code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/commands/EmptyTrashCommand.java

   1 /*
   2  * Copyright 2011 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client.commands;
  36
  37 import gr.grnet.pithos.web.client.Pithos;
  38 import gr.grnet.pithos.web.client.rest.DeleteCommand;
  39 import gr.grnet.pithos.web.client.rest.RestException;
  40
  41 import com.google.gwt.core.client.GWT;
  42 import com.google.gwt.user.client.Command;
  43 import com.google.gwt.user.client.DeferredCommand;
  44 import com.google.gwt.user.client.ui.PopupPanel;
  45
  46
  47 /**
  48  * Command to empty trash bin.
  49  */
  50 public class EmptyTrashCommand implements Command{
  51         private PopupPanel containerPanel;
  52
  53     private Pithos app;
  54
  55         public EmptyTrashCommand(Pithos _app, PopupPanel _containerPanel){
  56         app = _app;
  57                 containerPanel = _containerPanel;
  58         }
  59
  60         @Override
  61         public void execute() {
  62                 containerPanel.hide();
  63                 DeleteCommand df = new DeleteCommand(app, app.getTreeView().getTrash().getUri()){
  64
  65                         @Override
  66                         public void onComplete() {
  67                                 app.getTreeView().updateTrashNode();
  68                                 app.showFileList(true);
  69                         }
  70
  71                         @Override
  72                         public void onError(Throwable t) {
  73                                 GWT.log("", t);
  74                                 if(t instanceof RestException){
  75                                         int statusCode = ((RestException)t).getHttpStatusCode();
  76                                         if(statusCode == 405)
  77                                                 app.displayError("You don't have the necessary permissions");
  78                                         else if(statusCode == 404)
  79                                                 app.displayError("Resource does not exist");
  80                                         else
  81                                                 app.displayError("Unable to empty trash:"+((RestException)t).getHttpStatusText());
  82                                 }
  83                                 else
  84                                         app.displayError("System error emptying trash:"+t.getMessage());
  85                         }
  86                 };
  87                 DeferredCommand.addCommand(df);
  88         }
  89
  90 }