List of usage examples for org.apache.zookeeper.common PathUtils validatePath
public static void validatePath(String path) throws IllegalArgumentException
From source file:com.boundary.zoocreeper.ZooKeeperPathOptionHandler.java
License:Apache License
@Override public int parseArguments(Parameters params) throws CmdLineException { String param = params.getParameter(0); try {// w w w . j a va2 s .c om PathUtils.validatePath(param); setter.addValue(param); return 1; } catch (IllegalArgumentException e) { throw new CmdLineException(owner, String.format("\"%s\" is not a valid value for \"%s\"", param, params.getParameter(-1))); } }
From source file:com.comcast.viper.flume2storm.zookeeper.ZkUtilies.java
License:Apache License
/** * Builds a valid (guaranteed) ZNode path made of the components passed in * parameter. This method handles the path separator between component, so it * can be called with or without them.// w w w . j ava2 s . com * * @param components * A bunch of ZNode path elements. Some may be null. * @return The concatenated path of all the elements * @throws IllegalArgumentException * if the path is invalid (empty for example) */ public static String buildZkPath(final String... components) { Preconditions.checkArgument(components != null, "No path element specified"); boolean isFirst = true; final StringBuilder result = new StringBuilder(); for (int i = 0; i < components.length; i++) { if (StringUtils.isEmpty(components[i])) { continue; } assert components[i] != null; // Checking path separator if (isFirst) { // First element must start with / if (!components[i].startsWith(SEPARATOR)) { result.append(SEPARATOR); } result.append(components[i]); } else { if (!SEPARATOR_CHAR.equals(result.charAt(result.length() - 1)) && !components[i].startsWith(SEPARATOR)) { result.append(SEPARATOR); result.append(components[i]); } else if (SEPARATOR_CHAR.equals(result.charAt(result.length() - 1)) && components[i].startsWith(SEPARATOR)) { result.append(components[i].substring(1)); } else { result.append(components[i]); } } isFirst = false; } final String path = result.toString(); PathUtils.validatePath(path); return path; }
From source file:com.netflix.curator.framework.imps.NamespaceImpl.java
License:Apache License
NamespaceImpl(CuratorFrameworkImpl client, String namespace) {
if (namespace != null) {
try {/*from w w w. j a v a2s . c o m*/
PathUtils.validatePath("/" + namespace);
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException("Invalid namespace: " + namespace);
}
}
this.client = client;
this.namespace = namespace;
ensurePath = (namespace != null) ? new EnsurePath(ZKPaths.makePath("/", namespace)) : null;
}
From source file:com.netflix.curator.framework.recipes.locks.LockInternals.java
License:Apache License
LockInternals(CuratorFramework client, LockInternalsDriver driver, String path, String lockName,
int maxLeases) {
this.driver = driver;
this.lockName = lockName;
this.maxLeases = maxLeases;
PathUtils.validatePath(path);
this.client = client;
this.basePath = path;
this.path = ZKPaths.makePath(path, lockName);
}
From source file:com.netflix.curator.utils.ZKPaths.java
License:Apache License
/** * Given a full path, return the node name. i.e. "/one/two/three" will return "three" * /*from w ww .ja v a 2 s . c o m*/ * @param path the path * @return the node */ public static String getNodeFromPath(String path) { PathUtils.validatePath(path); int i = path.lastIndexOf('/'); if (i < 0) { return path; } if ((i + 1) >= path.length()) { return ""; } return path.substring(i + 1); }
From source file:com.netflix.curator.utils.ZKPaths.java
License:Apache License
/** * Given a full path, return the node name and its path. i.e. "/one/two/three" will return {"/one/two", "three"} * * @param path the path/*from w ww. ja v a2 s . c o m*/ * @return the node */ public static PathAndNode getPathAndNode(String path) { PathUtils.validatePath(path); int i = path.lastIndexOf('/'); if (i < 0) { return new PathAndNode(path, ""); } if ((i + 1) >= path.length()) { return new PathAndNode("/", ""); } String node = path.substring(i + 1); String parentPath = (i > 0) ? path.substring(0, i) : "/"; return new PathAndNode(parentPath, node); }
From source file:com.netflix.curator.utils.ZKPaths.java
License:Apache License
