/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.mantle.client.commands;

import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.RunAsyncCallback;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.Window;
import org.pentaho.mantle.client.workspace.SchedulesPerspectivePanel;

public class RefreshSchedulesCommand extends AbstractCommand {

  public RefreshSchedulesCommand() {
  }

  protected void performOperation() {
    performOperation( true );
  }

  protected void performOperation( boolean feedback ) {
    try {
      final String url = GWT.getHostPageBaseURL() + "api/repo/files/canAdminister"; //$NON-NLS-1$
      RequestBuilder requestBuilder = new RequestBuilder( RequestBuilder.GET, url );
      requestBuilder.setHeader( "accept", "text/plain" );
      requestBuilder.setHeader( "If-Modified-Since", "01 Jan 1970 00:00:00 GMT" );
      requestBuilder.sendRequest( null, new RequestCallback() {

        public void onError( Request request, Throwable caught ) {
          GWT.runAsync( new RunAsyncCallback() {

            public void onSuccess() {
              SchedulesPerspectivePanel.getInstance().refresh();
            }

            public void onFailure( Throwable reason ) {
            }
          } );
        }

        public void onResponseReceived( Request request, final Response response ) {
          GWT.runAsync( new RunAsyncCallback() {

            public void onSuccess() {
              SchedulesPerspectivePanel.getInstance().refresh();
            }

            public void onFailure( Throwable reason ) {
            }
          } );
        }

      } );
    } catch ( RequestException e ) {
      Window.alert( e.getMessage() );
    }
  }

}