Example usage for java.util Arrays sort

Introduction

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

Prototype

public static <T> void sort(T[] a, Comparator<? super T> c) 

Source Link

Document

Sorts the specified array of objects according to the order induced by the specified comparator.

Usage

From source file:com.yahoo.platform.yuitest.coverage.results.FileCoverageReport.java

/**
 * Creates the FileFunction objects for the file.
 * @throws org.json.JSONException/*from w w w. j av  a  2  s  . c  om*/
 */
private void createFileFunctions() throws JSONException {
    JSONObject functionData = report1.getJSONObject("functions");
    String[] keys = JSONObject.getNames(functionData);
    functions = new FileFunction[keys.length];

    for (int i = 0; i < keys.length; i++) {
        functions[i] = new FileFunction(keys[i], functionData.optInt(keys[i], -1));
    }

    Arrays.sort(functions, new FileFunctionComparator());
}

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From source file:de.tor.tribes.util.report.ReportManager.java

@Override
public String[] getGroups() {
    String[] groups = super.getGroups();
    Arrays.sort(groups, new Comparator<String>() {

        @Override/*from w w  w . j  a  v a2  s. c  o m*/
        public int compare(String o1, String o2) {
            if (o1.equals(DEFAULT_GROUP) || o1.equals(FARM_SET)) {
                return -1;
            } else if (o2.equals(DEFAULT_GROUP) || o2.equals(FARM_SET)) {
                return 1;
            } else {
                return String.CASE_INSENSITIVE_ORDER.compare(o1, o2);
            }
        }
    });
    return groups;
}

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From source file:SortUtils.java

/**
 * Test method//from  ww  w . ja  v  a 2 s. com
 */
public static void main(String[] args) {
    Comparator cmp = new Comparator() {
        public int compare(Object o1, Object o2) {
            return ((Comparable) o1).compareTo(o2);
        }
    };

    int n = 1000000;
    if (args.length == 1)
        try {
            n = Integer.parseInt(args[0]);
        } catch (Exception e) {
            System.err.println(e);
        }
    System.out.println("Generating " + n + " random integers...");
    java.util.Random random = new java.util.Random();
    Integer[] data = new Integer[n];
    for (int i = 0; i < n; i++) {
        data[i] = new Integer(Math.abs(random.nextInt()));
        //      data[i] = new Integer(i);
    }
    int[] indices;
    long time;

    System.out.print("Arrays.sort...");
    time = System.currentTimeMillis();
    Integer[] clone = (Integer[]) data.clone();
    Arrays.sort(clone, cmp);
    System.out.println(System.currentTimeMillis() - time + "ms");

    System.out.print("quicksort...");
    indices = identity(n);
    time = System.currentTimeMillis();
    sort(indices, data, cmp, false);
    System.out.println(System.currentTimeMillis() - time + "ms");
    for (int i = 1; i < n; i++)
        if (cmp.compare(data[indices[i - 1]], data[indices[i]]) > 0)
            System.err.println("proplem: quickSort at " + i);

    System.out.print("quicksort stable...");
    //    indices = identity(n);
    time = System.currentTimeMillis();
    sort(indices, data, cmp, true);
    System.out.println(System.currentTimeMillis() - time + "ms");
    for (int i = 1; i < n; i++) {
        int res = cmp.compare(data[indices[i - 1]], data[indices[i]]);
        if (res > 0)
            System.err.println("proplem: quickSort stable at " + i);
        if (res == 0 && indices[i - 1] > indices[i])
            System.err.println("proplem: quickSort stable (not stable) at " + i);
    }

    //    System.out.print("cheapsort...");
    //    time = System.currentTimeMillis();
    //    indices = cheapSort(data, cmp);
    //    System.out.println(System.currentTimeMillis()-time + "ms");
    //    for (int i = 1; i < n; i++)
    //      if (cmp.compare(data[indices[i-1]], data[indices[i]]) > 0)
    //        System.err.println("proplem: cheapSort at " + i);

    System.out.print("permutate copy...");
    time = System.currentTimeMillis();
    Object[] data_copy = permute(inverse(indices), data, true);
    System.out.println(System.currentTimeMillis() - time + "ms");
    for (int i = 1; i < n; i++)
        if (cmp.compare(data_copy[i - 1], data_copy[i]) > 0)
            System.err.println("proplem: permute copy at " + i);

    System.out.print("permutate original...");
    time = System.currentTimeMillis();
    permute(inverse(indices), data, false);
    System.out.println(System.currentTimeMillis() - time + "ms");
    for (int i = 1; i < n; i++)
        if (cmp.compare(data[i - 1], data[i]) > 0)
            System.err.println("proplem: permute original at " + i);
}

