Example usage for com.google.common.base Strings isNullOrEmpty

Introduction

In this page you can find the example usage for com.google.common.base Strings isNullOrEmpty.

Prototype

public static boolean isNullOrEmpty(@Nullable String string)

Source Link

Document

Returns true if the given string is null or is the empty string.

Usage

From source file:com.mobogenie.framework.spring.LogGenerator.java

public static Map<String, String> next(HttpServletRequest request) {
    Map<String, String> map = Maps.newLinkedHashMap();
    map.put("uri", request.getRequestURI());
    map.put("timestamp", System.currentTimeMillis() + "");
    StringBuilder sb = new StringBuilder();
    Map<String, String> paramMap = request.getParameterMap();
    Set<String> keys = paramMap.keySet();
    for (String paramName : keys) {
        String paramValue = request.getParameter(paramName).trim();
        if (!Strings.isNullOrEmpty(paramValue)) {
            sb.append(paramName + ":" + paramValue + ",");
        }/*w w  w .  ja v  a 2s. c o m*/
    }
    String valueString = sb.toString();
    valueString = valueString.replaceAll(",$", "");
    map.put("params", "[" + valueString + "]");
    map.put("clientId", IpAddressUtil.getIpAddr(request));
    HttpSession session = request.getSession(false);
    if (session != null) {
        map.put("session", session.getId());
    }
    return map;
}

From source file:com.quartz.web.util.RequestUtil.java

/**
 * ?/*www  .  j a  v a 2s. c  o  m*/
 *
 * @param request
 * @param paramName
 * @return
 */
public static <T> T validateParam(HttpServletRequest request, String paramName,
        ResponseMessage responseMessage) {
    String param = request.getParameter(paramName);
    if (!Strings.isNullOrEmpty(param)) {
        return (T) param;
    }
    responseMessage.setStatus(300);
    responseMessage.setMessage("param [" + paramName + "] is empty");
    throw new ParameterException("param [" + paramName + "] is empty");
}

From source file:com.google.gcloud.datastore.Validator.java

static String validateDatabase(String projectId) {
    checkArgument(!Strings.isNullOrEmpty(projectId), "projectId can't be empty or null");
    checkArgument(PROJECT_ID_PATTERN.matcher(projectId).matches(),
            "projectId must match the following pattern: " + PROJECT_ID_PATTERN.pattern());
    return projectId;
}

From source file:org.onehippo.intellij.groovy.config.metadata.Location.java

public static Location locationForName(final String name) {
    if (Strings.isNullOrEmpty(name)) {
        return REGISTRY;
    }//  w w  w.j  a  v  a 2s . c  o  m
    if (name.equalsIgnoreCase(HISTORY.getName())) {
        return HISTORY;
    } else if (name.equalsIgnoreCase(QUEUE.getName())) {
        return QUEUE;
    }
    return REGISTRY;
}

From source file:com.dssmp.watch.util.TemplateUtil.java

/**
 * ??/*from w  w  w  . j a v  a2  s  .  c  om*/
 *
 * @param content
 * @return
 */
public static String replaceTemplate(String content, MetricRecord metricRecord, Alarm alarm) {
    if (!Strings.isNullOrEmpty(content)) {
        //??
        content = content.replace(METRICNAME, metricRecord.getMetricname());
        content = content.replace(VALUE, String.valueOf(metricRecord.getMvalue()));
        content = content.replace(ALARMNAME, alarm.getName());

        return content;
    }
    return null;
}

From source file:com.magnet.yak.functional.GlobalConfig.java

public static synchronized Configuration getConfiguration(String name) {
    if (configuration == null) {
        String config = System.getProperty(YAK_CONFIG);
        if (Strings.isNullOrEmpty(config)) {
            LOGGER.error("getConfiguration : Launching Yak : config file : {}", config);
            System.exit(0);/*from  w ww. j av  a2  s  .co  m*/
        }
        LOGGER.info("getConfiguration : Launching Yak : config file : {}", System.getProperty(YAK_CONFIG));
        configuration = ConfigParser.getByName(config, name);
        LOGGER.trace("getConfiguration : config={}", configuration);
    }
    return configuration;
}

From source file:com.hubrick.raml.mojo.util.JavaNames.java

public static String toJavaName(String string) {
    checkArgument(!Strings.isNullOrEmpty(string), "Input string cannot be null or empty");
    final String[] elements = string.split("(?i:[^a-z0-9]+)");
    return stream(spliterator(elements), false).map(indexed())
            .map(element -> element.index() > 0 ? StringUtils.capitalize(element.value()) : element.value())
            .collect(Collectors.joining());
}

From source file:tv.icntv.log.stb.commons.StringsUtils.java

public static String getEncodeingStr(String str) {
    if (!Strings.isNullOrEmpty(str)) {
        str = str.replace("%", "%25");
        str = str.replace("|", "%7C");
    }/*from ww  w  .j  ava  2  s . com*/
    return str;
}

From source file:com.olacabs.fabric.common.util.PropertyReader.java

public static Boolean readBoolean(Properties properties, Properties globalProperties, final String propertyName,
        Boolean defaultValue) {//from  w  w  w  .ja va  2  s  .  c om
    String repr = null;
    if (null != properties) {
        repr = properties.getProperty(propertyName);
    }
    if (Strings.isNullOrEmpty(repr)) {
        if (null != globalProperties) {
            repr = globalProperties.getProperty(propertyName);
        }
        if (Strings.isNullOrEmpty(repr)) {
            return defaultValue;
        }
    }
    return Boolean.parseBoolean(repr);
}

From source file:org.apache.kylin.metrics.lib.impl.TimePropertyEnum.java

public static TimePropertyEnum getByPropertyName(String propertyName) {
    if (Strings.isNullOrEmpty(propertyName)) {
        return null;
    }//from w ww .j a  va2s . c o m
    for (TimePropertyEnum property : TimePropertyEnum.values()) {
        if (property.propertyName.equals(propertyName.toUpperCase())) {
            return property;
        }
    }
    return null;
}