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package com.gwain.restex;
import com.gwain.restex.entities.YandexSpellerResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.codehaus.jackson.map.DeserializationConfig;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializationConfig;
/**
*
* @author Конарх
*/
public class YandexSpellCheckerServlet extends HttpServlet {
private DefaultHttpClient client = new DefaultHttpClient();
private final BasicResponseHandler handler = new BasicResponseHandler();
ObjectMapper mapper =new ObjectMapper();
@Override
public void init(){
mapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
req.setCharacterEncoding("utf-8");
final String word = req.getParameter("word");
System.out.println(word);
final HttpPost post = new HttpPost("http://speller.yandex.net/services/spellservice.json/checkText");
post.setHeader("Content-Encoding", "UTF-8");//Not really needed here
final List<NameValuePair> postContent = new ArrayList<NameValuePair>();
postContent.add(new BasicNameValuePair("text", word));
postContent.add(new BasicNameValuePair("lang", "ru"));
post.setEntity(new UrlEncodedFormEntity(postContent, "utf-8"));
try{
final String json = handler.handleResponse(client.execute(post));
//System.out.println(String.format("json: %s", json));
YandexSpellerResponse[] variants = mapper.readValue(json, YandexSpellerResponse[].class);
if (variants.length>0){
req.setAttribute("variants", variants[0].getS());
}
} finally {
post.releaseConnection();
}
final RequestDispatcher rd = getServletContext().getRequestDispatcher("/index.jsp");
rd.forward(req, resp);
}
}