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

Introduction

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

Prototype

public static boolean isEmpty(String str)

Source Link

Document

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

Usage

From source file:controllers.BBProxy.java

public static F.Promise<Result> index(String query) {

    if (StringUtils.isEmpty(query)) {

        F.Promise.promise(new F.Function0<Object>() {
            @Override//  w ww .  j  ava2  s . c  om
            public Object apply() throws Throwable {
                return ok(Json.toJson("Query parameter (q) not provided "));
            }

        });
    }

    F.Promise<WSResponse> wsResponsePromise = WS.url("http://www.bloomberg.com/search")
            .setQueryParameter("query", query).get();

    return wsResponsePromise.map(new F.Function<WSResponse, Result>() {
        @Override
        public Result apply(WSResponse wsResponse) throws Throwable {

            String body = wsResponse.getBody();

            List<Map<String, String>> ret = new ArrayList<Map<String, String>>();

            try {
                // Insert into map
                org.jsoup.nodes.Document doc = Jsoup.parse(body);
                Elements items = doc.getElementsByClass("search-result");

                for (Element item : items) {
                    Map<String, String> keyValue = new LinkedHashMap<String, String>();

                    keyValue.put("image",
                            item.getElementsByClass("search-result-story__thumbnail__image").attr("src"));
                    keyValue.put("title", item.getElementsByClass("search-result-story__headline").text());

                    int index = item.getElementsByClass("search-result-story__body").text()
                            .indexOf(" (Source: Bloomberg");

                    if (index == -1) {
                        keyValue.put("content", item.getElementsByClass("search-result-story__body").text());
                    } else {
                        keyValue.put("content", item.getElementsByClass("search-result-story__body").text()
                                .substring(0, index));
                    }

                    keyValue.put("date", item.getElementsByClass("published-at").text());
                    keyValue.put("url", "www.bloomberg.com/"
                            + item.getElementsByClass("search-result-story__thumbnail__link").attr("href"));

                    ret.add(keyValue);
                }

            } catch (DOMException e) {
                e.printStackTrace();
            }

            return ok(Json.toJson(ret));
        }
    });
}

From source file:com.cloudera.nav.plugin.model.HdfsIdGenerator.java

public static String generateHdfsEntityId(String sourceId, String fileSystemPath) {
    Preconditions.checkArgument(!StringUtils.isEmpty(sourceId) && !StringUtils.isEmpty(fileSystemPath),
            "SourceId and fileSystemPath " + "must be supplied to generate HDFS entity identity");
    return MD5IdGenerator.generateIdentity(sourceId, fileSystemPath);
}

From source file:com.nec.harvest.util.StringUtil.java

/**
 * Change a number to string and format it with style by user define
 * //from w ww.  j  a  v  a  2 s .  c  o m
 * @param fill
 *            Character to fill up
 * @param total
 *            Length of string return
 * @param number
 *            Number to convert
 * @return String return
 */
public static <T> String numberToStringWithUserFillUp(String fill, int total, T number) {
    if (StringUtils.isEmpty(fill)) {
        throw new IllegalArgumentException("Number to string fill character must not be null or empty");
    }

    // nts mean that number to string
    String nts = String.valueOf(number);
    int fillUp = total - nts.length();
    if (fillUp > 0) {
        nts = StringUtils.repeat(fill, fillUp) + nts;
    }
    return nts;
}

From source file:com.cloudera.nav.sdk.model.CustomIdGenerator.java

public static String generateIdentity(String... args) {
    for (String s : args) {
        Preconditions.checkArgument(!StringUtils.isEmpty(s), "An identity component must not be null or empty");
    }// ww  w  .  j  a v a 2  s. co m
    return MD5IdGenerator.generateIdentity(args);
}

From source file:com.cy.dctms.common.util.ValidateUtil.java

/**
 * ? ????571-88175786?// www .j  a  v a  2s . com
 * @return false:?; true:?
 * */
public static boolean validatePhone(String telephone) {
    if (StringUtils.isEmpty(telephone)) {
        return false;
    }
    Pattern pattern = Pattern.compile("^((0\\d{2,3})-)(\\d{7,8})(-(\\d{3,}))?$");
    Matcher macher = pattern.matcher(telephone);
    return macher.matches();
}

From source file:com.liferay.maven.plugins.util.Validator.java

public static boolean isNull(String s) {
    return StringUtils.isEmpty(s);
}

From source file:com.zb.app.external.wechat.cons.WeixinMsgType.java

public static WeixinMsgType getMsgType(String value) {
    if (StringUtils.isEmpty(value)) {
        return null;
    }/*from  w  ww  . j a  v  a  2  s  . c  o m*/
    for (WeixinMsgType type : values()) {
        if (type.name().equals(value)) {
            return type;
        }
    }
    return null;
}

From source file:cognition.common.utils.ArrayUtil.java

public static boolean isStringArrayEmpty(String[] array) {
    if (array == null)
        return true;

    for (String a : array) {
        if (!StringUtils.isEmpty(a)) {
            return false;
        }/*  w ww .j  av a2 s  .co  m*/
    }
    return true;
}

From source file:com.infullmobile.jenkins.plugin.restrictedregister.security.hudson.form.RequiredFieldsChecker.java

public static void checkRequiredFields(JSONObject payload, IFormField... requiredFields)
        throws RegistrationException {
    final List<IFormField> emptyFields = new ArrayList<>();
    for (IFormField field : requiredFields) {
        if (!payload.has(field.getFieldName())
                || StringUtils.isEmpty(payload.getString(field.getFieldName()))) {
            emptyFields.add(field);/*from  w w  w  .ja  va  2  s . c o  m*/
        }
    }
    if (!emptyFields.isEmpty()) {
        throw new RegistrationException("One or more field is empty.",
                emptyFields.toArray(new IFormField[emptyFields.size()]));
    }
}

From source file:controllers.NWProxy.java

public static F.Promise<Result> index(String query) {

    if (StringUtils.isEmpty(query)) {

        F.Promise.promise(new F.Function0<Object>() {
            @Override//w  w w. ja v a 2s . c o m
            public Object apply() throws Throwable {
                return ok(Json.toJson("Query parameter (q) not provided "));
            }

        });
    }

    final String officialUrl = "http://www.newsweek.com";

    F.Promise<WSResponse> wsResponsePromise = WS.url(officialUrl + "/search/site/" + query).get();

    return wsResponsePromise.map(new F.Function<WSResponse, Result>() {
        @Override
        public Result apply(WSResponse wsResponse) throws Throwable {

            String body = wsResponse.getBody();

            List<Map<String, String>> results = new ArrayList<Map<String, String>>();

            try {

                // Insert into map
                org.jsoup.nodes.Document doc = Jsoup.parse(body);
                Elements items = doc.select("li.search-result"); // All articles belong to this class

                for (Element item : items) {
                    Map<String, String> keyValue = new LinkedHashMap<String, String>();

                    keyValue.put("image", item.select("img").attr("src"));
                    keyValue.put("title", item.select("h2").select("a").text());
                    keyValue.put("content", item.select("div.article-summary").first().text());

                    // Get date from each article separately
                    org.jsoup.nodes.Document articleDoc = RedirectionHandler(
                            officialUrl + item.select("a").attr("href"));

                    keyValue.put("date", articleDoc.select("span.timedate").text());
                    keyValue.put("url", officialUrl + item.select("a").attr("href"));

                    results.add(keyValue);
                }
            } catch (DOMException e) {
                e.printStackTrace();
            }

            return ok(Json.toJson(results));
        }
    });
}