io.github.chibat.selva.response.JsonResponse.java Source code

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Here is the source code for io.github.chibat.selva.response.JsonResponse.java

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/*
 * Copyright 2015- Tomofumi Chiba
 *
 *  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.github.chibat.selva.response;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.fasterxml.jackson.databind.ObjectMapper;

public class JsonResponse<T> extends Response {

    protected final Object model;

    public JsonResponse(T model) {
        this.model = model;
    }

    public JsonResponse(String rootName, T model) {
        Map<String, T> map = new HashMap<>();
        map.put(rootName, model);
        this.type("text/javascript; charset=utf-8");
        this.model = map;
    }

    public void execute(HttpServletRequest request, HttpServletResponse response, ServletContext servletContext)
            throws Exception {

        response.setStatus(this.status());
        response.setContentType(this.type());
        new ObjectMapper().writeValue(response.getWriter(), model);
        response.flushBuffer();
    }
}