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.foldertree.Resource;
  41 import gr.grnet.pithos.web.client.rest.DeleteRequest;
  42 import gr.grnet.pithos.web.client.rest.GetRequest;
  43 import gr.grnet.pithos.web.client.rest.PutRequest;
  44 import gr.grnet.pithos.web.client.rest.RestException;
  45
  46 import java.util.Iterator;
  47 import java.util.List;
  48
  49 import com.google.gwt.core.client.GWT;
  50 import com.google.gwt.core.client.Scheduler;
  51 import com.google.gwt.http.client.Response;
  52 import com.google.gwt.http.client.URL;
  53 import com.google.gwt.user.client.Command;
  54 import com.google.gwt.user.client.ui.PopupPanel;
  55
  56 /**
  57  *
  58  * Move file or folder to trash.
  59  *
  60  *
  61  */
  62 public class ToTrashCommand implements Command{
  63         private PopupPanel containerPanel;
  64         protected Pithos app;
  65         protected Object resource;
  66
  67         public ToTrashCommand(Pithos _app, PopupPanel _containerPanel, Object _resource){
  68                 containerPanel = _containerPanel;
  69         app = _app;
  70         resource = _resource;
  71         }
  72
  73         @Override
  74         public void execute() {
  75         if (containerPanel != null)
  76                 containerPanel.hide();
  77         if (resource instanceof List) {
  78             @SuppressWarnings("unchecked")
  79                         Iterator<File> iter = ((List<File>) resource).iterator();
  80             trashFiles(iter, new Command() {
  81                 @SuppressWarnings("unchecked")
  82                                 @Override
  83                 public void execute() {
  84                         Folder f = ((List<File>) resource).get(0).getParent();
  85                         if (app.isMySharedSelected())
  86                                 app.updateSharedFolder(f, true, new Command() {
  87
  88                                                         @Override
  89                                                         public void execute() {
  90                                                                 app.updateTrash(false, null);
  91                                                         }
  92                                                 });
  93                         else
  94                             app.updateFolder(f, true, new Command() {
  95
  96                                                         @Override
  97                                                         public void execute() {
  98                                                                 app.updateTrash(false, null);
  99                                                         }
 100                                                 }, true);
 101                 }
 102             });
 103         }
 104         else if (resource instanceof Folder) {
 105             final Folder toBeTrashed = (Folder) resource;
 106             trashFolder(toBeTrashed, new Command() {
 107                 @Override
 108                 public void execute() {
 109                     app.updateFolder(toBeTrashed.getParent(), true, new Command() {
 110
 111                                                 @Override
 112                                                 public void execute() {
 113                                                         app.updateTrash(false, null);
 114                                                 }
 115                                         }, true);
 116                 }
 117             });
 118
 119         }
 120         }
 121
 122     private void trashFolder(final Folder f, final Command callback) {
 123         String path = "/" + Pithos.TRASH_CONTAINER + "/" + f.getPrefix();
 124         PutRequest createFolder = new PutRequest(app.getApiPath(), app.getUsername(), path) {
 125             @Override
 126             public void onSuccess(Resource result) {
 127                 GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwner(), "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + URL.encodeQueryString(f.getPrefix()), f) {
 128
 129                                         @Override
 130                                         public void onSuccess(final Folder _f) {
 131                                             Iterator<File> iter = _f.getFiles().iterator();
 132                                             trashFiles(iter, new Command() {
 133                                                 @Override
 134                                                 public void execute() {
 135                                                     Iterator<Folder> iterf = _f.getSubfolders().iterator();
 136                                                     trashSubfolders(iterf, new Command() {
 137
 138                                                                         @Override
 139                                                                         public void execute() {
 140                                                                                 DeleteRequest deleteFolder = new DeleteRequest(app.getApiPath(), _f.getOwner(), URL.encode(_f.getUri())) {
 141
 142                                                                                         @Override
 143                                                                                         public void onSuccess(Resource _result) {
 144                                                                                                 if (callback != null)
 145                                                                                                         callback.execute();
 146                                                                                         }
 147
 148                                                                                         @Override
 149                                                                                         public void onError(Throwable t) {
 150                                                                             GWT.log("", t);
 151                                                                                                 app.setError(t);
 152                                                                             if (t instanceof RestException) {
 153                                                                                 if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND)
