Example usage for java.util Map isEmpty

List of usage examples for java.util Map isEmpty

  1. HOME
  2. Java
  3. java
  4. java.util.*
  5. Map
  6. isEmpty

Introduction

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

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this map contains no key-value mappings.

Usage

From source file:com.google.gsa.valve.saml.SAMLArtifactProcessor.java

/**
 * Logs the artifact map/*from   w  w w.  j a v a  2 s . c om*/
 * 
 */
public static void logArtifactMap() {

    logger.debug("Logging Artifact Map");

    Map<String, SAMLUserAuthentication> cacheArtifactMap;

    try {
        //Set<String> userIDs = userSessions.keySet();  
        synchronized (artifactMap) {
            cacheArtifactMap = new HashMap(artifactMap);
        }

        if (!cacheArtifactMap.isEmpty()) {
            Iterator it;
            synchronized (cacheArtifactMap) {
                it = cacheArtifactMap.keySet().iterator();
            }
            while (it.hasNext()) {

                String userKey;
                synchronized (it) {
                    userKey = (String) it.next();
                }

                SAMLUserAuthentication userAuthentication;
                synchronized (cacheArtifactMap) {
                    userAuthentication = cacheArtifactMap.get(userKey);
                }

                if (userAuthentication != null) {

                    String userName = userAuthentication.getUserName();
                    long artifactTime = userAuthentication.getTime();

                    logger.debug(
                            "Artifact Entry: " + userKey + " for user=" + userName + "; time=" + artifactTime);
                }

            }
        } else {
            logger.debug("Artifact Map is empty");
        }
    } catch (Exception e) {
        logger.error("Error when logging out artifacts: " + e);
    }
}

From source file:expansionBlocks.ProcessCommunities.java

private static Set<Map<Entity, Double>> getCommunitiesFromCommunitiesBasedOnSimilarity(
        Set<Map<Entity, Double>> communities, Double fusionThreshold) {
    //Set<Set<Article>> megaCommunities = new HashSet<Set<Article>>(valueSet(communities));
    Set<Map<Entity, Double>> megaCommunities = new HashSet<>();

    for (Map<Entity, Double> community : communities) {
        Set<Entity> communityIds = new HashSet<>(community.keySet());
        Map<Entity, Double> megaCommunity = new HashMap<>(community);
        //if (!megaCommunity.isEmpty())
        {//from w ww .j  ava  2s. com
            for (Map<Entity, Double> community2 : communities) {
                Set<Entity> communityIds2 = new HashSet<>(community2.keySet());
                if (!community2.isEmpty()
                        && (compareCommunities(communityIds, communityIds2) >= fusionThreshold)) {
                    //println("Fusionant: "+e.getValue()+" i "+e2.getValue()+" similarity:"+compareCommunities(community, community2)+" ("+threshold+")");
                    megaCommunity = fusion(community, community2);
                }
            }
        }
        if (!megaCommunity.isEmpty()) {
            megaCommunities.add(megaCommunity);
        }
    }
    return megaCommunities;
}

From source file:net.paissad.minus.api.MinusUtils.java

/**
 * Verify that the specified map is not <code>null</code> and not empty.
 * /*from  w  w w. j  av  a 2s.co  m*/
 * @param jsonResult
 * @throws IllegalStateException
 */
static void validateJsonResult(Map<String, Object> jsonResult) throws IllegalStateException {
    if (jsonResult == null || jsonResult.isEmpty()) {
        throw new IllegalStateException("The JSON result cannot be null or empty.");
    }
}

From source file:com.google.gsa.valve.saml.SAMLArtifactProcessor.java

/**
 * Deletes no longer valid artifact in the map
 * //from   w ww. j  a v  a  2s  .  c  om
 */
public static void deleteNoLongerValidArtifact() {

