1 files changed, 77 insertions, 0 deletions
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/transaction/TransactionContextManager.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/transaction/TransactionContextManager.java
new file mode 100644
index 000000000..7e82e91c8
--- /dev/null
+++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/transaction/TransactionContextManager.java
@@ -0,0 +1,77 @@
+/*
+* 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.spss.server.transaction;
+
+/**
+ * Provides each thread with an instance of <code>TransactionContext</code>.
+ * 
+ * The single instance of the <code>TransactionContextManager</code> should be
+ * used to access contextual information for each web service transaction, e.g.
+ * the transaction ID, MOA configuration, client certificate, etc.
+ * 
+ * @author Stefan Knirsch
+ * @author Patrick Peck
+ */
+public class TransactionContextManager {
+
+  /** The single instance of <code>TransactionContextManager</code> */ 
+  private static TransactionContextManager instance = null;
+  
+  /** Contains a single <code>TransactionContext</code> for each thread. */
+  private ThreadLocal context = null;
+
+  /**
+   * Get the single instance of <code>TransactionContextManager</code>.
+   *   
+   * @return The single instanc of <code>TransactionContextManager</code>.
+   */
+  public static synchronized TransactionContextManager getInstance() {
+    if (instance == null) {
+      instance = new TransactionContextManager();
+    }
+    return instance;
+  }
+
+  /**
+   * Creates a new <code>TransactionContextManager</code>.
+   * 
+   * Protected to disallow direct instantiation.
+   */
+  protected TransactionContextManager() {
+    context = new ThreadLocal();
+  }
+
+  /**
+   * Set the <code>TransactionContext</code> for the current thread.
+   * 
+   * @param txContext The <code>TransactionContext</code> for this thread.
+   */
+  public void setTransactionContext(TransactionContext txContext) {
+    context.set(txContext);
+  }
+
+  /**
+   * Get the <code>TransactionContext</code> for the current thread.
+   * 
+   * @return The <code>TransactionContext</code> for the current thread or
+   * <code>null</code>, if none has been set (or if this method is being invoked
+   * outside the bounds of a transaction).
+   */
+  public TransactionContext getTransactionContext() {
+    return (TransactionContext) context.get();
+  }
+
+}