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From source file:com.walmartlabs.mupd8.application.Config.java

public Config(File directory) throws IOException {
    File[] files = directory.listFiles(new FilenameFilter() {
        @Override// w  ww  .  j av a 2 s  . c  o m
        public boolean accept(File dir, String name) {
            return name.endsWith(".cfg");
        }
    });
    if (files == null) {
        throw new FileNotFoundException("Configuration path " + directory.toString() + " is not a directory.");
    }
    Arrays.sort(files, new Comparator<File>() {
        @Override
        public int compare(File o1, File o2) {
            return o1.getName().compareTo(o2.getName());
        }
    });
    applyFiles(configuration, files);
    workerJSONs = extractWorkerJSONs(configuration);
}

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From source file:com.web.vehiclerouting.optaplanner.common.persistence.AbstractSolutionImporter.java

public void convertAll() {
    File[] inputFiles = inputDir.listFiles();
    Arrays.sort(inputFiles, new ProblemFileComparator());
    for (File inputFile : inputFiles) {
        if (acceptInputFile(inputFile) && acceptInputFileDuringBulkConvert(inputFile)) {
            String inputFileName = inputFile.getName();
            String outputFileName = inputFileName.substring(0,
                    inputFileName.length() - getInputFileSuffix().length()) + getOutputFileSuffix();
            File outputFile = new File(outputDir, outputFileName);
            convert(inputFile, outputFile);
        }//from   ww w  .ja v  a2 s  .  c o m
    }
}

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From source file:com.logsniffer.model.file.WildcardLogSourceTest.java

@Test
public void testLogsResolving() throws IOException {
    File tmp = File.createTempFile("sdkj", "jk");
    tmp.deleteOnExit();// w  ww  .j ava2 s .c om
    File tmpFolder1 = new File(tmp.getPath() + "d", "f1");
    tmpFolder1.mkdirs();
    tmpFolder1.deleteOnExit();
    File tmpFolder2 = new File(tmp.getPath() + "d", "f2");
    tmpFolder2.mkdirs();
    tmpFolder2.deleteOnExit();
    FileUtils.write(new File(tmpFolder1, "1.txt"), "txt");
    FileUtils.write(new File(tmpFolder1, "2.txt"), "txt");
    FileUtils.write(new File(tmpFolder1, "3.log"), "log");
    FileUtils.write(new File(tmpFolder2, "22.txt"), "txt");
    File tmpDir = new File(tmpFolder2, "folder.txt");
    tmpDir.mkdir();
    tmpDir.deleteOnExit();

    // Check now
    WildcardLogsSource source = new WildcardLogsSource();
    source.setPattern(tmp.getPath() + "d/*.txt");
    Assert.assertEquals(0, source.getLogs().size());
    source.setPattern(tmp.getPath() + "d/**/*.txt");
    Log[] logs = source.getLogs().toArray(new Log[0]);
    Assert.assertEquals(3, logs.length);
    Arrays.sort(logs, new Comparator<Log>() {
        @Override
        public int compare(final Log o1, final Log o2) {
            return o1.getPath().compareTo(o2.getPath());
        }
    });
    Assert.assertTrue(logs[0].getPath().endsWith("1.txt"));
    Assert.assertTrue(logs[1].getPath().endsWith("2.txt"));
    Assert.assertTrue(logs[2].getPath().endsWith("22.txt"));
}

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From source file:i2p.bote.web.PeerInfoTag.java

@Override
public void doTag() {
    PageContext pageContext = (PageContext) getJspContext();
    JspWriter out = pageContext.getOut();

    try {/* www  .  j  a v a 2  s .  c om*/
        // Print DHT peer info
        DhtPeerStats dhtStats = I2PBote.getInstance().getDhtStats();
        if (dhtStats == null)
            return;

        int numDhtPeers = dhtStats.getData().size();

        // Get a sorted list of relay peers
        RelayPeer[] relayPeers = I2PBote.getInstance().getRelayPeers().toArray(new RelayPeer[0]);
        Arrays.sort(relayPeers, new Comparator<RelayPeer>() {
            @Override
            public int compare(RelayPeer peer1, RelayPeer peer2) {
                return peer2.getReachability() - peer1.getReachability();
            }
        });

        // Print charts
        out.println("<div class=\"network-charts\">");
        out.println("<div class=\"chart\">");
        out.println("<img src=\"displayChart?filename=" + createDhtChart(dhtStats) + "\"/>");
        out.println("<div class=\"chart-text\">" + numDhtPeers + "</div>");
        out.println("</div>");
        out.println("<div class=\"chart\">");
        out.println("<img src=\"displayChart?filename=" + createRelayChart(relayPeers) + "\"/>");
        out.println("<div class=\"chart-text\">" + relayPeers.length + "</div>");
        out.println("</div>");
        out.println("</div>");
        out.println("<br>");

        out.println("<span class=\"subheading\">" + _t("Kademlia Peers:") + " " + numDhtPeers + "</span>");
        if (numDhtPeers > 0) {
            out.println("<table");

            // header
            out.println("<tr>");
            for (String columnHeader : dhtStats.getHeader())
                out.println("<th>" + columnHeader + "</th>");
            out.println("</tr>");

            // data
            for (List<String> row : dhtStats.getData()) {
                out.println("<tr>");
                for (String cellData : row)
                    out.println("<td class=\"ellipsis\">" + cellData + "</td>");
                out.println("</tr>");
            }

            out.println("</table>");
        }

        out.println("<br/>");

