private void readClustersXml() throws SAXException, IOException { if (clustersUri.getScheme().equals("file")) { File file = new File(clustersUri); if (file.exists()) { Document doc = builder.parse(file); clusters = new ClustersXMLSerializer(builder).read(doc); clusters.setTimestamp(file.lastModified()); } } }
private void updateMyInfo() throws TransformerException, IOException, SAXException { Clusters.Cluster cluster = clusters.getCluster(config.get(ClusterSettings.cluster_name)); if (cluster == null) { clusters .getClusters() .add(cluster = new Clusters.Cluster(config.get(ClusterSettings.cluster_name))); } if (cluster.contains(serverId)) { // Do nothing } else { // Add myself to list cluster .getMembers() .add( new Clusters.Member( serverId.getHost() + (serverId.getPort() == -1 ? "" : ":" + serverId.getPort()))); Document document = new ClustersXMLSerializer(builder).write(clusters); // Save new version if (clustersUri.getScheme().equals("file")) { File clustersFile = new File(clustersUri); if (clustersFile.lastModified() != clusters.getTimestamp()) { readClustersXml(); // Re-read XML file updateMyInfo(); // Try again return; } // Save new version transformer.transform(new DOMSource(document), new StreamResult(clustersFile)); clusters.setTimestamp(clustersFile.lastModified()); } else { // TODO Implement HTTP version } } }