InstanceContent (NetBeans APIs) - NetBeans API Javadoc 4.1.0

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org.openide.util.lookup
Class InstanceContent

java.lang.Object
  org.openide.util.lookup.AbstractLookup.Content
      org.openide.util.lookup.InstanceContent

All Implemented Interfaces:: Serializable

public final class InstanceContent
extends AbstractLookup.Content

A special content implementation that can be passed to AbstractLookup and provides methods for registration of instances and lazy instances.

      InstanceContent ic = new InstanceContent ();
      AbstractLookup al = new AbstractLookup (ic);
      
      ic.add (new Object ());
      ic.add (new Dimension (...));

      Dimension theDim = (Dimension)al.lookup (Dimension.class);

Since:: 1.25
See Also:: Serialized Form

Nested Class Summary

static interface InstanceContent.Convertor
          Convertor postpones an instantiation of an object.

Constructor Summary

InstanceContent()
          Create a new, empty content.

Method Summary

void add(Object inst)
          The method to add instance to the lookup with.

void add(Object inst, InstanceContent.Convertor conv)
          The method to add instance to the lookup with.

void remove(Object inst)
          Remove instance.

void remove(Object inst, InstanceContent.Convertor conv)
          Remove instance added with a convertor.

void set(Collection col, InstanceContent.Convertor conv)
          Changes all pairs in the lookup to new values.

Methods inherited from class org.openide.util.lookup.AbstractLookup.Content

addPair, removePair, setPairs

Methods inherited from class java.lang.Object

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

Constructor Detail