summaryrefslogtreecommitdiffstats
path: root/sca-java-1.x/tags/java-stable-20060304/sca/binding.axis/src/main/java/org/apache/tuscany/binding/axis/handler/ExternalWebServiceTargetInvoker.java
diff options
context:
space:
mode:
Diffstat (limited to 'sca-java-1.x/tags/java-stable-20060304/sca/binding.axis/src/main/java/org/apache/tuscany/binding/axis/handler/ExternalWebServiceTargetInvoker.java')
-rw-r--r--sca-java-1.x/tags/java-stable-20060304/sca/binding.axis/src/main/java/org/apache/tuscany/binding/axis/handler/ExternalWebServiceTargetInvoker.java109
1 files changed, 109 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/binding.axis/src/main/java/org/apache/tuscany/binding/axis/handler/ExternalWebServiceTargetInvoker.java b/sca-java-1.x/tags/java-stable-20060304/sca/binding.axis/src/main/java/org/apache/tuscany/binding/axis/handler/ExternalWebServiceTargetInvoker.java
new file mode 100644
index 0000000000..64f33a1829
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sca/binding.axis/src/main/java/org/apache/tuscany/binding/axis/handler/ExternalWebServiceTargetInvoker.java
@@ -0,0 +1,109 @@
+/**
+ *
+ * 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.binding.axis.handler;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import org.apache.tuscany.core.context.ExternalServiceContext;
+import org.apache.tuscany.core.context.InstanceContext;
+import org.apache.tuscany.core.context.QualifiedName;
+import org.apache.tuscany.core.context.ScopeContext;
+import org.apache.tuscany.core.context.TargetException;
+import org.apache.tuscany.core.invocation.Interceptor;
+import org.apache.tuscany.core.invocation.TargetInvoker;
+import org.apache.tuscany.core.message.Message;
+
+/**
+ * Responsible for invoking an external web service
+ *
+ * @version $Rev$ $Date$
+ */
+public class ExternalWebServiceTargetInvoker implements TargetInvoker {
+
+ private QualifiedName serviceName;
+ private String esName;
+ private Method method;
+ private ScopeContext container;
+
+ private ExternalServiceContext context;
+
+ /**
+ * Constructs a new ExternalWebServiceTargetInvoker.
+ * @param esName
+ * @param container
+ */
+ public ExternalWebServiceTargetInvoker(QualifiedName serviceName, Method method, ScopeContext container) {
+ assert (serviceName != null) : "No service name specified";
+ assert (method != null) : "No method specified";
+ assert (container != null) : "No scope container specified";
+ this.serviceName = serviceName;
+ this.esName=serviceName.getPartName();
+ this.method = method;
+ this.container = container;
+ }
+
+ public Object invokeTarget(Object payload) throws InvocationTargetException {
+ if (context == null) {
+ InstanceContext iContext = container.getContext(esName);
+ if (!(iContext instanceof ExternalServiceContext)) {
+ TargetException te = new TargetException("Unexpected target context type");
+ te.setIdentifier(iContext.getClass().getName());
+ te.addContextName(iContext.getName());
+ throw te;
+ }
+ context = (ExternalServiceContext) iContext;
+ }
+ ExternalWebServiceClient client = (ExternalWebServiceClient) context.getImplementationInstance(true);
+ if (payload != null) {
+ return client.invoke(method, (Object[])payload);
+ } else {
+ return client.invoke(method, null);
+ }
+ }
+
+ public boolean isCacheable() {
+ return false;
+ }
+
+ 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;
+ }
+
+ public void setNext(Interceptor next) {
+ throw new UnsupportedOperationException();
+ }
+
+ public Object clone() {
+ try {
+ ExternalWebServiceTargetInvoker invoker = (ExternalWebServiceTargetInvoker) super.clone();
+ invoker.container = container;
+ invoker.context = this.context;
+ invoker.esName = this.esName;
+ invoker.method = this.method;
+ invoker.serviceName = this.serviceName;
+ return invoker;
+ } catch (CloneNotSupportedException e) {
+ return null; // will not happen
+ }
+ }
+}