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.baasbox.controllers.Social.java

/**
 * Returns for the current user the linked accounts to external
 * social providers.// w  w  w  .j  a  v  a  2 s. c o m
 * 
 * 
 *  @return a json representation of the list of connected social networks
 *  404 if no social networks are connected 
 */

@With({ UserCredentialWrapFilter.class, ConnectToDBFilter.class })
public static Result socialLogins() {
    try {
        ODocument user = UserService.getCurrentUser();
        Map<String, ODocument> logins = user.field(UserDao.ATTRIBUTES_SYSTEM + "." + UserDao.SOCIAL_LOGIN_INFO);
        if (logins == null || logins.isEmpty()) {
            return notFound();
        } else {
            List<UserInfo> result = new ArrayList<UserInfo>();
            for (ODocument d : logins.values()) {
                UserInfo i = UserInfo.fromJson(d.toJSON());
                result.add(i);
            }
            return ok(Json.toJson(result));
        }
    } catch (Exception e) {
        return internalServerError(ExceptionUtils.getMessage(e));
    }
}

From source file:com.baasbox.controllers.Social.java

/**
 * Unlink given social network from current user.
 * In case that the user was generated by any social network and
 * at the moment of the unlink the user has only one social network connected
 * the controller will throw an Exception with a clear message.
 * Otherwise a 200 code will be returned
 * @param socialNetwork//ww w .  ja va  2  s . co  m
 * @return
 * @throws SqlInjectionException 
 */
@With({ UserCredentialWrapFilter.class, ConnectToDBFilter.class })
public static Result unlink(String socialNetwork) throws SqlInjectionException {
    ODocument user = null;
    try {
        user = UserService.getCurrentUser();
    } catch (Exception e) {
        internalServerError(ExceptionUtils.getMessage(e));
    }
    Map<String, ODocument> logins = user.field(UserDao.ATTRIBUTES_SYSTEM + "." + UserDao.SOCIAL_LOGIN_INFO);
    if (logins == null || logins.isEmpty() || !logins.containsKey(socialNetwork)
            || logins.get(socialNetwork) == null) {
        return notFound("User's account is not linked with " + StringUtils.capitalize(socialNetwork));
    } else {
        boolean generated = UserService.isSocialAccount(DbHelper.getCurrentUserNameFromConnection());
        if (logins.size() == 1 && generated) {
            return internalServerError("User's account can't be unlinked.");
        } else {
            try {
                UserService.removeSocialLoginTokens(user, socialNetwork);
                return ok();
            } catch (Exception e) {
                return internalServerError(ExceptionUtils.getMessage(e));
            }
        }
    }
}

From source file:org.zenoss.zep.impl.PluginServiceImpl.java

/**
 * Sorts plug-ins in the order of their dependencies, so all dependencies
 * come before the plug-in which depends on them.
 *
 * @param <T>//w w w. java  2 s.c o m
 *            The type of {@link EventPlugin}.
 * @param plugins
 *            Map of plug-ins keyed by the plug-in ID.
 * @return A sorted list of plug-ins in order based on their dependencies.
 */
static <T extends EventPlugin> List<T> sortPluginsByDependencies(Map<String, T> plugins) {
    List<T> sorted = new ArrayList<T>(plugins.size());
    Map<String, T> mutablePlugins = new HashMap<String, T>(plugins);
    while (!mutablePlugins.isEmpty()) {
        for (Iterator<T> it = mutablePlugins.values().iterator(); it.hasNext();) {
            T plugin = it.next();
            boolean allDependenciesResolved = true;
            final Set<String> pluginDependencies = plugin.getDependencies();
            if (pluginDependencies != null) {
                for (String dep : pluginDependencies) {
                    T depPlugin = mutablePlugins.get(dep);
                    if (depPlugin != null) {
                        allDependenciesResolved = false;
                        break;
                    }
                }
            }
            if (allDependenciesResolved) {
                sorted.add(plugin);
                it.remove();
            }
        }
    }
    return sorted;
}

