diff options
Diffstat (limited to 'sca-java-1.x/tags/1.5/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/service/DynaCorbaServant.java')
-rw-r--r-- | sca-java-1.x/tags/1.5/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/service/DynaCorbaServant.java | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.5/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/service/DynaCorbaServant.java b/sca-java-1.x/tags/1.5/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/service/DynaCorbaServant.java new file mode 100644 index 0000000000..2a032f5d25 --- /dev/null +++ b/sca-java-1.x/tags/1.5/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/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.impl.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.impl.exceptions.RequestConfigurationException; +import org.apache.tuscany.sca.binding.corba.impl.types.TypeTree; +import org.apache.tuscany.sca.binding.corba.impl.types.TypeTreeCreator; +import org.apache.tuscany.sca.binding.corba.impl.types.util.TypeHelpersProxy; +import org.apache.tuscany.sca.binding.corba.impl.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}; + } + +} |