Example usage for java.util.function Predicate test

Introduction

In this page you can find the example usage for java.util.function Predicate test.

Prototype

boolean test(T t);

Source Link

Document

Evaluates this predicate on the given argument.

Usage

From source file:org.talend.dataprep.api.filter.SimpleFilterService.java

private static Predicate<DataSetRow> safeDate(Predicate<DataSetRow> inner) {
    return r -> {
        try {//from w  w w.j a  v a  2s. co  m
            return inner.test(r);
        } catch (DateTimeException e) { // thrown by DateParser
            LOGGER.debug("Unable to parse date.", e);
            return false;
        }
    };
}

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From source file:src.main.java.com.vgorcinschi.assignmentone.utils.StringValidator.java

public static String stringValidator(Predicate<String> cond, Supplier<String> validationMsg, String type,
        Scanner sc) {//from   www.j a  va2 s .  c o m
    String response = null;
    boolean responseReady = false;
    System.out.println("Please enter your " + type);
    while (!responseReady) {
        String unsanitized = sc.nextLine();
        if (!isNotBlank(unsanitized)) {
            log.error("An invalid input has been provided while asking for " + type);
            System.out.println("You cannot enter blank name. Please try again.");
        } else if (ofNullable(cond).isPresent()) {
            if (!cond.test(unsanitized)) {
                log.error("An invalid input has been provided(" + unsanitized + ") " + "while asking for "
                        + type + ". Additional requirements failed: " + validationMsg.get());
                System.out.println(isNotBlank(validationMsg.get()) ? validationMsg.get()
                        : "You haven't "
                                + "meat caller's additional requirements. Unfortunately he hasn't provided "
                                + "any validation details.");
            } else {
                responseReady = true;
                response = unsanitized;
                log.info("A successful response has been provided for " + type + ": " + response);
            }
        } else {
            responseReady = true;
            response = unsanitized;
            log.info("A successful response has been provided for " + type + ": " + response);
        }
    }
    return response;
}

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From source file:at.gridtec.lambda4j.predicate.bi.BiPredicate2.java

/**
 * Creates a {@link BiPredicate2} which uses the {@code first} parameter of this one as argument for the given
 * {@link Predicate}.//from   w  w  w  .  j  a  va2 s.  c om
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code first} parameter of this one
 * @return Creates a {@code BiPredicate2} which uses the {@code first} parameter of this one as argument for the
 * given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiPredicate2<T, U> onlyFirst(@Nonnull final Predicate<? super T> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u) -> predicate.test(t);
}

---

From source file:at.gridtec.lambda4j.predicate.bi.BiPredicate2.java

/**
 * Creates a {@link BiPredicate2} which uses the {@code second} parameter of this one as argument for the given
 * {@link Predicate}.//from  w  w  w .j a va 2 s .co m
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code second} parameter of this one
 * @return Creates a {@code BiPredicate2} which uses the {@code second} parameter of this one as argument for the
 * given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiPredicate2<T, U> onlySecond(@Nonnull final Predicate<? super U> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u) -> predicate.test(u);
}

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From source file:org.nuxeo.common.utils.ZipUtils.java

private static void unzip(ZipInputStream in, File dir, Predicate<ZipEntry> filter,
        Function<String, String> nameFormatter) throws IOException {
    dir.mkdirs();/*w  w w . j  a  v  a2 s  .com*/
    ZipEntry entry;
    while ((entry = in.getNextEntry()) != null) {
        if (!entry.getName().contains("..") && filter.test(entry)) {
            File file = new File(dir, nameFormatter.apply(entry.getName()));
            if (entry.isDirectory()) {
                file.mkdirs();
            } else {
                file.getParentFile().mkdirs();
                try (FileOutputStream output = FileUtils.openOutputStream(file)) {
                    IOUtils.copy(in, output);
                }
            }
        }
    }
}

