Example usage for com.google.common.base Strings padStart

Introduction

In this page you can find the example usage for com.google.common.base Strings padStart.

Prototype

public static String padStart(String string, int minLength, char padChar) 

Source Link

Document

Returns a string, of length at least minLength , consisting of string prepended with as many copies of padChar as are necessary to reach that length.

Usage

From source file:benchmarkio.controlcenter.LaunchRocket.java

@VisibleForTesting
public static String createMessage(final double msgSizeInKB) {
    final int msgSizeInBytes = (int) (msgSizeInKB * 1024);
    // Java chars are 2 bytes
    final int msgSizeInChars = msgSizeInBytes / 2;
    final String message = Strings.padStart("", msgSizeInChars, 'a');

    return message;
}

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From source file:org.rf.ide.core.executor.ArgumentsFile.java

File writeToTemporaryOrUseAlreadyExisting() throws IOException {
    final String content = generateContent();
    // it's deprecated although we don't need security here, so md5 is fine
    @SuppressWarnings("deprecation")
    final HashFunction md5Hasher = Hashing.md5();
    final HashCode hash = md5Hasher.hashString(content, Charsets.UTF_8);

    final String fileName = "args_" + Strings.padStart(Integer.toHexString(hash.asInt()), 8, '0') + ".arg";
    final Path dir = RobotRuntimeEnvironment.createTemporaryDirectory();

    for (final File existingArgFile : dir.toFile().listFiles((d, name) -> name.equals(fileName))) {
        final HashCode candidateHash = md5Hasher
                .hashString(Files.asCharSource(existingArgFile, Charsets.UTF_8).read(), Charsets.UTF_8);
        if (hash.equals(candidateHash)) {
            return existingArgFile;
        }/* w w  w . j  a v  a2 s .com*/
    }

    final File filePath = dir.resolve(fileName).toFile();
    writeTo(filePath);
    return filePath;
}

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From source file:org.eclipse.xtext.formatting2.debug.TextRegionListToString.java

@Override
public String toString() {
    int offsetDigits = 0;
    int lengthDigits = 0;
    for (Item item : items) {
        if (item.region != null) {
            int lengthD = String.valueOf(item.region.getLength()).length();
            if (lengthDigits < lengthD)
                lengthDigits = lengthD;/*from w ww  .  ja  va2 s .  c  om*/
            int lengthO = String.valueOf(item.region.getOffset()).length();
            if (offsetDigits < lengthO)
                offsetDigits = lengthO;
        }
    }
    List<String> result = Lists.newArrayListWithExpectedSize(items.size());
    String prefix = Strings.repeat(" ", offsetDigits + lengthDigits + 2);
    for (Item item : items) {
        String[] lines = item.text.split("\n");
        if (item.region != null) {
            String offset = Strings.padStart(String.valueOf(item.region.getOffset()), offsetDigits, ' ');
            String length = Strings.padStart(String.valueOf(item.region.getLength()), lengthDigits, ' ');
            if (lines.length == 1) {
                result.add(offset + " " + length + " " + lines[0]);
            } else {
                String offsetSpace = Strings.repeat(" ", offsetDigits);
                String lengthSpace = Strings.repeat(" ", lengthDigits);
                for (int i = 0; i < lines.length; i++) {
                    String first = i == 0 ? offset : offsetSpace;
                    String second = i == lines.length - 1 ? length : lengthSpace;
                    result.add(first + " " + second + " " + lines[i]);
                }
            }
        } else if (item.indented) {
            for (int i = 0; i < lines.length; i++)
                result.add(prefix + lines[i]);
        } else {
            for (int i = 0; i < lines.length; i++)
                result.add(lines[i]);
        }
    }
    return Joiner.on("\n").join(result);
}

