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:adam.app.jodconverter.openoffice.converter.AbstractOpenOfficeDocumentConverter.java

protected static PropertyValue[] toPropertyValues(Map/*<String,Object>*/ properties) {
    PropertyValue[] propertyValues = new PropertyValue[properties.size()];
    int i = 0;//from   ww  w.  ja v  a  2s. c  om
    for (Iterator iter = properties.entrySet().iterator(); iter.hasNext();) {
        Map.Entry entry = (Map.Entry) iter.next();
        Object value = entry.getValue();
        if (value instanceof Map) {
            // recursively convert nested Map to PropertyValue[]
            Map subProperties = (Map) value;
            value = toPropertyValues(subProperties);
        }
        propertyValues[i++] = property((String) entry.getKey(), value);
    }
    return propertyValues;
}

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From source file:com.ykun.commons.utils.http.HttpClientUtils.java

/**
 * Url?/*from   w  ww. ja va 2s. com*/
 */
private static String parse(String url, Map<String, String> params) {
    if (params == null && params.size() == 0) {
        return url;
    }
    StringBuilder builder = new StringBuilder(url);
    builder.append(SYMBOL_MARK);
    Iterator<String> it = params.keySet().iterator();
    while (it.hasNext()) {
        String key = it.next();
        try {
            builder.append(key).append(SYMBOL_EQUAL).append(
                    URLEncoder.encode(params.get(key) == null ? EMPTY_STRING : params.get(key), CHARSET_UTF8))
                    .append(SYMBOL_CONNECTOR);
        } catch (UnsupportedEncodingException e) {
            logger.error("Parse Url error", e);
            throw new RuntimeException(e);
        }
    }
    String parse = builder.toString();
    return parse.substring(0, parse.length() - 1);
}

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From source file:Main.java

/**
 * @param mathExpectation math expectation for full list
 * @return dispersion on full array//from  w w w .j  a va  2  s  .co  m
 */
private static double dispersionForFull(double mathExpectation, Map<String, Long> pressingLength) {
    double sum = 0.0;
    for (String key : pressingLength.keySet()) {
        double x = pressingLength.get(key) - mathExpectation;
        sum += x * x;
    }
    return sqrt(sum / (pressingLength.size() - 1));
}

---

From source file:com.autentia.intra.util.SpringUtils.java

/**
 * Configure this class/*  w  w  w  . j a v a 2  s. c  o m*/
 *
 * @param appCtx
 */
public synchronized static void configure(ApplicationContext ctx) {
    // Do not let configure more than once
    if (appCtx != null) {
        throw new IllegalStateException("Spring's application context cannot be set more than once");
    }

    // Store application context
    appCtx = ctx;

    // Find AclService
    Map map = appCtx.getBeansOfType(AclService.class);
    if (map.size() != 1) {
        throw new IllegalStateException(
                "Found incorrect number of AclService instances in application context - you must have only have one!");
    }
    aclService = (AclService) map.values().iterator().next();

    // Find SidRetrievalStrategy
    map = appCtx.getBeansOfType(SidRetrievalStrategy.class);
    if (map.size() == 0) {
        sidRetrievalStrategy = new SidRetrievalStrategyImpl();
    } else if (map.size() == 1) {
        sidRetrievalStrategy = (SidRetrievalStrategy) map.values().iterator().next();
    } else {
        throw new IllegalStateException(
                "Found incorrect number of SidRetrievalStrategy instances in application context - you must have only have one!");
    }

    // Find ObjectIdentityRetrievalStrategy
    map = appCtx.getBeansOfType(ObjectIdentityRetrievalStrategy.class);
    if (map.size() == 0) {
        objectIdentityRetrievalStrategy = new ObjectIdentityRetrievalStrategyImpl();
    } else if (map.size() == 1) {
        objectIdentityRetrievalStrategy = (ObjectIdentityRetrievalStrategy) map.values().iterator().next();
    } else {
        throw new IllegalStateException(
                "Found incorrect number of ObjectIdentityRetrievalStrategy instances in application context - you must have only have one!");
    }
}