From source file:com.baidu.rigel.biplatform.parser.util.ConditionUtil.java

/** 
 * contexCondition??//from   w  ww  .j a  va2  s.  com
 * simpleMergeContexsCondition
 * @param contexs
 * @return
 */
public static Map<Condition, Set<String>> simpleMergeContexsCondition(Collection<CompileContext> contexs) {

    Map<Condition, Set<String>> result = new HashMap<Condition, Set<String>>();
    if (CollectionUtils.isNotEmpty(contexs)) {
        Map<Condition, Set<String>> condition = null;
        for (CompileContext contex : contexs) {
            // ?????
            condition = new HashMap<Condition, Set<String>>(contex.getConditionVariables());
            if (result.isEmpty()) {
                result.putAll(condition);
            } else if (MapUtils.isNotEmpty(condition)) {
                for (Entry<Condition, Set<String>> entry : result.entrySet()) {
                    if (condition.containsKey(entry.getKey())) {
                        entry.getValue().addAll(condition.get(entry.getKey()));
                        condition.remove(entry.getKey());
                    }
                }
                if (MapUtils.isNotEmpty(condition)) {
                    result.putAll(condition);
                }
            }
        }
    }
    return result;
}

From source file:de.jgoldhammer.alfresco.jscript.jmx.JmxDumpUtil.java

/**
 * Tabulates a given String -> Object Map.
 * /* w  w w .  j  a v  a 2 s .  co m*/
 * @param keyHeader
 *            the key header
 * @param valueHeader
 *            the value header
 * @param rows
 *            Map containing key value pairs forming the rows
 * @param out
 *            PrintWriter to write the output to
 * @param nestLevel
 *            the nesting level
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static void tabulate(String keyHeader, String valueHeader, Map<String, Object> rows, PrintWriter out,
        int nestLevel) throws IOException {
    if (rows.isEmpty()) {
        return;
    }
    // Calculate column lengths
    int maxKeyLength = keyHeader.length(), maxValLength = valueHeader.length();
    for (Map.Entry<String, Object> entry : rows.entrySet()) {
        maxKeyLength = Math.max(maxKeyLength, entry.getKey().length());
        maxValLength = Math.max(maxValLength, getValueLength(entry.getValue()));
    }
    // Output Header
    outputRow(out, maxKeyLength, keyHeader, valueHeader, nestLevel);
    indent(out, nestLevel);
    for (int col = 0; col < maxKeyLength; col++) {
        out.print('-');
    }
    out.print(' ');
    for (int col = 0; col < maxValLength; col++) {
        out.print('-');
    }
    out.println();

    // Output Body
    for (Map.Entry<String, Object> entry : rows.entrySet()) {
        outputRow(out, maxKeyLength, entry.getKey(), entry.getValue(), nestLevel);
    }
    out.println();
}

From source file:com.iisigroup.cap.utils.CapBeanUtil.java

/**
 * <pre>//w ww .j  a  v a 2  s  .  c  om
 * mapbean
 * </pre>
 * 
 * @param <T>
 *            T extends GenericBean
 * @param prefix
 *            fieldId?
 * @param map
 *            {fieldId=fieldValue}
 * @param entry
 *            the bean
 * @param clazz
 *            the bean class
 * @return T
 */
@SuppressWarnings("rawtypes")
public static <T extends GenericBean> T map2Bean(String prefix, Map<String, Object> map, T entry, Class clazz) {
    if (map != null && !map.isEmpty()) {
        Field[] cols = getField(clazz, true);
        for (Field f : cols) {
            String key = prefix + f.getName();
            if (map.containsKey(key)) {
                Object value;
                value = map.get(key);
                setField(entry, f.getName(), value);
            }
        }
    }
    return entry;
}

