Moved adapters to separate package. Added PayloadMethodEndpointAdapter.

sandbox/src/main/java/org/springframework/ws/server/endpoint/adapter/AbstractMethodEndpointAdapter.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2007 the original author or authors.
+ *
+ * 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.springframework.ws.server.endpoint.adapter;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.springframework.ws.context.MessageContext;
+import org.springframework.ws.server.EndpointAdapter;
+import org.springframework.ws.server.endpoint.MethodEndpoint;
+import org.springframework.xml.transform.TransformerObjectSupport;
+
+/**
+ * Abstract base class for {@link EndpointAdapter} implementations that support {@link
+ * org.springframework.ws.server.endpoint.MethodEndpoint}s. Contains template methods for handling method endpoints.
+ *
+ * @author Arjen Poutsma
+ */
+public abstract class AbstractMethodEndpointAdapter extends TransformerObjectSupport implements EndpointAdapter {
+
+    /** Logger available to subclasses. */
+    protected final Log logger = LogFactory.getLog(getClass());
+
+    /**
+     * Delegates to {@link #supportsInternal(org.springframework.ws.server.endpoint.MethodEndpoint)}.
+     *
+     * @param endpoint endpoint object to check
+     * @return whether or not this adapter can adapt the given endpoint
+     */
+    public final boolean supports(Object endpoint) {
+        return endpoint instanceof MethodEndpoint && supportsInternal((MethodEndpoint) endpoint);
+    }
+
+    /**
+     * Delegates to {@link #invokeInternal(org.springframework.ws.context.MessageContext,MethodEndpoint)}.
+     *
+     * @param messageContext the current message context
+     * @param endpoint       the endpoint to use. This object must have previously been passed to the
+     *                       <code>supportsInternal</code> method of this interface, which must have returned
+     *                       <code>true</code>
+     * @throws Exception in case of errors
+     */
+    public final void invoke(MessageContext messageContext, Object endpoint) throws Exception {
+        invokeInternal(messageContext, (MethodEndpoint) endpoint);
+    }
+
+    /**
+     * Given a method endpoint, return whether or not this adapter can support it.
+     *
+     * @param methodEndpoint method endpoint to check
+     * @return whether or not this adapter can adapt the given method
+     */
+    protected abstract boolean supportsInternal(MethodEndpoint methodEndpoint);
+
+    /**
+     * Use the given method endpoint to handle the request.
+     *
+     * @param messageContext the current message context
+     * @param methodEndpoint the method endpoint to use
+     * @throws Exception in case of errors
+     */
+    protected abstract void invokeInternal(MessageContext messageContext, MethodEndpoint methodEndpoint)
+            throws Exception;
+
+}

sandbox/src/main/java/org/springframework/ws/server/endpoint/adapter/MarshallingMethodEndpointAdapter.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.ws.server.endpoint;
+package org.springframework.ws.server.endpoint.adapter;
 
 import java.lang.reflect.Method;
 
@@ -25,6 +25,7 @@ import org.springframework.util.Assert;
 import org.springframework.ws.WebServiceMessage;
 import org.springframework.ws.context.MessageContext;
 import org.springframework.ws.server.EndpointMapping;
+import org.springframework.ws.server.endpoint.MethodEndpoint;
 
 /**
  * Adapter that supports endpoint methods that use marshalling. Supports methods with the following signature:

sandbox/src/main/java/org/springframework/ws/server/endpoint/adapter/PayloadMethodEndpointAdapter.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2007 the original author or authors.
+ *
+ * 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.springframework.ws.server.endpoint.adapter;
+
+import java.lang.reflect.Method;
+import javax.xml.transform.Source;
+import javax.xml.transform.Transformer;
+
+import org.springframework.ws.WebServiceMessage;
+import org.springframework.ws.context.MessageContext;
+import org.springframework.ws.server.endpoint.MethodEndpoint;
+
+/**
+ * Adapter that supports endpoint methods that use marshalling. Supports methods with the following signature:
+ * <pre>
+ * void handleMyMessage(Source request);
+ * </pre>
+ * or
+ * <pre>
+ * Source handleMyMessage(Source request);
+ * </pre>
+ * I.e. methods that take a single {@link Source} parameter, and return either <code>void</code> or a {@link Source}.
+ * The method can have any name, as long as it is mapped by an {@link org.springframework.ws.server.EndpointMapping}.
+ *
+ * @author Arjen Poutsma
+ */
+public class PayloadMethodEndpointAdapter extends AbstractMethodEndpointAdapter {
+
+    protected boolean supportsInternal(MethodEndpoint methodEndpoint) {
+        Method method = methodEndpoint.getMethod();
+        return (Void.TYPE.isAssignableFrom(method.getReturnType()) ||
+                Source.class.isAssignableFrom(method.getReturnType())) && method.getParameterTypes().length == 1 &&
+                Source.class.isAssignableFrom(method.getParameterTypes()[0]);
+
+    }
+
+    protected void invokeInternal(MessageContext messageContext, MethodEndpoint methodEndpoint) throws Exception {
+        Source requestSource = messageContext.getRequest().getPayloadSource();
+        Object result = methodEndpoint.invoke(new Object[]{requestSource});
+        if (result != null) {
+            Source responseSource = (Source) result;
+            WebServiceMessage response = messageContext.getResponse();
+            Transformer transformer = createTransformer();
+            transformer.transform(responseSource, response.getPayloadResult());
+        }
+    }
+}

sandbox/src/main/java/org/springframework/ws/server/endpoint/adapter/package.html

