1 files changed, 56 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/webapp/LazyHTTPSessionId.java b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/webapp/LazyHTTPSessionId.java
new file mode 100644
index 0000000000..c9e69eaa82
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/webapp/LazyHTTPSessionId.java
@@ -0,0 +1,56 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  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 org.apache.tuscany.core.webapp;
+
+import org.apache.tuscany.core.context.ScopeIdentifier;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * Implements a <code>ScopeIdentifier</code> for a Servlet-based transport.
+ * Wraps an <code>HttpServletRequest</code> so that the session id associated
+ * with the current request may be lazily retrieved by the module context - i.e.
+ * if a session context or session-scoped component is not accessed, no session
+ * is created.
+ *
+ * @version $Rev$ $Date$
+ */
+public class LazyHTTPSessionId implements ScopeIdentifier {
+
+    private HttpServletRequest request;
+
+    //----------------------------------
+    // Constructors
+    //----------------------------------
+
+    public LazyHTTPSessionId(HttpServletRequest request) {
+        this.request = request;
+    }
+
+    //----------------------------------
+    // Methods
+    //----------------------------------
+
+    /**
+     * Returns the session identifier
+     *
+     * @see org.apache.tuscany.core.context.ScopeIdentifier#getIdentifier()
+     */
+    public Object getIdentifier() {
+        return request.getSession(true);
+    }
+}