Example usage for java.util Collections sort

Introduction

In this page you can find the example usage for java.util Collections sort.

Prototype

@SuppressWarnings({ "unchecked", "rawtypes" })
public static <T> void sort(List<T> list, Comparator<? super T> c)

Source Link

Document

Sorts the specified list according to the order induced by the specified comparator.

Usage

From source file:info.mikaelsvensson.devtools.analysis.db2eventlog.Db2EventLogReportGenerator.java

private static void sortQueryDataBySamples(List<QueryStatistics> data) {
    Collections.sort(data, QueryStatistics.CALL_COUNT_COMPARATOR);
}

From source file:de.tudarmstadt.ukp.experiments.argumentation.convincingness.sampling.IOHelper.java

/**
 * Sorts map by value (http://stackoverflow.com/a/2581754)
 *
 * @param map map//from ww  w. java2s .  com
 * @param <K> key
 * @param <V> value
 * @return sorted map by value
 */
public static <K, V extends Comparable<? super V>> LinkedHashMap<K, V> sortByValue(Map<K, V> map,
        final boolean asc) {
    List<Map.Entry<K, V>> list = new LinkedList<>(map.entrySet());
    Collections.sort(list, new Comparator<Map.Entry<K, V>>() {
        @Override
        public int compare(Map.Entry<K, V> o1, Map.Entry<K, V> o2) {
            if (asc) {
                return (o1.getValue()).compareTo(o2.getValue());
            } else {
                return (o2.getValue()).compareTo(o1.getValue());
            }
        }
    });

    LinkedHashMap<K, V> result = new LinkedHashMap<>();
    for (Map.Entry<K, V> entry : list) {
        result.put(entry.getKey(), entry.getValue());
    }
    return result;
}

From source file:com.pamarin.income.controller.NormalSettingsCtrl.java

private void sortBySymbolAscending() {
    Collections.sort(currencys, new Comparator<Currency>() {

        @Override/*from w w w  .j a va  2s .  co  m*/
        public int compare(Currency o1, Currency o2) {
            return o1.getSymbol().compareTo(o2.getSymbol());
        }
    });
}

From source file:Main.java

/**
 * Given an un-encoded URI query string, this will return a normalized, properly encoded URI query string.
 * <b>Important:</b> This method uses java's URLEncoder, which returns things that are 
 * application/x-www-form-urlencoded, instead of things that are properly octet-esacped as the URI spec
 * requires.  As a result, some substitutions are made to properly translate space characters to meet the
 * URI spec./*from w w  w  . ja  v a 2s  .co  m*/
 * @param queryString
 * @return
 */
private static String normalizeQueryString(String queryString) throws UnsupportedEncodingException {
    if ("".equals(queryString) || queryString == null)
        return queryString;

    String[] pieces = queryString.split("&");
    HashMap<String, String> kvp = new HashMap<String, String>();
    StringBuffer builder = new StringBuffer("");

    for (int x = 0; x < pieces.length; x++) {
        String[] bs = pieces[x].split("=", 2);
        bs[0] = URLEncoder.encode(bs[0], "UTF-8");
        if (bs.length == 1)
            kvp.put(bs[0], null);
        else {
            kvp.put(bs[0], URLEncoder.encode(bs[1], "UTF-8").replaceAll("\\+", "%20"));
        }
    }

    // Sort the keys alphabetically, ignoring case.
    ArrayList<String> keys = new ArrayList<String>(kvp.keySet());
    Collections.sort(keys, new Comparator<String>() {
        public int compare(String o1, String o2) {
            return o1.compareToIgnoreCase(o2);
        }
    });

    // With the alphabetic list of parameter names, re-build the query string.
    for (int x = 0; x < keys.size(); x++) {
        // Some parameters have no value, and are simply present.  If so, we put null in kvp,
        // and we just put the parameter name, no "=value".
        if (kvp.get(keys.get(x)) == null)
            builder.append(keys.get(x));
        else
            builder.append(keys.get(x) + "=" + kvp.get(keys.get(x)));

        if (x < (keys.size() - 1))
            builder.append("&");
    }

    return builder.toString();
}

From source file:br.edu.ifpb.controllers.SimpleGetPagesController.java

@GetMapping("/home")
public ModelAndView home() {

    ModelAndView mav = new ModelAndView("home");

    List<Topic> topics = topicRepository.findAll();
    Collections.sort(topics, Topic.Comparators.DATA);

    mav.addObject("topics", topics);

    return mav;/*from w ww.j a v a 2s  . c o  m*/

}

From source file:Main.java

private DefaultMutableTreeNode addNodes(DefaultMutableTreeNode curTop, File dir) {
    String curPath = dir.getPath();
    DefaultMutableTreeNode curDir = new DefaultMutableTreeNode(curPath);
    if (curTop != null) {
        curTop.add(curDir);//w  w  w  .ja  v a  2 s  .  c om
    }
    Vector<String> ol = new Vector<String>();
    String[] tmp = dir.list();
    for (int i = 0; i < tmp.length; i++) {
        ol.addElement(tmp[i]);
    }
    Collections.sort(ol, String.CASE_INSENSITIVE_ORDER);
    File f;
    Vector<Object> files = new Vector<Object>();
    for (int i = 0; i < ol.size(); i++) {
        String thisObject = ol.elementAt(i);
        String newPath;
        if (curPath.equals(".")) {
            newPath = thisObject;
        } else {
            newPath = curPath + File.separator + thisObject;
        }
        if ((f = new File(newPath)).isDirectory()) {
            addNodes(curDir, f);
        } else {
            files.addElement(thisObject);
        }
    }
    for (int fnum = 0; fnum < files.size(); fnum++) {
        curDir.add(new DefaultMutableTreeNode(files.elementAt(fnum)));
    }
    return curDir;
}

From source file:com.cladonia.xngreditor.ErrorList.java

public void sortErrorsByLineNumber() {

    Collections.sort(errors, this);

}

From source file:com.agiletec.apsadmin.user.UserFinderAction.java

@Override
public List<UserDetails> getUsers() {
    try {//from w  ww  .j  a  v  a 2s  .  co m
        List<UserDetails> users = this.getUserManager().searchUsers(this.getText());
        BeanComparator comparator = new BeanComparator("username");
        Collections.sort(users, comparator);
        return users;
    } catch (Throwable t) {
        ApsSystemUtils.logThrowable(t, this, "getUsers");
        throw new RuntimeException("Errore in ricerca utenti", t);
    }
}

From source file:net.sf.jabref.model.database.EntrySorter.java

public EntrySorter(List<BibEntry> entries, Comparator<BibEntry> comparator) {
    this.entries = new ArrayList<>(entries);
    Collections.sort(this.entries, comparator);
}

From source file:de.mpg.imeji.presentation.license.LicenseViewer.java

/**
 * Sort the license by the start date/*w  w w  . j a  v  a 2s  .  co m*/
 *
 * @param licenses
 * @return
 */
public List<License> getLicensesSortedByDate(List<License> licenses) {
    final List<License> sorted = new ArrayList<>(licenses);
    Collections.sort(sorted, (l1, l2) -> l1.getStart() > l2.getStart() ? -1 : 1);
    return sorted;

}