@@ -0,0 +1,5 @@
+<html>
+<body>
+Provides miscellaneous endpoints <code>EndpointAdapter</code> implementations.
+</body>
+</html>

sandbox/src/test/java/org/springframework/ws/server/endpoint/adapter/MarshallingMethodEndpointAdapterTest.java

@@ -1,4 +1,4 @@
-package org.springframework.ws.server.endpoint;
+package org.springframework.ws.server.endpoint.adapter;
 
 import java.lang.reflect.Method;
 
@@ -9,6 +9,7 @@ import org.springframework.oxm.Unmarshaller;
 import org.springframework.ws.MockWebServiceMessageFactory;
 import org.springframework.ws.context.DefaultMessageContext;
 import org.springframework.ws.context.MessageContext;
+import org.springframework.ws.server.endpoint.MethodEndpoint;
 
 public class MarshallingMethodEndpointAdapterTest extends TestCase {
 

sandbox/src/test/java/org/springframework/ws/server/endpoint/adapter/PayloadMethodEndpointAdapterTest.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright 2007 the original author or authors.
+ *
+ * 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.springframework.ws.server.endpoint.adapter;
+
+import java.lang.reflect.Method;
+import javax.xml.transform.Source;
+
+import junit.framework.TestCase;
+import org.springframework.ws.MockWebServiceMessage;
+import org.springframework.ws.MockWebServiceMessageFactory;
+import org.springframework.ws.WebServiceMessage;
+import org.springframework.ws.context.DefaultMessageContext;
+import org.springframework.ws.context.MessageContext;
+import org.springframework.ws.server.endpoint.MethodEndpoint;
+
+public class PayloadMethodEndpointAdapterTest extends TestCase {
+
+    private PayloadMethodEndpointAdapter adapter;
+
+    private boolean noResponseInvoked;
+
+    private boolean responseInvoked;
+
+    private MessageContext messageContext;
+
+    protected void setUp() throws Exception {
+        adapter = new PayloadMethodEndpointAdapter();
+        messageContext = new DefaultMessageContext(new MockWebServiceMessageFactory());
+    }
+
+    public void testSupportedNoResponse() throws NoSuchMethodException {
+        Method noResponse = getClass().getMethod("noResponse", new Class[]{Source.class});
+        MethodEndpoint methodEndpoint = new MethodEndpoint(this, noResponse);
+        assertTrue("Method unsupported", adapter.supportsInternal(methodEndpoint));
+    }
+
+    public void testSupportedResponse() throws NoSuchMethodException {
+        Method response = getClass().getMethod("response", new Class[]{Source.class});
+        MethodEndpoint methodEndpoint = new MethodEndpoint(this, response);
+        assertTrue("Method unsupported", adapter.supportsInternal(methodEndpoint));
+    }
+
+    public void testUnsupportedMethodMultipleParams() throws NoSuchMethodException {
+        Method unsupported = getClass().getMethod("unsupportedMultipleParams", new Class[]{Source.class, Source.class});
+        assertFalse("Method supported", adapter.supportsInternal(new MethodEndpoint(this, unsupported)));
+    }
+
+    public void testUnsupportedMethodWrongReturnType() throws NoSuchMethodException {
+        Method unsupported = getClass().getMethod("unsupportedWrongReturnType", new Class[]{Source.class});
+        assertFalse("Method supported", adapter.supportsInternal(new MethodEndpoint(this, unsupported)));
+    }
+
+    public void testUnsupportedMethodWrongParam() throws NoSuchMethodException {
+        Method unsupported = getClass().getMethod("unsupportedWrongParam", new Class[]{String.class});
+        assertFalse("Method supported", adapter.supportsInternal(new MethodEndpoint(this, unsupported)));
+    }
+
+    public void testNoResponse() throws Exception {
+        Method noResponse = getClass().getMethod("noResponse", new Class[]{Source.class});
+        MethodEndpoint methodEndpoint = new MethodEndpoint(this, noResponse);
+        assertFalse("Method invoked", noResponseInvoked);
+        adapter.invoke(messageContext, methodEndpoint);
+        assertTrue("Method not invoked", noResponseInvoked);
+    }
+
+    public void testResponse() throws Exception {
+        WebServiceMessage request = new MockWebServiceMessage("<request/>");
+        messageContext = new DefaultMessageContext(request, new MockWebServiceMessageFactory());
+        Method response = getClass().getMethod("response", new Class[]{Source.class});
+        MethodEndpoint methodEndpoint = new MethodEndpoint(this, response);
+        assertFalse("Method invoked", responseInvoked);
+        adapter.invoke(messageContext, methodEndpoint);
+        assertTrue("Method not invoked", responseInvoked);
+    }
+
+    public void noResponse(Source request) {
+        noResponseInvoked = true;
+
+    }
+
+    public Source response(Source request) {
+        responseInvoked = true;
+        return request;
+    }
+
+    public void unsupportedMultipleParams(Source s1, Source s2) {
+    }
+
+    public Source unsupportedWrongParam(String request) {
+        return null;
+    }
+
+    public String unsupportedWrongReturnType(Source request) {
+        return null;
+    }
+
+}