com.weibo.rill.flow.service.mapping.JsonValueMapping Maven / Gradle / Ivy

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/*
 *  Copyright 2021-2023 Weibo, Inc.
 *
 *    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 com.weibo.rill.flow.service.mapping;

import com.googlecode.aviator.Expression;
import com.weibo.rill.flow.olympicene.traversal.mappings.JSONPathInputOutputMapping;
import com.weibo.rill.flow.service.manager.AviatorCache;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Map;


@Service
public class JsonValueMapping extends JSONPathInputOutputMapping {
    @Autowired
    private AviatorCache aviatorCache;

    @Override
    public Object doTransform(String transform, Map env) {
        Expression expression = aviatorCache.getAviatorExpression(transform);
        return expression.execute(env);
    }
}