Remove dependency of org.fortiss.af3.component.ui to org.fortiss.af3.mira by

generalize RequirementSpecificationUtils.removeRequirementSpecifications() to 
BaseModelElementUtils.removeModelElementReferenceSpecifications()
  
refs 2240

org.fortiss.tooling.base/trunk/src/org/fortiss/tooling/base/utils/BaseModelElementUtils.java

@@ -17,6 +17,7 @@ $Id: codetemplates.xml 1 2011-01-01 00:00:01Z hoelzl $
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.base.utils;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
@@ -24,6 +25,8 @@ import java.util.List;
 import org.fortiss.tooling.base.model.element.IHiddenSpecification;
 import org.fortiss.tooling.base.model.element.IHierarchicElement;
 import org.fortiss.tooling.base.model.element.IHierarchicElementContainer;
+import org.fortiss.tooling.base.model.element.IModelElement;
+import org.fortiss.tooling.base.model.element.IModelElementReference;
 import org.fortiss.tooling.base.model.element.IModelElementSpecification;
 
 /**
@@ -34,7 +37,7 @@ import org.fortiss.tooling.base.model.element.IModelElementSpecification;
  * @author hoelzl
  * @author $Author: hoelzl $
  * @version $Rev: 18709 $
- * @ConQAT.Rating GREEN Hash: 2BEBFE8DEC071DDDD0A4604E579E8C8B
+ * @ConQAT.Rating YELLOW Hash: 7965F91B651358DF88F4429359C5EB59
  */
 public class BaseModelElementUtils {
 
@@ -70,4 +73,43 @@ public class BaseModelElementUtils {
 		}
 		return -1;
 	}
+
+	/**
+	 * Removes {@link IModelElementSpecification}s of a {@link IModelElement} that represent a
+	 * {@link IModelElementReference}s to another model element.
+	 * 
+	 * @param modelElement
+	 *            the {@link IModelElement} of which to remove the
+	 *            {@link IModelElementSpecification}s
+	 *            representing {@link IModelElementReference}s.
+	 * 
+	 * @return Whether the {@link IModelElementSpecification}s representing
+	 *         {@link IModelElementReference} have been removed, i.e. if the model has been
+	 *         modified.
+	 */
+	public static boolean removeModelElementReferenceSpecifications(IModelElement modelElement) {
+		List<IModelElementSpecification> modelElementReferenceSpecifications =
+				findModelElementReferenceSpecifications((modelElement).getSpecifications());
+
+		boolean modelElementReferenceSpecificationsRemoved =
+				!modelElement.getSpecifications().isEmpty();
+
+		modelElement.getSpecifications().removeAll(modelElementReferenceSpecifications);
+
+		return modelElementReferenceSpecificationsRemoved;
+	}
+
+	/**
+	 * Finds all {@link IModelElementSpecification}s of a {@link IModelElement} that represent a
+	 * {@link IModelElementReference}s to another model element.
+	 */
+	private static List<IModelElementSpecification> findModelElementReferenceSpecifications(
+			Collection<IModelElementSpecification> specifications) {
+		List<IModelElementSpecification> result = new ArrayList<IModelElementSpecification>();
+		for(IModelElementSpecification specification : specifications) {
+			if(specification instanceof IModelElementReference)
+				result.add(specification);
+		}
+		return result;
+	}
 }