diff options
| author | wjaniszewski <wjaniszewski@13f79535-47bb-0310-9956-ffa450edef68> | 2009-04-03 15:46:15 +0000 |
|---|---|---|
| committer | wjaniszewski <wjaniszewski@13f79535-47bb-0310-9956-ffa450edef68> | 2009-04-03 15:46:15 +0000 |
| commit | c187078bc0e1fac273862bf11ba8a54b1928cb37 (patch) | |
| tree | 1d074185d08203c2e5f8e927ed3c878d18cef0e0 /branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca | |
| parent | cca5c73bb1acd7337132ab27dc1bf75b75a34979 (diff) | |
Moving Erlang binding to 1.x branch
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@761712 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca')
24 files changed, 1936 insertions, 0 deletions
diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangBindingProviderFactory.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangBindingProviderFactory.java new file mode 100644 index 0000000000..f7ea057e56 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangBindingProviderFactory.java @@ -0,0 +1,94 @@ +/*
+ * 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.erlang.impl;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.binding.erlang.ErlangBinding;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.provider.BindingProviderFactory;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ErlangBindingProviderFactory implements
+ BindingProviderFactory<ErlangBinding> {
+
+ private static final Logger logger = Logger
+ .getLogger(ErlangBindingProviderFactory.class.getName());
+
+ private Set<String> nodes = new HashSet<String>();
+
+ public ErlangBindingProviderFactory(ExtensionPointRegistry registry) {
+
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.BindingProviderFactory#createReferenceBindingProvider(org.apache.tuscany.sca.runtime.RuntimeComponent,
+ * org.apache.tuscany.sca.runtime.RuntimeComponentReference,
+ * org.apache.tuscany.sca.assembly.Binding)
+ */
+ public ReferenceBindingProvider createReferenceBindingProvider(
+ RuntimeComponent component, RuntimeComponentReference reference,
+ ErlangBinding binding) {
+ return new ErlangReferenceBindingProvider(binding, reference);
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.BindingProviderFactory#createServiceBindingProvider(org.apache.tuscany.sca.runtime.RuntimeComponent,
+ * org.apache.tuscany.sca.runtime.RuntimeComponentService,
+ * org.apache.tuscany.sca.assembly.Binding)
+ */
+ public ServiceBindingProvider createServiceBindingProvider(
+ RuntimeComponent component, RuntimeComponentService service,
+ ErlangBinding binding) {
+ ServiceBindingProvider provider = null;
+ try {
+ if (nodes.contains(binding.getNode())) {
+ // TODO: externalize message?
+ logger.log(Level.WARNING,
+ "Node name '" + binding.getNode() + "' already registered. This service will not be spawned.");
+ } else {
+ provider = new ErlangServiceBindingProvider(binding, service);
+ nodes.add(binding.getNode());
+ }
+ } catch (Exception e) {
+ // TODO: externalize message?
+ logger.log(Level.WARNING,
+ "Exception during creating ServiceBindingProvider", e);
+ }
+ return provider;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ProviderFactory#getModelType()
+ */
+ public Class<ErlangBinding> getModelType() {
+ return ErlangBinding.class;
+ }
+}
diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangInvoker.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangInvoker.java new file mode 100644 index 0000000000..7cd23aa1b1 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangInvoker.java @@ -0,0 +1,194 @@ +/*
+ * 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.erlang.impl;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.binding.erlang.ErlangBinding;
+import org.apache.tuscany.sca.binding.erlang.impl.exceptions.ErlangException;
+import org.apache.tuscany.sca.binding.erlang.impl.types.TypeHelpersProxy;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+
+import com.ericsson.otp.erlang.OtpAuthException;
+import com.ericsson.otp.erlang.OtpConnection;
+import com.ericsson.otp.erlang.OtpEpmd;
+import com.ericsson.otp.erlang.OtpErlangList;
+import com.ericsson.otp.erlang.OtpErlangObject;
+import com.ericsson.otp.erlang.OtpErlangTuple;
+import com.ericsson.otp.erlang.OtpMbox;
+import com.ericsson.otp.erlang.OtpMsg;
+import com.ericsson.otp.erlang.OtpNode;
+import com.ericsson.otp.erlang.OtpPeer;
+import com.ericsson.otp.erlang.OtpSelf;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ErlangInvoker implements Invoker {
+
+ private static final Logger logger = Logger.getLogger(ErlangInvoker.class
+ .getName());
+
+ private ErlangBinding binding;
+
+ public ErlangInvoker(ErlangBinding binding) {
+ this.binding = binding;
+ }
+
+ private void reportProblem(Message msg, Exception e) {
+ if (msg.getOperation().getFaultTypes().size() > 0) {
+ msg.setFaultBody(e);
+ } else {
+ // NOTE: don't throw exception if not declared
+ // TODO: externalize message?
+ logger
+ .log(Level.WARNING, "Problem while sending/receiving data",
+ e);
+ }
+ }
+
+ private String getClientNodeName() {
+ return "_connector_to_" + binding.getNode()
+ + System.currentTimeMillis();
+ }
+
+ private Message sendMessage(Message msg) {
+ OtpMbox tmpMbox = null;
+ OtpNode node = null;
+ try {
+ node = new OtpNode(getClientNodeName());
+ if (binding.hasCookie()) {
+ node.setCookie(binding.getCookie());
+ }
+ tmpMbox = node.createMbox();
+ Object[] args = msg.getBody();
+ OtpErlangObject msgPayload = TypeHelpersProxy.toErlang(args);
+ tmpMbox.send(msg.getOperation().getName(), binding.getNode(),
+ msgPayload);
+ if (msg.getOperation().getOutputType() != null) {
+ OtpMsg resultMsg = null;
+ if (binding.hasTimeout()) {
+ resultMsg = tmpMbox.receiveMsg(binding.getTimeout());
+ } else {
+ resultMsg = tmpMbox.receiveMsg();
+ }
+ OtpErlangObject result = resultMsg.getMsg();
+ msg.setBody(TypeHelpersProxy.toJava(result, msg.getOperation()
+ .getOutputType().getPhysical()));
+ }
+ } catch (InterruptedException e) {
+ // TODO: externalize message?
