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Diffstat (limited to 'branches/sca-java-2.0-M4/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringContextStub.java')
-rw-r--r-- | branches/sca-java-2.0-M4/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringContextStub.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M4/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringContextStub.java b/branches/sca-java-2.0-M4/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringContextStub.java new file mode 100644 index 0000000000..dcb9a53a33 --- /dev/null +++ b/branches/sca-java-2.0-M4/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringContextStub.java @@ -0,0 +1,134 @@ +/* + * 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.invocation; + +import java.lang.reflect.Constructor; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.List; + +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory; +import org.apache.tuscany.sca.implementation.spring.SpringImplementation; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * This is the Tuscany side stub for the corresponding runtime tie class. + * It enables the Tuscany code to invoke methods on a Spring context without + * needing to know about any Spring classes. See the SpringContextTie class + * in the implementation-spring-runtime module for what the tie does. + */ +public class SpringContextStub { + + private Object tie; + private Method startMethod; + private Method closeMethod; + private Method getBeanMethod; + + public SpringContextStub(RuntimeComponent component, + SpringImplementation implementation, + ProxyFactory proxyService, + JavaPropertyValueObjectFactory propertyValueObjectFactory) { + + initTie(component, implementation, propertyValueObjectFactory); + + } + + private void initTie(RuntimeComponent component, + SpringImplementation implementation, + JavaPropertyValueObjectFactory propertyValueObjectFactory) { + + // TODO: what class loader to use? + ClassLoader cl = Thread.currentThread().getContextClassLoader(); + + try { + + Class<?> stubClass = Class.forName("org.apache.tuscany.sca.implementation.spring.runtime.context.SpringImplementationStub", true, cl); + Constructor<?> stubConstructor = stubClass.getConstructor(new Class<?>[]{Object.class}); + Object stub = stubConstructor.newInstance(new SpringImplementationTie(implementation, component, propertyValueObjectFactory)); + + Class<?> tieClass = Class.forName("org.apache.tuscany.sca.implementation.spring.runtime.context.SpringContextTie", true, cl); + Constructor<?> tieConstructor = tieClass.getConstructor(new Class<?>[]{stubClass, List.class}); + this.tie = tieConstructor.newInstance(stub, implementation.getResource()); + + this.startMethod = tieClass.getMethod("start"); + this.closeMethod = tieClass.getMethod("close"); + this.getBeanMethod = tieClass.getMethod("getBean", String.class); + + } catch (ClassNotFoundException e) { + throw new RuntimeException(e); + } catch (SecurityException e) { + throw new RuntimeException(e); + } catch (NoSuchMethodException e) { + throw new RuntimeException(e); + } catch (IllegalArgumentException e) { + throw new RuntimeException(e); + } catch (InstantiationException e) { + throw new RuntimeException(e); + } catch (IllegalAccessException e) { + throw new RuntimeException(e); + } catch (InvocationTargetException e) { + e.printStackTrace(); + throw new RuntimeException(e); + } + } + + public void start() { + try { + startMethod.invoke(tie); + } catch (IllegalArgumentException e) { + throw new RuntimeException(e); + } catch (IllegalAccessException e) { + throw new RuntimeException(e); + } catch (InvocationTargetException e) { + e.printStackTrace(); + throw new RuntimeException(e); + } + } + + public void close() { + try { + closeMethod.invoke(tie); + } catch (IllegalArgumentException e) { + throw new RuntimeException(e); + } catch (IllegalAccessException e) { + throw new RuntimeException(e); + } catch (InvocationTargetException e) { + e.printStackTrace(); + throw new RuntimeException(e); + } + } + + public Object getBean(String id) throws SpringInvocationException { + try { + + return getBeanMethod.invoke(tie, id); + + } catch (IllegalArgumentException e) { + throw new RuntimeException(e); + } catch (IllegalAccessException e) { + throw new RuntimeException(e); + } catch (InvocationTargetException e) { + e.printStackTrace(); + throw new RuntimeException(e); + } + } + +}
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