Examples with Formatter java.util.Formatter used on opensource projects

Example 1 with Formatter

use of java.util.Formatter in project lucida by claritylab.

the class HierarchicalClassifierTrainer method prettyPrintCM.

private String prettyPrintCM(Evaluation.Matrix matrix, String[] classes) {
    double[][] values = matrix.values;
    String[] classAbb = new String[classes.length];
    StringBuilder res = new StringBuilder();
    Formatter formatter = new Formatter(res, Locale.US);
    int max = 0;
    for (int i = 0; i < classes.length; i++) {
        classAbb[i] = classes[i].replaceAll("\\B(.{1,2}).*?(.)\\b", "$1$2");
        if (classAbb[i].length() > max)
            max = classAbb[i].length();
    }
    max++;
    String formatStr = "%-" + max + "s";
    formatter.format(formatStr, "");
    for (int i = 0; i < classes.length; i++) {
        formatter.format(formatStr, classAbb[i]);
    }
    res.append("\n\n");
    for (int i = 0; i < classes.length; i++) {
        formatter.format(formatStr, classAbb[i]);
        for (int j = 0; j < classes.length; j++) {
            formatter.format(formatStr, Double.toString(values[i][j]));
        }
        res.append("\n\n");
    }
    return res.toString();
}

Example 2 with Formatter

use of java.util.Formatter in project hadoop by apache.

the class StoragePolicySummary method toString.

public String toString() {
    StringBuilder compliantBlocksSB = new StringBuilder();
    compliantBlocksSB.append("\nBlocks satisfying the specified storage policy:");
    compliantBlocksSB.append("\nStorage Policy                  # of blocks       % of blocks\n");
    StringBuilder nonCompliantBlocksSB = new StringBuilder();
    Formatter compliantFormatter = new Formatter(compliantBlocksSB);
    Formatter nonCompliantFormatter = new Formatter(nonCompliantBlocksSB);
    NumberFormat percentFormat = NumberFormat.getPercentInstance();
    percentFormat.setMinimumFractionDigits(4);
    percentFormat.setMaximumFractionDigits(4);
    for (Map.Entry<StorageTypeAllocation, Long> storageComboCount : sortByComparator(storageComboCounts)) {
        double percent = (double) storageComboCount.getValue() / (double) totalBlocks;
        StorageTypeAllocation sta = storageComboCount.getKey();
        if (sta.policyMatches()) {
            compliantFormatter.format("%-25s %10d  %20s%n", sta.getStoragePolicyDescriptor(), storageComboCount.getValue(), percentFormat.format(percent));
        } else {
            if (nonCompliantBlocksSB.length() == 0) {
                nonCompliantBlocksSB.append("\nBlocks NOT satisfying the specified storage policy:");
                nonCompliantBlocksSB.append("\nStorage Policy                  ");
                nonCompliantBlocksSB.append("Specified Storage Policy      # of blocks       % of blocks\n");
            }
            nonCompliantFormatter.format("%-35s %-20s %10d  %20s%n", sta.getStoragePolicyDescriptor(), sta.getSpecifiedStoragePolicy().getName(), storageComboCount.getValue(), percentFormat.format(percent));
        }
    }
    if (nonCompliantBlocksSB.length() == 0) {
        nonCompliantBlocksSB.append("\nAll blocks satisfy specified storage policy.\n");
    }
    compliantFormatter.close();
    nonCompliantFormatter.close();
    return compliantBlocksSB.toString() + nonCompliantBlocksSB;
}

Example 3 with Formatter

use of java.util.Formatter in project android_frameworks_base by ParanoidAndroid.

the class DateUtils method formatElapsedTime.

/**
     * Formats an elapsed time in a format like "MM:SS" or "H:MM:SS" (using a form
     * suited to the current locale), similar to that used on the call-in-progress
     * screen.
     *
     * @param recycle {@link StringBuilder} to recycle, or null to use a temporary one.
     * @param elapsedSeconds the elapsed time in seconds.
     */
public static String formatElapsedTime(StringBuilder recycle, long elapsedSeconds) {
    // Break the elapsed seconds into hours, minutes, and seconds.
    long hours = 0;
    long minutes = 0;
    long seconds = 0;
    if (elapsedSeconds >= 3600) {
        hours = elapsedSeconds / 3600;
        elapsedSeconds -= hours * 3600;
    }
    if (elapsedSeconds >= 60) {
        minutes = elapsedSeconds / 60;
        elapsedSeconds -= minutes * 60;
    }
    seconds = elapsedSeconds;
    // Create a StringBuilder if we weren't given one to recycle.
    // TODO: if we cared, we could have a thread-local temporary StringBuilder.
    StringBuilder sb = recycle;
    if (sb == null) {
        sb = new StringBuilder(8);
    } else {
        sb.setLength(0);
    }
    // Format the broken-down time in a locale-appropriate way.
    // TODO: use icu4c when http://unicode.org/cldr/trac/ticket/3407 is fixed.
    Formatter f = new Formatter(sb, Locale.getDefault());
    initFormatStrings();
    if (hours > 0) {
        return f.format(sElapsedFormatHMMSS, hours, minutes, seconds).toString();
    } else {
        return f.format(sElapsedFormatMMSS, minutes, seconds).toString();
    }
}

Example 4 with Formatter

use of java.util.Formatter in project android_frameworks_base by ParanoidAndroid.

the class StaticLayoutDirectionsTest method testDirections.

// @SmallTest
public void testDirections() {
    StringBuilder buf = new StringBuilder("\n");
    Formatter f = new Formatter(buf);
    LayoutBuilder b = StaticLayoutTest.builder();
    for (int i = 0; i < texts.length; ++i) {
        b.setText(pseudoBidiToReal(texts[i]));
        checkDirections(b.build(), i, b.text, expected, f);
    }
    if (buf.length() > 1) {
        fail(buf.toString());
    }
}

Example 5 with Formatter

use of java.util.Formatter in project neo4j by neo4j.

the class DefaultUdcInformationCollector method determineMacAddress.

private String determineMacAddress() {
    String formattedMac = "0";
    try {
        InetAddress address = InetAddress.getLocalHost();
        NetworkInterface ni = NetworkInterface.getByInetAddress(address);
        if (ni != null) {
            byte[] mac = ni.getHardwareAddress();
            if (mac != null) {
                StringBuilder sb = new StringBuilder(mac.length * 2);
                Formatter formatter = new Formatter(sb);
                for (byte b : mac) {
                    formatter.format("%02x", b);
                }
                formattedMac = sb.toString();
            }
        }
    } catch (Throwable t) {
    //
    }
    return formattedMac;
}