diff options
Diffstat (limited to 'tags/java-M1-20060518/java/sca/containers/container.java/src/main/java/org/apache/tuscany/container/java/invocation/AbstractJavaComponentInvoker.java')
-rw-r--r-- | tags/java-M1-20060518/java/sca/containers/container.java/src/main/java/org/apache/tuscany/container/java/invocation/AbstractJavaComponentInvoker.java | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/tags/java-M1-20060518/java/sca/containers/container.java/src/main/java/org/apache/tuscany/container/java/invocation/AbstractJavaComponentInvoker.java b/tags/java-M1-20060518/java/sca/containers/container.java/src/main/java/org/apache/tuscany/container/java/invocation/AbstractJavaComponentInvoker.java deleted file mode 100644 index 33fa9238b6..0000000000 --- a/tags/java-M1-20060518/java/sca/containers/container.java/src/main/java/org/apache/tuscany/container/java/invocation/AbstractJavaComponentInvoker.java +++ /dev/null @@ -1,93 +0,0 @@ -/** - * - * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. - * - * 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.apache.tuscany.container.java.invocation; - -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; -import java.util.Set; - -import org.apache.tuscany.core.config.JavaIntrospectionHelper; -import org.apache.tuscany.core.context.TargetException; -import org.apache.tuscany.core.wire.Interceptor; -import org.apache.tuscany.core.wire.InvocationRuntimeException; -import org.apache.tuscany.core.wire.TargetInvoker; -import org.apache.tuscany.core.message.Message; - -/** - * Base class for dispatching to a Java based component implementation. Subclasses implement a strategy for resolving - * implementation instances. - * - * @version $Rev$ $Date$ - */ -public abstract class AbstractJavaComponentInvoker implements TargetInvoker { - - protected Method operation; - - public AbstractJavaComponentInvoker(Method operation) { - assert (operation != null) : "Operation method cannot be null"; - this.operation = operation; - } - - public Object invokeTarget(Object payload) throws InvocationTargetException { - try { - Object instance = getInstance(); - if (!operation.getDeclaringClass().isInstance(instance)) { - Set<Method> methods = JavaIntrospectionHelper.getAllUniqueMethods(instance.getClass()); - Method newOperation = JavaIntrospectionHelper.findClosestMatchingMethod(operation.getName(), operation - .getParameterTypes(), methods); - if (newOperation != null) - operation = newOperation; - } - if (payload != null && !payload.getClass().isArray()) { - return operation.invoke(instance, payload); - } else { - return operation.invoke(instance, (Object[]) payload); - } - } catch (IllegalAccessException e) { - throw new InvocationRuntimeException(e); - } - } - - public Message invoke(Message msg) { - try { - Object resp = invokeTarget(msg.getBody()); - msg.setBody(resp); - } catch (InvocationTargetException e) { - msg.setBody(e.getCause()); - } catch (Throwable e) { - msg.setBody(e); - } - return msg; - } - - protected abstract Object getInstance() throws TargetException; - - public void setNext(Interceptor next) { - throw new IllegalStateException("This interceptor must be the last interceptor in an interceptor chain"); - } - - @Override - public Object clone() throws CloneNotSupportedException { - try { - AbstractJavaComponentInvoker clone = (AbstractJavaComponentInvoker) super.clone(); - clone.operation = this.operation; - return clone; - } catch (CloneNotSupportedException e) { - return null; // will not happen - } - } -} |