1 files changed, 137 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/provider/service/DynaCorbaServant.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/provider/service/DynaCorbaServant.java
new file mode 100644
index 0000000000..d8524eaee9
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/provider/service/DynaCorbaServant.java
@@ -0,0 +1,137 @@
+/*
+ * 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.sca.binding.corba.provider.service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.binding.corba.provider.exceptions.RequestConfigurationException;
+import org.apache.tuscany.sca.binding.corba.provider.types.TypeTree;
+import org.apache.tuscany.sca.binding.corba.provider.types.TypeTreeCreator;
+import org.apache.tuscany.sca.binding.corba.provider.types.util.TypeHelpersProxy;
+import org.apache.tuscany.sca.binding.corba.provider.types.util.Utils;
+import org.omg.CORBA.MARSHAL;
+import org.omg.CORBA.portable.InputStream;
+import org.omg.CORBA.portable.InvokeHandler;
+import org.omg.CORBA.portable.ObjectImpl;
+import org.omg.CORBA.portable.OutputStream;
+import org.omg.CORBA.portable.ResponseHandler;
+
+/**
+ * @version $Rev$ $Date$
+ * General servant which provides target component implementation via CORBA
+ */
+public class DynaCorbaServant extends ObjectImpl implements InvokeHandler {
+
+    private static final Logger logger = Logger.getLogger(DynaCorbaServant.class.getName());
+    
+    private String[] ids;
+    private InvocationProxy invocationProxy;
+    private String typeId;
+    
+    /**
+     * Creates servant object
+     * @param invocationProxy
+     * @param typeId
+     * @throws RequestConfigurationException
+     */
+    public DynaCorbaServant(InvocationProxy invocationProxy, String typeId) throws RequestConfigurationException {
+        this.invocationProxy = invocationProxy;
+        this.typeId = typeId;
+        setDefaultIds();
+    }
+
+    /**
+     * Sets CORBA object ID
+     * @param ids
+     */
+    public void setIds(String[] ids) {
+        for (int i = 0; i < ids.length; i++) {
+            if (ids[i] == null || ids[i].length() == 0) {
+                // if invalid id was passed then set to default 
+                setDefaultIds();
+                return;
+            }
+        }
+        this.ids = ids;
+    }
+
+    public OutputStream _invoke(String operationName, InputStream in, ResponseHandler rh) {
+        OperationTypes types = invocationProxy.getOperationTypes(operationName);
+        if (types == null) {
+            // operation wasn't found
+            throw new org.omg.CORBA.BAD_OPERATION(0, org.omg.CORBA.CompletionStatus.COMPLETED_MAYBE);
+        } else {
+            List<Object> inputInstances = new ArrayList<Object>();
+            try {
+                // retrieving in arguments
+                for (TypeTree tree : types.getInputType()) {
+                    Object o = TypeHelpersProxy.read(tree.getRootNode(), in);
+                    inputInstances.add(o);
+                }
+            } catch (MARSHAL e) {
+                // parameter passed by user was not compatible with Java to
+                // Corba mapping
+                throw new org.omg.CORBA.BAD_PARAM(0, org.omg.CORBA.CompletionStatus.COMPLETED_MAYBE);
+            }
+            try {
+                // invocation and sending result
+                Object result = invocationProxy.invoke(operationName, inputInstances);
+                OutputStream out = rh.createReply();
+                if (types.getOutputType() != null) {
+                    TypeTree tree = types.getOutputType();
+                    TypeHelpersProxy.write(tree.getRootNode(), out, result);
+                }
+                return out;
+            } catch (InvocationException ie) {
+                // handling user exception
+                try {
+                    OutputStream out = rh.createExceptionReply();
+                    Class<?> exceptionClass = ie.getTargetException().getClass();
+                    TypeTree tree = TypeTreeCreator.createTypeTree(exceptionClass, null);
+                    String exceptionId = Utils.getTypeId(exceptionClass);
+                    out.write_string(exceptionId);
+                    TypeHelpersProxy.write(tree.getRootNode(), out, ie.getTargetException());
+                    return out;
+                } catch (Exception e) {
+                    logger.log(Level.WARNING, "Exception during handling invocation exception", e);
+                }
+            } catch (Exception e) {
+                logger.log(Level.WARNING, "Unexpected exception during sending CORBA result to client", e);
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public String[] _ids() {
+        return ids;
+    }
+
+    /**
+     * Sets servant ID to default, based on Java class name
+     */
+    private void setDefaultIds() {
+        this.ids = new String[] {typeId};
+    }
+
+}