org.apache.tapestry5.test

Class RandomDataSource

java.lang.Object

org.apache.tapestry5.test.RandomDataSource

public final class RandomDataSource
extends 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.

Constructor Summary

Constructors

Constructor and Description
RandomDataSource()

Method Summary

Modifier and Type	Method and Description
String	capitalizedWord() Returns a random word, capitalized.
boolean	maybe(int percent)
<T extends Enum> T	oneOf(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.
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)
String	safeWord() Returns a word that is "safe" for use in an email address.
String	word() Returns a random word frm the dictionary.
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

Constructor Detail

RandomDataSource

public RandomDataSource()

Method Detail

maybe

public boolean maybe(int percent)

random

public int random(int min,
                  int max)

word

public String word()

Returns a random word frm the dictionary. These words are usually all lowercase.

capitalizedWord

public String capitalizedWord()

Returns a random word, capitalized. Useful when create random names.

safeWord

public 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 Enum> T oneOf(Class<T> enumClass)

Returns a random enum value, given the enum type.

wordList

public 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 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