Example usage for java.util Map keySet

Introduction

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

Prototype

Set<K> keySet();

Source Link

Document

Returns a Set view of the keys contained in this map.

Usage

From source file:Main.java

public static String mapGetValueIgnoringCase(java.util.Map<String, String> map, String key) {
    if (map.containsKey(key)) {
        return map.get(key);
    }// w w  w . j  ava  2  s.c o m
    for (String f : map.keySet()) {
        if (equalsIgnoreCase(f, key)) {
            return map.get(f);
        }
    }
    return null;
}

From source file:Main.java

/**
 * Try to find the {@link Document} associated with a certain language
 * directory path. In case nothing is found, null is returned.
 * // w  ww  .  java  2s .c o m
 * @param map
 *            {@link Map} in which the search will be made.
 * @param languageDirectory
 *            Directory holding the path to be compared, in order to find
 *            the {@link Document} in the given {@link Map}. This Object is
 *            updated with a reference to the object in the {@link Map}.
 * 
 * @return {@link Document} element associated, in case a match is
 *         successful.
 */
private static Document findDocumentByLanguageDirectory(Map<File, Document> map, File languageDirectory) {
    Document document = null;
    Set<File> languageFolders = map.keySet();
    if (languageFolders != null) {
        for (File languageFolder : languageFolders) {
            if (languageFolder.getPath().equals(languageDirectory.getPath())) {
                document = map.get(languageFolder);
                languageDirectory = languageFolder;
                break;
            }
        }
    }
    return document;
}

From source file:com.mmd.mssp.util.HttpUtil.java

public static String putParams(String uri, Map<String, String> params) {
    if (params != null) {
        Set<String> set = params.keySet();
        for (String key : set) {
            uri = putParam4query(uri, key, params.get(key));
        }//w w  w  .  j a v a  2  s  . c o  m
    }
    return uri;
}

From source file:Main.java

/**
 * @author TheMrMilchmann/* w w  w  .  ja  v  a2  s  .  c o  m*/
 * @since DerpieLang v1.0.0
 */
@SuppressWarnings("unchecked")
public static final <K, V, OK> HashMap<K, V> transform(Map<OK, ?> toTransform) throws IllegalArgumentException {
    HashMap<K, V> map = new HashMap<K, V>();

    try {
        for (Object key : toTransform.keySet()) {
            map.put((K) key, (V) toTransform.get((OK) key));
        }

        return map;
    } catch (Throwable t) {
        throw new IllegalArgumentException(t);
    }
}

From source file:Main.java

public static Collection<Object> getSortedValues(Map<Integer, Object> vParameters) {
    if (vParameters == null || vParameters.size() == 0)
        return null;
    Set<Integer> keys = vParameters.keySet();

    SortedMap<Integer, Object> sortedMap = new TreeMap<Integer, Object>(vParameters);
    Collection<Object> result = sortedMap.values();
    return result;
}

From source file:dk.statsbiblioteket.doms.surveillance.surveyor.SurveyorServletUtils.java

/**
 * Handle actions given a servlet request on a surveyor.
 * Will handle requests to mark a log message as handled, and requests
 * never to show a given message again.//  w w  w . j a v  a 2 s  . com
 * @param request The request containing the parameters.
 * @param surveyor The surveyor to call the actions on.
 */
public static void handlePostedParameters(HttpServletRequest request, Surveyor surveyor) {
    log.trace("Enter handlePostedParameters()");
    String applicationName;

    try {
        request.setCharacterEncoding("UTF-8");
    } catch (UnsupportedEncodingException e) {
        //UTF-8 must be supported as per spec.
        throw new Error("UTF-8 unsupported by JVM", e);
    }

    applicationName = request.getParameter("applicationname");
    if (applicationName != null) {
        Map<String, String[]> parameters = request.getParameterMap();
        for (String key : parameters.keySet()) {
            if (key.startsWith("handle:") && Arrays.equals(new String[] { "Handled" }, parameters.get(key))) {
                surveyor.markHandled(applicationName, key.substring("handle:".length()));
            }
        }
        if (request.getParameter("notagain") != null) {
            surveyor.notAgain(applicationName, request.getParameter("notagain"));
        }
    }
}

From source file:Main.java

public static String getStringByMap(Map<String, Object> map) {
    StringBuffer sb = new StringBuffer(BUFFER_SIZE);
    Set<String> keys = map.keySet();
    Iterator<String> iter = keys.iterator();
    while (iter.hasNext()) {
        String key = iter.next();
        Object value = map.get(key);
        if (value == null) {
            continue;
        }/*  ww  w. j a va 2s .c o  m*/

        String clsName = value.getClass().getName();
        if (value.getClass().isArray()) {
            sb.append("[").append(key).append(":").append(ARRAY).append(":")
                    .append(toStringByArray((Object[]) value)).append("]");
        } else if (STRING.equals(clsName) || INTEGER.equals(clsName) || LONG.equals(clsName)
                || BOOLEAN.equals(clsName) || DATE.equals(clsName)) {
            if ("".equals(value.toString())) {
                continue;
            }
            sb.append("[").append(key).append(":").append(value.getClass().getName()).append(":")
                    .append(esc(value.toString())).append("]");
        }
    }
    return sb.toString();
}

From source file:Util.java

public static String dump(Map map) {
    if (map == null)
        return "null";

    StringBuffer buf = new StringBuffer().append('{');
    Set keys = map.keySet();
    Iterator iterator = keys.iterator();
    Object key;/* www  .  j a va  2  s .c o m*/
    Object value;

    boolean first = true;
    while (iterator.hasNext()) {
        if (first)
            first = false;
        else
            buf.append(',');
        key = iterator.next();
        value = map.get(key);
        buf.append(key + "->" + value);
    }
    buf.append('}');
    return buf.toString();
}

From source file:Main.java

/**
 * Returns a cloned Map of String to Set of String.
 *
 * @param map Map to be cloned./*from  w ww.ja va2  s .  c o  m*/
 * @return cloned map.
 */
public static Map<String, Set<String>> cloneMap(Map<String, Set<String>> map) {
    Map<String, Set<String>> clone = new HashMap<String, Set<String>>();
    for (String key : map.keySet()) {
        Set<String> set = new HashSet<String>();
        Set<String> orig = (Set<String>) map.get(key);
        set.addAll(orig);
        clone.put(key, set);
    }
    return clone;
}

From source file:com.stratumsoft.xmlgen.SchemaUtil.java

/**
 * Get the top-level element qname's for the given XmlSchema
 *
 * @param xmlSchema/*  www.  j a va 2  s.c  o m*/
 * @return
 */
public static Collection<QName> getElements(XmlSchema xmlSchema) {
    Collection<QName> elNames = new HashSet<QName>();
    if (xmlSchema != null) {
        Map<QName, XmlSchemaElement> schElems = xmlSchema.getElements();
        for (QName name : schElems.keySet()) {
            elNames.add(name);
        }
    }

    return elNames;
}