diff options
Diffstat (limited to 'sca-java-2.x/contrib/unreleased/samples/implementation-sample-async/src/main/java/sampleasync/impl/SampleJavaInvoker.java')
-rw-r--r-- | sca-java-2.x/contrib/unreleased/samples/implementation-sample-async/src/main/java/sampleasync/impl/SampleJavaInvoker.java | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/sca-java-2.x/contrib/unreleased/samples/implementation-sample-async/src/main/java/sampleasync/impl/SampleJavaInvoker.java b/sca-java-2.x/contrib/unreleased/samples/implementation-sample-async/src/main/java/sampleasync/impl/SampleJavaInvoker.java new file mode 100644 index 0000000000..063fe166eb --- /dev/null +++ b/sca-java-2.x/contrib/unreleased/samples/implementation-sample-async/src/main/java/sampleasync/impl/SampleJavaInvoker.java @@ -0,0 +1,63 @@ +/* + * 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 sampleasync.impl; + +import java.lang.reflect.Method; + +import org.apache.tuscany.sca.interfacedef.java.JavaOperation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.InvokerAsyncRequest; +import org.apache.tuscany.sca.invocation.InvokerAsyncResponse; +import org.apache.tuscany.sca.invocation.Message; + +/** + * Invoker for Sample components that implement a Java interface. + * + * @version $Rev$ $Date$ + */ +class SampleJavaInvoker implements Invoker, InvokerAsyncRequest { + final Object instance; + final Method method; + + SampleJavaInvoker(final JavaOperation op, final Class<?> clazz, final Object instance) throws SecurityException, NoSuchMethodException { + this.instance = instance; + this.method = clazz.getMethod(op.getJavaMethod().getName(), op.getJavaMethod().getParameterTypes()); + } + + public Message invoke(final Message msg) { + return processRequest(msg); + } + + public void invokeAsyncRequest(Message msg) { + processRequest(msg); + // TODO - need to do something about exceptions + } + + public Message processRequest(Message msg) { + try { + // Call the method that implements the operation + msg.setBody(method.invoke(instance, (Object[])msg.getBody())); + } catch(Exception e) { + e.printStackTrace(); + msg.setFaultBody(e.getCause()); + } + return msg; + } +} |