springmvc添加mock json的支持

在springmvc中添加对服务器classPath下的json文件解析之后返回的mock功能：

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.net.URL;

import java.net.URLConnection;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.web.bind.annotation.PathVariable;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.RestController;

import com.fasterxml.jackson.databind.JsonNode;

import com.fasterxml.jackson.databind.ObjectMapper;

@RestController

@RequestMapping("/mock")

public class MockController {

    @RequestMapping(value = "/{module}/{action}", method = RequestMethod.POST)

    public JsonNode mockContent(@PathVariable String module, @PathVariable String action, HttpServletRequest request,

            HttpServletResponse response) {

        JsonNode actualObj = null;

        InputStream fis = null;

        try {

            ClassLoader ctxLoader = Thread.currentThread().getContextClassLoader();

            URL resURL = ctxLoader.getResource(action + ".json");

            URLConnection resConn = resURL.openConnection();

            resConn.setUseCaches(false);

            fis = resConn.getInputStream();

            StringBuilder builder = new StringBuilder();

            int ch;

            while ((ch = fis.read()) != -1) {

                builder.append((char) ch);

            }

            ObjectMapper mapper = new ObjectMapper();

            actualObj = mapper.readTree(builder.toString());

        } catch (FileNotFoundException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        } finally {

            if (fis != null) {

                try {

                    fis.close();

                } catch (IOException e) {

                }

            }

        }

        return actualObj;

    }

}

相应的也可以增加其他的类型支持，比如string数据，或者是其他的。由于 springmvc rest接口默认会使用json的转化器，所以需要转化成对应的json格式

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springmvc添加mock json的支持

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