com.ds.fw.types.collections
Class FwCollectionUtility

java.lang.Object
  |
  +--com.ds.fw.types.collections.FwCollectionUtility

public class FwCollectionUtility

extends java.lang.Object

This class contains some collection utility methods.

Constructor Summary

FwCollectionUtility()

Method Summary

static boolean	contains(java.util.Iterator i, java.lang.Object o) Checks if the list with given iterator contains an object same as o.
static int	countElements(java.util.Iterator i) Counts elements of the collection with iterator i.
static com.ds.fw.types.FwCodeIF	findCode(java.util.Iterator i, java.lang.String s) Finds an element of a list with iterator i, with the given code s.
static com.ds.fw.types.FwCodeIF	findCode(java.util.List v, java.lang.String s) Finds an element of the List with the given code s.
static com.ds.fw.types.FwIdIF	findId(java.util.Iterator i, java.lang.String id) Finds an element of a list with iterator i, with the given id.
static com.ds.fw.types.FwIdIF	findId(java.util.List v, java.lang.String id) Finds an element of the List with the given id.
static java.lang.Object	get(java.util.Iterator v, int n) Returns the element with index n from a collection with iterator v.
static java.util.Iterator	getCopy(java.util.Iterator i) Makes a deep copy of the colection with iterator i and returns an iterator to the newly created copy.
static java.util.Iterator	newIterator(java.lang.Object e) Creates a new ArrayList, adds the given object and returns an iterator for the newly created array.

Methods inherited from class java.lang.Object

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

Constructor Detail

FwCollectionUtility

public FwCollectionUtility()

Method Detail

findId

public static com.ds.fw.types.FwIdIF findId(java.util.List v,
                                            java.lang.String id)

Finds an element of the List with the given id.

Parameters:

v - the list

id - the id to search for

Returns:

the id if found or null otherwise

See Also:

findId(Iterator,String)

findId

public static com.ds.fw.types.FwIdIF findId(java.util.Iterator i,
                                            java.lang.String id)

Finds an element of a list with iterator i, with the given id.

Parameters:

i - a list iterator

id - the id to search for

Returns:

the id if found or null otherwise

findCode

public static com.ds.fw.types.FwCodeIF findCode(java.util.List v,
                                                java.lang.String s)

Finds an element of the List with the given code s.

Parameters:

v - the list

s - the code to search for

Returns:

the code if found or null otherwise

See Also:

findCode(Iterator,String)

findCode

public static com.ds.fw.types.FwCodeIF findCode(java.util.Iterator i,
                                                java.lang.String s)

Finds an element of a list with iterator i, with the given code s.

Parameters:

i - a list iterator

s - the code to search for

Returns:

the code if found or null otherwise

contains

public static boolean contains(java.util.Iterator i,
                               java.lang.Object o)

Checks if the list with given iterator contains an object same as o.

Parameters:

i - a list iterator

o - the object to search for

Returns:

true or false

newIterator

public static java.util.Iterator newIterator(java.lang.Object e)

Creates a new ArrayList, adds the given object and returns an iterator for the newly created array.

Parameters:

e - the object to add

Returns:

an iterator of the newly created list

get

public static java.lang.Object get(java.util.Iterator v,
                                   int n)

Returns the element with index n from a collection with iterator v.

Parameters:

v - an iterator

n - the index

Returns:

the element if found or null otherwise

getCopy

public static java.util.Iterator getCopy(java.util.Iterator i)

Makes a deep copy of the colection with iterator i and returns an iterator to the newly created copy.

Parameters:

i - an iterator

Returns:

an iterator to the newly created copy

countElements

public static int countElements(java.util.Iterator i)

Counts elements of the collection with iterator i.

Parameters:

i - an iterator

Returns:

the element count