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package org.eclipse.jst.jsf.facelet.core.internal.cm.strategy;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.eclipse.wst.xml.core.internal.contentmodel.CMNamedNodeMap;
import org.eclipse.wst.xml.core.internal.contentmodel.CMNode;
/*package*/ class InternalNamedNodeMap implements CMNamedNodeMap
{
private final List<CMNode> _nodes = new ArrayList<CMNode>();
/**
* Add a node to the map. This is not on the CMNamedNodeMap and is used
* to populate the map.
*
* @param node
*/
public void add(final CMNode node)
{
_nodes.add(node);
}
public int getLength()
{
return _nodes.size();
}
public CMNode getNamedItem(final String name)
{
for (final CMNode foundNode : _nodes)
{
if (name.equals(foundNode.getNodeName()))
{
return foundNode;
}
}
return null;
}
public CMNode item(final int index)
{
if (index < _nodes.size())
{
return _nodes.get(index);
}
return null;
}
public Iterator<?> iterator()
{
return Collections.unmodifiableList(_nodes).iterator();
}
/**
* A null instance object for InternalNamedNodeMap
*
*/
public static class NullInternalNamedNodeMap extends InternalNamedNodeMap
{
@Override
public void add(final CMNode node)
{
// do nothing
}
@Override
public int getLength()
{
// always empty
return 0;
}
@Override
public CMNode getNamedItem(final String name)
{
return null;
}
@Override
public CMNode item(final int index)
{
return null;
}
@Override
public Iterator<?> iterator()
{
return Collections.EMPTY_LIST.iterator();
}
}
}
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