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java.lang.Object org.apache.commons.collections.list.TypedList
public class TypedList
Decorates another List
to validate that elements
added are of a specific type.
The validation of additions is performed via an instanceof test against
a specified Class
. If an object cannot be added to the
collection, an IllegalArgumentException is thrown.
Constructor Summary | |
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protected |
TypedList()
Restrictive constructor. |
Method Summary | |
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static java.util.List |
decorate(java.util.List list,
java.lang.Class type)
Factory method to create a typed list. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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protected TypedList()
Method Detail |
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public static java.util.List decorate(java.util.List list, java.lang.Class type)
If there are any elements already in the list being decorated, they are validated.
list
- the list to decorate, must not be nulltype
- the type to allow into the collection, must not be null
java.lang.IllegalArgumentException
- if list or type is null
java.lang.IllegalArgumentException
- if the list contains invalid elements
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