Package dev.hilla.generator

Class GeneratorUtils

  • public final class GeneratorUtils
extends Object
    A set of static methods used in CCDM generators, so as flow do not depend on external libraries for these operations.

    • Method Detail

      • capitalize

        public static String capitalize​(String s)
        Capitalizes the string.
        Parameters:
        s - string to capitalize.
        Returns:
        result of capitalization.

      • compare

        public static int compare​(String s1,
                          String s2)
        Compares two strings lexicographically.
        Parameters:
        s1 - first string.
        s2 - second string.
        Returns:
        result of comparison. Can be -1, 0, 1.
        See Also:
        String.compareTo(java.lang.String)

      • contains

        public static boolean contains​(String s,
                               String p)
        Checks if the string s contains string p with an additional check for them to not be blank.
        Parameters:
        s - a string where search to be performed.
        p - a string to be used for search.
        Returns:
        the result of a check.

      • firstNonBlank

        public static String firstNonBlank​(String... values)
        Searches a first non-blank string in the received arguments.
        Parameters:
        values - a vararg array to search within.
        Returns:
        a result of the search.

      • hasAnnotation

        public static boolean hasAnnotation​(com.github.javaparser.ast.nodeTypes.NodeWithAnnotations<?> declaration,
                                    com.github.javaparser.ast.CompilationUnit compilationUnit,
                                    Class<? extends Annotation> annotation)
        Checks whether the declaration has the specific annotation.
        Parameters:
        declaration - a declaration that is checked to have an annotation.
        compilationUnit - a compilation unit.
        annotation - an annotation to check.
        Returns:
        the result of a check.

      • isBlank

        public static boolean isBlank​(String s)
        Checks if the string contains only whitespaces.
        Parameters:
        s - a string to check.
        Returns:
        a result of a check.

      • isNotBlank

        public static boolean isNotBlank​(String s)
        Checks if the string contains not only whitespaces.
        Parameters:
        s - a string to check.
        Returns:
        a result of a check.

      • isNotTrue

        public static boolean isNotTrue​(Boolean b)
        Checks a value for being not truth (or null).
        Parameters:
        b - a boolean to check.
        Returns:
        a result of a check.

      • isTrue

        public static boolean isTrue​(Boolean b)
        Checks a value for being true with an additional null check.
        Parameters:
        b - a boolean to check for truth.
        Returns:
        a result of a check.

      • removeEnd

        public static String removeEnd​(String s,
                               String p)
        Removes the end of a string.
        Parameters:
        s - a string to remove an end.
        p - an end part of a string.
        Returns:
        a result string.

      • replaceChars

        public static String replaceChars​(String s,
                                  char c1,
                                  char c2)
        Replaces one char with another in a string with an additional null check.
        Parameters:
        s - a string to perform replace within.
        c1 - a char to be replaced.
        c2 - a char to be replacement.
        Returns:
        a result string.

      • substringAfter

        public static String substringAfter​(String s,
                                    String p)
        Gets the substring of an s string that goes after the first entry of the p string.
        Parameters:
        s - a string to get substring of.
        p - a string to be searched.
        Returns:
        a substring.

      • substringAfterLast

        public static String substringAfterLast​(String s,
                                        String p)
        Gets the substring of an s string that goes after the last entry of the p string.
        Parameters:
        s - a string to get substring of.
        p - a string to be searched.
        Returns:
        a substring.

      • substringBeforeLast

        public static String substringBeforeLast​(String s,
                                         String p)
        Gets the substring of an s string that goes before the last entry of the p string.
        Parameters:
        s - a string to get substring of.
        p - a string to be searched.
        Returns:
        a substring.

      • zip

        public static <P1,​P2,​R> Stream<R> zip​(List<P1> first,
                                                  List<P2> second,
                                                  BiFunction<P1,​P2,​R> zipper)
        Runs a lambda against elements of two lists at once.
        Type Parameters:
        P1 - a type of item of a first list.
        P2 - a type of item of a second list.
        R - a type of the streamed result.
        Parameters:
        first - a first list.
        second - a second list.
        zipper - a lambda function that accepts elements from both lists at once.
        Returns:
        a stream with the values zipper produced.