    Map<String, SAMLUserAuthentication> cacheArtifactMap;

    try {
        //Set<String> userIDs = userSessions.keySet();  
        synchronized (artifactMap) {
            cacheArtifactMap = new HashMap(artifactMap);
        }

        if (!cacheArtifactMap.isEmpty()) {
            Iterator it;
            synchronized (cacheArtifactMap) {
                it = cacheArtifactMap.keySet().iterator();
            }
            while (it.hasNext()) {

                String userKey;
                synchronized (it) {
                    userKey = (String) it.next();
                }

                SAMLUserAuthentication userAuthentication;
                synchronized (cacheArtifactMap) {
                    userAuthentication = cacheArtifactMap.get(userKey);
                }

                if (userAuthentication != null) {

                    long artifactTime = userAuthentication.getTime();

                    long time = new Date().getTime() / MSECS_IN_SEC;

                    long delayTime = time - maxArtifactAge;

                    if (artifactTime < delayTime) {
                        logger.debug("Artifact [" + userKey + "] is out of date as artifactTime[" + artifactTime
                                + "] is lower than the delayTime [" + delayTime + "]");
                        removeArtifactMap(userKey);
                    }
                }

            }
        }
    } catch (Exception e) {
        logger.error("Error when deleting no longer valid artifacts: " + e);
    }
}

From source file:com.erudika.para.persistence.AWSDynamoUtils.java

/**
 * Updates the table settings (read and write capacities)
 * @param appid name of the {@link com.erudika.para.core.App}
 * @param readCapacity read capacity//from   www. j a  v  a 2s  .c o  m
 * @param writeCapacity write capacity
 * @return true if updated
 */
public static boolean updateTable(String appid, long readCapacity, long writeCapacity) {
    if (StringUtils.isBlank(appid) || StringUtils.containsWhitespace(appid)) {
        return false;
    }
    try {
        Map<String, Object> dbStats = getTableStatus(appid);
        long currentReadCapacity = (Long) dbStats.get("readCapacityUnits");
        long currentWriteCapacity = (Long) dbStats.get("writeCapacityUnits");
        // AWS throws an exception if the new read/write capacity values are the same as the current ones
        if (!dbStats.isEmpty() && readCapacity != currentReadCapacity
                && writeCapacity != currentWriteCapacity) {
            getClient().updateTable(new UpdateTableRequest().withTableName(getTableNameForAppid(appid))
                    .withProvisionedThroughput(new ProvisionedThroughput(readCapacity, writeCapacity)));
        }
    } catch (Exception e) {
        logger.error(null, e);
        return false;
    }
    return true;
}

From source file:com.activecq.api.helpers.WCMHelper.java

/**
 * Returns the HTML for creating DropTarget Edit Icon(s) for a specific
 * (named) DropTargets defined by a Component.
 *
 * Allows the developer to specific the EditType Icon to be used for the
 * Drop Target via editType parameter. If editType equals left null, the edit
 * type will be derived based on the DropTarget's Groups and Accepts
 * properties.//w  w  w  .  j a  v a2  s. co  m
 *
 * @param request
 * @param getName
 * @param editType
 * @param isConfigured will display edit block if evaluates to false
 * @return
 */
public static String getDDEditBlock(SlingHttpServletRequest request, String name, WCMEditType.Type editType,
        boolean... isConfigured) {
    if (!isAuthoringMode(request) || conditionAndCheck(isConfigured)) {
        return null;
    }

    final Resource resource = request.getResource();
    final com.day.cq.wcm.api.components.Component component = WCMUtils.getComponent(resource);
    final String title = StringUtils.capitalize(component.getTitle());

    String html = "";

    ComponentEditConfig editConfig = component.getEditConfig();
    Map<String, DropTarget> dropTargets = (editConfig != null) ? editConfig.getDropTargets() : null;

    if (dropTargets != null && !dropTargets.isEmpty()) {
        DropTarget dropTarget = null;

