| /* |
| * 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.nifi.script.impl; |
| |
| import org.apache.nifi.processors.script.engine.ClojureScriptEngine; |
| |
| import javax.script.Bindings; |
| import javax.script.ScriptContext; |
| import javax.script.ScriptEngine; |
| import javax.script.ScriptException; |
| |
| public class ClojureScriptRunner extends BaseScriptRunner { |
| |
| private static final String PRELOADS = |
| "(:import \n" |
| + "[org.apache.nifi.components " |
| + "AbstractConfigurableComponent AllowableValue ConfigurableComponent PropertyDescriptor PropertyValue ValidationContext ValidationResult Validator" |
| + "]\n" |
| + "[org.apache.nifi.components.state Scope StateManager StateMap]\n" |
| + "[org.apache.nifi.flowfile FlowFile]\n" |
| + "[org.apache.nifi.processor " |
| + "AbstractProcessor AbstractSessionFactoryProcessor DataUnit FlowFileFilter ProcessContext Processor " |
| + "ProcessorInitializationContext ProcessSession ProcessSessionFactory Relationship ProcessContext" |
| + "]\n" |
| + "[org.apache.nifi.processor.exception FlowFileAccessException FlowFileHandlingException MissingFlowFileException ProcessException]\n" |
| + "[org.apache.nifi.processor.io InputStreamCallback OutputStreamCallback StreamCallback]\n" |
| + "[org.apache.nifi.processor.util FlowFileFilters StandardValidators]\n" |
| + "[org.apache.nifi.processors.script ExecuteScript InvokeScriptedProcessor ScriptRunner]\n" |
| + "[org.apache.nifi.script ScriptingComponentHelper ScriptingComponentUtils]\n" |
| + "[org.apache.nifi.logging ComponentLog]\n" |
| + "[org.apache.nifi.lookup LookupService RecordLookupService StringLookupService LookupFailureException]\n" |
| + "[org.apache.nifi.record.sink RecordSinkService]\n" |
| + ")\n"; |
| |
| public ClojureScriptRunner(ScriptEngine engine, String scriptBody, String[] modulePaths) { |
| super(engine, scriptBody, modulePaths); |
| } |
| |
| @Override |
| public String getScriptEngineName() { |
| return "Clojure"; |
| } |
| |
| @Override |
| public void run(Bindings bindings) throws ScriptException { |
| String sb = "(ns " + ((ClojureScriptEngine) scriptEngine).getNamespace() + |
| " " + |
| PRELOADS + |
| ")\n" + |
| scriptBody; |
| scriptEngine.setBindings(bindings, ScriptContext.ENGINE_SCOPE); |
| scriptEngine.eval(sb); |
| } |
| } |