public synchronized void renameInstance(String oldName, String newName) throws Exception {
if (instances.get(newName) != null) {
throw new IllegalArgumentException("Instance " + newName + " already exists");
}
Instance instance = instances.get(oldName);
if (instance == null) {
throw new IllegalArgumentException("Instance " + oldName + " not found");
}
if (instance.isRoot()) {
throw new IllegalArgumentException("You can't rename the root instance");
}
if (instance.getPid() != 0) {
throw new IllegalStateException("Instance not stopped");
}
println(
Ansi.ansi()
.a("Renaming instance ")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(oldName)
.a(Ansi.Attribute.RESET)
.a(" to ")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(newName)
.a(Ansi.Attribute.RESET)
.toString());
// remove the old instance
instances.remove(oldName);
// update instance
instance.setName(newName);
// rename directory
String oldLocationPath = instance.getLocation();
File oldLocation = new File(oldLocationPath);
String basedir = oldLocation.getParent();
File newLocation = new File(basedir, newName);
oldLocation.renameTo(newLocation);
// update the instance location
instance.setLocation(newLocation.getPath());
// create the properties map including the instance name and instance location
HashMap<String, String> props = new HashMap<String, String>();
props.put(oldName, newName);
props.put(oldLocationPath, newLocation.getPath());
// replace all references to the "old" name by the new one in etc/system.properties
// NB: it's replacement to avoid to override the user's changes
filterResource(newLocation, "etc/system.properties", props);
// replace all references to the "old" name by the new one in bin/karaf
filterResource(newLocation, "bin/karaf", props);
filterResource(newLocation, "bin/start", props);
filterResource(newLocation, "bin/stop", props);
filterResource(newLocation, "bin/karaf.bat", props);
filterResource(newLocation, "bin/start.bat", props);
filterResource(newLocation, "bin/stop.bat", props);
// add the renamed instances
instances.put(newName, instance);
// save instance definition in the instances.properties
saveState();
}