Package org.apache.uima.pear.util

Class StringUtil

java.lang.Object
org.apache.uima.pear.util.StringUtil
public class StringUtil extends Object
The StringUtil class provides utility methods for working with strings.

  • Constructor Details

    • StringUtil

      public StringUtil()

  • Method Details

    • appendProperties

      public static Properties appendProperties(Properties source, Properties plus, boolean override)
      Appends properties specified in a given 'plus' object to a given 'source' object. If the 'override' flag is true, the 'plus' properties will override the 'source' properties with the same name, otherwise the 'source' properties will stay.
      Parameters:
      source - The given 'source' properties object.
      plus - The given 'plus' properties object.
      override - If this flag is true, the 'plus' properties will override the 'source' properties with the same name, otherwise the 'source' properties will stay.
      Returns:
      The properties object, containing both the given 'source' properties and the given 'plus' properties.

    • countWords

      public static int countWords(String text)
      Parameters:
      text - The given string.
      Returns:
      The number of words in a given string.

    • errorStackTraceContent

      public static String errorStackTraceContent(Throwable error)
      Return the content of the stack trace for a given Throwable object.
      Parameters:
      error - The given Throwable object.
      Returns:
      The content of the stack trace for the given error.

    • extractTextFromMarkup

      public static String extractTextFromMarkup(String mString)
      Parameters:
      mString - The given markup string.
      Returns:
      Text extracted from a given markup string.

    • getPlainClassName

      public static String getPlainClassName(Class<?> aClass)
      Returns a plain name (without package name) of a given Java Class.
      Parameters:
      aClass - The given Java Class.
      Returns:
      The plain name (without package name) of the given Java Class.

    • isLowerCase

      public static boolean isLowerCase(String string)
      Parameters:
      string - The given string.
      Returns:
      true, if all characters in a given string are lowercase letters, false otherwise.

    • isUpperCase

      public static boolean isUpperCase(String string)
      Parameters:
      string - The given string.
      Returns:
      true, if all characters in a given string are uppercase letters, false otherwise.

    • indexOfIgnoreCase

      public static int indexOfIgnoreCase(String mainStr, String argStr)
      Parameters:
      mainStr - The given string object.
      argStr - The given string argument.
      Returns:
      If the given string argument occurs as a substring, ignoring case, within the given string object, then the index of the first character of the first such substring is returned; if it does not occur as a substring, -1 is returned.

    • indexOfIgnoreCase

      public static int indexOfIgnoreCase(String mainStr, String argStr, int fromIndex)
      Parameters:
      mainStr - The given string object.
      argStr - The given string argument.
      fromIndex - The index to start the search from.
      Returns:
      If the given string argument occurs as a substring, ignoring case, within the given string object at a starting index no smaller than fromIndex, then the index of the first character of the first such substring is returned; if it does not occur as a substring starting at fromIndex or beyond, -1 is returned.

    • toRegExpReplacement

      public static String toRegExpReplacement(String string)
      Converts a given input string to another string that can be used as a 'replacement' string in the String::replaceAll(String regex, String replacement) method.
      Characters to be escaped are: "\ $".
      Parameters:
      string - The given input string.
      Returns:
      The string that can be used as a 'replacement' string in the String::replaceAll(String regex, String replacement) method.

    • toRegExpString

      public static String toRegExpString(String string)
      Converts a given input string to another string that can be used in all 'regular expression' methods.
      Characters to be escaped are: "\ . $ ^ { [ ( | ) * + ?".
      Parameters:
      string - The given input string.
      Returns:
      The string that can be used in 'regular expression' methods.