---

From source file:com.hangum.tadpole.mongodb.core.utils.MongoDBTableColumn.java

/**
 * TableView?   ? ?. //  ww w.java2  s  .c  om
 *
 * @param dbObject
 * @param mapColumns
 * @return
 */
public static Map<Integer, String> getTabelColumnView(DBObject dbObject, Map<Integer, String> mapColumns) {
    if (dbObject == null)
        return mapColumns;

    int i = mapColumns.size();
    for (String name : dbObject.keySet()) {
        if (!mapColumns.containsValue(name)) {
            mapColumns.put(i, name);
            i++;
        }
    }

    return mapColumns;
}

---

From source file:ddf.security.permission.Permissions.java

public static List<String> getPermissionsAsStrings(Map<String, Set<String>> attributes) {
    if (attributes == null) {
        return Collections.emptyList();
    }//w  w w.j a  v  a2  s.  c  om
    List<String> stringAttributes = new ArrayList<>(attributes.size());
    StringBuilder sb = new StringBuilder();
    for (Map.Entry<String, Set<String>> entry : attributes.entrySet()) {
        sb.append(entry.getKey());
        sb.append("=");
        sb.append(StringUtils.join(entry.getValue(), ","));
        stringAttributes.add(sb.toString());
        sb.setLength(0);
    }
    return stringAttributes;
}

---

From source file:Main.java

/**
 * Compares the two specified maps for equality.  Returns
 * <tt>true</tt> if the two maps represent the same mappings.  More formally, two maps <tt>m1</tt> and
 * <tt>m2</tt> represent the same mappings if
 * <tt>m1.keySet().equals(m2.keySet())</tt> and for every key <tt>k</tt>
 * in <tt>m1.keySet()</tt>, <tt> (m1.get(k)==null ? m2.get(k)==null :
 * m1.get(k).equals(m2.get(k))) </tt>.
 * <p/>//from  w w w .j a  v  a 2  s .  com
 * This implementation first checks if the <tt>m1</tt> and <tt>m2</tt> are the same object;
 * if so it returns <tt>true</tt>.  Then, it checks if the two maps have the same sizw; if
 * not, it returns <tt>false</tt>.  If so, it iterates over <tt>m1</tt>'s
 * <tt>entrySet</tt> collection, and checks that map <tt>m1</tt>
 * contains each mapping that map <tt>m2</tt> contains.  If map <tt>m1</tt>
 * fails to contain such a mapping, <tt>false</tt> is returned.  If the
 * iteration completes, <tt>true</tt> is returned.
 *
 * @return <tt>true</tt> if the specified object is equal to this map.
 */
public static boolean equals(Map m1, Map m2) {
    if (m2 == m1)
        return true;
    if (m1 == null)
        return false;
    if (m2 == null)
        return false;
    if (m2.size() != m1.size())
        return false;

    try {
        for (Iterator it = m1.entrySet().iterator(); it.hasNext();) {
            Map.Entry e = (Map.Entry) it.next();
            Object key = e.getKey();
            Object value = e.getValue();
            if (value == null) {
                if (!(m2.get(key) == null && m2.containsKey(key)))
                    return false;
            } else {
                if (!value.equals(m2.get(key)))
                    return false;
            }
        }
    } catch (ClassCastException unused) {
        return false;
    } catch (NullPointerException unused) {
        return false;
    }
    return true;
}

---

From source file:Main.java

public static boolean mapEquals(Map<?, ?> map1, Map<?, ?> map2) {
    if (map1 == null && map2 == null) {
        return true;
    }/*from   ww  w.j a  v  a2s  .  c o  m*/
    if (map1 == null || map2 == null) {
        return false;
    }
    if (map1.size() != map2.size()) {
        return false;
    }
    for (Map.Entry<?, ?> entry : map1.entrySet()) {
        Object key = entry.getKey();
        Object value1 = entry.getValue();
        Object value2 = map2.get(key);
        if (!objectEquals(value1, value2)) {
            return false;
        }
    }
    return true;
}

---

From source file:Main.java

public static List<String> join(Map<String, String> map, String separator) {
    if (map == null) {
        return null;
    }/*  w  ww . ja v  a  2  s . c  om*/
    List<String> list = new java.util.ArrayList<String>();
    if (map == null || map.size() == 0) {
        return list;
    }
    for (Map.Entry<String, String> entry : map.entrySet()) {
        String key = entry.getKey();
        String value = entry.getValue();
        if (value == null || value.length() == 0) {
            list.add(key);
        } else {
            list.add(key + separator + value);
        }
    }
    return list;
}

---

From source file:com.boyuanitsm.pay.alipay.util.AlipayCore.java

/** 
 * ???//from   www  .j  a v a 2 s.  c om
 * @param sArray ???
 * @return ???????
 */
public static Map<String, String> paraFilter(Map<String, String> sArray) {

    Map<String, String> result = new HashMap<String, String>();

    if (sArray == null || sArray.size() <= 0) {
        return result;
    }

    for (String key : sArray.keySet()) {
        String value = sArray.get(key);
        if (value == null || value.equals("") || key.equalsIgnoreCase("sign")
                || key.equalsIgnoreCase("sign_type")) {
            continue;
        }
        result.put(key, value);
    }

    return result;
}

---

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