Package org.apache.tapestry5.test

Class RandomDataSource

  • public final class RandomDataSource
extends java.lang.Object
    Provides access to random data that can be used when populating a test database with "reasonable" data. The majority of this is access to random words from an american english dictionary, which can be strung together to form names, sentences and paragraphs.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String capitalizedWord()
      Returns a random word, capitalized.
      boolean maybe​(int percent)  
      <T extends java.lang.Enum>
      T      		 oneOf​(java.lang.Class<T> enumClass)
      Returns a random enum value, given the enum type.
      <T> T oneOf​(T... values)
      Returns a random value from the list of values supplied.
      java.lang.String paragraph​(int minSentences, int maxSentences, int minWords, int maxWords)
      Strings together a random number of word lists (in sentence form) to create something that looks like a paragraph.
      int random​(int min, int max)  
      java.lang.String safeWord()
      Returns a word that is "safe" for use in an email address.
      java.lang.String word()
      Returns a random word frm the dictionary.
      java.lang.String wordList​(int minWords, int maxWords, boolean asSentence)
      Creates a space-separated list of random words.

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • maybe

        public boolean maybe​(int percent)

      • random

        public int random​(int min,
                  int max)

      • word

        public java.lang.String word()
        Returns a random word frm the dictionary. These words are usually all lowercase.

      • capitalizedWord

        public java.lang.String capitalizedWord()
        Returns a random word, capitalized. Useful when create random names.

      • safeWord

        public java.lang.String safeWord()
        Returns a word that is "safe" for use in an email address.

      • oneOf

        public <T> T oneOf​(T... values)
        Returns a random value from the list of values supplied.

      • oneOf

        public <T extends java.lang.Enum> T oneOf​(java.lang.Class<T> enumClass)
        Returns a random enum value, given the enum type.

      • wordList

        public java.lang.String wordList​(int minWords,
                                 int maxWords,
                                 boolean asSentence)
        Creates a space-separated list of random words. If in sentence form, then the first word is capitalized, and a period is appended.
        Parameters:
        minWords - minimun number of words in the list
        maxWords - maximum number of words in the list
        asSentence - if true, the output is "dressed up" as a non-sensical sentence
        Returns:
        the word list / sentence

      • paragraph

        public java.lang.String paragraph​(int minSentences,
                                  int maxSentences,
                                  int minWords,
                                  int maxWords)
        Strings together a random number of word lists (in sentence form) to create something that looks like a paragraph.
        Parameters:
        minSentences - per paragraph
        maxSentences - per paragraph
        minWords - per sentence
        maxWords - per sentence
        Returns:
        the random paragraph