+ ErlangException ee = new ErlangException(
+ "Timeout while receiving message reply", e);
+ msg.setBody(null);
+ reportProblem(msg, ee);
+ } catch (Exception e) {
+ reportProblem(msg, e);
+ } finally {
+ if (tmpMbox != null) {
+ tmpMbox.close();
+ }
+ if (node != null) {
+ OtpEpmd.unPublishPort(node);
+ node.close();
+ }
+ }
+ return msg;
+ }
+
+ private Message invokeOperation(Message msg) {
+ OtpSelf self = null;
+ OtpPeer other = null;
+ OtpConnection connection = null;
+ try {
+ self = new OtpSelf(getClientNodeName());
+ if (binding.hasCookie()) {
+ self.setCookie(binding.getCookie());
+ }
+ other = new OtpPeer(binding.getNode());
+ connection = self.connect(other);
+ OtpErlangList params = TypeHelpersProxy
+ .toErlangAsList((Object[]) msg.getBody());
+ OtpErlangTuple message = MessageHelper.rpcMessage(self.pid(), self
+ .createRef(), binding.getModule(), msg.getOperation()
+ .getName(), params);
+ connection.send(MessageHelper.RPC_MBOX, message);
+ OtpErlangObject rpcResponse = null;
+ if (binding.hasTimeout()) {
+ rpcResponse = connection.receive(binding.getTimeout());
+ } else {
+ rpcResponse = connection.receive();
+ }
+ OtpErlangObject result = ((OtpErlangTuple) rpcResponse)
+ .elementAt(1);
+ if (MessageHelper.isfunctionUndefMessage(result)) {
+ // TODO: externalize message?
+ Exception e = new ErlangException("No '" + binding.getModule()
+ + ":" + msg.getOperation().getName()
+ + "' operation defined on remote '" + binding.getNode()
+ + "' node.");
+ reportProblem(msg, e);
+ msg.setBody(null);
+ } else if (msg.getOperation().getOutputType() != null) {
+ if (result.getClass().equals(OtpErlangTuple.class)) {
+ OtpErlangObject resultBody = ((OtpErlangTuple) result)
+ .elementAt(1);
+ msg.setBody(TypeHelpersProxy.toJava(resultBody, msg
+ .getOperation().getOutputType().getPhysical()));
+ }
+ }
+ } catch (OtpAuthException e) {
+ // TODO: externalize message?
+ ErlangException ee = new ErlangException(
+ "Problem while authenticating client - check your cookie",
+ e);
+ msg.setBody(null);
+ reportProblem(msg, ee);
+ } catch (InterruptedException e) {
+ // TODO: externalize message?
+ ErlangException ee = new ErlangException(
+ "Timeout while receiving RPC reply", e);
+ msg.setBody(null);
+ reportProblem(msg, ee);
+ } catch (Exception e) {
+ reportProblem(msg, e);
+ } finally {
+ if (connection != null) {
+ connection.close();
+ }
+ }
+ return msg;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.invocation.Invoker#invoke(org.apache.tuscany.sca.invocation.Message)
+ */
+ public Message invoke(Message msg) {
+ if (binding.isMbox()) {
+ return sendMessage(msg);
+ } else {
+ return invokeOperation(msg);
+ }
+
+ }
+
+}
diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNode.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNode.java new file mode 100644 index 0000000000..94bac31809 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNode.java @@ -0,0 +1,118 @@ +/* + * 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.erlang.impl; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.binding.erlang.ErlangBinding; +import org.apache.tuscany.sca.binding.erlang.impl.exceptions.ErlangException; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +import com.ericsson.otp.erlang.OtpAuthException; +import com.ericsson.otp.erlang.OtpConnection; +import com.ericsson.otp.erlang.OtpSelf; + +/** + * @version $Rev$ $Date$ + */ +public class ErlangNode implements Runnable { + + private static final Logger logger = Logger.getLogger(ErlangNode.class + .getName()); + + private ErlangNodeElement nodeElement; + private String name; + private OtpSelf self; + private ExecutorService executors; + private boolean stopRequested; + private Map<String, List<Operation>> groupedOperations; + + public ErlangNode(String name, ErlangBinding binding, + RuntimeComponentService service) throws Exception { + this.name = name; + self = new OtpSelf(name); + boolean registered = self.publishPort(); + if (!registered) { + // TODO: externalize message? + throw new ErlangException( + "Problem with publishing service under epmd server."); + } + if (binding.hasCookie()) { + self.setCookie(binding.getCookie()); + } + registerBinding(binding, service); + } + + public void stop() { + stopRequested = true; + executors.shutdownNow(); + } + + public void run() { + // FIXME: add configurable thread pools + executors = Executors.newFixedThreadPool(10); + while (!stopRequested) { + try { + OtpConnection connection = self.accept(); + executors.execute(new ServiceExecutor(connection, + groupedOperations, nodeElement, name)); + } catch (IOException e) { + // TODO: externalzie message? + logger.log(Level.WARNING, + "Error occured while accepting connection on '" + name + + "' node", e); + } catch (OtpAuthException e) { + // TODO: externalize message? + logger.log(Level.WARNING, "Error while authenticating client", e); + } + } + } + + private void registerBinding(ErlangBinding binding, + RuntimeComponentService service) throws ErlangException { + if (binding.isMbox()) { + List<Operation> operations = service.getInterfaceContract() + .getInterface().getOperations(); + groupedOperations = new HashMap<String, List<Operation>>(); + for (Operation operation : operations) { + List<Operation> operationsGroup = groupedOperations + .get(operation.getName()); + if (operationsGroup == null) { + operationsGroup = new ArrayList<Operation>(); + groupedOperations.put(operation.getName(), operationsGroup); + } + operationsGroup.add(operation); + } + } + nodeElement = new ErlangNodeElement(); + nodeElement.setService(service); + nodeElement.setBinding(binding); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNodeElement.