Rename SLC Core into SLC Spring.

[gpl/argeo-slc.git] / org.argeo.slc.spring / src / org / argeo / slc / core / execution / xml / ExecutionScopeDecorator.java

diff --git a/org.argeo.slc.spring/src/org/argeo/slc/core/execution/xml/ExecutionScopeDecorator.java b/org.argeo.slc.spring/src/org/argeo/slc/core/execution/xml/ExecutionScopeDecorator.java
new file mode 100644 (file)
index 0000000..dfca9d5
--- /dev/null
+++ b/org.argeo.slc.spring/src/org/argeo/slc/core/execution/xml/ExecutionScopeDecorator.java
@@ -0,0 +1,52 @@
+/*\r
+ * Copyright (C) 2007-2012 Argeo GmbH\r
+ *\r
+ * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * you may not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ *\r
+ *         http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ */\r
+package org.argeo.slc.core.execution.xml;\r
+\r
+import org.springframework.aop.scope.ScopedProxyUtils;\r
+import org.springframework.beans.factory.config.BeanDefinitionHolder;\r
+import org.springframework.beans.factory.parsing.BeanComponentDefinition;\r
+import org.springframework.beans.factory.xml.BeanDefinitionDecorator;\r
+import org.springframework.beans.factory.xml.ParserContext;\r
+import org.w3c.dom.Element;\r
+import org.w3c.dom.Node;\r
+\r
+/**\r
+ * Inspired by org.springframework.aop.config.ScopedProxyBeanDefinitionDecorator\r
+ */\r
+public class ExecutionScopeDecorator implements BeanDefinitionDecorator {      \r
+       private static final String PROXY_TARGET_CLASS = "proxy-target-class";  \r
+       \r
+       public BeanDefinitionHolder decorate(Node node,\r
+                       BeanDefinitionHolder definition, ParserContext parserContext) {\r
+               \r
+               definition.getBeanDefinition().setScope("execution");\r
+               \r
+               // Default: CGLib not used\r
+               boolean proxyTargetClass = false;\r
+               if (node instanceof Element) {\r
+                       Element ele = (Element) node;\r
+                       if (ele.hasAttribute(PROXY_TARGET_CLASS)) {\r
+                               proxyTargetClass = Boolean.valueOf(ele.getAttribute(PROXY_TARGET_CLASS)).booleanValue();\r
+                       }\r
+               }\r
+               \r
+               // Register the original bean definition as it will be referenced by the scoped proxy and is relevant for tooling (validation, navigation).\r
+               String targetBeanName = ScopedProxyUtils.getTargetBeanName(definition.getBeanName());\r
+               parserContext.getReaderContext().fireComponentRegistered(new BeanComponentDefinition(definition.getBeanDefinition(), targetBeanName));\r
+               \r
+               return ScopedProxyUtils.createScopedProxy(definition, parserContext.getRegistry(), proxyTargetClass);           \r
+       }\r
+}\r