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.hisuntech.ArchOnlineSchoolAuth.test.aop.MyTest.java

/**
  * MAP??NameValuePair/* w ww .j av  a2s .  com*/
  * @param properties  MAP
  * @return NameValuePair
  */
private static NameValuePair[] generatNameValuePair(Map<String, String> properties) {
    NameValuePair[] nameValuePair = new NameValuePair[properties.size()];
    int i = 0;
    for (Map.Entry<String, String> entry : properties.entrySet()) {
        nameValuePair[i++] = new NameValuePair(entry.getKey(), entry.getValue());
    }

    return nameValuePair;
}

From source file:Main.java

/**
 * Utility method for building up URL param string.
 * //from w ww .  j  av  a2s . c  om
 * @param params
 * @return URL parameter string
 */
private static String buildParamString(Map<String, String> params) {
    StringBuffer paramBuf = new StringBuffer();
    if (params != null && params.size() > 0) {
        paramBuf.append('?');
        Iterator<Map.Entry<String, String>> iter = params.entrySet().iterator();
        while (iter.hasNext()) {
            Map.Entry<String, String> param = (Map.Entry<String, String>) iter.next();
            paramBuf.append(param.getKey() + "=" + param.getValue());
            if (iter.hasNext()) {
                paramBuf.append('&');
            }
        }
    }
    Log.i("PARAM STRING CHECK", paramBuf.toString());
    return paramBuf.toString();
}

From source file:Main.java

public static String buildString(Map<String, String> params) {
    if (params == null || params.size() == 0)
        return null;

    StringBuilder sb = new StringBuilder();
    Set<Entry<String, String>> setEntry = params.entrySet();

    for (Entry<String, String> entry : setEntry) {
        sb.append(entry.getKey());//from w w w. j a  v  a  2s  . c o m
        sb.append("=");
        try {
            sb.append(getUrlEncode(entry.getValue(), "utf-8") + "&");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }

    sb.deleteCharAt(sb.length() - 1);
    return sb.toString();
}

From source file:Main.java

/**
 * /*from  www  .j  a va  2s . co m*/
 * @param pressingLength length of pause between clicks
 * @return mathExpectation values list 
 */
public static List<Double> mathExpectation(Map<String, Long> pressingLength) {
    List<Double> mathExpectation = new ArrayList<Double>();
    int N = pressingLength.size() - 1;
    //math Expectation
    double expectation = 0.0;

    for (String key : pressingLength.keySet()) {
        for (String k : pressingLength.keySet()) {
            if (!k.equals(key)) {
                expectation += pressingLength.get(k);
            }
        }
        mathExpectation.add(expectation / N);
        expectation = 0.0;
    }
    return mathExpectation;
}

From source file:Main.java

public static Process runWithEnv(String command, ArrayList<String> customAddedEnv, String baseDirectory)
        throws IOException {

    Map<String, String> environment = System.getenv();
    String[] envArray = new String[environment.size() + (customAddedEnv != null ? customAddedEnv.size() : 0)];
    int i = 0;//ww  w  . ja  v a2  s  .  c o  m
    for (Map.Entry<String, String> entry : environment.entrySet()) {
        envArray[i++] = entry.getKey() + "=" + entry.getValue();
    }
    if (customAddedEnv != null) {
        for (String entry : customAddedEnv) {
            envArray[i++] = entry;
        }
    }

    Process process;
    if (baseDirectory == null) {
        process = Runtime.getRuntime().exec(command, envArray, null);
    } else {
        process = Runtime.getRuntime().exec(command, envArray, new File(baseDirectory));
    }
    return process;
}

From source file:org.eclipse.swordfish.core.configuration.xml.SaxParsingPrototype.java

private static Map<String, String> flatten(Map<String, List<String>> props) {
    Map<String, String> ret = new HashMap<String, String>(props.size());
    for (String key : props.keySet()) {
        List<String> values = props.get(key);
        Assert.state(values.size() > 0);
        if (values.size() == 1) {
            ret.put(key, values.get(0));
        } else {//from w  w w  . j a  va 2s  .  c  om
            for (int i = 0; i < values.size(); i++) {
                ret.put(key + "{" + (i + 1) + "}", values.get(i));
            }
        }
    }
    return ret;
}

From source file:com.datasalt.utils.commons.URLUtils.java

/**
 * build a url from a hashtable and a base.  Not tested but may be useful for building urls from 
 * other data.  Also might be usefull for testing later on .
 * @param base//w w  w . jav a 2  s  .c om
 * @param pars
 */
@SuppressWarnings("rawtypes")
public static String getUrlFromParameters(String base, Map pars) {
    StringBuffer s = new StringBuffer(base);
    if (pars.size() > 0)
        s.append("?");
    for (Object k : pars.keySet()) {
        s.append(k);
        s.append("=");
        s.append(pars.get(k));
    }
    return s.toString();
}

From source file:Maps.java

public static <K, V> Map<K, V> normalizeUnmodifiable(Map<K, V> map) {
    if (map.size() < 2) {
        return normalize(map);
    } else {/*from w  w w . j  a  v  a 2  s . co m*/
        // TODO: implement an UnmodifiableHashMap?
        return Collections.unmodifiableMap(normalize(map));
    }
}

From source file:Main.java

public static void dumpWeightedGraph(Map<Integer, Map<Integer, Integer>> weightedGraph) {
    System.out.println("Start of dumping weighted graph... graphSize: " + weightedGraph.size());
    for (int vertexId : weightedGraph.keySet()) {
        //         System.out.println("vertexId: " + vertexId);
        Map<Integer, Integer> weightedNeighbors = weightedGraph.get(vertexId);
        for (int neighborId : weightedNeighbors.keySet()) {
            if (weightedNeighbors.get(neighborId) > 1) {
                System.out.println(
                        "w(" + vertexId + ", " + neighborId + "): " + weightedNeighbors.get(neighborId));
            }//from   w w w .ja v  a2  s .c o m
        }
    }
    System.out.println("End of dumping weighted graph...");
}

From source file:com.extjs.djn.spring.loader.SpringLoaderHelper.java

/**
 * Return the spring instance of a bean from is className.
 * //from   w  w w .ja v a 2  s.c  o m
 * Return null if no bean found.
 * 
 * @param instanceClass
 * 
 * @return
 */
public static Object getBeanOfType(Class<?> instanceClass) {
    Object bean = null;
    Map<String, Object> beansMap = getBeansOfType(instanceClass);
    if (beansMap.size() > 1) {
        throw new IllegalStateException("Only one instance of " + instanceClass + "is expected");
    } else if (beansMap.size() == 1) {
        bean = beansMap.values().iterator().next();
    }
    return bean;

}