setProdosDate(entry, 0x21, date);
writeFileEntry(entry);
}
/**
* Get the block number of the key block for the directory which describes this file.
@ -278,6 +300,15 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
return !canDestroy() && !canRename() && !canWrite();
}
/**
* Set the lock indicator.
*/
public void setLocked(boolean lock) {
setCanDestroy(lock);
setCanRename(lock);
setCanWrite(lock);
}
/**
* Compute the size of this file (in bytes).
*/
@ -317,6 +348,14 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
return getStorageType() == 0;
}
/**
* Delete the file.
*/
public void delete() {
getDisk().freeBlocks(this);
setStorageType(0);
}
/**
* Set the subdirectory header.
*/
@ -393,7 +432,7 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
&& getAuxiliaryType() > 0) {
list.add("A=$" + AppleUtil.getFormattedWord(getAuxiliaryType()));
} else {
list.add("");
list.add("$" + AppleUtil.getFormattedWord(getAuxiliaryType()));
}
list.add(AppleUtil.getFormattedWord(getHeaderPointer()));
list.add(AppleUtil.getFormattedWord(getKeyPointer()));
@ -422,6 +461,16 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
return getDisk().getFileData(this);
}
/**
* Set the file data. This is essentially the save operation.
* Specifically, if the filetype is binary, the length and
* address need to be set. If the filetype is applesoft or
* integer basic, the start address needs to be set.
*/
public void setFileData(byte[] data) throws DiskFullException {
getDisk().setFileData(this, data);
}
/**
* Get the suggested FileFilter. This appears to be operating system
* specific, so each operating system needs to implement some manner
@ -436,6 +485,18 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
return new ApplesoftFileFilter();
} else if ("INT".equals(getFiletype())) { // supposedly not available in ProDOS, however
return new IntegerBasicFileFilter();
} else if ("PNT".equals(getFiletype())) {
if (getAuxiliaryType() == 0x0001) {
GraphicsFileFilter filter = new GraphicsFileFilter();
filter.setMode(GraphicsFileFilter.MODE_SHR);
return filter;
}
} else if ("PIC".equals(getFiletype())) {
if (getAuxiliaryType() == 0x0000) {
GraphicsFileFilter filter = new GraphicsFileFilter();
filter.setMode(GraphicsFileFilter.MODE_SHR);
return filter;
}
} else if ("BIN".equals(getFiletype())) {
int size = getSize();
// the minimum size is guessed a bit - I don't remember, but maybe there