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:Main.java

DefaultMutableTreeNode addNodes(DefaultMutableTreeNode curTop, File dir) {
    DefaultMutableTreeNode curDir = new DefaultMutableTreeNode(dir);
    if (curTop != null) {
        curTop.add(curDir);/*from w w w . jav  a2  s .  com*/
    }
    File[] tmp = dir.listFiles();
    Vector<File> ol = new Vector<File>();
    ol.addAll(Arrays.asList(tmp));
    Collections.sort(ol, new Comparator<File>() {
        @Override
        public int compare(File o1, File o2) {
            int result = o1.getName().compareTo(o2.getName());
            if (o1.isDirectory() && o2.isFile()) {
                result = -1;
            } else if (o2.isDirectory() && o1.isFile()) {
                result = 1;
            }
            return result;
        }
    });
    for (int i = 0; i < ol.size(); i++) {
        File file = ol.elementAt(i);
        DefaultMutableTreeNode node = new DefaultMutableTreeNode(file);
        if (file.isDirectory()) {
            addNodes(node, file);
        }
        curDir.add(node);
    }
    return curDir;
}

From source file:com.gantzgulch.sharing.controller.SharedFilesController.java

@RequestMapping(method = RequestMethod.GET)
public ModelAndView doGet() throws Exception {
    List<SharedFile> sharedFiles = sharedFileManager.findAll();
    Collections.sort(sharedFiles, new SharedFile.UploadDateComparator(true));
    return new ModelAndView(".files", "files", sharedFiles);
}

From source file:net.paoding.rose.jade.statement.DefaultInterpreterFactory.java

public synchronized void addInterpreter(Interpreter interpreter) {
    if (!ArrayUtils.contains(this.interpreters, interpreter)) {
        ArrayList<Interpreter> interpreters = new ArrayList<Interpreter>(this.interpreters.length + 1);
        interpreters.add(interpreter);//from   ww  w . ja  va  2s .  co m
        Collections.sort(interpreters, new InterpreterComparator());
        this.interpreters = interpreters.toArray(new Interpreter[0]);
    }
}

From source file:models.TimelineItemTest.java

@Test
public void desc() {
    // When
    Collections.sort(list, TimelineItem.DESC);

    // Then
    assertThat(list).containsExactly(third, second, first);
}

From source file:net.geertvos.gossip.core.Md5HashProvider.java

@Override
public String hashCluster(Collection<GossipClusterMember> members) {
    List<GossipClusterMember> sortedMembers = new ArrayList<GossipClusterMember>(members);
    Collections.sort(sortedMembers, comperator);

    StringBuilder stringBuilder = new StringBuilder();
    for (ClusterMember member : sortedMembers) {
        stringBuilder.append(member.getId() + "|");
    }/*from w ww  . j  a v  a  2 s .  c  o  m*/

    byte[] bytes = stringBuilder.toString().getBytes(charset);
    byte[] digest = digester.digest(bytes);
    byte[] encoded = Base64.encodeBase64(digest);
    return new String(encoded, charset);
}

From source file:uk.co.onehp.trickle.dao.HibernateBetDao.java

@Override
public Bet getNextBet() {
    List<Bet> bets = incompleteBets();
    Collections.sort(bets, new Comparator<Bet>() {

        @Override//from  w  ww.java  2  s .c  o  m
        public int compare(Bet o1, Bet o2) {
            int mostSeconds1 = DateUtil.getMostSeconds(o1.getUnprocessedTimings());
            int mostSeconds2 = DateUtil.getMostSeconds(o2.getUnprocessedTimings());
            return o1.getHorse().getRace().getStartTime().minusSeconds(mostSeconds1)
                    .compareTo(o2.getHorse().getRace().getStartTime().minusSeconds(mostSeconds2));
        }
    });
    return bets.size() > 0 ? bets.get(0) : null;
}

From source file:org.macula.cart.demo.service.impl.DemoApplicationServiceImpl.java

@Override
public List<DemoApplication> getAllApplications() {
    List<DemoApplication> result = new ArrayList<DemoApplication>(demoApplicationRepository.findAll());
    Collections.sort(result, new Comparator<DemoApplication>() {

        @Override//  w ww . j a v  a2s  .c  o m
        public int compare(DemoApplication o1, DemoApplication o2) {
            int result = o1.getAppGroup().compareTo(o2.getAppGroup());
            return result != 0 ? result : o1.getAppId().compareToIgnoreCase(o2.getAppId());
        }
    });
    return result;
}

From source file:gov.nih.nci.cabig.caaers.web.table.SortRowsCallbackImpl.java

public Collection sortRows(TableModel model, Collection rows) throws Exception {
    boolean sorted = model.getLimit().isSorted();

    if (!sorted) {
        return rows;
    }//  w  ww.j  a  v  a  2 s  .c  o  m

    Sort sort = model.getLimit().getSort();
    String property = sort.getProperty();
    String sortOrder = sort.getSortOrder();

    if (StringUtils.contains(property, ".")) {
        try {
            if (sortOrder.equals(TableConstants.SORT_ASC)) {
                Collections.sort((List) rows, new NullSafeBeanComparator(property, new NullStringComparator()));
            } else if (sortOrder.equals(TableConstants.SORT_DESC)) {
                NullSafeBeanComparator reversedNaturalOrderBeanComparator = new NullSafeBeanComparator(property,
                        new ReverseComparator(new NullStringComparator()));
                Collections.sort((List) rows, reversedNaturalOrderBeanComparator);
            }
        } catch (NoClassDefFoundError e) {
            String msg = "The column property [" + property
                    + "] is nested and requires BeanUtils 1.7 or greater for proper sorting.";
            logger.error(msg);
            throw new NoClassDefFoundError(msg); //just rethrow so it is not hidden
        }
    } else {
        if (sortOrder.equals(TableConstants.SORT_ASC)) {
            BeanComparator comparator = new BeanComparator(property, new NullStringComparator());
            Collections.sort((List) rows, comparator);
        } else if (sortOrder.equals(TableConstants.SORT_DESC)) {
            BeanComparator reversedNaturalOrderBeanComparator = new BeanComparator(property,
                    new ReverseComparator(new NullStringComparator()));
            Collections.sort((List) rows, reversedNaturalOrderBeanComparator);
        }
    }

    return rows;
}

From source file:net.sourceforge.fenixedu.presentationTier.renderers.providers.ExecutionCoursesForExamCoordinator.java

@Override
public Object provide(Object source, Object currentValue) {
    ConvokeBean bean = (ConvokeBean) source;
    ExamCoordinator coordinator = bean.getExamCoordinator();
    List<ExecutionCourse> courses = coordinator.getAssociatedExecutionCourses();

    Collections.sort(courses, new BeanComparator("nome"));
    return courses;
}

From source file:me.math.kdtree.KDTree.java

/**
 * /*w ww .  ja v  a  2 s. c  o  m*/
 * @param aList
 */
public KDTree(List<AbstractSpatialGridPoint> aList, INodeCreator creator) {
    comparator_ = new GridComparator(INode.Direction.XLAT);
    Collections.sort(aList, comparator_);

    root_ = insertNode(aList, INode.Direction.XLAT, root_, 0, creator);
}