1 files changed, 68 insertions, 0 deletions
diff --git a/id.server/src/at/gv/egovernment/moa/id/proxy/ConnectionBuilderFactory.java b/id.server/src/at/gv/egovernment/moa/id/proxy/ConnectionBuilderFactory.java
new file mode 100644
index 000000000..7a6c3e575
--- /dev/null
+++ b/id.server/src/at/gv/egovernment/moa/id/proxy/ConnectionBuilderFactory.java
@@ -0,0 +1,68 @@
+package at.gv.egovernment.moa.id.proxy;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import at.gv.egovernment.moa.id.config.ConfigurationException;
+import at.gv.egovernment.moa.id.config.proxy.ProxyConfigurationProvider;
+import at.gv.egovernment.moa.id.config.proxy.OAProxyParameter;
+
+/**
+ * Factory delivering a {@link ConnectionBuilder} implementation for
+ * an online application, initialized from configuration data. 
+ * @author Paul Ivancsics
+ * @version $Id$
+ */
+public class ConnectionBuilderFactory {
+
+  /** default connection builder to be used for online application
+   *  where no special implementation of the <code>ConnectionBuilder</code> 
+   *  interface is configured 
+   */
+  private static ConnectionBuilder defaultConnectionBuilder;
+  /** mapping from online application public URL prefix to an implementation
+   *  of the <code>ConnectionBuilder</code> interface to be used;
+   *  if no mapping is given for an online application, the 
+   *  <code>DefaultConnectionBuilder</code> will be used */
+  private static Map connectionBuilderMap;
+
+  /**
+   * Initializes the <code>ConnectionBuilder</code> map from the configuration data.
+   * @throws ConfigurationException when the configuration cannot be read,
+   *          or when a class name configured cannot be instantiated
+   */
+  public static void initialize() throws ConfigurationException {
+    defaultConnectionBuilder = new DefaultConnectionBuilder();
+    connectionBuilderMap = new HashMap();
+    ProxyConfigurationProvider proxyConf = ProxyConfigurationProvider.getInstance();
+    for (int i = 0; i < proxyConf.getOnlineApplicationParameters().length; i++) {
+      OAProxyParameter oaParam = proxyConf.getOnlineApplicationParameters()[i];
+      String publicURLPrefix = oaParam.getPublicURLPrefix();
+      String className = oaParam.getConnectionBuilderImpl();
+      if (className != null) {
+        try {
+          ConnectionBuilder cb = (ConnectionBuilder)Class.forName(className).newInstance();
+          connectionBuilderMap.put(publicURLPrefix, cb); 
+        }
+        catch (Throwable ex) {
+          throw new ConfigurationException("config.07", new Object[] {publicURLPrefix}, ex);
+        }
+      }
+    }
+  }
+  
+  /**
+   * Gets the <code>ConnectionBuilder</code> implementation to be used for the given
+   * online application.
+   * @param publicURLPrefix public URL prefix of the online application
+   * @return <code>ConnectionBuilder</code> implementation
+   */
+  public static ConnectionBuilder getConnectionBuilder(String publicURLPrefix) {
+    ConnectionBuilder cb = (ConnectionBuilder) connectionBuilderMap.get(publicURLPrefix);
+    if (cb == null)
+      return defaultConnectionBuilder;
+    else
+      return cb;
+  }
+
+}