        // Print relay peer info
        out.println("<span class=\"subheading\">" + _t("Relay Peers:") + " " + relayPeers.length + "</span>");
        if (relayPeers.length > 0) {
            out.println("<table");
            out.println("<tr>");
            out.println("<th>" + _t("Peer") + "</th>");
            out.println("<th>" + _t("I2P Destination") + "</th>");
            out.println("<th>" + _t("Reachability %") + "</th>");
            out.println("</tr>");

            int i = 1;
            for (RelayPeer peer : relayPeers) {
                out.println("<tr>");
                out.println("<td>" + i + "</td>");
                out.println("<td class=\"ellipsis\">" + Util.toBase32(peer) + "</td>");
                int reachability = peer.getReachability();
                out.println("<td>" + (reachability == 0 ? _t("Untested") : reachability) + "</td>");
                out.println("</tr>");
                i++;
            }
            out.println("</table>");
        }

        out.println("<br/>");

        // List banned peers
        Collection<BannedPeer> bannedPeers = I2PBote.getInstance().getBannedPeers();
        out.println("<span class=\"subheading\">" + _t("Banned Peers:") + " " + bannedPeers.size() + "</span>");
        if (bannedPeers.size() > 0) {
            out.println("<table>");
            out.println("<tr>");
            out.println("<th>" + _t("Peer") + "</th>");
            out.println("<th>" + _t("Destination Hash") + "</th>");
            out.println("<th>" + _t("Ban Reason") + "</th>");
            out.println("</tr>");

            int peerIndex = 1;
            for (BannedPeer peer : bannedPeers) {
                out.println("<tr>");
                out.println("<td>" + peerIndex++ + "</td>");
                out.println("<td class=\"ellipsis\">" + Util.toBase32(peer.getDestination()) + "</td>");
                out.println("<td>" + (peer.getBanReason() == null ? "" : peer.getBanReason()) + "</td>");
                out.println("</tr>");
            }

            out.println("</table>");
        }
    } catch (IOException e) {
        log.error("Can't write output to HTML page", e);
    }
}

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From source file:com.haulmont.cuba.core.sys.LogControlImpl.java

@Override
public List<String> getLogFileNames() {
    List<String> filenames = new ArrayList<>();
    if (logDir.isDirectory()) {
        File[] files = logDir.listFiles();
        if (files != null) {
            Arrays.sort(files, (a, b) -> Long.compare(b.lastModified(), a.lastModified()));
            for (File f : files) {
                if (f.isFile())
                    filenames.add(f.getName());
            }//from   w  ww  .ja  v  a  2 s .c  o m
        }
    }
    return filenames;
}

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From source file:net.dv8tion.jda.core.utils.cache.impl.SortedSnowflakeCacheView.java

@Nonnull
@Override//from  w w w  .  java  2  s. co  m
@SuppressWarnings("unchecked")
public Iterator<T> iterator() {
    T[] arr = elements.values(emptyArray);
    Arrays.sort(arr, comparator);
    return new ObjectArrayIterator<>(arr);
}

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From source file:com.feedzai.fos.server.remote.impl.RemoteInterfacesTest.java

private void testMatch(Class<?> api, Class<?> remote, int remoteFieldAdditions) {
    Method[] apiMethods = api.getMethods();
    Method[] remoteMethods = remote.getMethods();

    Arrays.sort(apiMethods, buildComparator());
    Arrays.sort(remoteMethods, buildComparator());

    // Checks if @RemoteInterface is different from the class/interface itself.
    assertNotSame(//from   w  w  w.  j  a va 2s  .  com
            String.format("@RemoteInterface cannot be the same for the class name in %s", api.getSimpleName()),
            api, remote);
    // Checks if the remote implementation can be assigned to Remote (i.e. if in the hierarchy extends/implements Remote).
    assertTrue(
            String.format("'%s' does not implement '%s'", remote.getSimpleName(), Remote.class.getSimpleName()),
            Remote.class.isAssignableFrom(remote));

    assertEquals(desc(api, null, "Number of methods matches"), apiMethods.length, remoteMethods.length);

    for (int i = 0; i < apiMethods.length; i++) {
        // Check if the names match
        Method expected = apiMethods[i];
        Method actual = remoteMethods[i];

        assertEquals(desc(api, actual, "Names match"), expected.getName(), actual.getName());
        assertTrue(desc(api, actual, "Number of arguments matches"), expected.getParameterTypes().length
                - actual.getParameterAnnotations().length <= remoteFieldAdditions);

        boolean remoteOrException = false;
        for (Class klass : actual.getExceptionTypes()) {
            remoteOrException = Exception.class.equals(klass) || RemoteException.class.equals(klass);
            if (remoteOrException) {
                break;
            }
        }

        // Checks if remote implementations throw Exception or RemoteException.
        assertTrue(desc(remote, actual,
                String.format("%s does not throw either RemoteException or Exception", actual.getName())),
                remoteOrException);
    }
}

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