Example usage for java.util Map size

Introduction

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

Prototype

int size();

Source Link

Document

Returns the number of key-value mappings in this map.

Usage

From source file:com.wiiyaya.framework.provider.utils.PageableHelper.java

public static Pageable mappingAttr(Map<String, String> replaceAttr, Pageable pageRequest) {
    if (pageRequest.getSort() == null || replaceAttr == null || replaceAttr.size() == 0) {
        return pageRequest;
    }/*from   w  w w.j av a  2 s  .  c o m*/
    List<Order> orders = new ArrayList<Order>();

    for (Map.Entry<String, String> entry : replaceAttr.entrySet()) {
        Order ctOrd = pageRequest.getSort().getOrderFor(entry.getKey());
        if (ctOrd != null) {
            ctOrd = new Order(ctOrd.getDirection(), entry.getValue());
            orders.add(ctOrd);
        }
    }
    return new PageRequest(pageRequest.getPageNumber(), pageRequest.getPageSize(), new Sort(orders));
}

From source file:com.ieasy.basic.util.CookieSupport.java

/**
 * cookies/*from w  w  w  .  j  a va2  s.com*/
 * 
 * @param response
 * @param cookieParams
 * @param maxAge
 */
public static final void writeCookies(HttpServletResponse response, Map<String, String> cookieParams,
        int maxAge) {
    if (cookieParams == null || cookieParams.size() == 0)
        return;
    Set<String> keySet = cookieParams.keySet();
    for (String key : keySet) {
        Cookie cookie = new Cookie(key, cookieParams.get(key));
        cookie.setMaxAge(maxAge);
        response.addCookie(cookie);
    }
}

From source file:Main.java

public static <V> Map<String, V> cleanupMap(Map<String, V> map) {
    if (map == null || map.isEmpty()) {
        return null;
    }//from w ww. java  2s.c om

    Map<String, V> result = new HashMap<String, V>(map.size());
    Set<Entry<String, V>> entries = map.entrySet();

    for (Entry<String, V> entry : entries) {
        if (entry.getValue() != null) {
            result.put(entry.getKey(), entry.getValue());
        }
    }

    return result;
}

From source file:Main.java

public static boolean isEmpty(Map map) {
    if (map == null || map.size() == 0) {
        return true;
    }/*  www . ja v a 2  s  . c o  m*/
    return false;
}

From source file:net.sephy.postman.util.PostmanUtils.java

/**
 * ?/*w  w w.  j  av  a2s  .c  o m*/
 * @param builder
 * @param params
 */
public static void setParameter(RequestBuilder builder, Map<String, Object> params) {
    if (params != null && params.size() > 0) {
        for (Map.Entry<String, Object> entry : params.entrySet()) {
            builder.addParameter(entryToNameAndValuePair(entry));
        }
    }
}

From source file:net.sephy.postman.util.PostmanUtils.java

/**
 * ?// w  w w  .j a  v  a2s .  co  m
 * @param builder
 * @param header
 */
public static void setHeader(RequestBuilder builder, Map<String, Object> header) {
    if (header != null && header.size() > 0) {
        for (Map.Entry<String, Object> entry : header.entrySet()) {
            builder.addHeader(entryToHeader(entry));
        }
    }
}

From source file:io.amira.zen.http.ZenHTTP.java

private static Header[] _parseHeaders(Map<String, String> headers) {
    Header[] rv = new Header[headers.size()];
    Iterator iter = headers.entrySet().iterator();
    int i = 0;//from w  ww.  j  a  v a2 s .c  o  m
    while (iter.hasNext()) {
        Map.Entry pairs = (Map.Entry) iter.next();
        rv[i] = new BasicHeader(pairs.getKey().toString(), pairs.getValue().toString());
        i++;
    }
    return rv;
}

From source file:Main.java

/**
 * Returns <tt>true</tt> iff the given {@link Collection}s contain exactly
 * the same elements with exactly the same cardinality.
 * <p>//  w  ww. j a  v a 2s .co  m
 * That is, iff the cardinality of <i>e</i> in <i>a</i> is equal to the
 * cardinality of <i>e</i> in <i>b</i>, for each element <i>e</i> in
 * <i>a</i> or <i>b</i>.
 */
public static boolean isEqualCollection(final Collection a, final Collection b) {
    if (a.size() != b.size()) {
        return false;
    } else {
        Map mapa = getCardinalityMap(a);
        Map mapb = getCardinalityMap(b);
        if (mapa.size() != mapb.size()) {
            return false;
        } else {
            Iterator it = mapa.keySet().iterator();
            while (it.hasNext()) {
                Object obj = it.next();
                if (getFreq(obj, mapa) != getFreq(obj, mapb)) {
                    return false;
                }
            }
            return true;
        }
    }
}

From source file:Main.java

/**
 * Copies the given {@link Map} into a new {@link Map}.<br>
 * //from  ww w .j a va2  s .  c  o m
 * @param <A>
 *            the type of the keys of the map
 * @param <B>
 *            the type of the values of the map
 * @param data
 *            the given map
 * @return If the given map was empty, a {@link Collections#emptyMap()} is
 *         returned<br>
 *         If the given map contained only one entry, a
 *         {@link Collections#singletonMap(Object, Object)}, containing
 *         said entry, is returned <br>
 *         If the given map contained more than one element, a
 *         {@link Collections#unmodifiableMap(Map)}, containing the entries
 *         of the given map, is returned.
 */
public static <A, B> Map<A, B> copy(Map<A, B> data) {
    final int size = data.size();

    switch (size) {
    case 0:
        return Collections.emptyMap();
    case 1:
        final A key = data.keySet().iterator().next();
        return Collections.singletonMap(key, data.get(key));
    default:
        return Collections.unmodifiableMap(new HashMap<A, B>(data));
    }
}

From source file:com.blackey.quickvolley.Request.JsonNetworkRequest.java

private static String paramstoString(Map<String, String> params) {
    if (params != null && params.size() > 0) {
        String paramsEncoding = "UTF-8";
        StringBuilder encodedParams = new StringBuilder();
        try {/*ww w  . ja  va 2 s  .com*/
            for (Map.Entry<String, String> entry : params.entrySet()) {
                encodedParams.append(URLEncoder.encode(entry.getKey(), paramsEncoding));
                encodedParams.append('=');
                encodedParams.append(URLEncoder.encode(entry.getValue(), paramsEncoding));
                encodedParams.append('&');

            }
            return encodedParams.toString();
        } catch (UnsupportedEncodingException uee) {
            throw new RuntimeException("Encoding not supported: " + paramsEncoding, uee);
        }
    }
    return null;
}