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diff --git a/src/org/biojava/dasobert/feature/FeatureMapComparator.java b/src/org/biojava/dasobert/feature/FeatureMapComparator.java
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+++ b/src/org/biojava/dasobert/feature/FeatureMapComparator.java
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+/*
+ *                    BioJava development code
+ *
+ * This code may be freely distributed and modified under the
+ * terms of the GNU Lesser General Public Licence.  This should
+ * be distributed with the code.  If you do not have a copy,
+ * see:
+ *
+ *      http://www.gnu.org/copyleft/lesser.html
+ *
+ * Copyright for this code is held jointly by the individual
+ * authors.  These should be listed in @author doc comments.
+ *
+ * For more information on the BioJava project and its aims,
+ * or to join the biojava-l mailing list, visit the home page
+ * at:
+ *
+ *      http://www.biojava.org/
+ *
+ * Created on 23.09.2004
+ * @author Andreas Prlic
+ *
+ */
+
+
+package org.biojava.dasobert.feature ;
+
+import java.util.Comparator ;
+import java.util.Map ;
+
+/** a comparator to sort Features if they are still in a Map ( sorts by type )
+ * @author Andreas Prlic
+ */
+
+public class FeatureMapComparator 
+    implements Comparator
+{
+
+    public FeatureMapComparator() {
+    }
+
+    public int compare(Object a, Object b) {
+	Map x = (Map) a;
+	Map y = (Map) b;
+
+	String typea = (String)x.get("TYPE");
+	String typeb = (String)y.get("TYPE");
+	
+	
+
+	if ( isSecstruc(typea) && isSecstruc(typeb)) {
+	    return 0 ;
+	}
+	return typea.compareTo(typeb);
+    }
+
+    public boolean isSecstruc(String type) {
+	if ( type.equals("HELIX") 
+	     ||
+	     type.equals("STRAND") 
+	     ||
+	     type.equals("TURN") 
+	     ) {
+	    return true ;
+	}
+	return false ;
+    }
+
+}