1 files changed, 83 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/proxy/ConnectionBuilderFactory.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/proxy/ConnectionBuilderFactory.java
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+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/proxy/ConnectionBuilderFactory.java
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+/*
+* Copyright 2003 Federal Chancellery Austria
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+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.OAProxyParameter;
+import at.gv.egovernment.moa.id.config.proxy.ProxyConfigurationProvider;
+
+/**
+ * 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;
+  }
+
+}