diff options
author | rfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68> | 2010-03-16 21:31:55 +0000 |
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committer | rfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68> | 2010-03-16 21:31:55 +0000 |
commit | d7f043799799120cf6be7b2c18cdb54b9d9df284 (patch) | |
tree | f839c947dd4c168f16ac6f2a98827975c1d2f6f6 /sca-java-2.x/trunk/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptInvoker.java | |
parent | 7f3b1600785ab32438b87494ef0e55dc34323203 (diff) |
Port implementation-script-runtime into 2.x
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@923996 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/trunk/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptInvoker.java')
-rw-r--r-- | sca-java-2.x/trunk/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptInvoker.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptInvoker.java b/sca-java-2.x/trunk/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptInvoker.java new file mode 100644 index 0000000000..976eb2c0dd --- /dev/null +++ b/sca-java-2.x/trunk/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/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.provider; + +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 { + + private ScriptEngine scriptEngine; + private XMLHelper xmlHelper; + private Operation operation; + + public ScriptInvoker(ScriptEngine scriptEngine, XMLHelper xmlHelper, Operation operation) { + this.scriptEngine = scriptEngine; + this.xmlHelper = xmlHelper; + this.operation = operation; + } + + private 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; + } + +} |