TGBrowserConnection.java

package org.herac.tuxguitar.community.browser;

import java.util.List;

import org.herac.tuxguitar.community.TGCommunitySingleton;
import org.herac.tuxguitar.community.auth.TGCommunityAuth;
import org.herac.tuxguitar.community.auth.TGCommunityAuthDialog;
import org.herac.tuxguitar.gui.TuxGuitar;
import org.herac.tuxguitar.gui.tools.browser.TGBrowserException;
import org.herac.tuxguitar.gui.tools.browser.base.TGBrowserElement;

public class TGBrowserConnection {

  private static final String HTTP_STATUS_OK = "200";
  private static final String HTTP_STATUS_UNAUTHORIZED = "401";

  private TGCommunityAuth auth;

  public TGBrowserConnection() {
    this.auth = TGCommunitySingleton.getInstance().getAuth();
    this.auth.update();
  }

  public void getElements(List<TGBrowserElement> elements, TGBrowserElementImpl element)
      throws TGBrowserException {
    try {
      TGBrowserRequest request = new TGBrowserRequest(this.auth, element);
      TGBrowserResponse response = request.getResponse();

      String status = response.getStatus();
      if (status != null && status.equals(HTTP_STATUS_OK)) {
        response.loadElements(elements);
      } else if (status != null && status.equals(HTTP_STATUS_UNAUTHORIZED)) {
        TGCommunityAuthDialog authDialog = new TGCommunityAuthDialog();
        if (!TuxGuitar.instance().getBrowser().isDisposed()) {
          authDialog.open(TuxGuitar.instance().getBrowser().getShell());
          if (authDialog.isAccepted()) {
            this.auth.update();
            this.getElements(elements, element);
          }
        }
      }
    } catch (Throwable throwable) {
      throw new TGBrowserException(throwable);
    }
  }
}