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/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * 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 io.gravitee.el.spel.context;

import io.gravitee.el.TemplateContext;
import io.gravitee.el.spel.function.json.JsonPathFunction;
import io.gravitee.el.spel.function.xml.XPathFunction;
import org.springframework.beans.BeanUtils;
import org.springframework.expression.EvaluationContext;

/**
 * @author David BRASSELY (david.brassely at graviteesource.com)
 * @author GraviteeSource Team
 */
public class SpelTemplateContext implements TemplateContext {

    private final EvaluationContext context;

    public SpelTemplateContext() {
        context = new SecuredEvaluationContext();

        context.setVariable("jsonPath", BeanUtils.resolveSignature("evaluate", JsonPathFunction.class));
        context.setVariable("xpath", BeanUtils.resolveSignature("evaluate", XPathFunction.class));
    }

    @Override
    public void setVariable(String name, Object value) {
        context.setVariable(name, value);
    }

    @Override
    public Object lookupVariable(String name) {
        return context.lookupVariable(name);
    }

    public EvaluationContext getContext() {
        return context;
    }
}