Example usage for org.apache.hadoop.util StringUtils split

Introduction

In this page you can find the example usage for org.apache.hadoop.util StringUtils split.

Prototype

public static String[] split(String str, char separator) 

Source Link

Document

Split a string using the given separator, with no escaping performed.

Usage

From source file:com.aliyun.odps.volume.VolumeFSUtil.java

License:Apache License

/**
 * Whether the pathname is valid. Currently prohibits relative paths, names which contain a ":" or
 * "//", or other non-canonical paths.//  w w  w  .ja v a2  s  . c  o  m
 */
public static boolean isValidName(String src) {
    if (src == null)
        return false;

    // Path must be absolute.
    if (!src.startsWith(Path.SEPARATOR)) {
        return false;
    }

    // Check for "~" ".." "." ":" "/"
    String[] components = StringUtils.split(src, '/');
    for (int i = 0; i < components.length; i++) {
        String element = components[i];
        if (element.equals("~") || element.equals(".") || element.equals("..") || (element.indexOf(":") >= 0)
                || (element.indexOf("/") >= 0) || (element.indexOf("\\") >= 0)
                || (element.indexOf("\0") >= 0)) {
            return false;
        }
        // The string may start or end with a /, but not have
        // "//" in the middle.
        if (element.isEmpty() && i != components.length - 1 && i != 0) {
            return false;
        }
    }
    return true;
}

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From source file:com.antsdb.saltedfish.nosql.HumpbackMetaMain.java

License:Open Source License

private boolean findTableByName(String value) throws Exception {
    String[] words = StringUtils.split(value, '.');
    if (words.length != 2) {
        return false;
    }/*from w ww  . j  av a2 s  .  co  m*/
    String ns = words[0].toLowerCase();
    String table = words[1].toLowerCase();
    for (SysMetaRow i : this.getHumpbackReadOnly().getTablesMeta()) {
        if (!ns.equals(i.getNamespace().toLowerCase())) {
            continue;
        }
        if (!table.equals(i.getTableName().toLowerCase())) {
            continue;
        }
        println(i);
        return true;
    }
    return false;
}

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From source file:com.antsdb.saltedfish.sql.meta.ColumnMeta.java

License:Open Source License

public Map<String, Integer> getEnumValueMap() {
    String values = getEnumValues();
    if (values == null) {
        return null;
    }/*from  w  w  w. j  av  a2  s. c  om*/
    Map<String, Integer> map = new HashMap<>();
    int j = 1;
    for (String i : StringUtils.split(values, ',')) {
        i = i.substring(1, i.length() - 1);
        map.put(i, j);
        j++;
    }
    return map;
}

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From source file:com.datatorrent.demos.yahoofinance.StockTickInput.java

License:Open Source License

public void setTickers(String tickers) {
    this.tickers = tickers;
    symbols = StringUtils.split(tickers, ',');
}

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From source file:org.apache.phoenix.queryserver.server.QueryServer.java

License:Apache License

@Override
public int run(String[] args) throws Exception {
    logProcessInfo(getConf());/*from   ww  w.j  a va  2  s .co  m*/
    final boolean loadBalancerEnabled = getConf().getBoolean(
            QueryServices.PHOENIX_QUERY_SERVER_LOADBALANCER_ENABLED,
            QueryServicesOptions.DEFAULT_PHOENIX_QUERY_SERVER_LOADBALANCER_ENABLED);
    try {
        final boolean isKerberos = "kerberos"
                .equalsIgnoreCase(getConf().get(QueryServices.QUERY_SERVER_HBASE_SECURITY_CONF_ATTRIB));
        final boolean disableSpnego = getConf().getBoolean(
                QueryServices.QUERY_SERVER_SPNEGO_AUTH_DISABLED_ATTRIB,
                QueryServicesOptions.DEFAULT_QUERY_SERVER_SPNEGO_AUTH_DISABLED);
        String hostname;
        final boolean disableLogin = getConf().getBoolean(QueryServices.QUERY_SERVER_DISABLE_KERBEROS_LOGIN,
                QueryServicesOptions.DEFAULT_QUERY_SERVER_DISABLE_KERBEROS_LOGIN);

