1 files changed, 0 insertions, 157 deletions
diff --git a/plugins/org.eclipse.jst.j2ee.core/j2ee-validation/org/eclipse/jst/j2ee/model/internal/validation/DuplicatesTable.java b/plugins/org.eclipse.jst.j2ee.core/j2ee-validation/org/eclipse/jst/j2ee/model/internal/validation/DuplicatesTable.java
deleted file mode 100644
index 710eca5e9..000000000
--- a/plugins/org.eclipse.jst.j2ee.core/j2ee-validation/org/eclipse/jst/j2ee/model/internal/validation/DuplicatesTable.java
+++ /dev/null
@@ -1,157 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2005 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.jst.j2ee.model.internal.validation;
-
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * In some places in the code, it is necessary to find out if there
- * are duplicates in a list, and if there are, to register a validation
- * message against the duplicates. This class is used to make finding
- * the duplicates easier.
- */
-public class DuplicatesTable extends java.util.HashMap {
-	/**
-	 * 
-	 */
-	private static final long serialVersionUID = -3189901849555229718L;
-	protected static final Boolean UNIQUE = Boolean.FALSE;
-	protected static final Boolean DUPLICATE = Boolean.TRUE;
-	protected Map _duplicates = null;
-
-	/**
-	 * Add an object to this table; if the object is a duplicate, it will be
-	 * marked to a duplicate instead of being added twice to the table.
-	 */
-	public void add(Object o) {
-		// Build up hashtable to check for duplicate elements.
-		Object key = get(o);
-		if (key == null) {
-			put(o, UNIQUE);
-		}
-		else {
-			saveDuplicate(o);
-			put(o, DUPLICATE);
-		}
-	}
-
-	protected void saveDuplicate(Object o) {
-		// The given object has been marked a duplicate.
-		// Given that the HashMap can store only one object with the key, 
-		// duplicates are overwritten. This method stores the duplicates
-		// elsewhere in a List.
-		if (_duplicates == null) {
-			_duplicates = new HashMap();
-		}
-
-		List dupList = (List) _duplicates.get(o);
-		if (dupList == null) {
-			dupList = new ArrayList();
-		}
-
-		dupList.add(o);
-		_duplicates.put(o, dupList);
-	}
-
-	/**
-	 * If there are duplicates in this table, return true; else, return false.
-	 */
-	public boolean containsDuplicates() {
-		return containsValue(DUPLICATE);
-	}
-	
-	/**
-	 * If there are unique elements in this table, return true; else, return false.
-	 */
-	public boolean containsUniques() {
-		return containsValue(UNIQUE);
-	}
-	
-	/**
-	 * If there are duplicates in this table, return a set of the duplicates.
-	 * Otherwise, return an empty set.
-	 */
-	public List getDuplicates() {
-		if (!containsDuplicates()) {
-			return Collections.EMPTY_LIST;
-		}
-
-		// Else, get the duplicate elements from the list
-		return getElements(DUPLICATE);
-	}
-	
-	/**
-	 * If there are duplicates in this table, return a list of the duplicates.
-	 * Otherwise, return an empty list.
-	 */
-	private List getElements(Boolean type) {
-		if (type == null) {
-			return Collections.EMPTY_LIST;
-		}
-
-		// Else, get the duplicate elements from the list
-		Set keys = keySet();
-		if (keys == null) {
-			return Collections.EMPTY_LIST;
-		}
-
-		List elements = new ArrayList();
-		Iterator iterator = keys.iterator();
-		while (iterator.hasNext()) {
-			Object key = iterator.next();
-			Object value = get(key);
-			if (value == type) {
-				elements.add(key);
-			}
-		}
-
-		if (type == DUPLICATE) {
-			// Also add the elements from the "duplicates" list.
-			if (_duplicates != null) {
-				iterator = _duplicates.values().iterator();
-				while (iterator.hasNext()) {
-					List dupList = (List) iterator.next();
-					elements.addAll(dupList);
-				}
-			}
-		}
-
-		return elements;
-	}
-	
-	/**
-	 * If there are unique elements in this table, return a set of the unique elements.
-	 * Otherwise, return an empty set.
-	 */
-	public List getUniques() {
-		if (!containsUniques()) {
-			return Collections.EMPTY_LIST;
-		}
-
-		// Else, get the unique elements from the list
-		return getElements(UNIQUE);
-	}
-
-	@Override
-	public void clear() {
-		super.clear();
-		if(_duplicates != null) {
-			_duplicates.clear();
-		}
-	}
-}