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNodeElement.java new file mode 100644 index 0000000000..f945a841ec --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNodeElement.java @@ -0,0 +1,50 @@ +/* + * 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.erlang.impl; + +import org.apache.tuscany.sca.binding.erlang.ErlangBinding; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * Holds information (RuntimeComponentService, ErlangBindin) for element (program module, mbox) binded on node. + * @version $Rev$ $Date$ + */ +public class ErlangNodeElement { + + private ErlangBinding binding; + private RuntimeComponentService service; + + public void setBinding(ErlangBinding binding) { + this.binding = binding; + } + + public ErlangBinding getBinding() { + return binding; + } + + public void setService(RuntimeComponentService service) { + this.service = service; + } + + public RuntimeComponentService getService() { + return service; + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangReferenceBindingProvider.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangReferenceBindingProvider.java new file mode 100644 index 0000000000..b96a4524e1 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangReferenceBindingProvider.java @@ -0,0 +1,87 @@ +/*
+ * 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.erlang.impl;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.binding.erlang.ErlangBinding;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ErlangReferenceBindingProvider implements ReferenceBindingProvider {
+
+ private static final Logger logger = Logger
+ .getLogger(ErlangReferenceBindingProvider.class.getName());
+ private RuntimeComponentReference reference;
+ private ErlangBinding binding;
+
+ public ErlangReferenceBindingProvider(ErlangBinding binding,
+ RuntimeComponentReference reference) {
+ this.reference = reference;
+ this.binding = binding;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ReferenceBindingProvider#createInvoker(org.apache.tuscany.sca.interfacedef.Operation)
+ */
+ public Invoker createInvoker(Operation operation) {
+ try {
+ return new ErlangInvoker(binding);
+ } catch (Exception e) {
+ logger.log(Level.WARNING,
+ "Exception during creating Erlang invoker", e);
+ }
+ return null;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ReferenceBindingProvider#getBindingInterfaceContract()
+ */
+ public InterfaceContract getBindingInterfaceContract() {
+ return reference.getInterfaceContract();
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ReferenceBindingProvider#start()
+ */
+ public void start() {
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ReferenceBindingProvider#stop()
+ */
+ public void stop() {
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ReferenceBindingProvider#supportsOneWayInvocation()
+ */
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+}
diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangServiceBindingProvider.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangServiceBindingProvider.java new file mode 100644 index 0000000000..c2546a4336 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangServiceBindingProvider.java @@ -0,0 +1,81 @@ +/*
+ * 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.erlang.impl;
+
+import org.apache.tuscany.sca.binding.erlang.ErlangBinding;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ErlangServiceBindingProvider implements ServiceBindingProvider {
+
+ private RuntimeComponentService service;
+ private ErlangNode node;
+
+ public ErlangServiceBindingProvider(ErlangBinding binding,
+ RuntimeComponentService service) throws Exception {
+ this.service = service;
+ this.node = new ErlangNode(binding.getNode(), binding, service);
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ServiceBindingProvider#getBindingInterfaceContract()
+ */
+ public InterfaceContract getBindingInterfaceContract() {
+ return service.getInterfaceContract();
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ServiceBindingProvider#start()
+ */
+ public void start() {
+ try {
+ Thread thread = new Thread(node);
+ thread.start();
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ServiceBindingProvider#stop()
+ */
+ public void stop() {
+ try {
+ node.stop();
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.provider.ServiceBindingProvider#supportsOneWayInvocation()
+ */
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+}
diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/MessageHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/MessageHelper.java new file mode 100644 index 0000000000..ee7957406b --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/MessageHelper.java @@ -0,0 +1,127 @@ +/* + * 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.erlang.impl; + +import com.ericsson.otp.erlang.OtpErlangAtom; +import com.ericsson.otp.erlang.OtpErlangList; +import com.ericsson.otp.erlang.OtpErlangObject; +import com.ericsson.otp.erlang.OtpErlangPid; +import com.ericsson.otp.erlang.OtpErlangRef; +import com.ericsson.otp.erlang.OtpErlangTuple; + +/** + * @version $Rev$ $Date$ + */ +public class MessageHelper { + + /** + * Mbox name used for Remote Procedure Calls + */ + public static String RPC_MBOX = "rex"; + + public static final OtpErlangAtom ATOM_OK = new OtpErlangAtom("ok"); + public static final OtpErlangAtom ATOM_ERROR = new OtpErlangAtom("error"); + public static final OtpErlangAtom ATOM_BADRPC = new OtpErlangAtom("badrpc"); + private static final OtpErlangAtom ATOM_EXIT = new OtpErlangAtom("EXIT"); + private static final OtpErlangAtom ATOM_UNDEF = new OtpErlangAtom("undef"); + private static final OtpErlangAtom ATOM_CALL = new OtpErlangAtom("call"); + private static final OtpErlangAtom ATOM_GEN_CALL = new OtpErlangAtom( + "$gen_call"); + + public static OtpErlangObject functionUndefMessage(String module, + String function, OtpErlangList args, String tuscanyMsg) { + OtpErlangObject[] args4 = new OtpErlangObject[3]; + args4[0] = new OtpErlangAtom(module); + args4[1] = new OtpErlangAtom(function); + args4[2] = args; + + OtpErlangObject[] args3 = new OtpErlangObject[2]; + args3[0] = new OtpErlangTuple(args4); + args3[1] = new OtpErlangAtom(tuscanyMsg); + + OtpErlangObject[] args2 = new OtpErlangObject[2]; + args2[0] = ATOM_UNDEF; + args2[1] = new OtpErlangList(args3); + + OtpErlangObject[] args1 = new