/**
* Checks if the JAR file can be overwritten. If the JAR package setting does not allow to
* overwrite the JAR then a dialog will ask the user again.
*
* @param parent the parent for the dialog, or <code>null</code> if no dialog should be presented
* @return <code>true</code> if it is OK to create the JAR
*/
protected boolean canCreateJar(Shell parent) {
File file = fJarPackage.getAbsolutePharLocation().toFile();
if (file.exists()) {
if (!file.canWrite()) return false;
if (fJarPackage.allowOverwrite()) return true;
return parent != null
&& PharUIUtil.askForOverwritePermission(
parent, fJarPackage.getAbsolutePharLocation(), true);
}
// Test if directory exists
String path = file.getAbsolutePath();
int separatorIndex = path.lastIndexOf(File.separator);
if (separatorIndex == -1) // i.e.- default directory, which is fine
return true;
File directory = new File(path.substring(0, separatorIndex));
if (!directory.exists()) {
if (PharUIUtil.askToCreateDirectory(parent, directory)) return directory.mkdirs();
else return false;
}
return true;
}
