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The source code/* * Sun Public License Notice * * The contents of this file are subject to the Sun Public License * Version 1.0 (the "License"). You may not use this file except in * compliance with the License. A copy of the License is available at * http://www.sun.com/ * * The Original Code is NetBeans. The Initial Developer of the Original * Code is Sun Microsystems, Inc. Portions Copyright 1997-2001 Sun * Microsystems, Inc. All Rights Reserved. */ package org.netbeans.modules.java.bridge; import java.util.*; import java.lang.ref.*; import org.openide.src.Identifier; /** * * @author sdedic * @version */ class IdentContextSupport extends Object { Map identifierSet; public IdentContextSupport(int capacity) { identifierSet = new HashMap(capacity * 4 / 3); } public Identifier create(Identifier id, int status) { Reference refV = (Reference)identifierSet.get(id.getSourceName()); if (refV != null) { Identifier oldID = (Identifier)refV.get(); if (oldID != null) { if (oldID.getResolutionStatus() == status && oldID.getFullName() == id.getFullName()) // exactly the same identifier with a matching status. return oldID; } } if (id.getResolutionStatus() != status) { id = Identifier.create(id.getFullName(), id.getSourceName(), status); } identifierSet.put(id.getSourceName(), new WeakReference(id)); return id; } public boolean checkContext(Identifier id) { Reference refV = (Reference)identifierSet.get(id); if (refV == null) return false; Identifier x = (Identifier)refV.get(); return x == id; } } |
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