OtpErlangObject[2]; + args1[0] = ATOM_EXIT; + args1[1] = new OtpErlangTuple(args2); + + OtpErlangTuple result = new OtpErlangTuple(args1); + return result; + } + + public static boolean isfunctionUndefMessage(OtpErlangObject msg) { + if (msg.getClass().equals(OtpErlangTuple.class)) { + OtpErlangTuple tupleMsg = (OtpErlangTuple) msg; + if (tupleMsg.arity() == 2 + && tupleMsg.elementAt(0).getClass().equals( + OtpErlangAtom.class) + && tupleMsg.elementAt(1).getClass().equals( + OtpErlangTuple.class) + && ((OtpErlangAtom) tupleMsg.elementAt(0)).atomValue() + .equals(ATOM_BADRPC.atomValue())) { + OtpErlangTuple badrpcTuple = (OtpErlangTuple) tupleMsg + .elementAt(1); + if (badrpcTuple.arity() == 2 + && badrpcTuple.elementAt(0).getClass().equals( + OtpErlangAtom.class) + && badrpcTuple.elementAt(1).getClass().equals( + OtpErlangTuple.class) + && ((OtpErlangAtom) badrpcTuple.elementAt(0)) + .atomValue().equals(ATOM_EXIT.atomValue())) { + OtpErlangTuple exitTuple = (OtpErlangTuple) badrpcTuple + .elementAt(1); + if (exitTuple.arity() == 2 + && exitTuple.elementAt(0).getClass().equals( + OtpErlangAtom.class) + && ((OtpErlangAtom) exitTuple.elementAt(0)) + .atomValue().equals(ATOM_UNDEF.atomValue())) { + return true; + } + } + + } + } + return false; + } + + public static OtpErlangTuple rpcMessage(OtpErlangPid senderPid, + OtpErlangRef ref, String module, String function, OtpErlangList args) { + OtpErlangObject[] args3 = new OtpErlangObject[5]; + args3[0] = ATOM_CALL; + args3[1] = new OtpErlangAtom(module); + args3[2] = new OtpErlangAtom(function); + args3[3] = args; + args3[4] = senderPid; + + OtpErlangObject[] args2 = new OtpErlangObject[2]; + args2[0] = senderPid; + args2[1] = ref; + + OtpErlangObject[] args1 = new OtpErlangObject[3]; + args1[0] = ATOM_GEN_CALL; + args1[1] = new OtpErlangTuple(args2); + args1[2] = new OtpErlangTuple(args3); + + OtpErlangTuple result = new OtpErlangTuple(args1); + return result; + } +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ServiceExecutor.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ServiceExecutor.java new file mode 100644 index 0000000000..001256f5f0 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ServiceExecutor.java @@ -0,0 +1,314 @@ +/* + * 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.erlang.impl; + +import java.io.IOException; +import java.lang.reflect.InvocationTargetException; +import java.util.List; +import java.util.Map; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.binding.erlang.ErlangBinding; +import org.apache.tuscany.sca.binding.erlang.impl.types.TypeHelpersProxy; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +import com.ericsson.otp.erlang.OtpAuthException; +import com.ericsson.otp.erlang.OtpConnection; +import com.ericsson.otp.erlang.OtpErlangAtom; +import com.ericsson.otp.erlang.OtpErlangDecodeException; +import com.ericsson.otp.erlang.OtpErlangExit; +import com.ericsson.otp.erlang.OtpErlangList; +import com.ericsson.otp.erlang.OtpErlangObject; +import com.ericsson.otp.erlang.OtpErlangPid; +import com.ericsson.otp.erlang.OtpErlangRef; +import com.ericsson.otp.erlang.OtpErlangString; +import com.ericsson.otp.erlang.OtpErlangTuple; +import com.ericsson.otp.erlang.OtpMbox; +import com.ericsson.otp.erlang.OtpMsg; +import com.ericsson.otp.erlang.OtpNode; + +/** + * @version $Rev$ $Date$ + */ +public class ServiceExecutor implements Runnable { + + private static final Logger logger = Logger.getLogger(ServiceExecutor.class + .getName()); + + private ErlangNodeElement nodeElement; + private OtpConnection connection; + private Map<String, List<Operation>> groupedOperations; + private String name; + + public ServiceExecutor(OtpConnection connection, + Map<String, List<Operation>> groupedOperations, + ErlangNodeElement nodeElement, String name) { + this.connection = connection; + this.groupedOperations = groupedOperations; + this.nodeElement = nodeElement; + this.name = name; + } + + private void sendMessage(OtpConnection connection, OtpErlangPid pid, + OtpErlangRef ref, OtpErlangAtom head, OtpErlangObject message) + throws IOException { + OtpErlangTuple tResult = new OtpErlangTuple(new OtpErlangObject[] { + head, message }); + OtpErlangObject msg = null; + msg = new OtpErlangTuple(new OtpErlangObject[] { ref, tResult }); + connection.send(pid, msg); + } + + private String getResponseClientNodeName(OtpErlangPid pid) { + return "_response_connector_to_" + pid + System.currentTimeMillis(); + } + + private void handleRpc(OtpMsg msg) { + OtpErlangTuple request = null; + OtpErlangPid senderPid = null; + OtpErlangRef senderRef = null; + try { + OtpErlangTuple call = (OtpErlangTuple) msg.getMsg(); + OtpErlangTuple from = (OtpErlangTuple) call.elementAt(1); + request = (OtpErlangTuple) call.elementAt(2); + senderPid = (OtpErlangPid) from.elementAt(0); + senderRef = (OtpErlangRef) from.elementAt(1); + String module = ((OtpErlangAtom) request.elementAt(1)).atomValue(); + String function = ((OtpErlangAtom) request.elementAt(2)) + .atomValue(); + OtpErlangObject args = request.elementAt(3); + OtpErlangList argsList = null; + // normalize input + if (args instanceof OtpErlangList) { + argsList = (OtpErlangList) args; + } else { + argsList = new OtpErlangList(args); + } + if (!nodeElement.getBinding().getModule().equals(module)) { + // TODO: externalize message? + OtpErlangObject errorMsg = MessageHelper.functionUndefMessage( + module, function, argsList, + "Module not found in SCA component."); + sendMessage(connection, senderPid, senderRef, + MessageHelper.ATOM_BADRPC, errorMsg); + } else { + RuntimeComponentService service = nodeElement.getService(); + ErlangBinding binding = nodeElement.getBinding(); + List<Operation> operations = service.getInterfaceContract() + .getInterface().getOperations(); + Operation operation = null; + for (Operation o : operations) { + if (o.getName().equals(function)) { + operation = o; + break; + } + } + if (operation != null) { + List<DataType> iTypes = operation.getInputType() + .getLogical(); + Class<?>[] forClasses = new Class<?