1 files changed, 84 insertions, 0 deletions
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/Configurator.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/Configurator.java
new file mode 100644
index 000000000..617b16f82
--- /dev/null
+++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/Configurator.java
@@ -0,0 +1,84 @@
+/*
+ * 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.api;
+
+import org.apache.commons.discovery.tools.DiscoverClass;
+
+import at.gv.egovernment.moa.spss.MOAException;
+
+/**
+ * Configures the SP/SS API.
+ * 
+ * Also handles dynamic configuration updates. 
+ * 
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public abstract class Configurator {
+
+  /** The default implementation class. */
+  private static final String DEFAULT_IMPLEMENTATION =
+    "at.gv.egovernment.moa.spss.server.init.ConfiguratorImpl";
+
+  /** The single instance of this class. */
+  private static Configurator instance = null;
+
+  public static synchronized Configurator getInstance() {
+    if (instance == null) {
+      try {
+        DiscoverClass discover = new DiscoverClass();
+        instance =
+          (Configurator) discover.newInstance(
+            Configurator.class,
+            DEFAULT_IMPLEMENTATION);
+      } catch (Exception e) {
+        // this can not happen since we provide a valid default 
+        // implementation
+      }
+    }
+    return instance;
+  }
+
+  /**
+   * Initialize the SP/SS configuration.
+   * 
+   * Only a single call to this method will have an effect. Use 
+   * <code>update()</code> for reflecting changes in the configuration instead. 
+   * 
+   * @throws MOAException An error occurred updating the SP/SS configuration.
+   */  
+  public abstract void init() throws MOAException;
+  
+  /**
+   * Update the SP/SS configuration.
+   * 
+   * This will only have an effect after the system has been initialized once
+   * using <code>init()</code>.
+   * 
+   * @throws MOAException An error occurred updating the SP/SS configuration.
+   */
+  public abstract void update() throws MOAException;
+
+}