Package de.xima.fc.utils
Class XCollectionUtils
- java.lang.Object
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- de.xima.fc.utils.XCollectionUtils
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public class XCollectionUtils extends Object
Utility class for operations on collections- Since:
- 7.0.0
- Author:
- XIMA Media GmbH
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static <T> T
firstItem(List<T> list)
static <T> T
lastItem(List<T> list)
static <T> List<T>
serializableList(Iterable<T> sequence)
Takes anyCollection
orIterable
and converts it to a serializable list that can be transferred via the API.
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Method Detail
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firstItem
public static <T> T firstItem(List<T> list)
- Type Parameters:
T
- Type of the elements in the list.- Parameters:
list
- List to process.- Returns:
- The first item in the list, or
null
if the list is null or empty, or the first item is null.
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lastItem
public static <T> T lastItem(List<T> list)
- Type Parameters:
T
- Type of the elements in the list.- Parameters:
list
- List to process.- Returns:
- The last item in the list, or
null
if the list is null or empty, or the last item is null.
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serializableList
public static <T> List<T> serializableList(Iterable<T> sequence)
Takes anyCollection
orIterable
and converts it to a serializable list that can be transferred via the API.- Type Parameters:
T
- Type of the list items.- Parameters:
sequence
- A sequence of items to put into a list.- Returns:
- A serializable list with the given items.
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