Example usage for java.util List isEmpty

Introduction

In this page you can find the example usage for java.util List isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this list contains no elements.

Usage

From source file:Main.java

static public boolean isAppInForeground(Context context) {
    List<ActivityManager.RunningTaskInfo> tasks = ((ActivityManager) context
            .getSystemService(Context.ACTIVITY_SERVICE)).getRunningTasks(1);
    if (tasks.isEmpty()) {
        return false;
    }/*w w w . j  av  a  2s . c  o  m*/
    return tasks.get(0).topActivity.getPackageName().equalsIgnoreCase(context.getPackageName());
}

From source file:com.dattack.dbtools.drules.DrulesClient.java

private static void showTaskList(final List<Identifier> taskList) {

    if (taskList == null || taskList.isEmpty()) {
        System.out.println("There are no tasks available to you yet");
    } else {/*from w  w w .  ja  va  2s.c  o  m*/
        System.out.println("Available tasks:");
        for (int index = 0; index < taskList.size(); index++) {
            System.out.format("  % 3d) %s%n", index + 1, taskList.get(index).getValue());
        }
    }
}

From source file:de.hybris.platform.acceleratorstorefrontcommons.util.MetaSanitizerUtil.java

/**
 * Takes a List of KeywordModels and returns a comma separated list of keywords as String.
 *
 * @param keywords//from   w  ww.j a v  a 2s. co  m
 *           List of KeywordModel objects
 * @deprecated use {@link MetaSanitizerUtil#sanitizeKeywords(Collection)} instead
 * @return String of comma separated keywords
 */
@Deprecated
public static String sanitizeKeywords(final List<KeywordModel> keywords) {
    if (keywords != null && !keywords.isEmpty()) {
        // Remove duplicates
        final Set<String> keywordSet = new HashSet<String>(keywords.size());
        for (final KeywordModel keyword : keywords) {
            keywordSet.add(keyword.getKeyword());
        }

        return sanitizeKeywords(keywordSet);
    }
    return "";
}

From source file:Main.java

public static boolean isServiceRunning(Context context, String className) {
    boolean isRunning = false;
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.RunningServiceInfo> serviceList = activityManager
            .getRunningServices(Integer.MAX_VALUE);
    if (serviceList == null || serviceList.isEmpty())
        return false;
    for (int i = 0; i < serviceList.size(); i++) {
        if (serviceList.get(i).service.getClassName().equals(className)
                && TextUtils.equals(serviceList.get(i).service.getPackageName(), context.getPackageName())) {
            isRunning = true;/*from w  ww.j  a  v  a  2  s.  c om*/
            break;
        }
    }
    return isRunning;
}

From source file:com.diversityarrays.util.ClassPathExtender.java

public static void addDirectoryJarsToClassPath(Consumer<File> jarChecker, List<File> dirs, Log logger) {
    if (!dirs.isEmpty()) {
        addDirectoryJarsToClassPath(logger, jarChecker, dirs.toArray(new File[dirs.size()]));
    }/*from   w  w w  .  j ava2  s.  co m*/
}

From source file:com.cognifide.qa.bb.aem.core.sidepanel.internal.ComponentTreeLocatorHelper.java

private static WebElement setComponent(WebElement component, String container) {
    List<WebElement> elements = component.findElements(By.className("coral3-Tree-item--drilldown"));
    if (!elements.isEmpty()) {
        return elements.get(calculateElementNumber(container));
    }/*from w ww  .  j  a va 2s.c om*/
    return component;
}

From source file:Main.java

/**
 * Parses a var which might be comma delimited, e.g. bla,foo:1000: if 'bla' is set, return its value. Else,
 * if 'foo' is set, return its value, else return "1000"
 * @param var/*  w w  w  .j a v a  2 s .  c  om*/
 * @param default_value
 * @return
 */
private static String _getProperty(String var, String default_value) {
    if (var == null)
        return null;
    List<String> list = parseCommaDelimitedStrings(var);
    if (list == null || list.isEmpty()) {
        list = new ArrayList<String>(1);
        list.add(var);
    }
    String retval = null;
    for (String prop : list) {
        try {
            retval = System.getProperty(prop);
            if (retval != null)
                return retval;
        } catch (Throwable e) {
        }
    }
    return default_value;
}

From source file:de.oth.keycloak.InitKeycloakServer.java

private static void addUsers(RealmResource rRes, List<UserConfig> userList) {
    if (userList == null || userList.isEmpty()) {
        return;//from w  w w.j  a va  2  s . co m
    }
    for (UserConfig userConfig : userList) {
        String login = userConfig.getLogin();
        String firstName = userConfig.getFirstName();
        String lastName = userConfig.getLastName();
        UserResource userRes = KeycloakAccess.getUserFromRealm(rRes, firstName, lastName, login);
        boolean bAdd = false;
        if (userRes == null) {
            userRes = KeycloakAccess.addUserToRealm(rRes, firstName, lastName, login);
            bAdd = true;
        }
        String groupName = userConfig.getUserGroup();
        KeycloakAccess.setGroupForUser(rRes, userRes, userConfig.getUserGroup());
        if (bAdd) {
            KeycloakAccess.setPasswordForUser(rRes, userRes, userConfig.getPassword());
        }
    }
}

From source file:edu.usu.sdl.openstorefront.service.manager.ReportManager.java

public static void init() {
    ServiceProxy serviceProxy = ServiceProxy.getProxy();
    //Restart any pending or working reports
    List<Report> allReports = getInprogessReports();

    if (!allReports.isEmpty()) {
        log.log(Level.INFO, MessageFormat.format(
                "Resuming pending and working reports. (Running in the Background)  Reports to run:  {0}",
                allReports.size()));//from ww  w .j  av a 2  s .com
        for (Report report : allReports) {
            TaskRequest taskRequest = new TaskRequest();
            taskRequest.setAllowMultiple(true);
            taskRequest.setName(TaskRequest.TASKNAME_REPORT);
            taskRequest.setDetails("Report: " + report.getReportType() + " Report id: " + report.getReportId()
                    + " for user: " + SecurityUtil.getCurrentUserName());
            taskRequest.getTaskData().put(TaskRequest.DATAKEY_REPORT_ID, report.getReportId());
            serviceProxy.getAsyncProxy(serviceProxy.getReportService(), taskRequest).generateReport(report);
        }
    }

}

From source file:Main.java

/**
 * This method returns a new ArrayList which is the intersection of the two List parameters, based on {@link Object#equals(Object) equality}
 * of their elements./*w ww  . ja v a 2  s . co  m*/
 * The intersection list will contain elements in the order they have in list1 and any references in the resultant list will be
 * to elements within list1 also.
 * 
 * @return a new ArrayList whose values represent the intersection of the two Lists.
 */
public static <T> List<T> intersect(List<? extends T> list1, List<? extends T> list2) {
    if (list1 == null || list1.isEmpty() || list2 == null || list2.isEmpty()) {
        return Collections.emptyList();
    }

    List<T> result = new ArrayList<T>();
    result.addAll(list1);

    result.retainAll(list2);

    return result;
}