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/*
* 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 String getEngineName() {
return engineName;
}
@Override
public String getEngineVersion() {
return Gremlin.version();
}
@Override
public List<String> getExtensions() {
return extensions;
}
@Override
public 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 this.getEngineName();
} 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 this.getLanguageName();
} 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();
}
}