        // Find the named Drop Target
        for (String key : dropTargets.keySet()) {
            dropTarget = dropTargets.get(key);
            if (StringUtils.equals(name, dropTarget.getName())) {
                break;
            } else {
                dropTarget = null;
            }
        }

        if (dropTarget != null) {
            // If editType has not been specified then intelligently determine the best match
            editType = (editType == null) ? getWCMEditType(dropTarget) : editType;

            // Create the HTML img tag used for the edit icon
            html += "<img src=\"/libs/cq/ui/resources/0.gif\"" + " " + "class=\"" + dropTarget.getId() + " "
                    + editType.getCssClass() + "\"" + " " + "alt=\"Drop Target: " + dropTarget.getName() + "\""
                    + " " + "title=\"Drop Target: " + dropTarget.getName() + "\"" + "/>";
        }
    }

    return html;
}

From source file:com.hangum.tadpole.engine.sql.util.resultset.ResultSetUtils.java

public static Map<Integer, String> getColumnLabelName(UserDBDAO userDB, Map<Integer, String> columnTableName,
        boolean isShowRowNum, ResultSet rs) throws Exception {
    Map<Integer, String> mapColumnName = getColumnLabelName(isShowRowNum, rs);
    DBAccessControlDAO dbAccessCtlDao = userDB.getDbAccessCtl();
    Map<String, AccessCtlObjectDAO> mapDetailCtl = dbAccessCtlDao.getMapSelectAccessCtl();

    if (!mapDetailCtl.isEmpty()) {
        Map<Integer, String> mapReturnColumnName = new HashMap<Integer, String>();
        int intColumnCnt = 0;

        //  ? db access   ??   ?.
        for (int i = 0; i < mapColumnName.size(); i++) {
            String strTableName = columnTableName.get(i);

            // Is filter column?
            if (mapDetailCtl.containsKey(strTableName)) {
                // is filter table?
                AccessCtlObjectDAO acDao = mapDetailCtl.get(strTableName);

                String strTableOfAccessColumns = acDao.getDetail_obj();
                String strResultColumn = mapColumnName.get(i);
                if (StringUtils.containsIgnoreCase(strTableOfAccessColumns, strResultColumn)
                        | acDao.getDontuse_object().equals("YES")) {
                    //            if(logger.isDebugEnabled()) logger.debug("This colum is remove stauts " + strResultColumn);
                } else {
                    //            if(logger.isDebugEnabled()) logger.debug("This colum is normal stauts " + strResultColumn);
                    mapReturnColumnName.put(intColumnCnt, mapColumnName.get(i));
                    intColumnCnt++;/*ww w . j a  v a 2s  .  c  o  m*/
                }
            } else {
                mapReturnColumnName.put(intColumnCnt, mapColumnName.get(i));
                intColumnCnt++;
            }
        }

        return mapReturnColumnName;
    } else {
        return mapColumnName;
    }
}

From source file:com.hangum.tadpole.engine.sql.util.resultset.ResultSetUtils.java

/**
 * column name of table./* w w  w  . j  a v  a  2  s .  c  om*/
 * but this method is db access control.
 * 
 * @param userDB
 * @param columnTableName
 * @param isShowRownum
 * @param rs
 * @return
 */
public static Map<Integer, String> getColumnName(UserDBDAO userDB, Map<Integer, String> columnTableName,
        boolean isShowRowNum, ResultSet rs) throws Exception {
    Map<Integer, String> mapColumnName = getColumnName(isShowRowNum, rs);
    DBAccessControlDAO dbAccessCtlDao = userDB.getDbAccessCtl();
    Map<String, AccessCtlObjectDAO> mapDetailCtl = dbAccessCtlDao.getMapSelectAccessCtl();

    if (!mapDetailCtl.isEmpty()) {
        Map<Integer, String> mapReturnColumnName = new HashMap<Integer, String>();
        int intColumnCnt = 0;

        //  ? db access   ??   ?.
        for (int i = 0; i < mapColumnName.size(); i++) {
            String strTableName = columnTableName.get(i);

