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:cn.teamlab.wg.framework.struts2.breadcrumb.Utils.java

@SuppressWarnings("rawtypes")
public static boolean compareParametersMap(Map m1, Map m2) {
    if (m1.size() != m2.size())
        return false;

    for (Object key : m1.keySet()) {
        String[] v1 = (String[]) m1.get(key);
        String[] v2 = (String[]) m2.get(key);

        if (v1.length != v2.length)
            return false;
        // XXX should values be sorted first ?
        // FIXME take care of null values ?
        for (int i = 0; i < v2.length; i++) {
            if (!v1[i].equals(v2[i]))
                return false;
        }/*from  w  ww  .  j  a v a2 s .c  om*/
    }
    return true;
}

From source file:Main.java

public static boolean isEmpty(Map<?, ?> map) {
    return (map == null) || (map.size() == 0);
}

From source file:Main.java

public static int getSize(final Map<?, ?> map) {
    if (map == null) {
        return 0;
    }//from  ww  w .  j  a va 2s.c  o  m
    return map.size();
}

From source file:org.opensprout.osaf.util.ApplicationContextUtils.java

public static <T> T getBeanByType(ApplicationContext applicationContext, Class<T> clazz) {
    Map beanMap = applicationContext.getBeansOfType(clazz);
    int size = beanMap.size();
    if (size == 0) {
        if (applicationContext.getParent() != null)
            return getBeanByType(applicationContext.getParent(), clazz);
        throw new NoSuchBeanDefinitionException(clazz.getSimpleName());
    }/*from   w  w  w.j  a  v a 2s  .c o m*/
    if (size > 1)
        throw new NoSuchBeanDefinitionException(
                "No unique bean definition type [" + clazz.getSimpleName() + "]");
    return (T) beanMap.values().iterator().next();
}

From source file:Main.java

public static boolean judgeNotNull(Map map) {
    return map != null && map.size() > 0 ? true : false;
}

From source file:Main.java

/**
 * Checks a map for either being empty or containing objects within it
 * @param myMap map to check/*w  w w.ja v  a 2 s.c om*/
 * @return Boolean, true if it is null or empty, false it if is not
 */
public static boolean isMapNullOrEmpty(Map<?, ?> myMap) {
    if (myMap == null) {
        return true;
    }
    if (myMap.size() <= 0) {
        return true;
    }
    return false;
}

From source file:Main.java

public static String mapToJson(Map<String, Object> maps) {
    StringBuffer sb = new StringBuffer();
    int size = maps.size();
    int i = 0;/*from w w w . j a  v  a2 s . c o m*/
    sb.append("{");
    for (String key : maps.keySet()) {
        i++;
        sb.append("\"" + key + "\"" + ":" + "\"" + maps.get(key) + "\"");
        if (i != size) {
            sb.append(",");
        }
    }
    sb.append("}");
    return sb + "";
}

From source file:Main.java

/**
 * Stick map into one sentence.//from  ww  w  . j  a  v  a  2 s .  co  m
 *
 * @param postfixMap
 * @return
 */
private static String stickFragments(Map<String, String> postfixMap) {
    for (int index = 1; index < postfixMap.size(); index++) {
        String value = postfixMap.get(TOKEN_PREFIX + index);
        if (value == null) {
            continue;
        }

        for (int innerIndex = index + 1; innerIndex < postfixMap.size(); innerIndex++) {
            String innerValue = postfixMap.get(TOKEN_PREFIX + innerIndex);
            if (innerValue != null) {
                innerValue = innerValue.replace(TOKEN_PREFIX + index, value);
                postfixMap.put(TOKEN_PREFIX + innerIndex, innerValue);
            }
        }

        String innerValue = postfixMap.get(TOKEN_MAIN);
        innerValue = innerValue.replace(TOKEN_PREFIX + index, value);
        postfixMap.put(TOKEN_MAIN, innerValue);
    }

    return postfixMap.get(TOKEN_MAIN);
}

From source file:Main.java

public static String mapToQueryString(Map<String, String> map) {
    StringBuilder string = new StringBuilder();

    if (map.size() > 0) {
        string.append("?");
    }/*from  w  w w .  j  a v  a 2s.c om*/

    for (Map.Entry<String, String> entry : map.entrySet()) {
        string.append(entry.getKey());
        string.append("=");
        string.append(entry.getValue());
        string.append("&");
    }

    return string.toString();
}

From source file:Main.java

/**
 * Returns the size of the collection if it can be determined to be a collection
 *
 * @param value the collection//www  . j  a  v  a2 s  .  c o  m
 * @return the size, or <tt>null</tt> if not a collection
 */
public static Integer size(Object value) {
    if (value != null) {
        if (value instanceof Collection) {
            Collection<?> collection = (Collection<?>) value;
            return collection.size();
        } else if (value instanceof Map) {
            Map<?, ?> map = (Map<?, ?>) value;
            return map.size();
        } else if (value instanceof Object[]) {
            Object[] array = (Object[]) value;
            return array.length;
        } else if (value.getClass().isArray()) {
            return Array.getLength(value);
        } else if (value instanceof NodeList) {
            NodeList nodeList = (NodeList) value;
            return nodeList.getLength();
        }
    }
    return null;
}