Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / core extension / org / eclipse / jdt / internal / corext / util / TypeNameMatchCollector.java

diff --git a/case-study/jdt-after/core extension/org/eclipse/jdt/internal/corext/util/TypeNameMatchCollector.java b/case-study/jdt-after/core extension/org/eclipse/jdt/internal/corext/util/TypeNameMatchCollector.java
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+++ b/case-study/jdt-after/core extension/org/eclipse/jdt/internal/corext/util/TypeNameMatchCollector.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2011 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.corext.util;
+
+import java.util.Collection;
+
+import org.eclipse.core.runtime.Assert;
+
+import org.eclipse.jdt.core.IAccessRule;
+import org.eclipse.jdt.core.JavaCore;
+import org.eclipse.jdt.core.search.TypeNameMatch;
+import org.eclipse.jdt.core.search.TypeNameMatchRequestor;
+
+public class TypeNameMatchCollector extends TypeNameMatchRequestor {
+
+       private final Collection<TypeNameMatch> fCollection;
+
+       public TypeNameMatchCollector(Collection<TypeNameMatch> collection) {
+               Assert.isNotNull(collection);
+               fCollection= collection;
+       }
+
+       private boolean inScope(TypeNameMatch match) {
+               if (TypeFilter.isFiltered(match))
+                       return false;
+               
+               int accessibility= match.getAccessibility();
+               switch (accessibility) {
+                       case IAccessRule.K_NON_ACCESSIBLE:
+                               return JavaCore.DISABLED.equals(JavaCore.getOption(JavaCore.CODEASSIST_FORBIDDEN_REFERENCE_CHECK));
+                       case IAccessRule.K_DISCOURAGED:
+                               return JavaCore.DISABLED.equals(JavaCore.getOption(JavaCore.CODEASSIST_DISCOURAGED_REFERENCE_CHECK));
+                       default:
+                               return true;
+               }
+       }
+
+       /* (non-Javadoc)
+        * @see org.eclipse.jdt.core.search.TypeNameMatchRequestor#acceptTypeNameMatch(org.eclipse.jdt.core.search.TypeNameMatch)
+        */
+       @Override
+       public void acceptTypeNameMatch(TypeNameMatch match) {
+               if (inScope(match)) {
+                       fCollection.add(match);
+               }
+       }
+
+}