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

   1 /*
   2  * Copyright 2011-2012 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.foldertree.File;
  39 import gr.grnet.pithos.web.client.foldertree.Folder;
  40 import gr.grnet.pithos.web.client.Resource;
  41 import gr.grnet.pithos.web.client.rest.PutRequest;
  42 import gr.grnet.pithos.web.client.rest.RestException;
  43
  44 import java.util.Iterator;
  45 import java.util.List;
  46
  47 import com.google.gwt.core.client.GWT;
  48 import com.google.gwt.core.client.Scheduler;
  49 import com.google.gwt.http.client.Response;
  50 import com.google.gwt.http.client.URL;
  51 import com.google.gwt.user.client.Command;
  52 import com.google.gwt.user.client.ui.PopupPanel;
  53
  54 /**
  55  *
  56  * Move file or folder to trash.
  57  *
  58  *
  59  */
  60 public class ToTrashCommand implements Command{
  61         private PopupPanel containerPanel;
  62         protected Pithos app;
  63         protected Object resource;
  64
  65         public ToTrashCommand(Pithos _app, PopupPanel _containerPanel, Object _resource){
  66                 containerPanel = _containerPanel;
  67         app = _app;
  68         resource = _resource;
  69         }
  70
  71         @Override
  72         public void execute() {
  73         if (containerPanel != null)
  74                 containerPanel.hide();
  75         if (resource instanceof List) {
  76             @SuppressWarnings("unchecked")
  77                         Iterator<File> iter = ((List<File>) resource).iterator();
  78             trashFiles(iter, new Command() {
  79                 @SuppressWarnings("unchecked")
  80                                 @Override
  81                 public void execute() {
  82                         Folder f = ((List<File>) resource).get(0).getParent();
  83                         if (app.isMySharedSelected())
  84                                 app.updateSharedFolder(f, true, new Command() {
  85
  86                                                         @Override
  87                                                         public void execute() {
  88                                                                 app.updateTrash(false, null);
  89                                                         }
  90                                                 });
  91                         else
  92                             app.updateFolder(f, true, new Command() {
  93
  94                                                         @Override
  95                                                         public void execute() {
  96                                                                 app.updateTrash(false, null);
  97                                                         }
  98                                                 }, true);
  99                 }
 100             });
 101         }
 102         else if (resource instanceof Folder) {
 103             final Folder toBeTrashed = (Folder) resource;
 104             trashFolder(toBeTrashed, new Command() {
 105                 @Override
 106                 public void execute() {
 107                     app.updateFolder(toBeTrashed.getParent(), true, new Command() {
 108
 109                                                 @Override
 110                                                 public void execute() {
 111                                                         app.updateTrash(false, null);
 112                                                 }
 113                                         }, true);
 114                 }
 115             });
 116
 117         }
 118         }
 119
 120     private void trashFolder(final Folder f, final Command callback) {
 121         String path = "/" + Pithos.TRASH_CONTAINER + "/" + f.getPrefix();
 122         app.copyFolder(f, app.getUserID(), path, true, callback);
 123     }
 124
 125     protected void trashFiles(final Iterator<File> iter, final Command callback) {
 126         if (iter.hasNext()) {
 127             File file = iter.next();
 128             String path = "/" + Pithos.TRASH_CONTAINER + "/" + file.getPath();
 129             PutRequest trashFile = new PutRequest(app.getApiPath(), app.getUserID(), path) {
 130                 @Override
 131                 public void onSuccess(Resource result) {
 132                     trashFiles(iter, callback);
 133                 }
 134
 135                 @Override
 136                 public void onError(Throwable t) {
 137                     GWT.log("", t);
 138                                         app.setError(t);
 139                     if (t instanceof RestException) {
 140                         app.displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
 141                     }
 142                     else
 143                         app.displayError("System error unable to copy file: "+t.getMessage());
 144                 }
 145
 146                                 @Override
 147                                 protected void onUnauthorized(Response response) {
 148                                         app.sessionExpired();
 149                                 }
 150             };
 151             trashFile.setHeader("X-Auth-Token", app.getUserToken());
 152             trashFile.setHeader("X-Move-From", URL.encodePathSegment(file.getUri()));
 153             trashFile.setHeader("Content-Type", file.getContentType());
 154             Scheduler.get().scheduleDeferred(trashFile);
 155         }
 156         else if (callback != null) {
 157             callback.execute();
 158         }
 159     }
 160
 161     protected void trashSubfolders(final Iterator<Folder> iter, final Command callback) {
 162         if (iter.hasNext()) {
 163             final Folder f = iter.next();
 164             trashFolder(f, new Command() {
 165
 166                                 @Override
 167                                 public void execute() {
 168                                         trashSubfolders(iter, callback);
 169                                 }
 170                         });
 171         }
 172         else  {
 173                 app.updateTrash(false, callback);
 174         }
 175     }
 176 }