Example usage for com.google.common.base CharMatcher javaLetterOrDigit

Introduction

In this page you can find the example usage for com.google.common.base CharMatcher javaLetterOrDigit.

Prototype

public static CharMatcher javaLetterOrDigit() 

Source Link

Document

Determines whether a character is a letter or digit according to Character#isLetterOrDigit(char) Java's definition .

Usage

From source file:com.google.devtools.moe.client.parser.Term.java

private static String quote(String s) {
    if (CharMatcher.javaLetterOrDigit().matchesAllOf(s)) {
        return s;
    }//  w  ww.  j av  a  2s  .  c  o m
    return "\"" + s + "\"";
}

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From source file:app.data.validator.UserInfoValidator.java

public int checkPasswordStrength(String password) {
    // ? ([a-zA-Z0-9\\.,;]){6,}
    int strength = (password == null || password.length() < 6 || password.length() > 24) ? 0
            : CharMatcher.anyOf(".,;").or(CharMatcher.javaLetterOrDigit()).negate().indexIn(password);
    if (strength >= 0) {
        return -1;
    }//www  .  j a  va  2  s  .  c om

    strength = CharMatcher.digit().indexIn(password) >= 0 ? 1 : 0;
    strength += CharMatcher.anyOf(".,;").indexIn(password) >= 0 ? 1 : 0;
    strength += CharMatcher.javaLowerCase().indexIn(password) >= 0 ? 1 : 0;
    strength += CharMatcher.javaUpperCase().indexIn(password) >= 0 ? 1 : 0;
    return strength;
}

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From source file:com.google.gerrit.server.config.ListCapabilities.java

private static boolean isPluginNameSane(String pluginName) {
    return CharMatcher.javaLetterOrDigit().or(CharMatcher.is('-')).matchesAllOf(pluginName);
}

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From source file:app.data.validator.UserInfoValidator.java

public boolean checkUserId(String userId) {
    // ? ([a-zA-Z0-9]){3,}
    int strength = (userId == null || userId.length() < 3 || userId.length() > 24) ? 0
            : CharMatcher.javaLetterOrDigit().negate().indexIn(userId);
    return strength < 0;
}

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From source file:org.apache.beam.sdk.transforms.reflect.ByteBuddyOnTimerInvokerFactory.java

/**
 * Generates a {@link OnTimerInvoker} class for the given {@link DoFnSignature} and {@link
 * TimerId}./*from w  ww  .  j  av a  2s. c o m*/
 */
private static Class<? extends OnTimerInvoker<?, ?>> generateOnTimerInvokerClass(DoFnSignature signature,
        String timerId) {
    Class<? extends DoFn<?, ?>> fnClass = signature.fnClass();

    final TypeDescription clazzDescription = new TypeDescription.ForLoadedType(fnClass);

    final String suffix = String.format("%s$%s$%s", OnTimerInvoker.class.getSimpleName(),
            CharMatcher.javaLetterOrDigit().retainFrom(timerId),
            BaseEncoding.base64().omitPadding().encode(timerId.getBytes()));

    DynamicType.Builder<?> builder = new ByteBuddy()
            // Create subclasses inside the target class, to have access to
            // private and package-private bits
            .with(StableInvokerNamingStrategy.forDoFnClass(fnClass).withSuffix(suffix))

            // class <invoker class> implements OnTimerInvoker {
            .subclass(OnTimerInvoker.class, ConstructorStrategy.Default.NO_CONSTRUCTORS)

            //   private final <fn class> delegate;
            .defineField(FN_DELEGATE_FIELD_NAME, fnClass, Visibility.PRIVATE, FieldManifestation.FINAL)

            //   <invoker class>(<fn class> delegate) { this.delegate = delegate; }
            .defineConstructor(Visibility.PUBLIC).withParameter(fnClass).intercept(new InvokerConstructor())

            //   public invokeOnTimer(DoFn.ArgumentProvider) {
            //     this.delegate.<@OnTimer method>(... pass the right args ...)
            //   }
            .method(ElementMatchers.named("invokeOnTimer"))
            .intercept(new InvokeOnTimerDelegation(clazzDescription, signature.onTimerMethods().get(timerId)));

    DynamicType.Unloaded<?> unloaded = builder.make();

    @SuppressWarnings("unchecked")
    Class<? extends OnTimerInvoker<?, ?>> res = (Class<? extends OnTimerInvoker<?, ?>>) unloaded
            .load(ByteBuddyOnTimerInvokerFactory.class.getClassLoader(), ClassLoadingStrategy.Default.INJECTION)
            .getLoaded();
    return res;
}

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From source file:com.google.gerrit.server.project.PutConfig.java

private static boolean isValidParameterName(String name) {
    return CharMatcher.javaLetterOrDigit().or(CharMatcher.is('-')).matchesAllOf(name) && !name.startsWith("-");
}

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From source file:com.facebook.buck.jvm.java.JavaFileParser.java

private static boolean looksLikeAType(String str) {
    Iterable<String> parts = Splitter.on('.').split(str);
    Iterator<String> iter = parts.iterator();
    boolean hasPartThatStartsWithUppercaseLetter = false;
    while (iter.hasNext()) {
        String part = iter.next();
        Preconditions.checkState(!part.isEmpty(), "Dot delimited string should not have an empty segment: '%s'",
                str);//  www  .  j av  a2  s  .  co m

        // Don't let it start with a digit?
        if (!CharMatcher.javaLetterOrDigit().matchesAllOf(part)) {
            return false;
        } else if (!hasPartThatStartsWithUppercaseLetter) {
            hasPartThatStartsWithUppercaseLetter = CharMatcher.javaUpperCase().matches(part.charAt(0));
        }
    }
    return hasPartThatStartsWithUppercaseLetter;
}

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