>[iTypes.size()]; + for (int i = 0; i < iTypes.size(); i++) { + forClasses[i] = iTypes.get(i).getPhysical(); + } + try { + Object result = service.getRuntimeWire(binding, + service.getInterfaceContract()).invoke( + operation, + TypeHelpersProxy.toJavaFromList(argsList, + forClasses)); + OtpErlangObject response = null; + if (operation.getOutputType() != null + && operation.getOutputType().getPhysical() + .isArray()) { + response = TypeHelpersProxy.toErlangAsList(result); + } else if (operation.getOutputType() == null) { + Object[] arrArg = new Object[] {}; + response = TypeHelpersProxy.toErlang(arrArg); + } else { + Object[] arrArg = new Object[] { result }; + response = TypeHelpersProxy.toErlang(arrArg); + } + sendMessage(connection, senderPid, senderRef, + MessageHelper.ATOM_OK, response); + } catch (Exception e) { + if ((e.getClass().equals( + InvocationTargetException.class) && e + .getCause().getClass().equals( + IllegalArgumentException.class)) + || e.getClass().equals( + TypeMismatchException.class)) { + // TODO: externalize message? + OtpErlangObject errorMsg = MessageHelper + .functionUndefMessage(module, function, + argsList, + "Operation name found in SCA component, but parameters types didn't match."); + sendMessage(connection, senderPid, senderRef, + MessageHelper.ATOM_BADRPC, errorMsg); + } else { + throw e; + } + } + } else { + // TODO: externalize message? + OtpErlangObject errorMsg = MessageHelper + .functionUndefMessage(module, function, argsList, + "Operation name not found in SCA component."); + sendMessage(connection, senderPid, senderRef, + MessageHelper.ATOM_BADRPC, errorMsg); + } + } + } catch (ClassCastException e) { + // TODO: externalize message? + try { + logger + .log( + Level.WARNING, + "On node '" + + nodeElement.getBinding().getNode() + + "' received RPC request which is invalid. Request content is: " + + msg.getMsg()); + } catch (OtpErlangDecodeException e1) { + } + } catch (Exception e) { + try { + sendMessage(connection, senderPid, senderRef, + MessageHelper.ATOM_ERROR, new OtpErlangString( + "Unhandled error while processing request: " + + e.getClass().getCanonicalName() + + ", message: " + e.getMessage())); + } catch (Exception e1) { + // error while sending error message. Can't do anything now + logger.log(Level.WARNING, "Error during sending error message", + e); + } + } + } + + private void handleMsg(OtpMsg msg) { + Operation matchedOperation = null; + Object args[] = null; + List<Operation> operations = groupedOperations.get(msg + .getRecipientName()); + if (operations == null) { + // TODO: externalize message? + // NOTE: I assume in Erlang sender doesn't get confirmation so + // no message will be send + logger.log(Level.WARNING, "Node '" + name + + "' received message addressed to non exising mbox: " + + msg.getRecipientName()); + } else { + for (Operation operation : operations) { + List<DataType> iTypes = operation.getInputType().getLogical(); + Class<?>[] forClasses = new Class<?>[iTypes.size()]; + for (int i = 0; i < iTypes.size(); i++) { + forClasses[i] = iTypes.get(i).getPhysical(); + } + try { + args = TypeHelpersProxy.toJavaAsArgs(msg.getMsg(), + forClasses); + matchedOperation = operation; + break; + } catch (Exception e) { + // this exception is expected while processing operation + // version with mismatched arguments + } + } + if (matchedOperation != null) { + try { + Object result = nodeElement.getService().getRuntimeWire( + nodeElement.getBinding()).invoke(matchedOperation, + args); + OtpErlangObject response = null; + if (matchedOperation.getOutputType() != null + && matchedOperation.getOutputType().getPhysical() + .isArray()) { + response = TypeHelpersProxy.toErlangAsList(result); + } else if (matchedOperation.getOutputType() != null) { + Object[] arrArg = new Object[] { result }; + response = TypeHelpersProxy.toErlang(arrArg); + } + if (response != null) { + OtpNode node = new OtpNode( + getResponseClientNodeName(msg.getSenderPid())); + OtpMbox mbox = node.createMbox(); + mbox.send(msg.getSenderPid(), response); + } + } catch (InvocationTargetException e) { + // FIXME: use linking feature? send some error? + e.printStackTrace(); + // } catch (IOException e) { + } catch (Exception e) { + // FIXME: log this problem? use linking feature? send error? + e.printStackTrace(); + } + } else { + try { + // TODO: externalize message? + // NOTE: don't send error message if mapping not found + logger.log(Level.WARNING, + "No mapping for such arguments in '" + + msg.getRecipientName() + + "' operation in '" + name + + "' node. Recevied arguments: " + + msg.getMsg()); + } catch (OtpErlangDecodeException e) { + } + } + } + } + + public void run() { + try { + // NOTE: there's also a timeout, like in reference bindings + OtpMsg msg = null; + if (nodeElement.getBinding().hasTimeout()) { + msg = connection.receiveMsg(nodeElement.getBinding() + .getTimeout()); + } else { + msg = connection.receiveMsg(); + } + if (msg.getRecipientName().equals(MessageHelper.RPC_MBOX) + && !nodeElement.getBinding().isMbox()) { + handleRpc(msg); + } else if (!msg.getRecipientName().equals(MessageHelper.RPC_MBOX) + && nodeElement.getBinding().isMbox()) { + handleMsg(msg); + } else { + // received wrong message type + } + } catch (IOException e) { + // TODO: externalize message? + logger.log(Level.WARNING, "Problem while receiving message", e); + } catch (OtpErlangExit e) { + // TODO: linking? + } catch (OtpAuthException e) { + // TODO: cookies? does this exception occur sometime? + } catch (InterruptedException e) { + // NOTE: timeout will be logged + // TODO: externalize message? + logger.log(Level.WARNING, "Timeout while waiting for request", e); + } finally { + connection.close(); + } + } +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/TypeMismatchException.