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From source file:org.eclipse.xtend.core.UnicodeTerminalsGenerator.java

public static StringWriter generateUnicodeRules(final Function1<? super Integer, ? extends Boolean> guard) {
    Character prev = null;//ww  w. j  ava 2  s .c  o m
    boolean run = false;
    boolean first = true;
    char c = Character.MIN_VALUE;
    final StringWriter result = new StringWriter();
    final PrintWriter printer = new PrintWriter(result, true);
    while ((c != Character.MAX_VALUE)) {
        {
            Boolean _apply = guard.apply(Integer.valueOf(((int) c)));
            if ((_apply).booleanValue()) {
                if ((!run)) {
                    prev = Character.valueOf(c);
                    run = true;
                }
            } else {
                if (run) {
                    if ((!first)) {
                        printer.print("| ");
                    } else {
                        printer.print("  ");
                        first = false;
                    }
                    String _padStart = Strings.padStart(Integer.toHexString((prev).charValue()).toUpperCase(),
                            4, '0');
                    String _plus = ("\'\\u" + _padStart);
                    String _plus_1 = (_plus + "\'");
                    printer.print(_plus_1);
                    char _charValue = prev.charValue();
                    boolean _equals = (_charValue == (c - 1));
                    if (_equals) {
                        printer.println();
                    } else {
                        String _padStart_1 = Strings.padStart(Integer.toHexString((c - 1)).toUpperCase(), 4,
                                '0');
                        String _plus_2 = ("..\'\\u" + _padStart_1);
                        String _plus_3 = (_plus_2 + "\'");
                        printer.println(_plus_3);
                    }
                    prev = null;
                    run = false;
                }
            }
            c = ((char) (c + 1));
        }
    }
    return result;
}

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From source file:net.sourceforge.cilib.functions.discrete.BitStringMatcher.java

/**
 * {@inheritDoc}/*www .  j  av a2 s . c  o m*/
 */
@Override
public Integer apply(Vector input) {
    if (this.targetRandomString == null) {
        this.numberOfBits = input.size();

        BigInteger bi = new BigInteger(this.numberOfBits, new RandomAdaptor(new MersenneTwister()));
        this.targetRandomString = Strings.padStart(bi.toString(2), numberOfBits, '0');
    }

    int result = 0;

    for (int i = 0; i < input.size(); i++) {
        boolean bitValue = (this.targetRandomString.charAt(i) == '1') ? true : false;

        if (input.booleanValueOf(i) == bitValue) {
            result++;
        }
    }

    return result;
}

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From source file:org.osiam.resource_server.storage.helper.NumberPadder.java

/**
 * Adds an offset and padding to a number
 *
 * @param value//from   ww w.  j  a va 2  s  .  com
 *            the number as {@link String}
 * @return the padded string with the added offset.
 */
public String pad(String value) {
    String integralPart = value;
    String fractionalPart = "";

    if (value.contains(".")) {
        int indexOfDecimalSeparator = value.indexOf('.');
        integralPart = value.substring(0, indexOfDecimalSeparator);
        fractionalPart = value.substring(indexOfDecimalSeparator);
    }

    // The max allowed length of the integral part depends on the presence of a '-' as first character.
    // If it is present 21 characters are allowed, otherwise 20 (This is done by applying indexOf magic).
    if (integralPart.length() > (PAD_LENGTH + integralPart.indexOf('-'))) {
        throw new IllegalArgumentException("The given value has more than " + (PAD_LENGTH - 1) + " digits.");
    }

    integralPart = new BigInteger(integralPart).add(BIG_OFFSET).toString();
    integralPart = Strings.padStart(integralPart, PAD_LENGTH, '0');

    return integralPart + fractionalPart;
}

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From source file:org.fenixedu.treasury.domain.paymentcodes.PaymentReferenceCode.java

protected void init(final String referenceCode, final LocalDate beginDate, final LocalDate endDate,
        final PaymentReferenceCodeStateType state, PaymentCodePool pool, BigDecimal minAmount,
        BigDecimal maxAmount) {/* w w w.  j av  a2 s  . co  m*/
    setReferenceCode(Strings.padStart(referenceCode, LENGTH_REFERENCE_CODE, '0'));
    setBeginDate(beginDate);
    setEndDate(endDate);
    setState(state);
    setPaymentCodePool(pool);
    setMinAmount(minAmount);
    setMaxAmount(maxAmount);
    checkRules();
}

