RandomSec/main/src/com/google/refine/commands/lang/LoadLanguageCommand.java

package com.google.refine.commands.lang;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;

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

import com.google.refine.commands.Command;

public class LoadLanguageCommand extends Command {

    public LoadLanguageCommand() {
        // TODO Auto-generated constructor stub
    }

    @Override
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        String rawDirectoryFile = request.getSession().getServletContext()
                .getRealPath("webapp/modules/langs/");
        String cleanedDirectory = rawDirectoryFile.replace("main" + File.separator + "webapp" + File.separator, "main" + File.separator);
        
        BufferedReader reader = null;
        String[] langs = request.getParameterValues("lng");
        langs = langs[0].split(" ");
        try {
            String file = cleanedDirectory + File.separator + "translation-" + langs[0] + ".json";
            reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
        } catch (FileNotFoundException e1) {
            try {
                String file = cleanedDirectory + File.separator + "translation-default.json";
                reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
            } catch (FileNotFoundException e3) {
                e3.printStackTrace();
            }
        }

        String line = null;
        String message = new String();
        if (reader != null) {
            while ((line = reader.readLine()) != null) {
                // buffer.append(line);
                message += line + System.getProperty("line.separator");
            }
        }

        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        response.getWriter().println(message);
        response.getWriter().flush();
        response.getWriter().close();
    }

}