DefaultScriptingProviderFactory.java
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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 org.keycloak.scripting;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.jboss.logging.Logger;
import org.keycloak.Config;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.KeycloakSessionFactory;
import javax.script.ScriptEngine;
/**
* @author <a href="mailto:thomas.darimont@gmail.com">Thomas Darimont</a>
*/
public class DefaultScriptingProviderFactory implements ScriptingProviderFactory {
private static final Logger logger = Logger.getLogger(DefaultScriptingProviderFactory.class);
static final String ID = "default";
private boolean enableScriptEngineCache;
// Key is mime-type. Value is engine for the particular mime-type. Cache can be used when the scriptEngine can be shared across multiple threads / requests (which is the case for nashorn)
private Map<String, ScriptEngine> scriptEngineCache;
private Config.Scope config;
@Override
public ScriptingProvider create(KeycloakSession session) {
return new DefaultScriptingProvider(this);
}
@Override
public void init(Config.Scope config) {
this.config = config;
this.enableScriptEngineCache = config.getBoolean("enable-script-engine-cache", true);
logger.debugf("Enable script engine cache: %b", this.enableScriptEngineCache);
if (enableScriptEngineCache) {
scriptEngineCache = new ConcurrentHashMap<>();
}
}
boolean isEnableScriptEngineCache() {
return enableScriptEngineCache;
}
Map<String, ScriptEngine> getScriptEngineCache() {
return scriptEngineCache;
}
Config.Scope getConfig() {
return config;
}
@Override
public void postInit(KeycloakSessionFactory factory) {
//NOOP
}
@Override
public void close() {
//NOOP
}
@Override
public String getId() {
return ID;
}
}