case-study/jdt-after/core extension/org/eclipse/jdt/internal/corext/util/TypeNameMatchCollector.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2011 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.jdt.internal.corext.util;
  12
  13 import java.util.Collection;
  14
  15 import org.eclipse.core.runtime.Assert;
  16
  17 import org.eclipse.jdt.core.IAccessRule;
  18 import org.eclipse.jdt.core.JavaCore;
  19 import org.eclipse.jdt.core.search.TypeNameMatch;
  20 import org.eclipse.jdt.core.search.TypeNameMatchRequestor;
  21
  22 public class TypeNameMatchCollector extends TypeNameMatchRequestor {
  23
  24         private final Collection<TypeNameMatch> fCollection;
  25
  26         public TypeNameMatchCollector(Collection<TypeNameMatch> collection) {
  27                 Assert.isNotNull(collection);
  28                 fCollection= collection;
  29         }
  30
  31         private boolean inScope(TypeNameMatch match) {
  32                 if (TypeFilter.isFiltered(match))
  33                         return false;
  34
  35                 int accessibility= match.getAccessibility();
  36                 switch (accessibility) {
  37                         case IAccessRule.K_NON_ACCESSIBLE:
  38                                 return JavaCore.DISABLED.equals(JavaCore.getOption(JavaCore.CODEASSIST_FORBIDDEN_REFERENCE_CHECK));
  39                         case IAccessRule.K_DISCOURAGED:
  40                                 return JavaCore.DISABLED.equals(JavaCore.getOption(JavaCore.CODEASSIST_DISCOURAGED_REFERENCE_CHECK));
  41                         default:
  42                                 return true;
  43                 }
  44         }
  45
  46         /* (non-Javadoc)
  47          * @see org.eclipse.jdt.core.search.TypeNameMatchRequestor#acceptTypeNameMatch(org.eclipse.jdt.core.search.TypeNameMatch)
  48          */
  49         @Override
  50         public void acceptTypeNameMatch(TypeNameMatch match) {
  51                 if (inScope(match)) {
  52                         fCollection.add(match);
  53                 }
  54         }
  55
  56 }