        // handle secure cluster credentials
        if (isKerberos && !disableSpnego && !disableLogin) {
            hostname = Strings.domainNamePointerToHostName(DNS.getDefaultHost(
                    getConf().get(QueryServices.QUERY_SERVER_DNS_INTERFACE_ATTRIB, "default"),
                    getConf().get(QueryServices.QUERY_SERVER_DNS_NAMESERVER_ATTRIB, "default")));
            if (LOG.isDebugEnabled()) {
                LOG.debug("Login to " + hostname + " using "
                        + getConf().get(QueryServices.QUERY_SERVER_KEYTAB_FILENAME_ATTRIB) + " and principal "
                        + getConf().get(QueryServices.QUERY_SERVER_KERBEROS_PRINCIPAL_ATTRIB) + ".");
            }
            SecurityUtil.login(getConf(), QueryServices.QUERY_SERVER_KEYTAB_FILENAME_ATTRIB,
                    QueryServices.QUERY_SERVER_KERBEROS_PRINCIPAL_ATTRIB, hostname);
            LOG.info("Login successful.");
        } else {
            hostname = InetAddress.getLocalHost().getHostName();
            LOG.info(" Kerberos is off and hostname is : " + hostname);
        }

        Class<? extends PhoenixMetaFactory> factoryClass = getConf().getClass(
                QueryServices.QUERY_SERVER_META_FACTORY_ATTRIB, PhoenixMetaFactoryImpl.class,
                PhoenixMetaFactory.class);
        int port = getConf().getInt(QueryServices.QUERY_SERVER_HTTP_PORT_ATTRIB,
                QueryServicesOptions.DEFAULT_QUERY_SERVER_HTTP_PORT);
        LOG.debug("Listening on port " + port);
        PhoenixMetaFactory factory = factoryClass.getDeclaredConstructor(Configuration.class)
                .newInstance(getConf());
        Meta meta = factory.create(Arrays.asList(args));
        Service service = new LocalService(meta);

        // Start building the Avatica HttpServer
        final HttpServer.Builder builder = new HttpServer.Builder().withPort(port).withHandler(service,
                getSerialization(getConf()));

        // Enable SPNEGO and Impersonation when using Kerberos
        if (isKerberos) {
            UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
            LOG.debug("Current user is " + ugi);
            if (!ugi.hasKerberosCredentials()) {
                ugi = UserGroupInformation.getLoginUser();
                LOG.debug("Current user does not have Kerberos credentials, using instead " + ugi);
            }

            // Make sure the proxyuser configuration is up to date
            ProxyUsers.refreshSuperUserGroupsConfiguration(getConf());

            String keytabPath = getConf().get(QueryServices.QUERY_SERVER_KEYTAB_FILENAME_ATTRIB);
            File keytab = new File(keytabPath);

            String realmsString = getConf().get(QueryServices.QUERY_SERVER_KERBEROS_ALLOWED_REALMS, null);
            String[] additionalAllowedRealms = null;
            if (null != realmsString) {
                additionalAllowedRealms = StringUtils.split(realmsString, ',');
            }

            // Enable SPNEGO and impersonation (through standard Hadoop configuration means)
            builder.withSpnego(ugi.getUserName(), additionalAllowedRealms).withAutomaticLogin(keytab)
                    .withImpersonation(new PhoenixDoAsCallback(ugi, getConf()));

        }
        setRemoteUserExtractorIfNecessary(builder, getConf());

        // Build and start the HttpServer
        server = builder.build();
        server.start();
        if (loadBalancerEnabled) {
            registerToServiceProvider(hostname);
        }
        runningLatch.countDown();
        server.join();
        return 0;
    } catch (Throwable t) {
        LOG.fatal("Unrecoverable service error. Shutting down.", t);
        this.t = t;
        return -1;
    } finally {
        if (loadBalancerEnabled) {
            unRegister();
        }
    }
}

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