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From source file:android.support.test.espresso.util.HumanReadables.java

/**
 * Prints out an error message feature the view hierarchy starting at the rootView.
 *
 * @param rootView the root of the hierarchy tree to print out.
 * @param problemViews list of the views that you would like to point out are causing the error
 *        message or null, if you want to skip this feature.
 * @param errorHeader the header of the error message (should contain the description of why the
 *        error is happening)./*from  www. j  a v a 2s  .  c  o m*/
 * @param problemViewSuffix the message to append to the view description in the tree printout.
 *        Required if problemViews is supplied. Otherwise, null is acceptable.
 * @return a string for human consumption.
 */
public static String getViewHierarchyErrorMessage(View rootView, final List<View> problemViews,
        String errorHeader, final String problemViewSuffix) {
    Preconditions.checkArgument(problemViews == null || problemViewSuffix != null);
    StringBuilder errorMessage = new StringBuilder(errorHeader);
    if (problemViewSuffix != null) {
        errorMessage.append(String.format("\nProblem views are marked with '%s' below.", problemViewSuffix));
    }

    errorMessage.append("\n\nView Hierarchy:\n");

    Joiner.on("\n").appendTo(errorMessage, Iterables.transform(depthFirstViewTraversalWithDistance(rootView),
            new Function<ViewAndDistance, String>() {
                @Override
                public String apply(ViewAndDistance viewAndDistance) {
                    String formatString = "+%s%s ";
                    if (problemViews != null && problemViews.contains(viewAndDistance.getView())) {
                        formatString += problemViewSuffix;
                    }
                    formatString += "\n|";

                    return String.format(formatString,
                            Strings.padStart(">", viewAndDistance.getDistanceFromRoot() + 1, '-'),
                            HumanReadables.describe(viewAndDistance.getView()));
                }
            }));

    return errorMessage.toString();
}

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From source file:com.facebook.buck.debug.TraceEvent.java

/**
 * Return the sec.ms part of time (if time = "20:06:11.566", "11.566")
 *
 * @param time The time in milliseconds.
 * @return A formatted string as "sec.ms".
 */// w ww  . j a  v a 2s.c  om
static String formatTime(long time) {
    String sec = String.valueOf(Math.max(0, (time / 1000) % 60));
    String ms = String.valueOf(Math.max(time % 1000, 0));
    return Strings.padStart(sec, 2, '0') + '.' + Strings.padStart(ms, 3, '0');
}

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From source file:com.davidbracewell.wordnet.io.properties.InformationContentLoader.java

@Override
public void load(WordNetDB db) {
    Counter<String> ic = Counters.newHashMapCounter();
    Counter<WordNetPOS> roots = Counters.newHashMapCounter();
    for (String line : resource) {
        line = line.trim();/*from  w ww. ja  va  2  s. c  om*/
        if (StringUtils.isNullOrBlank(line) || line.startsWith("wnver")) {
            continue;
        }
        String[] parts = line.split("\\s+");
        String key = parts[0];
        double cnt = Double.parseDouble(parts[1]);
        ic.set(key, cnt);
        if (parts.length == 3 && parts[2].equalsIgnoreCase("ROOT")) {
            roots.increment(WordNetPOS.fromString(key.substring(key.length() - 1)), cnt);
        }
    }
    for (String key : ic.items()) {
        Synset synset = db.idToSynsetMap.get(Strings.padStart(key, 9, '0').toLowerCase());
        setProperty(synset, propertyName, new InformationContent(ic.get(key) / roots.get(synset.getPOS())));
    }
}

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