---

From source file:src.main.java.com.vgorcinschi.assignmenttwo.util.StringValidator.java

public static String stringValidator(Predicate<String> cond, Supplier<String> validationMsg,
        Supplier<String> type, Scanner sc) {
    String response = null;//  w w w  .j a  va 2s.c o m
    boolean responseReady = false;
    System.out.println("Please enter your " + type.get());
    while (!responseReady) {
        String unsanitized = sc.nextLine();
        if (!isNotBlank(unsanitized)) {
            log.error("An invalid input has been provided while asking for " + type.get());
            System.out.println("You cannot enter blank name. Please try again.");
        } else if (ofNullable(cond).isPresent()) {
            if (!cond.test(unsanitized)) {
                log.error("An invalid input has been provided(" + unsanitized + ") " + "while asking for "
                        + type.get() + ". Additional requirements failed: " + validationMsg.get());
                System.out.println(isNotBlank(validationMsg.get()) ? validationMsg.get()
                        : "You haven't "
                                + "meat caller's additional requirements. Unfortunately he hasn't provided "
                                + "any validation details.");
            } else {
                responseReady = true;
                response = unsanitized;
                log.info("A successful response has been provided for " + type.get() + ": " + response);
            }
        } else {
            responseReady = true;
            response = unsanitized;
            log.info("A successful response has been provided for " + type.get() + ": " + response);
        }
    }
    return response;
}

---

From source file:at.gridtec.lambda4j.predicate.tri.TriPredicate.java

/**
 * Creates a {@link TriPredicate} which uses the {@code first} parameter of this one as argument for the given
 * {@link Predicate}./*from  www  .  j a  v a2 s .c o m*/
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param <V> The type of the third argument to the predicate
 * @param predicate The predicate which accepts the {@code first} parameter of this one
 * @return Creates a {@code TriPredicate} which uses the {@code first} parameter of this one as argument for the
 * given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U, V> TriPredicate<T, U, V> onlyFirst(@Nonnull final Predicate<? super T> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, v) -> predicate.test(t);
}

---

From source file:at.gridtec.lambda4j.predicate.tri.TriPredicate.java

/**
 * Creates a {@link TriPredicate} which uses the {@code second} parameter of this one as argument for the given
 * {@link Predicate}./*from  ww  w .j  a v  a2  s . c o  m*/
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param <V> The type of the third argument to the predicate
 * @param predicate The predicate which accepts the {@code second} parameter of this one
 * @return Creates a {@code TriPredicate} which uses the {@code second} parameter of this one as argument for the
 * given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U, V> TriPredicate<T, U, V> onlySecond(@Nonnull final Predicate<? super U> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, v) -> predicate.test(u);
}

---

From source file:at.gridtec.lambda4j.predicate.tri.TriPredicate.java

/**
 * Creates a {@link TriPredicate} which uses the {@code third} parameter of this one as argument for the given
 * {@link Predicate}./* w  w w  . j a  va2s. co  m*/
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param <V> The type of the third argument to the predicate
 * @param predicate The predicate which accepts the {@code third} parameter of this one
 * @return Creates a {@code TriPredicate} which uses the {@code third} parameter of this one as argument for the
 * given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U, V> TriPredicate<T, U, V> onlyThird(@Nonnull final Predicate<? super V> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, v) -> predicate.test(v);
}

---

From source file:password.pwm.util.java.JavaHelper.java

public static long pause(final long sleepTimeMS, final long predicateCheckIntervalMS,
        final Predicate predicate) {
    final long startTime = System.currentTimeMillis();
    final long pauseTime = Math.max(sleepTimeMS, predicateCheckIntervalMS);
    while ((System.currentTimeMillis() - startTime) < sleepTimeMS) {
        JavaHelper.pause(pauseTime);/*from www.j av a  2  s.  co  m*/
        if (predicate.test(null)) {
            break;
        }
    }

    return System.currentTimeMillis() - startTime;
}

---

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