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Changed logic around the file address (binary) to make the API

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not require a specific order.
This commit is contained in:
Robert Greene 2004-06-22 22:18:57 +00:00
parent ec560edc1e
commit b3176b8e08
1 changed files with 21 additions and 3 deletions
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18
src/com/webcodepro/applecommander/storage/os/dos33/DosFileEntry.java
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@ -63,6 +63,11 @@ public class DosFileEntry implements FileEntry {
* Offset into sector of FileEntry location.
*/
private int offset;
/**
* Temporary location to store the DOS address (which is stored with
* the contents of the data file).
*/
private Integer address;
/**
* Constructor for DosFileEntry.
@ -354,11 +359,20 @@ public class DosFileEntry implements FileEntry {
* 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.
*
* Note: The address can be set before the data is saved or
* after the data is saved. This is an attempt to make the
* API more easily usable.
*/
public void setFileData(byte[] data) throws DiskFullException {
if (isBinaryFile()) {
byte[] filedata = new byte[data.length + 4];
if (address != null) {
AppleUtil.setWordValue(filedata, 0, address.intValue());
address = null;
} else {
AppleUtil.setWordValue(filedata, 0, 0); // Needs to be set via setAddress
}
AppleUtil.setWordValue(filedata, 2, data.length);
System.arraycopy(data, 0, filedata, 4, data.length);
disk.setFileData(this, filedata);
@ -472,8 +486,12 @@ public class DosFileEntry implements FileEntry {
public void setAddress(int address) {
try {
byte[] rawdata = disk.getFileData(this);
if (rawdata == null || rawdata.length == 0) {
this.address = new Integer(address);
} else {
AppleUtil.setWordValue(rawdata, 0, address);
disk.setFileData(this, rawdata);
}
} catch (DiskFullException e) {
// Should not be possible when the file isn't being modified!!
throw new IllegalStateException("Unable to set address for DosFileEntry ["