public File createDist(WrapperConfiguration configuration) throws Exception {
final URI distributionUrl = configuration.getDistribution();
final PathAssembler.LocalDistribution localDistribution =
pathAssembler.getDistribution(configuration);
final File distDir = localDistribution.getDistributionDir();
final File localZipFile = localDistribution.getZipFile();
return exclusiveFileAccessManager.access(
localZipFile,
new Callable<File>() {
public File call() throws Exception {
final File markerFile =
new File(localZipFile.getParentFile(), localZipFile.getName() + ".ok");
if (distDir.isDirectory() && markerFile.isFile()) {
return getDistributionRoot(distDir, distDir.getAbsolutePath());
}
boolean needsDownload = !localZipFile.isFile();
if (needsDownload) {
File tmpZipFile =
new File(localZipFile.getParentFile(), localZipFile.getName() + ".part");
tmpZipFile.delete();
System.out.println("Downloading " + distributionUrl);
download.download(distributionUrl, tmpZipFile);
tmpZipFile.renameTo(localZipFile);
}
List<File> topLevelDirs = listDirs(distDir);
for (File dir : topLevelDirs) {
System.out.println("Deleting directory " + dir.getAbsolutePath());
deleteDir(dir);
}
System.out.println(
"Unzipping " + localZipFile.getAbsolutePath() + " to " + distDir.getAbsolutePath());
unzip(localZipFile, distDir);
File root = getDistributionRoot(distDir, distributionUrl.toString());
setExecutablePermissions(root);
markerFile.createNewFile();
return root;
}
});
}