SuggestPrefixUriCommand.java

package org.deri.grefine.rdf.commands;

import java.io.IOException;

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

import org.deri.grefine.rdf.app.ApplicationContext;
import org.json.JSONWriter;


public class SuggestPrefixUriCommand extends RdfCommand{

	public SuggestPrefixUriCommand(ApplicationContext ctxt) {
		super(ctxt);
	}

	@Override
	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String prefix = request.getParameter("prefix");
		String uri = this.getRdfContext().getPrefixManager().getUri(prefix);
		try{
			response.setCharacterEncoding("UTF-8");
	        response.setHeader("Content-Type", "application/json");
	        JSONWriter writer = new JSONWriter(response.getWriter());
            writer.object();
            writer.key("code"); writer.value("ok");
            writer.key("uri"); writer.value(uri);
            writer.endObject();
		}catch(Exception e){
			respondException(response, e);
		}
	}

}