Example usage for org.apache.commons.lang3 StringUtils isEmpty

List of usage examples for org.apache.commons.lang3 StringUtils isEmpty

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Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils isEmpty.

Prototype

public static boolean isEmpty(final CharSequence cs)

Source Link

Document

Checks if a CharSequence is empty ("") or null.

 StringUtils.isEmpty(null)      = true StringUtils.isEmpty("")        = true StringUtils.isEmpty(" ")       = false StringUtils.isEmpty("bob")     = false StringUtils.isEmpty("  bob  ") = false

NOTE: This method changed in Lang version 2.0.

Usage

From source file:com.adguard.android.filtering.api.HttpServiceClient.java

/**
 * Posts request with specified parameters to url.
 *
 * @param uploadUrl URL to send POST request to
 * @param data      POST body//from w w  w.j  av a  2s. c  om
 * @return Response string
 * @throws IOException
 */
protected static String postData(String uploadUrl, String data) throws IOException {
    LOG.debug("Sending HTTP POST request to {}. Length={}", uploadUrl, StringUtils.length(data));

    final String response = UrlUtils.postRequest(new URL(uploadUrl), data, "utf-8",
            "application/x-www-form-urlencoded", true, READ_TIMEOUT, CONNECTION_TIMEOUT);
    if (StringUtils.isEmpty(response)) {
        LOG.error("Response for {} is empty", uploadUrl);
        throw new IOException("Response is empty.");
    }

    LOG.debug("Got response: {}", response);
    return response;
}

From source file:com.epam.dlab.auth.rest.UserSessionDurationAuthorizer.java

@Override
public boolean authorize(UserInfo principal, String role) {
    if (SHORT_USER_SESSION_DURATION.equalsIgnoreCase(role)) {
        try {/*from ww  w .  jav  a  2s .c o m*/
            String refreshToken = principal.getKeys().get("refresh_token");
            String createdDateOfRefreshToken = principal.getKeys().get("created_date_of_refresh_token");

            if (StringUtils.isEmpty(refreshToken)) {
                log.info("Refresh token is empty for user {}", principal.getName());
                return false;
            }

            if (StringUtils.isEmpty(createdDateOfRefreshToken)) {
                log.info("Created date for refresh token is empty for user {}", principal.getName());
                return false;
            }

            log.debug("refresh token requested {} and current date is {}",
                    new Date(Long.valueOf(createdDateOfRefreshToken)), new Date());

            long passedTime = System.currentTimeMillis() - Long.valueOf(createdDateOfRefreshToken);

            log.info("Passed time of session for user {} is {} milliseconds", principal.getName(), passedTime);
            if (passedTime > maxSessionDurabilityMilliseconds) {

                silentCallbackExecution(principal);

                log.info("Re-login required for user {}", principal.getName());
                return false;
            }

            return true;
        } catch (RuntimeException e) {
            log.error("Cannot verify durability of session for user {}", principal.getName(), e);
            return false;
        }

    }

    return true;
}

From source file:jp.mathes.databaseWiki.wiki.DbwLinkPlugin.java

@Override
@SuppressWarnings("unchecked")
public void process(final Document doc, final String fieldname, final String user, final String password,
        final Backend backend) {
    Field<String> field = doc.getAllFields().get(fieldname);
    String renderedText = field.getValue();
    Matcher matcher = DbwLinkPlugin.REGEX.matcher(renderedText);
    while (matcher.find()) {
        String path = "";
        String prefix = ".";
        String description = matcher.group(4);
        if (StringUtils.isEmpty(matcher.group(1))) {
            if (StringUtils.isEmpty(matcher.group(2))) {
                path = matcher.group(3);
                prefix = "..";
            } else {
                path = String.format("%s/%s", matcher.group(2), matcher.group(3));
                prefix = "../..";
            }/* ww  w . j a v a 2  s.  co m*/
        } else {
            path = String.format("%s/%s/%s", matcher.group(1), matcher.group(2), matcher.group(3));
            prefix = "../../..";
        }
        renderedText = renderedText.replace(matcher.group(0), String.format("<a href=\"%s/%s/view\">%s</a>",
                prefix, path, StringUtils.isEmpty(description) ? path : description));
    }
    field.setValue(renderedText);
}

