weave.utils

Class ListUtils

java.lang.Object

weave.utils.ListUtils

public class ListUtils
extends java.lang.Object

ListUtils

Author:

Andy Dufilie

Constructor Summary

Constructors

Constructor and Description
ListUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static <O> java.util.List<O>	copyArrayToList(java.lang.Object inputArray, java.util.List<O> outputList)
static double[]	copyDoubleArray(java.lang.Object[] input, double[] output)
static int[]	copyIntegerArray(java.lang.Object[] input, int[] output)
static java.lang.String[]	copyStringArray(java.lang.Object[] input, java.lang.String[] output)
static int	findIgnoreCase(java.lang.String needle, java.util.List<java.lang.String> haystack)
static int	findIgnoreCase(java.lang.String needle, java.lang.String[] haystack)
static int	findString(java.lang.String needle, java.util.List<java.lang.String> haystack)
static int	findString(java.lang.String needle, java.lang.String[] haystack)
static <T extends java.lang.Comparable<? super T>> T	getFirstSortedItem(java.util.Collection<T> items, T defaultValue)
static <T> T[]	getItems(T[] items, int[] indices)
static java.util.List<java.lang.String>	removeIgnoreCase(java.lang.String needle, java.util.List<java.lang.String> haystack)
static double[]	toDoubleArray(java.util.Collection<java.lang.Double> list)
static double[]	toDoubleArray(java.lang.Double[] list)
static float[]	toFloatArray(java.util.Collection<java.lang.Float> list)
static float[]	toFloatArray(java.lang.Float[] list)
static int[]	toIntArray(java.util.Collection<java.lang.Integer> list)
static int[]	toIntArray(java.lang.Integer[] list)
static java.lang.Object[]	toObjectArray(java.util.Collection<java.lang.Object> list)
static java.lang.String[]	toStringArray(java.util.Collection<java.lang.String> list)

Methods inherited from class java.lang.Object

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

Constructor Detail

ListUtils

public ListUtils()

Method Detail

getItems

public static <T> T[] getItems(T[] items,
               int[] indices)

copyArrayToList

public static <O> java.util.List<O> copyArrayToList(java.lang.Object inputArray,
                                    java.util.List<O> outputList)

copyIntegerArray

public static int[] copyIntegerArray(java.lang.Object[] input,
                     int[] output)

copyDoubleArray

public static double[] copyDoubleArray(java.lang.Object[] input,
                       double[] output)

copyStringArray

public static java.lang.String[] copyStringArray(java.lang.Object[] input,
                                 java.lang.String[] output)

toIntArray

public static int[] toIntArray(java.lang.Integer[] list)

toFloatArray

public static float[] toFloatArray(java.lang.Float[] list)

toDoubleArray

public static double[] toDoubleArray(java.lang.Double[] list)

toIntArray

public static int[] toIntArray(java.util.Collection<java.lang.Integer> list)

toFloatArray

public static float[] toFloatArray(java.util.Collection<java.lang.Float> list)

toDoubleArray

public static double[] toDoubleArray(java.util.Collection<java.lang.Double> list)

toStringArray

public static java.lang.String[] toStringArray(java.util.Collection<java.lang.String> list)

toObjectArray

public static java.lang.Object[] toObjectArray(java.util.Collection<java.lang.Object> list)

findString

public static int findString(java.lang.String needle,
             java.lang.String[] haystack)

Parameters:

needle - A String to find with String.equals().

haystack - A list of String objects to search.

Returns:

The index of the first matching String, or -1 if it did not match anything in the List.

findString

public static int findString(java.lang.String needle,
             java.util.List<java.lang.String> haystack)

Parameters:

needle - A String to find with String.equals().

haystack - A list of String objects to search.

Returns:

The index of the first matching String, or -1 if it did not match anything in the List.

findIgnoreCase

public static int findIgnoreCase(java.lang.String needle,
                 java.lang.String[] haystack)

findIgnoreCase

public static int findIgnoreCase(java.lang.String needle,
                 java.util.List<java.lang.String> haystack)

Parameters:

needle - A String to find with String.equalsIgnoreCase().

haystack - A list of String objects to search.

Returns:

The index of the first matching String, or -1 if it did not match anything in the List.

removeIgnoreCase

public static java.util.List<java.lang.String> removeIgnoreCase(java.lang.String needle,
                                                java.util.List<java.lang.String> haystack)

Parameters:

needle - A String to find with findIgnoreCase().

haystack - A list of String objects to search.

Returns:

The list with the first matching element removed, if it was found with findIgnoreCase().

getFirstSortedItem

public static <T extends java.lang.Comparable<? super T>> T getFirstSortedItem(java.util.Collection<T> items,
                                                               T defaultValue)