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/TypeMismatchException.java new file mode 100644 index 0000000000..b3562cc413 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/TypeMismatchException.java @@ -0,0 +1,50 @@ +/* + * 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.erlang.impl; + +/** + * @version $Rev$ $Date$ + */ +public class TypeMismatchException extends Exception { + + private static final long serialVersionUID = 1L; + private Class<?> expected; + private Class<?> received; + + public TypeMismatchException(Class<?> expected, Class<?> received) { + super("Received " + received + " cannot be mapped to " + + expected.getCanonicalName()); + this.expected = expected; + this.received = received; + } + + public TypeMismatchException() { + super("Arguments don't match"); + } + + public Class<?> getExpected() { + return expected; + } + + public Class<?> getReceived() { + return received; + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/exceptions/ErlangException.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/exceptions/ErlangException.java new file mode 100644 index 0000000000..587d7a509c --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/exceptions/ErlangException.java @@ -0,0 +1,37 @@ +/* + * 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.erlang.impl.exceptions; + +/** + * @version $Rev$ $Date$ + */ +public class ErlangException extends Exception { + + private static final long serialVersionUID = 1L; + + public ErlangException(String message) { + super(message); + } + + public ErlangException(String message, Throwable cause) { + super(message, cause); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/BinaryTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/BinaryTypeHelper.java new file mode 100644 index 0000000000..7385fe64e4 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/BinaryTypeHelper.java @@ -0,0 +1,39 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangBinary; +import com.ericsson.otp.erlang.OtpErlangObject; + +/** + * @version $Rev$ $Date$ + */ +public class BinaryTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangBinary((byte[])object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + return ((OtpErlangBinary)object).binaryValue(); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/BooleanTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/BooleanTypeHelper.java new file mode 100644 index 0000000000..9463b72eb9 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/BooleanTypeHelper.java @@ -0,0 +1,44 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangAtom; +import com.ericsson.otp.erlang.OtpErlangBoolean; +import com.ericsson.otp.erlang.OtpErlangObject; + +/** + * @version $Rev$ $Date$ + */ +public class BooleanTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangBoolean((Boolean) object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + if (object.getClass().equals(OtpErlangAtom.class)) { + return ((OtpErlangAtom) object).booleanValue(); + } else { + return ((OtpErlangBoolean) object).booleanValue(); + } + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ByteTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ByteTypeHelper.java new file mode 100644 index 0000000000..c6c8f6690f --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ByteTypeHelper.java @@ -0,0 +1,39 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangByte; +import com.ericsson.otp.erlang.OtpErlangLong; +import com.ericsson.otp.erlang.OtpErlangObject; + +/** + * @version $Rev$ $Date$ + */ +public class ByteTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangByte((Byte) object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + return (byte) ((OtpErlangLong) object).longValue(); + } +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/CharTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/CharTypeHelper.java new file mode 100644 index 0000000000..b0479c9b0c --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/CharTypeHelper.java @@ -0,0 +1,40 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangChar; +import com.ericsson.otp.erlang.OtpErlangLong; +import com.ericsson.otp.erlang.OtpErlangObject; + +/** + * @version $Rev$ $Date$ + */ +public class CharTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangChar((Character) object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + return (char) ((OtpErlangLong) object).longValue(); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/DoubleTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/DoubleTypeHelper.java new file mode 100644 index 0000000000..92dd4749ac --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/DoubleTypeHelper.java @@ -0,0 +1,39 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangDouble; +import com.ericsson.otp.erlang.OtpErlangObject; + +/** + * @version $Rev$ $Date$ + */ +public class DoubleTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangDouble((Double) object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + return ((OtpErlangDouble) object).doubleValue(); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/FloatTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/FloatTypeHelper.java new file mode 100644 index 0000000000..3ee695c3cc --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/FloatTypeHelper.java @@ -0,0 +1,39 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangDouble; +import com.ericsson.otp.erlang.OtpErlangObject; + +/** + * @version $Rev$ $Date$ + */ +public class FloatTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangDouble((Float) object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + return (float) ((OtpErlangDouble) object).doubleValue(); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/IntTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/IntTypeHelper.java new file mode 100644 index 0000000000..3ee8e7d9ac --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/IntTypeHelper.java @@ -0,0 +1,40 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangInt; +import com.ericsson.otp.erlang.OtpErlangLong; +import com.ericsson.otp.erlang.OtpErlangObject; + +/** + * @version $Rev$ $Date$ + */ +public class IntTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangInt((Integer) object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + