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diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/iaik/config/AbstractObservableConfiguration.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/iaik/config/AbstractObservableConfiguration.java
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+++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/iaik/config/AbstractObservableConfiguration.java
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+/*
+ * Copyright 2003 Federal Chancellery Austria
+ * MOA-SPSS has been developed in a cooperation between BRZ, the Federal
+ * Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+
+package at.gv.egovernment.moa.spss.server.iaik.config;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import iaik.pki.store.observer.NotificationData;
+import iaik.pki.store.observer.Observable;
+import iaik.pki.store.observer.Observer;
+
+/**
+ * A base class for observable configuration data.
+ * 
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public abstract class AbstractObservableConfiguration implements Observable {
+
+  /** The observers registered with this <code>Observable</code>. */
+  private List observers = new ArrayList();
+
+  /**
+   * @see iaik.pki.store.observer.Observable#addObserver(iaik.pki.store.observer.Observer)
+   */
+  public void addObserver(Observer observer) {
+    observers.add(observer);
+  }
+
+  /**
+   * @see iaik.pki.store.observer.Observable#removeObserver(iaik.pki.store.observer.Observer)
+   */
+  public boolean removeObserver(Observer observer) {
+    return observers.remove(observer);
+  }
+
+  /**
+   * @see iaik.pki.store.observer.Observable#notify(iaik.pki.store.observer.NotificationData)
+   */
+  public void notify(NotificationData data) {
+    Iterator iter = observers.iterator();
+
+    for (iter = observers.iterator(); iter.hasNext();) {
+      Observer observer = (Observer) iter.next();
+      observer.notify(data);
+    }
+  }
+  
+}