1 files changed, 73 insertions, 0 deletions
diff --git a/sandbox/axis2-1.4/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebSingleton.java b/sandbox/axis2-1.4/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebSingleton.java
new file mode 100644
index 0000000000..5fcf2a2799
--- /dev/null
+++ b/sandbox/axis2-1.4/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebSingleton.java
@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.sca.implementation.web;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * Singleton instance to share data between the ModuleActivator,
+ * ContextScriptProcessorExtensionPoint, and Taglib tags.
+ * 
+ * TODO: find a way to share the data without needing a singleton
+ */
+public class WebSingleton {
+
+    private List<ContextScriptProcessor> contextScriptProcessors = new ArrayList<ContextScriptProcessor>();
+    private RuntimeComponent runtimeComponent;
+
+    public static final WebSingleton INSTANCE = new WebSingleton();
+    private WebSingleton() {
+    }
+        
+    public ComponentReference getComponentReference(String name)  {
+        if (runtimeComponent == null) {
+            throw new IllegalStateException("RuntimeComponent is null. Missing a <implementation.web>?");
+        }
+        for (ComponentReference cr : runtimeComponent.getReferences()) {
+            if (cr.getName().equals(name)) {
+                return cr;
+            }
+        }
+        return null;
+    }
+
+    public void addContextScriptProcessor(ContextScriptProcessor csp) {
+        contextScriptProcessors.add(csp);
+    }
+
+    public List<ContextScriptProcessor> getContextScriptProcessors() {
+        return contextScriptProcessors;
+    }
+
+    public RuntimeComponent getRuntimeComponent() {
+        return runtimeComponent;
+    }
+
+    public void setRuntimeComponent(RuntimeComponent rc) {
+        if (this.runtimeComponent != null) {
+            throw new IllegalStateException("adding component '" + rc.getName() + "' but web module already has a component: " + runtimeComponent.getName());
+        }
+        this.runtimeComponent = rc;
+    }
+}