From source file:com.micromux.cassandra.jdbc.CollectionsTest.java

/**
 * @throws java.lang.Exception//from   w w w  . j av a2  s .c om
 */
@BeforeClass
public static void setUpBeforeClass() throws Exception {
    // configure OPTIONS
    if (!StringUtils.isEmpty(TRUST_STORE)) {
        OPTIONS = String.format("trustStore=%s&trustPass=%s", URLEncoder.encode(TRUST_STORE), TRUST_PASS);
    }

    Class.forName("com.micromux.cassandra.jdbc.CassandraDriver");
    String URL = String.format("jdbc:cassandra://%s:%d/%s?%s&version=%s", HOST, PORT, SYSTEM, OPTIONS, CQLV3);

    con = DriverManager.getConnection(URL);

    if (LOG.isDebugEnabled())
        LOG.debug("URL         = '{}'", URL);

    Statement stmt = con.createStatement();

    // Use Keyspace
    String useKS = String.format("USE %s;", KEYSPACE);

    // Drop Keyspace
    String dropKS = String.format("DROP KEYSPACE %s;", KEYSPACE);

    try {
        stmt.execute(dropKS);
    } catch (Exception e) {
        /* Exception on DROP is OK */}

    // Create KeySpace
    String createKS = String.format(
            "CREATE KEYSPACE %s WITH replication = { 'class' : 'SimpleStrategy',  'replication_factor' : 1  };",
            KEYSPACE);
    //        String createKS = String.format("CREATE KEYSPACE %s WITH strategy_class = SimpleStrategy AND strategy_options:replication_factor = 1;",KEYSPACE);
    if (LOG.isDebugEnabled())
        LOG.debug("createKS    = '{}'", createKS);

    stmt = con.createStatement();
    stmt.execute("USE " + SYSTEM);
    stmt.execute(createKS);
    stmt.execute(useKS);

    // Create the target Table (CF)
    String createTable = "CREATE TABLE testcollection (" + " k int PRIMARY KEY," + " L list<bigint>,"
            + " M map<double, boolean>, M2 map<text, timestamp>, S set<text>" + ") ;";
    if (LOG.isDebugEnabled())
        LOG.debug("createTable = '{}'", createTable);

    stmt.execute(createTable);
    stmt.close();
    con.close();

    // open it up again to see the new TABLE
    URL = String.format("jdbc:cassandra://%s:%d/%s?%s&version=%s", HOST, PORT, KEYSPACE, OPTIONS, CQLV3);
    con = DriverManager.getConnection(URL);
    if (LOG.isDebugEnabled())
        LOG.debug("URL         = '{}'", URL);

    Statement statement = con.createStatement();

    String insert = "INSERT INTO testcollection (k,L) VALUES( 1,[1, 3, 12345]);";
    statement.executeUpdate(insert);
    String update1 = "UPDATE testcollection SET S = {'red', 'white', 'blue'} WHERE k = 1;";
    String update2 = "UPDATE testcollection SET M = {2.0: true, 4.0: false, 6.0 : true} WHERE k = 1;";
    statement.executeUpdate(update1);
    statement.executeUpdate(update2);

    if (LOG.isDebugEnabled())
        LOG.debug("Unit Test: 'CollectionsTest' initialization complete.\n\n");
}

From source file:com.webbfontaine.valuewebb.search.ShippingLinesFinder.java

public List getResultList() {
    if (StringUtils.isEmpty(rimmCriteria.getActiveFor())) {
        return emptyResultList;
    }/*from   w  w w  .j  a  v  a 2  s .com*/

    if (resultList != null) {
        return resultList;
    }
    select();
    return resultList;
}

