Package org.apache.uima.pear.util

Class StringUtil

  • public class StringUtil
extends java.lang.Object
    The StringUtil class provides utility methods for working with strings.

    • Constructor Summary

      Constructors 
      Constructor Description
      StringUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.util.Properties appendProperties​(java.util.Properties source, java.util.Properties plus, boolean override)
      Appends properties specified in a given 'plus' object to a given 'source' object.
      static int countWords​(java.lang.String text)  
      static java.lang.String errorStackTraceContent​(java.lang.Throwable error)
      Return the content of the stack trace for a given Throwable object.
      static java.lang.String extractTextFromMarkup​(java.lang.String mString)  
      static java.lang.String getPlainClassName​(java.lang.Class<?> aClass)
      Returns a plain name (without package name) of a given Java Class.
      static int indexOfIgnoreCase​(java.lang.String mainStr, java.lang.String argStr)  
      static int indexOfIgnoreCase​(java.lang.String mainStr, java.lang.String argStr, int fromIndex)  
      static boolean isLowerCase​(java.lang.String string)  
      static boolean isUpperCase​(java.lang.String string)  
      static java.lang.String toRegExpReplacement​(java.lang.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.
      static java.lang.String toRegExpString​(java.lang.String string)
      Converts a given input string to another string that can be used in all 'regular expression' methods.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • StringUtil

        public StringUtil()

    • Method Detail

      • appendProperties

        public static java.util.Properties appendProperties​(java.util.Properties source,
                                                    java.util.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​(java.lang.String text)
        Parameters:
        text - The given string.
        Returns:
        The number of words in a given string.

      • errorStackTraceContent

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

      • getPlainClassName

        public static java.lang.String getPlainClassName​(java.lang.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​(java.lang.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​(java.lang.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​(java.lang.String mainStr,
                                    java.lang.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​(java.lang.String mainStr,
                                    java.lang.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 java.lang.String toRegExpReplacement​(java.lang.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 java.lang.String toRegExpString​(java.lang.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.