private String getWebUrl(String containerPath) throws Exception {
if (curator.get().checkExists().forPath(containerPath) != null) {
byte[] bytes = ZkPath.loadURL(curator.get(), containerPath);
String text = new String(bytes);
// NOTE this is a bit naughty, we should probably be doing
// Jackson parsing here; but we only need 1 String and
// this avoids the jackson runtime dependency - its just a bit brittle
// only finding http endpoints and all
String prefix = "\"services\":[\"";
int idx = text.indexOf(prefix);
String answer = text;
if (idx > 0) {
int startIndex = idx + prefix.length();
int endIdx = text.indexOf("\"]", startIndex);
if (endIdx > 0) {
answer = text.substring(startIndex, endIdx);
if (answer.length() > 0) {
// lets expand any variables
answer = ZooKeeperUtils.getSubstitutedData(curator.get(), answer);
return answer;
}
}
}
}
return null;
}
protected void expandPropertyResolvers(ServiceDTO dto) throws URISyntaxException {
List<String> services = dto.getServices();
List<String> newList = new ArrayList<String>(services.size());
for (String service : services) {
String expanded = ZooKeeperUtils.getSubstitutedData(curator, service);
newList.add(expanded);
}
dto.setServices(newList);
}