 154                                                                                         onSuccess(null);
 155                                                                                 else
 156                                                                                         app.displayError("Unable to delete folder: " + ((RestException) t).getHttpStatusText());
 157                                                                             }
 158                                                                             else
 159                                                                                 app.displayError("System error unable to delete folder: "+t.getMessage());
 160                                                                                         }
 161
 162                                                                                         @Override
 163                                                                                         protected void onUnauthorized(Response response) {
 164                                                                                                 app.sessionExpired();
 165                                                                                         }
 166                                                                                 };
 167                                                                                 deleteFolder.setHeader("X-Auth-Token", app.getToken());
 168                                                                                 Scheduler.get().scheduleDeferred(deleteFolder);
 169                                                                         }
 170                                                                 });
 171                                                 }
 172                                             });
 173                                         }
 174
 175                                         @Override
 176                                         public void onError(Throwable t) {
 177                                 GWT.log("", t);
 178                                                 app.setError(t);
 179                                 if (t instanceof RestException) {
 180                                     app.displayError("Unable to get folder: " + ((RestException) t).getHttpStatusText());
 181                                 }
 182                                 else
 183                                     app.displayError("System error getting folder: " + t.getMessage());
 184                                         }
 185
 186                                         @Override
 187                                         protected void onUnauthorized(Response response) {
 188                                                 app.sessionExpired();
 189                                         }
 190                                 };
 191                                 getFolder.setHeader("X-Auth-Token", app.getToken());
 192                                 Scheduler.get().scheduleDeferred(getFolder);
 193             }
 194
 195             @Override
 196             public void onError(Throwable t) {
 197                 GWT.log("", t);
 198                                 app.setError(t);
 199                 if (t instanceof RestException) {
 200                     app.displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());
 201                 }
 202                 else
 203                     app.displayError("System error creating folder:" + t.getMessage());
 204             }
 205
 206                         @Override
 207                         protected void onUnauthorized(Response response) {
 208                                 app.sessionExpired();
 209                         }
 210         };
 211         createFolder.setHeader("X-Auth-Token", app.getToken());
 212         createFolder.setHeader("Accept", "*/*");
 213         createFolder.setHeader("Content-Length", "0");
 214         createFolder.setHeader("Content-Type", "application/folder");
 215         Scheduler.get().scheduleDeferred(createFolder);
 216     }
 217
 218
 219
 220     protected void trashFiles(final Iterator<File> iter, final Command callback) {
 221         if (iter.hasNext()) {
 222             File file = iter.next();
 223             String path = "/" + Pithos.TRASH_CONTAINER + "/" + file.getPath();
 224             PutRequest trashFile = new PutRequest(app.getApiPath(), app.getUsername(), path) {
 225                 @Override
 226                 public void onSuccess(Resource result) {
 227                     trashFiles(iter, callback);
 228                 }
 229
 230                 @Override
 231                 public void onError(Throwable t) {
 232                     GWT.log("", t);
 233                                         app.setError(t);
 234                     if (t instanceof RestException) {
 235                         app.displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
 236                     }
 237                     else
 238                         app.displayError("System error unable to copy file: "+t.getMessage());
 239                 }
 240
 241                                 @Override
 242                                 protected void onUnauthorized(Response response) {
 243                                         app.sessionExpired();
 244                                 }
 245             };
 246             trashFile.setHeader("X-Auth-Token", app.getToken());
 247             trashFile.setHeader("X-Move-From", URL.encodePathSegment(file.getUri()));
 248             trashFile.setHeader("Content-Type", file.getContentType());
 249             Scheduler.get().scheduleDeferred(trashFile);
 250         }
 251         else if (callback != null) {
 252             callback.execute();
 253         }
 254     }
 255
 256     protected void trashSubfolders(final Iterator<Folder> iter, final Command callback) {
 257         if (iter.hasNext()) {
 258             final Folder f = iter.next();
 259             trashFolder(f, new Command() {
 260
 261                                 @Override
 262                                 public void execute() {
 263                                         trashSubfolders(iter, callback);
 264                                 }
 265                         });
 266         }
 267         else  {
 268                 app.updateTrash(false, callback);
 269         }
 270     }
 271 }