Package org.eclipse.xtext.xbase.lib

Class StringExtensions

  • @GwtCompatible
public class StringExtensions
extends java.lang.Object
    This is an extension library for strings.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static boolean isNullOrEmpty​(java.lang.String s)
      Returns true if s is null or equal to the empty String "".
      static java.lang.String operator_plus​(java.lang.String a, java.lang.Object b)
      The binary + operator that concatenates a string and the string reprentation of an object.
      static java.lang.String operator_plus​(java.lang.String a, java.lang.String b)
      The binary + operator that concatenates two strings.
      static java.lang.String toFirstLower​(java.lang.String s)
      Returns the String s with an lower case first character.
      static java.lang.String toFirstUpper​(java.lang.String s)
      Returns the String s with an upper case first character.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • StringExtensions

        public StringExtensions()

    • Method Detail

      • operator_plus

        @Pure
public static java.lang.String operator_plus​(java.lang.String a,
                                             java.lang.Object b)
        The binary + operator that concatenates a string and the string reprentation of an object.
        Parameters:
        a - a string.
        b - an object.
        Returns:
        a + b

      • operator_plus

        @Pure
public static java.lang.String operator_plus​(java.lang.String a,
                                             java.lang.String b)
        The binary + operator that concatenates two strings.
        Parameters:
        a - a string.
        b - another string.
        Returns:
        a + b
        Since:
        2.5

      • isNullOrEmpty

        @Pure
public static boolean isNullOrEmpty​(java.lang.String s)
        Returns true if s is null or equal to the empty String "".
        Parameters:
        s - the string
        Returns:
        true if s is null or equal to the empty String ""

      • toFirstUpper

        @Pure
public static java.lang.String toFirstUpper​(java.lang.String s)
        Returns the String s with an upper case first character. This function is null-safe.
        Parameters:
        s - the string that should get an upper case first character. May be null.
        Returns:
        the String s with an upper case first character or null if the input String s was null.

      • toFirstLower

        @Pure
public static java.lang.String toFirstLower​(java.lang.String s)
        Returns the String s with an lower case first character. This function is null-safe.
        Parameters:
        s - the string that should get an lower case first character. May be null.
        Returns:
        the String s with an lower case first character or null if the input String s was null.