From source file:com.iisigroup.cap.utils.CapBeanUtil.java

/**
 * <pre>//  w  w w  .ja  v  a2 s  .  c  om
 * mapbean
 * </pre>
 * 
 * @param <T>
 *            T extends GenericBean
 * @param map
 *            {fieldId=fieldValue}
 * @param entry
 *            the bean
 * @param cols
 *            columns
 * @return T
 */
public static <T extends GenericBean> T map2Bean(Map<String, Object> map, T entry, String[] cols) {
    if (map != null && !map.isEmpty()) {
        for (String f : cols) {
            String key = f;
            if (map.containsKey(key)) {
                Object value;
                value = map.get(key);
                setField(entry, f, value);
            }
        }
    }
    return entry;
}

From source file:gridool.db.partitioning.phihash.csv.grace.CsvGraceHashPartitioningJob.java

private static GridNode mapPrimaryFragment(final String pkeysField, final Map<GridNode, MutableInt> mappedNodes,
        final int tablePartitionNo, final GridRouter router) throws GridException {
    assert (mappedNodes.isEmpty());
    final byte[] distkey = StringUtils.getBytes(pkeysField);
    GridNode mappedNode = router.selectNode(distkey);
    if (mappedNode == null) {
        throw new GridException("Could not find any node in cluster.");
    }/*from w  ww .j  av a  2  s .  co m*/
    MutableInt newHidden = new MutableInt(tablePartitionNo);
    mappedNodes.put(mappedNode, newHidden);
    return mappedNode;
}

From source file:Main.java

public static Map getMap(Map mapOld, Map newMap) {
    Iterator iter = mapOld.entrySet().iterator();
    while (iter.hasNext()) {
        Map.Entry entry = (Map.Entry) iter.next();
        Object key = entry.getKey();
        Object obj = entry.getValue();
        if (obj instanceof Map) {
            getMap((Map) obj, newMap);
        } else {// ww w. ja v  a2 s  .  c  o  m
            String key1 = (String) key;
            String value1 = (String) obj;
            if (!newMap.isEmpty()) {
                int nn = 0;
                Iterator iter1 = newMap.entrySet().iterator();
                while (iter1.hasNext()) {
                    Map.Entry entry1 = (Map.Entry) iter1.next();
                    String key2 = (String) entry1.getKey();
                    String[] arr1 = key2.split("\\|");
                    String e1 = arr1[0];
                    int n1 = Integer.parseInt(arr1[1]);
                    if (key1.split("\\|")[0].equals(e1) && n1 >= nn) {
                        nn = n1 + 1;
                    }
                }
                newMap.put(key1.split("\\|")[0] + "|" + nn, value1);
            } else {
                newMap.put(key1, value1);
            }
        }
    }
    return newMap;
}

From source file:de.iteratec.iteraplan.common.GeneralHelper.java

/**
 * /*from  ww w.j a  v a2  s .  c o  m*/
 * Filter BusinessObjects from a InformationSystemRelease Object by a given Map of Business Objects and a return the Association between Informations System and Business Object.
 * 
 * @param rel
 *        Information System Release
 * @param businessObjects
 *        Map of Business Objects
 * @param isLeftEndSearchedBB
 *        Decision to use the right or left end of association between IS and BO.<br/>
 *        true == the left end is used <br/>
 *        false == the right end is used<br/>
 * @return Association Object between BO and IS
 */
public static Set<Isr2BoAssociation> filterAbstractAssociationsByBusinessObjects(InformationSystemRelease rel,
        Map<String, BusinessObject> businessObjects, boolean isLeftEndSearchedBB) {
    if (businessObjects == null || businessObjects.isEmpty()) {
        return rel.getBusinessObjectAssociations();
    }

    Set<Isr2BoAssociation> isr2BoAssociationSet = Sets.newHashSet();
    for (Iterator<Isr2BoAssociation> iter = rel.getBusinessObjectAssociations().iterator(); iter.hasNext();) {
        Isr2BoAssociation ass = iter.next();
        BuildingBlock buildingBlock;
        if (isLeftEndSearchedBB) {
            buildingBlock = ass.getLeftEnd();
        } else {
            buildingBlock = ass.getRightEnd();
        }

        if (businessObjects.get(buildingBlock.getNonHierarchicalName()) != null) {
            isr2BoAssociationSet.add(ass);
        }
    }
    return isr2BoAssociationSet;
}