Example usage for org.apache.hadoop.registry.client.api RegistryConstants PATH_USERS

Introduction

In this page you can find the example usage for org.apache.hadoop.registry.client.api RegistryConstants PATH_USERS.

Prototype

String PATH_USERS

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Document

path to users off the root: .

Usage

From source file:org.apache.slider.client.ClientRegistryBinder.java

License:Apache License

/**
 * Buld the user path -switches to the system path if the user is "".
 * It also cross-converts the username to ascii via punycode
 * @param username username or ""// w  w  w.  j a  va2s.  c om
 * @return the path to the user
 */
public static String homePathForUser(String username) {
    Preconditions.checkArgument(username != null, "null user");

    // catch recursion
    if (username.startsWith(RegistryConstants.PATH_USERS)) {
        return username;
    }

    if (username.isEmpty()) {
        return RegistryConstants.PATH_SYSTEM_SERVICES;
    }

    // convert username to registry name
    String convertedName = convertUsername(username);

    return RegistryPathUtils.join(RegistryConstants.PATH_USERS, encodeForRegistry(convertedName));
}

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From source file:org.apache.slider.client.ClientRegistryBinder.java

License:Apache License

/**
 * Qualify a user./*from  w  ww.  j  av a  2 s .  c om*/
 * <ol>
 *   <li> <code>"~"</code> maps to user home path home</li>
 *   <li> <code>"~user"</code> maps to <code>/users/$user</code></li>
 *   <li> <code>"/"</code> maps to <code>/services/</code></li>
 * </ol>
 * @param user the username
 * @return the base path
 */
public static String qualifyUser(String user) {
    // qualify the user
    String t = user.trim();
    if (t.startsWith("/")) {
        // already resolved
        return t;
    } else if (t.equals("~")) {
        // self
        return currentUsernameUnencoded();
    } else if (t.startsWith("~")) {
        // another user
        // convert username to registry name
        String convertedName = convertUsername(t.substring(1));

        return RegistryPathUtils.join(RegistryConstants.PATH_USERS, encodeForRegistry(convertedName));
    } else {
        return "/" + t;
    }
}

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