/**
* Obtains the installation by reading the classpath of the running JVM to determine the location
* of the jars and determine the installation root.
*
* @return Installation obtained by reading the classpath
*/
public static Installation getLocal() {
if (local == null) {
// This allows testing of configuration components when the OpenDJ.jar
// in the classpath does not necessarily point to the server's
String installRoot = System.getProperty("org.opends.quicksetup.Root");
String instanceRoot = System.getProperty("org.opends.quicksetup.instance");
if (installRoot == null) {
installRoot = Utils.getInstallPathFromClasspath();
}
if (instanceRoot == null) {
instanceRoot = Utils.getInstancePathFromInstallPath(installRoot);
}
local = new Installation(installRoot, instanceRoot);
}
return local;
}
/**
* Creates a new directory in the history directory appropriate for backing up an installation
* during an upgrade.
*
* @return File representing a new backup directory. The directory can be assumed to exist if this
* method returns cleanly.
* @throws IOException if an error occurred creating the directory.
*/
public File createHistoryBackupDirectory() throws IOException {
File backupDirectory =
new File(getHistoryDirectory(), Long.toString(System.currentTimeMillis()));
if (backupDirectory.exists()) {
backupDirectory.delete();
}
if (!backupDirectory.mkdirs()) {
throw new IOException("failed to create history backup directory");
}
return backupDirectory;
}