/** Returns the file used for backup the specified file in the edit command. */
public static File getEditBackupFile(File file) {
return new File(file.getParent(), "CVS/Base/" + file.getName()); // NOI18N
}
/** Create file CVS/Baserev with entries like BEntry.java/1.2/ */
private void addBaserevEntry(ClientServices clientServices, File file) throws IOException {
final Entry entry = clientServices.getEntry(file);
if (entry == null
|| entry.getRevision() == null
|| entry.isNewUserFile()
|| entry.isUserFileToBeRemoved()) {
throw new IllegalArgumentException(
"File does not have an Entry or Entry is invalid!"); // NOI18N
}
File baserevFile = new File(file.getParentFile(), "CVS/Baserev"); // NOI18N
File backupFile = new File(baserevFile.getAbsolutePath() + '~');
BufferedReader reader = null;
BufferedWriter writer = null;
boolean append = true;
boolean writeFailed = true;
final String entryStart = 'B' + file.getName() + '/';
try {
writer = new BufferedWriter(new FileWriter(backupFile));
writeFailed = false;
reader = new BufferedReader(new FileReader(baserevFile));
for (String line = reader.readLine(); line != null; line = reader.readLine()) {
if (line.startsWith(entryStart)) {
append = false;
}
writeFailed = true;
writer.write(line);
writer.newLine();
writeFailed = false;
}
} catch (IOException ex) {
if (writeFailed) {
throw ex;
}
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException ex) {
// ignore
}
}
if (writer != null) {
try {
if (append && !writeFailed) {
writer.write(entryStart + entry.getRevision() + '/');
writer.newLine();
}
} finally {
try {
writer.close();
} catch (IOException ex) {
// ignore
}
}
}
}
baserevFile.delete();
backupFile.renameTo(baserevFile);
}