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Posted to commits@tuscany.apache.org by jm...@apache.org on 2007/01/12 15:30:44 UTC
svn commit: r495580 - in /incubator/tuscany/java/sca/kernel/core/src:
main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java
test/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptorTestCase.java
Author: jmarino
Date: Fri Jan 12 06:30:43 2007
New Revision: 495580
URL: http://svn.apache.org/viewvc?view=rev&rev=495580
Log:
first cut at callback interface interceptor for handling cases where the callback is dynamically set
Added:
incubator/tuscany/java/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java (with props)
incubator/tuscany/java/sca/kernel/core/src/test/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptorTestCase.java (with props)
Added: incubator/tuscany/java/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java?view=auto&rev=495580
==============================================================================
--- incubator/tuscany/java/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java (added)
+++ incubator/tuscany/java/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java Fri Jan 12 06:30:43 2007
@@ -0,0 +1,60 @@
+/*
+ * 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.core.wire;
+
+import org.osoa.sca.NoRegisteredCallbackException;
+
+import org.apache.tuscany.spi.wire.Interceptor;
+import org.apache.tuscany.spi.wire.Message;
+
+/**
+ * An interceptor applied to the outbound side of a wire that ensures the callback target implements the required
+ * service contract. This is required as callback targets may be set dynamically by service implementations.
+ *
+ * @version $Rev$ $Date$
+ */
+public class CallbackInterfaceInterceptor implements Interceptor {
+ private boolean invokingServiceImplements;
+ private Interceptor next;
+
+ public CallbackInterfaceInterceptor(boolean invokingServiceImplements) {
+ this.invokingServiceImplements = invokingServiceImplements;
+ }
+
+ public Message invoke(Message msg) {
+ // TODO check in the context if a callback object is set, if so invoke next since the setCallback will
+ // perform the check
+ if (!invokingServiceImplements) {
+ throw new NoRegisteredCallbackException("Callback target does not implement the callback interface");
+ }
+ return next.invoke(msg);
+ }
+
+ public void setNext(Interceptor next) {
+ this.next = next;
+ }
+
+ public Interceptor getNext() {
+ return next;
+ }
+
+ public boolean isOptimizable() {
+ return false;
+ }
+}
Propchange: incubator/tuscany/java/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java
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Propchange: incubator/tuscany/java/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java
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svn:keywords = Rev Date
Added: incubator/tuscany/java/sca/kernel/core/src/test/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptorTestCase.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/kernel/core/src/test/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptorTestCase.java?view=auto&rev=495580
==============================================================================
--- incubator/tuscany/java/sca/kernel/core/src/test/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptorTestCase.java (added)
+++ incubator/tuscany/java/sca/kernel/core/src/test/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptorTestCase.java Fri Jan 12 06:30:43 2007
@@ -0,0 +1,60 @@
+/*
+ * 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.core.wire;
+
+import org.osoa.sca.NoRegisteredCallbackException;
+
+import org.apache.tuscany.spi.wire.Interceptor;
+import org.apache.tuscany.spi.wire.Message;
+import org.apache.tuscany.spi.wire.MessageImpl;
+
+import junit.framework.TestCase;
+import org.easymock.EasyMock;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class CallbackInterfaceInterceptorTestCase extends TestCase {
+
+ public void testOptimize() throws Exception {
+ CallbackInterfaceInterceptor interceptor = new CallbackInterfaceInterceptor(true);
+ assertFalse(interceptor.isOptimizable());
+ }
+
+ public void testImplements() {
+ CallbackInterfaceInterceptor interceptor = new CallbackInterfaceInterceptor(true);
+ Interceptor next = EasyMock.createMock(Interceptor.class);
+ EasyMock.expect(next.invoke(EasyMock.isA(Message.class))).andReturn(null);
+ EasyMock.replay(next);
+ interceptor.setNext(next);
+ interceptor.invoke(new MessageImpl());
+ EasyMock.verify(next);
+ }
+
+ public void testDoesNotImplement() {
+ CallbackInterfaceInterceptor interceptor = new CallbackInterfaceInterceptor(false);
+ try {
+ interceptor.invoke(new MessageImpl());
+ fail();
+ } catch (NoRegisteredCallbackException e) {
+ // expected
+ }
+ }
+
+}
Propchange: incubator/tuscany/java/sca/kernel/core/src/test/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptorTestCase.java
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Propchange: incubator/tuscany/java/sca/kernel/core/src/test/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptorTestCase.java
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