guru.nidi.graphviz.engine.JdkJavascriptEngine Maven / Gradle / Ivy
/*
* Copyright © 2015 Stefan Niederhauser ([email protected])
*
* Licensed 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 guru.nidi.graphviz.engine;
public class JdkJavascriptEngine implements JavascriptEngine {
private final JavascriptEngine engine;
public JdkJavascriptEngine() {
engine = newEngine();
}
private JavascriptEngine newEngine() {
try {
return new GraalJavascriptEngine();
} catch (ExceptionInInitializerError | NoClassDefFoundError | IllegalStateException e) {
return new NashornJavascriptEngine();
}
}
@Override
public void executeJavascript(String raw) {
engine.executeJavascript(raw);
}
@Override
public String executeJavascript(String pre, String src, String post) {
return engine.executeJavascript(pre, src, post);
}
@Override
public void close() throws Exception {
engine.close();
}
}
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