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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-python-runtime/src/main/java/org/apache/tuscany/sca/implementation/python/provider/PythonInvoker.java | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-python-runtime/src/main/java/org/apache/tuscany/sca/implementation/python/provider/PythonInvoker.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-python-runtime/src/main/java/org/apache/tuscany/sca/implementation/python/provider/PythonInvoker.java new file mode 100644 index 0000000000..a49e5e3296 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-python-runtime/src/main/java/org/apache/tuscany/sca/implementation/python/provider/PythonInvoker.java @@ -0,0 +1,59 @@ +/* + * 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.implementation.python.provider; + +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.python.core.PyObject; +import org.python.core.PyString; +import org.python.util.PythonInterpreter; + +/** + * An invoker for Python components. + * + * @version $Rev$ $Date$ + */ +class PythonInvoker implements Invoker { + final PythonInterpreter python; + final PyObject callable; + final Operation operation; + + PythonInvoker(final PythonInterpreter py, final PyObject c, final Operation op) { + python = py; + callable = c; + operation = op; + } + + String apply(final String req) { + PyObject r = callable.__call__(new PyString(req)); + return r.toString(); + } + + public Message invoke(final Message msg) { + try { + msg.setBody(apply((String)((Object[])msg.getBody())[0])); + } catch(Exception e) { + e.printStackTrace(); + msg.setFaultBody(e.getCause()); + } + return msg; + } +} |