diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6/modules/implementation-script/src/main/java/org/apache/tuscany/sca/implementation/script/ScriptInvoker.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/modules/implementation-script/src/main/java/org/apache/tuscany/sca/implementation/script/ScriptInvoker.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/modules/implementation-script/src/main/java/org/apache/tuscany/sca/implementation/script/ScriptInvoker.java b/sca-java-1.x/tags/1.6/modules/implementation-script/src/main/java/org/apache/tuscany/sca/implementation/script/ScriptInvoker.java new file mode 100644 index 0000000000..2ccb414be8 --- /dev/null +++ b/sca-java-1.x/tags/1.6/modules/implementation-script/src/main/java/org/apache/tuscany/sca/implementation/script/ScriptInvoker.java @@ -0,0 +1,84 @@ +/* + * 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.script; + +import javax.script.Invocable; +import javax.script.ScriptEngine; +import javax.script.ScriptException; + +import org.apache.axiom.om.OMElement; +import org.apache.bsf.xml.XMLHelper; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +/** + * Perform the actual script invocation + * + * @version $Rev$ $Date$ + */ +public class ScriptInvoker implements Invoker { + + protected ScriptEngine scriptEngine; + protected XMLHelper xmlHelper; + protected Operation operation; + + public ScriptInvoker(ScriptEngine scriptEngine, XMLHelper xmlHelper, Operation operation) { + this.scriptEngine = scriptEngine; + this.xmlHelper = xmlHelper; + this.operation = operation; + } + + protected Object doInvoke(Object[] objects, Operation op) throws ScriptException { + if (xmlHelper != null) { + objects[0] = xmlHelper.toScriptXML((OMElement)objects[0]); + } + + Operation oper = operation; // static setting + if (oper.getName() == null) { // if no static setting + oper = op; // use dynamic setting + } + Object response; + try { + response = ((Invocable)scriptEngine).invokeFunction(oper.getName(), objects); + } catch (ScriptException e) { + throw e; + } catch (Exception e) { + throw new ScriptException(e); + } + + if (xmlHelper != null) { + response = xmlHelper.toOMElement(response); + } + + return response; + } + + public Message invoke(Message msg) { + try { + Object resp = doInvoke((Object[])msg.getBody(), msg.getOperation()); + msg.setBody(resp); + } catch (ScriptException e) { + msg.setFaultBody(e.getCause()); + } + return msg; + } + +} |