RandomSec/main/src/com/google/refine/commands/GetPreferenceCommand.java

/*

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*/

package com.google.refine.commands;

import java.io.IOException;

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

import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.refine.ProjectManager;
import com.google.refine.preference.PreferenceStore;
import com.google.refine.preference.TopList;

public class GetPreferenceCommand extends Command {
    protected static class PreferenceValue  {
        @JsonProperty("value")
        protected Object value;
        
        protected PreferenceValue(Object pref) {
            if (pref == null || pref instanceof String || pref instanceof Number || pref instanceof Boolean || pref instanceof TopList) {
                value = pref;
            } else {
                value = pref.toString();
            }
        }
    }
    
    @Override
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        PreferenceStore ps = ProjectManager.singleton.getPreferenceStore();
                
        String prefName = request.getParameter("name");
        Object pref = ps.get(prefName);
        
        respondJSON(response, new PreferenceValue(pref));
    }

}