us.openinternet.luge.util
Class LugeUtilities

java.lang.Object
  |
  +--us.openinternet.luge.util.LugeUtilities

public class LugeUtilities

extends java.lang.Object

Constructor Summary

LugeUtilities()

Method Summary

static java.util.ArrayList	Array2ArrayList(java.lang.Object[] array) Converts Object[] to an ArrayList.
static java.util.ArrayList	checkRequiredAttrs(java.util.Hashtable ht, java.lang.String[] attrs) This method returns a ArrayList of missing keys from a hashatable.
static java.util.ArrayList	checkRequiredAttrs(PersonVO pvo, java.lang.String[] attrs) This method checks to make sure required attributes are found.
static java.util.Hashtable	cleanHashtable(java.util.Hashtable ht) This method removes null values and blank strings from the keys of Hasthable.
static java.util.ArrayList	Enumeration2ArrayList(java.util.Enumeration e) Converts Enumeration to ArrayList.
static java.util.ArrayList	getDistinct(java.util.ArrayList al) This method returns the distnct members of an Arraylist
static java.lang.String	getUserPassword(int minimumLength, int maximumLength) This method returns a random password
static java.util.ArrayList	GroupIntersection(java.util.ArrayList[] av) This method processes an array of input ArrayLists and determines the common elements.
static java.util.ArrayList	GroupIntersection(java.util.ArrayList v1, java.util.ArrayList v2) This method processes two input ArrayLists and determines the common elements on both.
static java.util.ArrayList	GroupSubtraction(java.util.ArrayList v1, java.util.ArrayList v2) This method processes two input ArrayLists and returns elements that are present on the first ArrayList but not on the second.
static java.util.ArrayList	GroupUnion(java.util.ArrayList groups) This method processes an ArrayList of input ArrayList and determines the union of elements.
static java.util.ArrayList	GroupUnion(java.util.ArrayList[] av) This method processes an array of input ArrayLists and determines the union of elements.
static java.util.ArrayList	GroupUnion(java.util.ArrayList v1, java.util.ArrayList v2) This method processes two input ArrayListss and determines the union of elements on both.
static java.util.ArrayList	lowerCaseArrayList(java.util.ArrayList originalAL) Lowercases all elements of an ArrayList--WARNING: Handles only Strings
static java.util.Hashtable	LowerCaseKeys(java.util.Hashtable h) Returns same Hashtable with keys lowercased.
static java.lang.String	trimPrefix(java.lang.String prefix, java.lang.String text) This method looks for a certain prefix and trims it off if present (otherwise returns the orginal string.)
static java.lang.String	zfill(java.lang.String s, int desiredLength) This method adds zero's in front of an string to make it a certain length

Methods inherited from class java.lang.Object

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

Constructor Detail

LugeUtilities

public LugeUtilities()

Method Detail

Array2ArrayList

public static java.util.ArrayList Array2ArrayList(java.lang.Object[] array)

Converts Object[] to an ArrayList.

Enumeration2ArrayList

public static java.util.ArrayList Enumeration2ArrayList(java.util.Enumeration e)

Converts Enumeration to ArrayList. WARNING:Handles only Strings Returns an ArrayList; NULL if namingEnum is null or empty

LowerCaseKeys

public static java.util.Hashtable LowerCaseKeys(java.util.Hashtable h)

Returns same Hashtable with keys lowercased.

Returns:

fixed Hashtable or empty Hashtable if h is NULL or empty

lowerCaseArrayList

public static java.util.ArrayList lowerCaseArrayList(java.util.ArrayList originalAL)

Lowercases all elements of an ArrayList--WARNING: Handles only Strings

Returns:

ArrayList or empty ArrayList if original ArrayList is null or empty

GroupIntersection

public static java.util.ArrayList GroupIntersection(java.util.ArrayList v1,
                                                    java.util.ArrayList v2)

This method processes two input ArrayLists and determines the common elements on both. It automatically lowercases the elements.

Returns:

ArrayList of Strings (elements) that are available on both.

GroupIntersection

public static java.util.ArrayList GroupIntersection(java.util.ArrayList[] av)

This method processes an array of input ArrayLists and determines the common elements. It automatically lowercases the elements.

Returns:

ArrayList of Strings (elements) that are available on all input ArrayLists.

GroupUnion

public static java.util.ArrayList GroupUnion(java.util.ArrayList v1,
                                             java.util.ArrayList v2)

This method processes two input ArrayListss and determines the union of elements on both.

Returns:

ArrayList of Strings (elements) that are available on both and also those It automatically lowercases the elements. available on each input ArrayList. Duplicate elements are supressed.

GroupUnion

public static java.util.ArrayList GroupUnion(java.util.ArrayList[] av)

This method processes an array of input ArrayLists and determines the union of elements.

Returns:

ArrayList of Strings (elements) that are available on all input ArrayLists and also those available on each input ArrayList. Duplicate elements are supressed. It automatically lowercases the elements.

GroupUnion

public static java.util.ArrayList GroupUnion(java.util.ArrayList groups)

This method processes an ArrayList of input ArrayList and determines the union of elements.

Returns:

ArrayList of Strings (elements) that are available on all input ArrayLists and also those available on each input ArrayList. Duplicate elements are supressed. It automatically lowercases the elements.

GroupSubtraction

public static java.util.ArrayList GroupSubtraction(java.util.ArrayList v1,
                                                   java.util.ArrayList v2)

This method processes two input ArrayLists and returns elements that are present on the first ArrayList but not on the second.

Returns:

ArrayList of Strings (elements). It automatically lowercases the elements.

checkRequiredAttrs

public static java.util.ArrayList checkRequiredAttrs(java.util.Hashtable ht,
                                                     java.lang.String[] attrs)

This method returns a ArrayList of missing keys from a hashatable. Used primarily for internal error checking. Empty Vector means all required attributes are present

checkRequiredAttrs

public static java.util.ArrayList checkRequiredAttrs(PersonVO pvo,
                                                     java.lang.String[] attrs)

This method checks to make sure required attributes are found.

Parameters:

pvo - - PersonVO object to be checked

attrs - - the required attributes you to make sure are present

Returns:

true if all the attributes are found,

cleanHashtable

public static java.util.Hashtable cleanHashtable(java.util.Hashtable ht)

This method removes null values and blank strings from the keys of Hasthable.

zfill

public static java.lang.String zfill(java.lang.String s,
                                     int desiredLength)

This method adds zero's in front of an string to make it a certain length

getUserPassword

public static java.lang.String getUserPassword(int minimumLength,
                                               int maximumLength)

This method returns a random password

Parameters:

minimumLength - - the minimum length that will be returned

maximumLength - - the maximum length that will be returned

getDistinct

public static java.util.ArrayList getDistinct(java.util.ArrayList al)

This method returns the distnct members of an Arraylist

trimPrefix

public static java.lang.String trimPrefix(java.lang.String prefix,
                                          java.lang.String text)

This method looks for a certain prefix and trims it off if present (otherwise returns the orginal string.)