From source file:in.bookmylab.controllers.Bookings.java

@Action
@Authorize//  w  ww .j av a 2s . c o m
public void getBooking() throws IOException {
    try {
        String bid = getRequestParameter("bid");
        String lab = getRequestParameter("lab");
        Object booking = null;
        if (!StringUtils.isEmpty(bid) && !StringUtils.isEmpty(lab)) {
            Long bookingId = Long.parseLong(bid);
            if (ResourceType.sem.name().equalsIgnoreCase(lab)) {
                // TODO
            } else if (ResourceType.spm.name().equalsIgnoreCase(lab)) {
                booking = JpaDAO.getInstance().getSpmByBookingId(bookingId);
                if (!canCurrentUserView(((SpmLabBooking) booking).booking)) {
                    throw new AppException("Cannot access the requested booking!");
                }
            } else if (ResourceType.xrd.name().equalsIgnoreCase(lab)) {
                booking = JpaDAO.getInstance().getXrdByBookingId(bookingId);
                if (!canCurrentUserView(((XrdLabBooking) booking).booking)) {
                    throw new AppException("Cannot access the requested booking!");
                }
            } else if (ResourceType.other.name().equalsIgnoreCase(lab)) {
                // TODO
            } else {
                throw new IllegalArgumentException("Invalid resource type: " + lab);
            }
        }
        sendJsonResponse(Status.OK, booking);
    } catch (Exception e) {
        handleActionError(e);
    }
}

From source file:com.gdo.project.util.StclUtils.java

public static <S extends _PStencil<StclContext, S>> String expand(StclContext stclContext, String text,
        _PStencil<StclContext, S> plugged) {
    if (_pattern == null)
        return text;

    // decode /*from w w  w  . j  a v  a 2 s . c  om*/
    String str = text.replaceAll("%A3", "");

    // name found then no extension
    PatternMatcher matcher = new Perl5Matcher();
    PatternMatcherInput input = new PatternMatcherInput(str);
    if (!matcher.contains(input, _pattern))
        return str;

    // extends all name
    StringBuffer res = new StringBuffer();
    MatchResult match;
    do {
        match = matcher.getMatch();
        res.append(match.group(1));
        String path = match.group(3);
        if (!StringUtils.isEmpty(path)) {
            res.append("<$stencil path=\"").append(path).append("\" mode=\"label\"/>");
        }
        input = new PatternMatcherInput(match.group(5));
    } while (matcher.contains(input, _pattern));
    return res.append(match.group(5)).toString();
}

From source file:de.micromata.genome.gwiki.web.tags.GWikiTagRenderUtils.java

public static void renderAttribute(Object tag, Pair<Field, ? extends Annotation> p, StringBuilder sb) {
    Object value = PrivateBeanUtils.readField(tag, p.getFirst());
    if (value == null) {
        return;//from  w  ww  .  j  ava2 s. c om
    }

    if (sb.length() > 0) {
        sb.append(" ");
    }
    ElementProperty an = (ElementProperty) p.getSecond();
    String svalue = value.toString();
    if (an.ignoreValue().length() > 0 && an.ignoreValue().equals(svalue) == true) {
        return;
    }
    String name = an.name();
    if (StringUtils.isEmpty(name) == true) {
        name = p.getFirst().getName();
    }
    sb.append(name).append("=").append("\"").append(StringEscapeUtils.escapeXml(ObjectUtils.toString(value)))
            .append("\"");
}

From source file:com.reversemind.hypergate.server.HyperGateServerAdvertiser.java

/**
 * @param builder//w w  w  .ja  va 2  s  .  c o  m
 */
public HyperGateServerAdvertiser(ServerFactory.Builder builder) {
    super(builder);

    if (StringUtils.isEmpty(builder.getZookeeperHosts())) {
        throw new RuntimeException("Need zookeeper connection string");
    }
    this.zookeeperHosts = builder.getZookeeperHosts();

    if (StringUtils.isEmpty(builder.getServiceBasePath())) {
        throw new RuntimeException("Need zookeeper base path string");
    }
    this.serviceBasePath = builder.getServiceBasePath();

    this.metadata = new ServerMetadata(this.getName(), this.getInstanceName(), this.getHost(), this.getPort(),
            this.metrics);

    this.useMetrics = builder.isUseMetrics();
    if (builder.isUseMetrics()) {

        this.periodPublishMetrics = builder.getPeriodPublishMetrics();

        LOG.debug("builder.getPeriodPublishMetrics() == " + builder.getPeriodPublishMetrics());
        if (builder.getPeriodPublishMetrics() < 0) {
            this.periodPublishMetrics = 1000; //ms
        }

        LOG.debug("this.periodPublishMetrics == " + this.periodPublishMetrics);

        this.metricsUpdateTask = new MetricsUpdateTask();
        this.timer = new Timer();
        this.timer.schedule(this.metricsUpdateTask, this.periodPublishMetrics, this.periodPublishMetrics);
    }

}