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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
commit | a40e527938d76ba71f211da7e327adb50384ba69 (patch) | |
tree | cb8f99f1727122b040a3f0fbb6649292b6a74302 /sca-java-1.x/tags/1.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringInvoker.java | |
parent | 968721109881107520d7aefa91d7fcc0519d7739 (diff) |
Moving 1.x tags
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835157 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/tags/1.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringInvoker.java')
-rw-r--r-- | sca-java-1.x/tags/1.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringInvoker.java | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringInvoker.java b/sca-java-1.x/tags/1.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringInvoker.java new file mode 100644 index 0000000000..bfbdb04f5b --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringInvoker.java @@ -0,0 +1,125 @@ +/* + * 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.spring; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +import org.apache.tuscany.sca.implementation.spring.xml.SpringBeanElement; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.springframework.beans.BeansException; +import org.springframework.context.support.AbstractApplicationContext; + +/** + * Initial implementation of a Spring bean invoker + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class SpringInvoker implements Invoker { + + private Method theMethod = null; + private Object bean; + private SpringBeanElement beanElement; + private boolean badInvoker = false; + + private AbstractApplicationContext springContext; + private Operation operation; + + /** + * SpringInvoker constructor + * @param component - the Spring component to invoke + * @param service - the service to invoke + * @param operation - the operation to invoke + */ + public SpringInvoker(RuntimeComponent component, + AbstractApplicationContext springContext, + RuntimeComponentService service, + Operation operation) { + + this.springContext = springContext; + this.operation = operation; + + // From the component and the service, identify the Spring Bean which is the target + SpringImplementation theImplementation = (SpringImplementation)component.getImplementation(); + beanElement = theImplementation.getBeanFromService(service.getService()); + + if (beanElement == null) { + badInvoker = true; + return; + } + + } // end constructor SpringInvoker + + // Lazy-load the method to avoid timing problems with the Spring Context + private void setupMethod() { + try { + bean = springContext.getBean(beanElement.getId()); + Class<?> beanClass = bean.getClass(); + theMethod = JavaInterfaceUtil.findMethod(beanClass, operation); + //System.out.println("SpringInvoker - found method " + theMethod.getName() ); + } catch (BeansException e) { + badInvoker = true; + } catch (NoSuchMethodException e) { + badInvoker = true; + } + } + + private Object doInvoke(Object payload) throws SpringInvocationException { + if (theMethod == null) + setupMethod(); + + if (badInvoker) + throw new SpringInvocationException("Spring invoker incorrectly configured"); + // Invoke the method on the Spring bean using the payload, returning the results + try { + Object ret; + + if (payload != null && !payload.getClass().isArray()) { + ret = theMethod.invoke(bean, payload); + } else { + ret = theMethod.invoke(bean, (Object[])payload); + } + return ret; + } catch (InvocationTargetException e) { + throw new SpringInvocationException(e.getMessage()); + } catch (Exception e) { + throw new SpringInvocationException(e.getMessage()); + } + + } // end method doInvoke + + /** + * @param msg the message to invoke on the target bean + */ + public Message invoke(Message msg) { + try { + Object resp = doInvoke(msg.getBody()); + msg.setBody(resp); + } catch (SpringInvocationException e) { + msg.setFaultBody(e.getCause()); + } + //System.out.println("Spring Invoker - invoke called"); + return msg; + } // end method invoke + +} // end class SpringInvoker |