INT-663

org.springframework.integration/src/main/java/org/springframework/integration/config/xml/PayloadTypeRouterParser.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2002-2008 the original author or authors.
+ *
+ * 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.springframework.integration.config.xml;
+
+import java.util.List;
+
+import org.springframework.beans.factory.config.RuntimeBeanReference;
+import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+import org.springframework.beans.factory.support.ManagedMap;
+import org.springframework.beans.factory.xml.ParserContext;
+import org.springframework.integration.router.PayloadTypeRouter;
+import org.springframework.util.Assert;
+import org.springframework.util.ClassUtils;
+import org.springframework.util.xml.DomUtils;
+import org.w3c.dom.Element;
+
+/**
+ * Parser for the <payload-type-router/> element.
+ * 
+ * @author Oleg Zhurakousky
+ */
+public class PayloadTypeRouterParser extends RouterParser {
+
+	@Override
+	protected BeanDefinitionBuilder parseHandler(Element element, ParserContext parserContext) {
+		BeanDefinitionBuilder payloadTypeRouterBuilder = BeanDefinitionBuilder.genericBeanDefinition(PayloadTypeRouter.class);
+
+		List<Element> childElements = DomUtils.getChildElementsByTagName(element, "mapping");
+		Assert.notEmpty(childElements, "Type mapping must be provided (e.g., <mapping type=\"X\" channel=\"channel1\"/>)");
+
+		ManagedMap channelMap = new ManagedMap();
+		for (Element childElement : childElements) {
+			String typeName = childElement.getAttribute("type");
+			Assert.isTrue(ClassUtils.isPresent(typeName, ClassUtils.getDefaultClassLoader()),  typeName + " can not be loaded");
+			channelMap.put(typeName, new RuntimeBeanReference(childElement.getAttribute("channel")));
+		}
+		
+		payloadTypeRouterBuilder.addPropertyValue("payloadTypeChannelMap", channelMap);
+		
+		BeanDefinitionBuilder rootBuilder = this.createBuilder();
+		rootBuilder.addPropertyValue("targetObject", payloadTypeRouterBuilder.getBeanDefinition());
+		return this.doParse(element, parserContext, rootBuilder);
+	}
+	
+}