Package com.logicaldoc.util

Class StringUtil

java.lang.Object
com.logicaldoc.util.StringUtil
public class StringUtil extends Object
Some utility methods specialized in string manipulation
Since:
4.5
Author:
Marco Meschieri - LogicalDOC

  • Method Details

    • split

      public static String split(String src, char separator, int tokenSize)
      Splits a string into tokens separated by a separator
      Parameters:
      src - The source string
      separator - The separator character
      tokenSize - Size or each token
      Returns:
      the string with separators

    • split

      public static String[] split(String src, int tokenSize)
      Splits a string into an array of tokens
      Parameters:
      src - The source string
      tokenSize - size of each token
      Returns:
      array of splitted tokens

    • writeToString

      public static String writeToString(Reader reader) throws IOException
      Writes to UFT-8 encoding.
      Parameters:
      reader - the reader over a string
      Returns:
      a string with the contents readed from the reader
      Throws:
      IOException - raised in case the reader failed to read or if the string cannot be written

    • writeToString

      public static String writeToString(Reader reader, String targetEncoding) throws IOException
      Writes the content from the reader in a string encoded as specified.
      Parameters:
      reader - Attention, this will be closed at the end of invocation
      targetEncoding - The output string encoding
      Returns:
      The encoded string
      Throws:
      IOException - raised in case the reader is unable to get the contents

    • writeToString

      public static String writeToString(InputStream is, String targetEncoding) throws IOException
      Throws:
      IOException

    • arrayToString

      public static String arrayToString(Object[] a, String separator)

    • collectionToString

      public static String collectionToString(Collection<?> collection, String separator)

    • removeNonUtf8Chars

      public static String removeNonUtf8Chars(String src)

    • matches

      public static boolean matches(String str, String[] includes, String[] excludes)
      Check if a given string matches the includes and not the excludes
      Parameters:
      str - The string to consider
      includes - list of includes regular expressions
      excludes - list of excludes regular expressions
      Returns:
      true only if the passed string matches the includes and not the excludes

    • unaccent

      public static String unaccent(String src)
      Converts the non latin chars in the nearest ASCII char
      Parameters:
      src - the source string to process
      Returns:
      the unaccented string

    • printFileSize

      public static String printFileSize(long size)
      Formats a file size in human readable form (KB, MB, GB, TB)
      Parameters:
      size - the size to format
      Returns:
      the formatted string

    • printFileSize

      public static String printFileSize(long size, Locale locale)
      Formats a file size in human readable form (KB, MB, GB, TB)
      Parameters:
      size - the size to format
      locale - the locale to use for the separators and decimals
      Returns:
      the formatted string

    • defaultString

      public static String defaultString(String input, String def)
      Returns the default string in case the input is empty or null
      Parameters:
      input - the input string
      def - the default string
      Returns:
      input or default