ignore case for attributes names

src/main/java/Common/Archiver/Collector/ArchiverCollector.java

 package Common.Archiver.Collector;
 
-import java.util.Hashtable;
+import java.util.HashMap;
+import java.util.Map;
 
 import fr.esrf.tangoatk.core.ErrorEvent;
 import fr.soleil.commonarchivingapi.ArchivingTools.Diary.ILogger;
@@ -8,7 +9,7 @@ import fr.soleil.hdbtdbArchivingApi.ArchivingTools.Tools.ScalarEvent;
 
 public abstract class ArchiverCollector {
     // This hashtable contains the mode counters by attribute
-    private final Hashtable<String, ModesCounters> m_attributeModeHandlerHastable;
+    private final Map<String, ModesCounters> attributeModeCounterMap = new HashMap<String, ModesCounters>();
     // Diary file
     protected ILogger m_logger;
 
@@ -19,7 +20,6 @@ public abstract class ArchiverCollector {
     protected ModeHandler m_modeHandler;
 
     public ArchiverCollector(ModeHandler modeHandler) {
-	m_attributeModeHandlerHastable = new Hashtable<String, ModesCounters>();
 	m_modeHandler = modeHandler;
     }
 
@@ -28,27 +28,30 @@ public abstract class ArchiverCollector {
     }
 
     /* Allows to indicate to the collector that a new attribute must be managed */
-    protected void addAttribute(String name) {
-	if (m_attributeModeHandlerHastable.containsKey(name)) {
+    protected synchronized void addAttribute(String name) {
+	String lower = name.toLowerCase();
+	if (attributeModeCounterMap.containsKey(lower)) {
 	    m_logger.trace(ILogger.LEVEL_WARNING, "ArchiverCollector.addAttribute : The attribute " + name
 		    + "already exists in the map ==> Counter Re-init");
-	    m_attributeModeHandlerHastable.get(name).init();
+	    attributeModeCounterMap.get(lower).init();
 	} else {
-	    m_attributeModeHandlerHastable.put(name, new ModesCounters());
+	    attributeModeCounterMap.put(lower, new ModesCounters());
 	}
     }
 
     /* Allows to indicate to the collector that an attribute has been stopped */
-    protected void removeAttribute(String name) {
-	if (m_attributeModeHandlerHastable.containsKey(name)) {
-	    m_attributeModeHandlerHastable.remove(name);
+    protected synchronized void removeAttribute(String name) {
+	String lower = name.toLowerCase();
+	if (attributeModeCounterMap.containsKey(lower)) {
+	    attributeModeCounterMap.remove(lower);
 	}
     }
 
     /* Allows to retrieve the ModesCounters object of one attribute */
     protected ModesCounters getModeCounter(String name) {
-	if (m_attributeModeHandlerHastable.containsKey(name)) {
-	    return m_attributeModeHandlerHastable.get(name);
+	String lower = name.toLowerCase();
+	if (attributeModeCounterMap.containsKey(lower)) {
+	    return attributeModeCounterMap.get(lower);
 	}
 
 	return null;