/*
* (C) Copyright 2015-2016 the original author or authors.
*
* 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.
*
* Contributors:
* ohun@live.cn (夜色)
*/
package com.mpush.common.condition;
import com.mpush.api.common.Condition;
import javax.script.*;
import java.util.Map;
/**
* Created by ohun on 16/10/24.
*
* @author ohun@live.cn (夜色)
*/
public final class ScriptCondition implements Condition {
private static final ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
private static final ScriptEngine jsEngine = scriptEngineManager.getEngineByName("js");
private final String script;
public ScriptCondition(String script) {
this.script = script;
}
@Override
public boolean test(Map<String, Object> env) {
try {
return (Boolean) jsEngine.eval(script, new SimpleBindings(env));
} catch (Exception e) {
return false;
}
}
}