Add a helper to get the correct ServletHost

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@897969 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 52 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHostHelper.java b/sca-java-2.x/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHostHelper.java
new file mode 100644
index 0000000000..946eb54ed6
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHostHelper.java
@@ -0,0 +1,52 @@
+/*

+ * 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.host.http;

+

+import java.util.List;

+

+import org.apache.tuscany.sca.core.ExtensionPointRegistry;

+

+public class ServletHostHelper {

+    

+    private static boolean webappHost;

+    

+    public static ServletHost getServletHost(ExtensionPointRegistry extensionPoints) {

+        ServletHostExtensionPoint servletHosts = extensionPoints.getExtensionPoint(ServletHostExtensionPoint.class);

+        List<ServletHost> hosts = servletHosts.getServletHosts();

+        for (ServletHost servletHost : hosts) {

+            if (webappHost && !"webapp".equals(servletHost.getName())) {

+                continue;

+            }

+            if (!webappHost && "webapp".equals(servletHost.getName())) {

+                continue;

+            }

+            if(servletHost instanceof DefaultServletHostExtensionPoint.LazyServletHost) {

+                return ((DefaultServletHostExtensionPoint.LazyServletHost) servletHost).getServletHost();

+            } else {

+                return servletHost;

+            }

+        }

+        throw new IllegalStateException("No ServletHost found");

+    }

+    

+    public static void setWebappHost(boolean b) {

+        ServletHostHelper.webappHost = b;

+    }

+}