return (int) ((OtpErlangLong) object).longValue(); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ListTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ListTypeHelper.java new file mode 100644 index 0000000000..adac10bcef --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ListTypeHelper.java @@ -0,0 +1,64 @@ +/* + * 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.erlang.impl.types; + +import java.lang.reflect.Array; +import java.util.ArrayList; +import java.util.List; + +import com.ericsson.otp.erlang.OtpErlangList; +import com.ericsson.otp.erlang.OtpErlangObject; + +/** + * @version $Rev$ $Date$ + */ +public class ListTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + int i = 0; + List<OtpErlangObject> elements = new ArrayList<OtpErlangObject>(); + while (true) { + try { + Object arrElement = Array.get(object, i); + Object[] args = new Object[] { arrElement }; + elements.add(TypeHelpersProxy.toErlang(args)); + i++; + } catch (ArrayIndexOutOfBoundsException e) { + // expected + break; + } + } + return new OtpErlangList(elements.toArray(new OtpErlangObject[elements + .size()])); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + OtpErlangList erlangList = (OtpErlangList) object; + Object result = Array.newInstance(forClass.getComponentType(), + erlangList.arity()); + for (int i = 0; i < erlangList.arity(); i++) { + Array.set(result, i, TypeHelpersProxy.toJava(erlangList + .elementAt(i), forClass.getComponentType())); + } + return result; + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/LongTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/LongTypeHelper.java new file mode 100644 index 0000000000..711057569a --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/LongTypeHelper.java @@ -0,0 +1,39 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangLong; +import com.ericsson.otp.erlang.OtpErlangObject; + +/** + * @version $Rev$ $Date$ + */ +public class LongTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangLong((Long) object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + return ((OtpErlangLong) object).longValue(); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ShortTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ShortTypeHelper.java new file mode 100644 index 0000000000..73a68691a4 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ShortTypeHelper.java @@ -0,0 +1,40 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangLong; +import com.ericsson.otp.erlang.OtpErlangObject; +import com.ericsson.otp.erlang.OtpErlangShort; + +/** + * @version $Rev$ $Date$ + */ +public class ShortTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangShort((Short) object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + return (short) ((OtpErlangLong) object).longValue(); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/StringTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/StringTypeHelper.java new file mode 100644 index 0000000000..001ec47655 --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/StringTypeHelper.java @@ -0,0 +1,39 @@ +/* + * 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.erlang.impl.types; + +import com.ericsson.otp.erlang.OtpErlangObject; +import com.ericsson.otp.erlang.OtpErlangString; + +/** + * @version $Rev$ $Date$ + */ +public class StringTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + return new OtpErlangString((String) object); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + return ((OtpErlangString) object).stringValue(); + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java new file mode 100644 index 0000000000..474459b9dc --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java @@ -0,0 +1,71 @@ +/* + * 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.erlang.impl.types; + +import java.lang.reflect.Field; +import java.util.ArrayList; +import java.util.List; + +import com.ericsson.otp.erlang.OtpErlangObject; +import com.ericsson.otp.erlang.OtpErlangTuple; + +/** + * @version $Rev$ $Date$ + */ +public class TupleTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + Class<?> forClass = object.getClass(); + List<OtpErlangObject> tupleMembers = new ArrayList<OtpErlangObject>(); + Field[] fields = forClass.getFields(); + for (int i = 0; i < fields.length; i++) { + Object[] args = null; + try { + args = new Object[] { fields[i].get(object) }; + } catch (IllegalArgumentException e) { + // no problem should occur here + } catch (IllegalAccessException e) { + // and here + } + OtpErlangObject member = TypeHelpersProxy.toErlang(args); + tupleMembers.add(member); + } + OtpErlangObject result = new OtpErlangTuple(tupleMembers + .toArray(new OtpErlangObject[tupleMembers.size()])); + return result; + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + Object result = null; + OtpErlangTuple tuple = (OtpErlangTuple) object; + Field[] fields = forClass.getFields(); + result = forClass.newInstance(); + for (int i = 0; i < tuple.arity(); i++) { + OtpErlangObject tupleMember = tuple.elementAt(i); + Object javaMember = TypeHelpersProxy.toJava(tupleMember, fields[i] + .getType()); + fields[i].setAccessible(true); + fields[i].set(result, javaMember); + } + return result; + } + +} diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelper.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelper.java new file mode 100644 index 0000000000..add885ef6e --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelper.java @@ -0,0 +1,33 @@ +/*
+ * 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.erlang.impl.types;
+
+import com.ericsson.otp.erlang.OtpErlangObject;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface TypeHelper {
+
+ Object toJava(OtpErlangObject object, Class<?> forClass) throws Exception;
+
+ OtpErlangObject toErlang(Object object);
+
+}
diff --git a/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelpersProxy.java b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelpersProxy.java new file mode 100644 index 0000000000..cbfd93796f --- /dev/null +++ b/branches/sca-java-1.x/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelpersProxy.java @@ -0,0 +1,218 @@ +/*