            // Is filter column?
            if (mapDetailCtl.containsKey(strTableName)) {
                // is filter table?
                AccessCtlObjectDAO acDao = mapDetailCtl.get(strTableName);

                String strTableOfAccessColumns = acDao.getDetail_obj();
                String strResultColumn = mapColumnName.get(i);
                if (StringUtils.containsIgnoreCase(strTableOfAccessColumns, strResultColumn)
                        | acDao.getDontuse_object().equals("YES")) {
                    //                  if(logger.isDebugEnabled()) logger.debug("This colum is remove stauts " + strResultColumn);
                } else {
                    //                  if(logger.isDebugEnabled()) logger.debug("This colum is normal stauts " + strResultColumn);
                    mapReturnColumnName.put(intColumnCnt, mapColumnName.get(i));
                    intColumnCnt++;
                }
            } else {
                mapReturnColumnName.put(intColumnCnt, mapColumnName.get(i));
                intColumnCnt++;
            }
        }

        return mapReturnColumnName;
    } else {
        return mapColumnName;
    }
}

From source file:de.fosd.jdime.Main.java

/**
 * Perform a merge operation on the input files or directories.
 *
 * @param args/*from w w  w.  ja  v a 2 s.  co m*/
 *         command line arguments
 */
public static void run(String[] args) {
    MergeContext context = new MergeContext();

    if (!parseCommandLineArgs(context, args)) {
        return;
    }

    List<FileArtifact> inputFiles = context.getInputFiles();

    if (context.isInspect()) {
        inspectElement(inputFiles.get(0), context.getInspectArtifact(), context.getInspectionScope());
        return;
    }

    if (context.getDumpMode() != DumpMode.NONE) {
        inputFiles.forEach(artifact -> dump(artifact, context.getDumpMode()));
        return;
    }

    try {
        merge(context);
        output(context);
    } finally {
        outputStatistics(context);
    }

    if (LOG.isLoggable(Level.FINE)) {
        Map<MergeScenario<?>, Throwable> crashes = context.getCrashes();

        if (crashes.isEmpty()) {
            LOG.fine("No crashes occurred while merging.");
        } else {
            String ls = System.lineSeparator();
            StringBuilder sb = new StringBuilder();

            sb.append(String.format("%d crashes occurred while merging:%n", crashes.size()));

            for (Map.Entry<MergeScenario<?>, Throwable> entry : crashes.entrySet()) {
                sb.append("* ").append(entry.getValue().toString()).append(ls);
                sb.append("    ").append(entry.getKey().toString().replace(" ", ls + "    ")).append(ls);
            }

            LOG.fine(sb.toString());
        }
    }
}

From source file:com.delicious.deliciousfeeds4J.DeliciousUtil.java

public static Set<Tag> deserializeTagsFromJson(String json) throws Exception {

    logger.debug("Trying to deserialize JSON to Tags...");
    logger.trace("Deserializing JSON: " + json);

    //Check if empty or null
    if (json == null || json.isEmpty()) {
        logger.debug("Nothing to deserialize. JSON-string was empty!");
        return null;
    }/*from www  . j a  va2 s.  c  o  m*/

    //Actually deserialize
    final Map<String, Integer> tagMap = ((Map<String, Integer>) objectMapper.readValue(json,
            new TypeReference<Map<String, Integer>>() {
            }));

    if (tagMap == null || tagMap.isEmpty()) {
        logger.debug("No tags found. Collection was empty.");
        return null;
    }

    logger.info("Successfully deserialized {} tagMap!", tagMap.size());

    //Build the set
    final Set<Tag> tags = new TreeSet<Tag>();

    for (Map.Entry<String, Integer> entry : tagMap.entrySet()) {
        final Tag tag = new Tag();
        tag.setName(entry.getKey());
        tag.setCount(entry.getValue());

        tags.add(tag);
    }

    return tags;
}