| /* |
| * 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.tinkerpop.gremlin.jsr223; |
| |
| import org.apache.tinkerpop.gremlin.util.Gremlin; |
| |
| import javax.script.ScriptEngine; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * A simple base implementation of the {@link GremlinScriptEngineFactory}. |
| * |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| public abstract class AbstractGremlinScriptEngineFactory implements GremlinScriptEngineFactory { |
| |
| private final String engineName; |
| private final String languageName; |
| private final List<String> extensions; |
| private final List<String> mimeTypes; |
| |
| protected GremlinScriptEngineManager manager; |
| |
| public AbstractGremlinScriptEngineFactory(final String engineName, final String languageName, |
| final List<String> extensions, final List<String> mimeTypes) { |
| this.engineName = engineName; |
| this.languageName = languageName; |
| this.extensions = Collections.unmodifiableList(extensions); |
| this.mimeTypes = Collections.unmodifiableList(mimeTypes); |
| } |
| |
| @Override |
| public void setCustomizerManager(final GremlinScriptEngineManager manager) { |
| this.manager = manager; |
| } |
| |
| @Override |
| public final String getEngineName() { |
| return engineName; |
| } |
| |
| @Override |
| public String getEngineVersion() { |
| return Gremlin.version(); |
| } |
| |
| @Override |
| public List<String> getExtensions() { |
| return extensions; |
| } |
| |
| @Override |
| public final String getLanguageName() { |
| return languageName; |
| } |
| |
| @Override |
| public String getLanguageVersion() { |
| return Gremlin.version(); |
| } |
| |
| @Override |
| public List<String> getMimeTypes() { |
| return mimeTypes; |
| } |
| |
| @Override |
| public List<String> getNames() { |
| return Collections.singletonList(languageName); |
| } |
| |
| @Override |
| public Object getParameter(final String key) { |
| if (key.equals(ScriptEngine.ENGINE)) { |
| return engineName; |
| } else if (key.equals(ScriptEngine.ENGINE_VERSION)) { |
| return this.getEngineVersion(); |
| } else if (key.equals(ScriptEngine.NAME)) { |
| return engineName; |
| } else if (key.equals(ScriptEngine.LANGUAGE)) { |
| return languageName; |
| } else if (key.equals(ScriptEngine.LANGUAGE_VERSION)) { |
| return this.getLanguageVersion(); |
| } else |
| return null; |
| } |
| |
| /** |
| * Statements are concatenated together by a line feed. |
| */ |
| @Override |
| public String getProgram(final String... statements) { |
| final StringBuilder program = new StringBuilder(); |
| |
| for (String statement : statements) { |
| program.append(statement).append(System.lineSeparator()); |
| } |
| |
| return program.toString(); |
| } |
| } |