Package com.gargoylesoftware.base.util

Class StringUtil

java.lang.Object
com.gargoylesoftware.base.util.StringUtil
public class StringUtil extends Object
A collection of utility methods dealing with strings
Version:
$Revision: 1.3 $

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
    private
    StringUtil()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    private static void
    assertNotNull(String fieldName, Object object)
     
    static String
    expandTabs(String inputString, int numberOfSpaces)
    Expand each tab character into the specified numbers of spaces.
    static String
    join(byte[] array, String separator)
    Create a string based on all the objects in the array separated by the separator string.
    static String
    join(double[] array, String separator)
    Create a string based on all the objects in the array separated by the separator string.
    static String
    join(float[] array, String separator)
    Create a string based on all the objects in the array separated by the separator string.
    static String
    join(int[] array, String separator)
    Create a string based on all the objects in the array separated by the separator string.
    static String
    join(long[] array, String separator)
    Create a string based on all the objects in the array separated by the separator string.
    static String
    join(Object[] array, String separator)
    Create a string based on all the objects in the array separated by the separator string.
    static String
    join(Collection collection, String separator)
    Create a string based on all the objects in the collection separated by the separator string.
    private static String
    joinArray(Object array, String separator)
    Create a string based on all the objects in the array separated by the separator string.
    static String
    nCopies(int copyCount, char charToCopy)
    Return a string containing the specified number of charToCopy
    static String
    replace(String sourceString, String match, String replace)
    Perform text substitutions in the source string
    static String[]
    split(String line, String separator)
    Split the specified line into strings, spliting at each instance of separator.
    static String[]
    splitAtFirst(String line, String separator)
    Split the specified line into two strings, spliting at the first instance of separator.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • StringUtil

      private StringUtil()

  • Method Details

    • expandTabs

      public static String expandTabs(String inputString, int numberOfSpaces)
      Expand each tab character into the specified numbers of spaces.
      Parameters:
      inputString - The string to be expanded.
      numberOfSpaces - The number of space characters to be used for each substitution.
      Returns:
      The new string with expanded tabs.

    • nCopies

      public static String nCopies(int copyCount, char charToCopy)
      Return a string containing the specified number of charToCopy
      Parameters:
      copyCount - The number of times to copy the character.
      charToCopy - The character that will be copied.
      Returns:
      The new string.

    • joinArray

      private static String joinArray(Object array, String separator)
      Create a string based on all the objects in the array separated by the separator string.
      Parameters:
      array - The items that will be concatenated together
      separator - The separator string.
      Returns:
      The new concatenated string.

    • join

      public static String join(int[] array, String separator)
      Create a string based on all the objects in the array separated by the separator string.
      Parameters:
      array - The items that will be concatenated together
      separator - The separator string.
      Returns:
      The new concatenated string.

    • join

      public static String join(long[] array, String separator)
      Create a string based on all the objects in the array separated by the separator string.
      Parameters:
      array - The items that will be concatenated together
      separator - The separator string.
      Returns:
      The new concatenated string.

    • join

      public static String join(float[] array, String separator)
      Create a string based on all the objects in the array separated by the separator string.
      Parameters:
      array - The items that will be concatenated together
      separator - The separator string.
      Returns:
      The new concatenated string.

    • join

      public static String join(double[] array, String separator)
      Create a string based on all the objects in the array separated by the separator string.
      Parameters:
      array - The items that will be concatenated together
      separator - The separator string.
      Returns:
      The new concatenated string.

    • join

      public static String join(byte[] array, String separator)
      Create a string based on all the objects in the array separated by the separator string.
      Parameters:
      array - The items that will be concatenated together
      separator - The separator string.
      Returns:
      The new concatenated string.

    • join

      public static String join(Object[] array, String separator)
      Create a string based on all the objects in the array separated by the separator string.
      Parameters:
      array - The items that will be concatenated together
      separator - The separator string.
      Returns:
      The new concatenated string.

    • join

      public static String join(Collection collection, String separator)
      Create a string based on all the objects in the collection separated by the separator string.
      Parameters:
      collection - The collection containing the objects to join
      separator - The separator string.
      Returns:
      The new concatenated string.

    • splitAtFirst

      public static String[] splitAtFirst(String line, String separator)
      Split the specified line into two strings, spliting at the first instance of separator.
      Parameters:
      line - The line to be split.
      separator - The separator that will be used to split the string.
      Returns:
      An array containing the two strings.

    • split

      public static String[] split(String line, String separator)
      Split the specified line into strings, spliting at each instance of separator.
      Parameters:
      line - The line to be split.
      separator - The separator that will be used to split the string.
      Returns:
      An array containing the strings

    • replace

      public static String replace(String sourceString, String match, String replace)
      Perform text substitutions in the source string
      Parameters:
      sourceString - The original string
      match - The string to replace
      replace - The new content to replace with
      Returns:
      A new string with all the substitutions done

    • assertNotNull

      private static void assertNotNull(String fieldName, Object object)