+ * 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.erlang.impl.types;
+
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.binding.erlang.impl.TypeMismatchException;
+
+import com.ericsson.otp.erlang.OtpErlangList;
+import com.ericsson.otp.erlang.OtpErlangObject;
+import com.ericsson.otp.erlang.OtpErlangTuple;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class TypeHelpersProxy {
+
+ private static Map<Class<?>, TypeHelper> primitiveTypes = null;
+
+ static {
+ // initiate type helpers
+ primitiveTypes = new HashMap<Class<?>, TypeHelper>();
+ primitiveTypes.put(boolean.class, new BooleanTypeHelper());
+ primitiveTypes.put(short.class, new ShortTypeHelper());
+ primitiveTypes.put(byte.class, new ByteTypeHelper());
+ primitiveTypes.put(char.class, new CharTypeHelper());
+ primitiveTypes.put(int.class, new IntTypeHelper());
+ primitiveTypes.put(long.class, new LongTypeHelper());
+ primitiveTypes.put(float.class, new FloatTypeHelper());
+ primitiveTypes.put(double.class, new DoubleTypeHelper());
+ primitiveTypes.put(String.class, new StringTypeHelper());
+ primitiveTypes.put(Boolean.class, primitiveTypes.get(boolean.class));
+ primitiveTypes.put(Character.class, primitiveTypes.get(char.class));
+ primitiveTypes.put(Short.class, primitiveTypes.get(char.class));
+ primitiveTypes.put(Byte.class, primitiveTypes.get(byte.class));
+ primitiveTypes.put(Short.class, primitiveTypes.get(short.class));
+ primitiveTypes.put(Integer.class, primitiveTypes.get(int.class));
+ primitiveTypes.put(Long.class, primitiveTypes.get(long.class));
+ primitiveTypes.put(Float.class, primitiveTypes.get(float.class));
+ primitiveTypes.put(Double.class, primitiveTypes.get(double.class));
+ primitiveTypes.put(byte[].class, new BinaryTypeHelper());
+ }
+
+ private static TypeHelper getTypeHelper(Class<?> forClass) {
+ TypeHelper typeHelper = primitiveTypes.get(forClass);
+ if (typeHelper == null && forClass.isArray()) {
+ typeHelper = new ListTypeHelper();
+ }
+ if (typeHelper == null) {
+ typeHelper = new TupleTypeHelper();
+ }
+ return typeHelper;
+ }
+
+ /**
+ * Converts Java objects arrays to Erlang: 1. single object (if array arity
+ * == 1) or 2. tuple (if array arity > 1)
+ *
+ * @param objects
+ * @return
+ */
+ public static OtpErlangObject toErlang(Object[] objects) {
+ OtpErlangObject result = null;
+ if (objects != null) {
+ TypeHelper helper = null;
+ switch (objects.length) {
+ case 0:
+ result = new OtpErlangList();
+ break;
+ case 1:
+ helper = getTypeHelper(objects[0].getClass());
+ result = helper.toErlang(objects[0]);
+ break;
+ default:
+ OtpErlangObject[] erlObjects = new OtpErlangObject[objects.length];
+ for (int i = 0; i < objects.length; i++) {
+ helper = getTypeHelper(objects[i].getClass());
+ erlObjects[i] = helper.toErlang(objects[i]);
+ }
+ result = new OtpErlangTuple(erlObjects);
+ break;
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Creates Erlang list basing on unknown Java arrays
+ *
+ * @param array
+ * @return
+ */
+ public static OtpErlangList toErlangAsList(Object array) {
+ OtpErlangList result = null;
+ if (array != null) {
+ List<OtpErlangObject> attrsList = new ArrayList<OtpErlangObject>();
+ int i = 0;
+ while (true) {
+ try {
+ TypeHelper helper = getTypeHelper(Array.get(array, i)
+ .getClass());
+ attrsList.add(helper.toErlang(Array.get(array, i)));
+ i++;
+ } catch (ArrayIndexOutOfBoundsException e) {
+ break;
+ }
+ }
+ result = new OtpErlangList(attrsList
+ .toArray(new OtpErlangObject[attrsList.size()]));
+ } else {
+ result = new OtpErlangList();
+ }
+ return result;
+ }
+
+ /**
+ * Converts single Erlang object to Java
+ *
+ * @param object
+ * @param forClass
+ * @return
+ * @throws Exception
+ */
+ public static Object toJava(OtpErlangObject object, Class<?> forClass)
+ throws Exception {
+ try {
+ TypeHelper helper = getTypeHelper(forClass);
+ return helper.toJava(object, forClass);
+ } catch (ClassCastException e) {
+ throw new TypeMismatchException(forClass, object.getClass());
+ }
+ }
+
+ /**
+ * Creates array of Java objects from Erlang list
+ *
+ * @param objects
+ * @param forClass
+ * @return
+ * @throws Exception
+ */
+ public static Object[] toJavaFromList(OtpErlangList objects,
+ Class<?>[] forClass) throws Exception {
+ Object[] result = new Object[objects.arity()];
+ try {
+ for (int i = 0; i < objects.arity(); i++) {
+ TypeHelper helper = getTypeHelper(forClass[i]);
+ result[i] = helper.toJava(objects.elementAt(i), forClass[i]);
+ }
+ } catch (Exception e) {
+ // type mismatch as mismatch of parameters count or parameters type
+ if (e.getClass().equals(ClassCastException.class)
+ || e.getClass()
+ .equals(ArrayIndexOutOfBoundsException.class))
+ throw new TypeMismatchException();
+ }
+ return result;
+ }
+
+ /**
+ * Converts incoming Erlang message to operation arguments
+ *
+ * @param objects
+ * @param forClass
+ * @return
+ * @throws Exception
+ */
+ public static Object[] toJavaAsArgs(OtpErlangObject objects,
+ Class<?>[] forClass) throws Exception {
+ OtpErlangObject[] args = null;
+ // normalize input
+ if (objects.getClass().equals(OtpErlangTuple.class)) {
+ args = new OtpErlangObject[((OtpErlangTuple) objects).arity()];
+ for (int i = 0; i < ((OtpErlangTuple) objects).arity(); i++) {
+ args[i] = ((OtpErlangTuple) objects).elementAt(i);
+ }
+ } else {
+ args = new OtpErlangObject[1];
+ args[0] = objects;
+ }
+ Object[] result = new Object[args.length];
+ try {
+ for (int i = 0; i < args.length; i++) {
+ TypeHelper helper = getTypeHelper(forClass[i]);
+ result[i] = helper.toJava(args[i], forClass[i]);
+ }
+ } catch (Exception e) {
+ // type mismatch as mismatch of parameters count or parameters type
+ if (e.getClass().equals(ClassCastException.class)
+ || e.getClass()
+ .equals(ArrayIndexOutOfBoundsException.class))
+ throw new TypeMismatchException();
+ }
+ return result;
+ }
+
+}
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