cz/vutbr/fit/dudka/SGVis/Lookup/Lookup.java

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package cz.vutbr.fit.dudka.SGVis.Lookup;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

public class Lookup {
  private SimpleDownloader downloader = new SimpleDownloader();
  private String urlBase;
  
  public Lookup(String urlBase) {
    this.urlBase = urlBase;
  }
  
  public String getUrlBase() {
    return urlBase;
  }
  
  public void setUrlBase(String urlBase) {
    this.urlBase = urlBase;
  }
  
  public String lookup(Request rq) throws MalformedURLException, IOException {
    URL rqUrl = this.buildUrl(rq);
    return downloader.download(rqUrl);
  }
  
  private URL buildUrl(Request rq) throws MalformedURLException {
    String[] q = rq.getQ();
    if (q.length==0)
      throw new RuntimeException("Empty lookup");
    
    // TODO: handle URL strings containing query
    // (encode/decode URL)
    StringBuffer urlString =
      new StringBuffer(this.urlBase+"?q=");
    for (int i=0; i<q.length; i++)
      urlString.append((i+1>=q.length)?
        q[i]:
        q[i]+",");
    urlString.append("&edo="+(rq.edo?1:0));
    urlString.append("&edi="+(rq.edi?1:0));
    urlString.append("&fme="+(rq.fme?1:0));
    return new URL(urlString.toString());
  }
}

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