/** * Make sure all the nodes in the path are created. NOTE: Unlike File.mkdirs(), Zookeeper doesn't distinguish * between directories and files. So, every node in the path is created. The data for each node is an empty blob * * @param zookeeper the client//from w ww . ja va 2 s . c om * @param path path to ensure * @param makeLastNode if true, all nodes are created. If false, only the parent nodes are created * @throws InterruptedException thread interruption * @throws org.apache.zookeeper.KeeperException * Zookeeper errors */ public static void mkdirs(ZooKeeper zookeeper, String path, boolean makeLastNode) throws InterruptedException, KeeperException { PathUtils.validatePath(path); int pos = 1; // skip first slash, root is guaranteed to exist do { pos = path.indexOf('/', pos + 1); if (pos == -1) { if (makeLastNode) { pos = path.length(); } else { break; } } String subPath = path.substring(0, pos); if (zookeeper.exists(subPath, false) == null) { try { zookeeper.create(subPath, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); } catch (KeeperException.NodeExistsException e) { // ignore... someone else has created it since we checked } } } while (pos < path.length()); }
From source file:com.netflix.exhibitor.standalone.ExhibitorCreator.java
License:Apache License
private ConfigProvider getZookeeperProvider(CommandLine commandLine, String useHostname, Properties defaultProperties) throws Exception { String connectString = commandLine.getOptionValue(ZOOKEEPER_CONFIG_INITIAL_CONNECT_STRING); String path = commandLine.getOptionValue(ZOOKEEPER_CONFIG_BASE_PATH); String retrySpec = commandLine.getOptionValue(ZOOKEEPER_CONFIG_RETRY, DEFAULT_ZOOKEEPER_CONFIG_RETRY); if ((path == null) || (connectString == null)) { log.error("Both " + ZOOKEEPER_CONFIG_INITIAL_CONNECT_STRING + " and " + ZOOKEEPER_CONFIG_BASE_PATH + " are required when the configtype is zookeeper"); return null; }/*from w w w .j av a 2 s.com*/ try { PathUtils.validatePath(path); } catch (IllegalArgumentException e) { log.error("Invalid " + ZOOKEEPER_CONFIG_BASE_PATH + ": " + path); return null; } String[] retryParts = retrySpec.split("\\:"); if (retryParts.length != 2) { log.error("Bad " + ZOOKEEPER_CONFIG_RETRY + " value: " + retrySpec); return null; } int baseSleepTimeMs; int maxRetries; try { baseSleepTimeMs = Integer.parseInt(retryParts[0]); maxRetries = Integer.parseInt(retryParts[1]); } catch (NumberFormatException e) { log.error("Bad " + ZOOKEEPER_CONFIG_RETRY + " value: " + retrySpec); return null; } int exhibitorPort; try { exhibitorPort = commandLine.hasOption(ZOOKEEPER_CONFIG_EXHIBITOR_PORT) ? Integer.parseInt(commandLine.getOptionValue(ZOOKEEPER_CONFIG_EXHIBITOR_PORT)) : 0; } catch (NumberFormatException e) { log.error("Bad " + ZOOKEEPER_CONFIG_EXHIBITOR_PORT + " value: " + commandLine.getOptionValue(ZOOKEEPER_CONFIG_EXHIBITOR_PORT)); return null; } int pollingMs; try { pollingMs = Integer.parseInt( commandLine.getOptionValue(ZOOKEEPER_CONFIG_POLLING, DEFAULT_ZOOKEEPER_CONFIG_POLLING)); } catch (NumberFormatException e) { log.error("Bad " + ZOOKEEPER_CONFIG_POLLING + " value: " + commandLine.getOptionValue(ZOOKEEPER_CONFIG_POLLING, DEFAULT_ZOOKEEPER_CONFIG_POLLING)); return null; } String exhibitorRestPath = commandLine.getOptionValue(ZOOKEEPER_CONFIG_EXHIBITOR_URI_PATH, DEFAULT_ZOOKEEPER_CONFIG_EXHIBITOR_URI_PATH); CuratorFramework client = makeCurator(connectString, baseSleepTimeMs, maxRetries, exhibitorPort, exhibitorRestPath, pollingMs); if (client == null) { return null; } client.start(); closeables.add(client); return new ZookeeperConfigProvider(client, path, defaultProperties, useHostname); }
From source file:com.proofpoint.zookeeper.ZookeeperUtils.java
License:Apache License
/** * Make sure all the nodes in the path are created. NOTE: Unlike File.mkdirs(), Zookeeper doesn't distinguish * between directories and files. So, every node in the path is created. The data for each node is an empty blob * * @param zookeeper the client//from www . j a va 2s . co m * @param path path to ensure * @throws InterruptedException thread interruption * @throws org.apache.zookeeper.KeeperException Zookeeper errors */ public static void mkdirs(ZooKeeper zookeeper, String path) throws InterruptedException, KeeperException { PathUtils.validatePath(path); int pos = 1; // skip first slash, root is guaranteed to exist do { pos = path.indexOf('/', pos + 1); if (pos == -1) { pos = path.length(); } String subPath = path.substring(0, pos); if (zookeeper.exists(subPath, false) == null) { try { zookeeper.create(subPath, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); } catch (KeeperException.NodeExistsException e) { // ignore... someone else has created it since we checked } } } while (pos < path.length()); }
From source file:com.spotify.helios.servicescommon.coordination.PathFactory.java
License:Apache License
public PathFactory(final String base, final String... parts) { final String joined = join(base, parts); this.base = joined.startsWith("/") ? joined : "/" + joined; PathUtils.validatePath(base); }