code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/commands/ToTrashCommand.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.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                     app.updateFolder(((List<File>) resource).get(0).getParent(), true, new Command() {
  85
  86                                                 @Override
  87                                                 public void execute() {
  88                                                         app.updateTrash(false, null);
  89                                                 }
  90                                         });
  91                 }
  92             });
  93         }
  94         else if (resource instanceof Folder) {
  95             final Folder toBeTrashed = (Folder) resource;
  96             trashFolder(toBeTrashed, new Command() {
  97                 @Override
  98                 public void execute() {
  99                     app.updateFolder(toBeTrashed.getParent(), true, new Command() {
 100
 101                                                 @Override
 102                                                 public void execute() {
 103                                                         app.updateTrash(false, null);
 104                                                 }
 105                                         });
 106                 }
 107             });
 108
 109         }
 110         }
 111
 112     private void trashFolder(final Folder f, final Command callback) {
 113         String path = "/" + Pithos.TRASH_CONTAINER + "/" + f.getPrefix();
 114         PutRequest createFolder = new PutRequest(app.getApiPath(), app.getUsername(), path) {
 115             @Override
 116             public void onSuccess(Resource result) {
 117                 GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwner(), "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + URL.encodeQueryString(f.getPrefix()), f) {
 118
 119                                         @Override
 120                                         public void onSuccess(final Folder _f) {
 121                                             Iterator<File> iter = _f.getFiles().iterator();
 122                                             trashFiles(iter, new Command() {
 123                                                 @Override
 124                                                 public void execute() {
 125                                                     Iterator<Folder> iterf = _f.getSubfolders().iterator();
 126                                                     trashSubfolders(iterf, new Command() {
 127
 128                                                                         @Override
 129                                                                         public void execute() {
 130                                                                                 DeleteRequest deleteFolder = new DeleteRequest(app.getApiPath(), _f.getOwner(), URL.encode(_f.getUri())) {
 131
 132                                                                                         @Override
 133                                                                                         public void onSuccess(Resource _result) {
 134                                                                                                 if (callback != null)
 135                                                                                                         callback.execute();
 136                                                                                         }
 137
 138                                                                                         @Override
 139                                                                                         public void onError(Throwable t) {
 140                                                                             GWT.log("", t);
 141                                                                                                 app.setError(t);
 142                                                                             if (t instanceof RestException) {
 143                                                                                 if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND)
 144                                                                                         onSuccess(null);
 145                                                                                 else
 146                                                                                         app.displayError("Unable to delete folder: " + ((RestException) t).getHttpStatusText());
 147                                                                             }
 148                                                                             else
 149                                                                                 app.displayError("System error unable to delete folder: "+t.getMessage());
 150                                                                                         }
 151
 152                                                                                         @Override
 153                                                                                         protected void onUnauthorized(Response response) {
 154                                                                                                 app.sessionExpired();
 155                                                                                         }
 156                                                                                 };
 157                                                                                 deleteFolder.setHeader("X-Auth-Token", app.getToken());
 158                                                                                 Scheduler.get().scheduleDeferred(deleteFolder);
 159                                                                         }
 160                                                                 });
 161                                                 }
 162                                             });
 163                                         }
 164
 165                                         @Override
 166                                         public void onError(Throwable t) {
 167                                 GWT.log("", t);
 168                                                 app.setError(t);
 169                                 if (t instanceof RestException) {
 170                                     app.displayError("Unable to get folder: " + ((RestException) t).getHttpStatusText());
 171                                 }
 172                                 else
 173                                     app.displayError("System error getting folder: " + t.getMessage());
 174                                         }
 175
 176                                         @Override
 177                                         protected void onUnauthorized(Response response) {
 178                                                 app.sessionExpired();
 179                                         }
 180                                 };
 181                                 getFolder.setHeader("X-Auth-Token", app.getToken());
 182                                 Scheduler.get().scheduleDeferred(getFolder);
 183             }
 184
 185             @Override
 186             public void onError(Throwable t) {
 187                 GWT.log("", t);
 188                                 app.setError(t);
 189                 if (t instanceof RestException) {
 190                     app.displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());
 191                 }
 192                 else
 193                     app.displayError("System error creating folder:" + t.getMessage());
 194             }
 195
 196                         @Override
 197                         protected void onUnauthorized(Response response) {
 198                                 app.sessionExpired();
 199                         }
 200         };
 201         createFolder.setHeader("X-Auth-Token", app.getToken());
 202         createFolder.setHeader("Accept", "*/*");
 203         createFolder.setHeader("Content-Length", "0");
 204         createFolder.setHeader("Content-Type", "application/folder");
 205         Scheduler.get().scheduleDeferred(createFolder);
 206     }
 207
 208
 209
 210     protected void trashFiles(final Iterator<File> iter, final Command callback) {
 211         if (iter.hasNext()) {
 212             File file = iter.next();
 213             String path = "/" + Pithos.TRASH_CONTAINER + "/" + file.getPath();
 214             PutRequest trashFile = new PutRequest(app.getApiPath(), app.getUsername(), path) {
 215                 @Override
 216                 public void onSuccess(Resource result) {
 217                     trashFiles(iter, callback);
 218                 }
 219
 220                 @Override
 221                 public void onError(Throwable t) {
 222                     GWT.log("", t);
 223                                         app.setError(t);
 224                     if (t instanceof RestException) {
 225                         app.displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
 226                     }
 227                     else
 228                         app.displayError("System error unable to copy file: "+t.getMessage());
 229                 }
 230
 231                                 @Override
 232                                 protected void onUnauthorized(Response response) {
 233                                         app.sessionExpired();
 234                                 }
 235             };
 236             trashFile.setHeader("X-Auth-Token", app.getToken());
 237             trashFile.setHeader("X-Move-From", URL.encodePathSegment(file.getUri()));
 238             Scheduler.get().scheduleDeferred(trashFile);
 239         }
 240         else if (callback != null) {
 241             callback.execute();
 242         }
 243     }
 244
 245     protected void trashSubfolders(final Iterator<Folder> iter, final Command callback) {
 246         if (iter.hasNext()) {
 247             final Folder f = iter.next();
 248             trashFolder(f, new Command() {
 249
 250                                 @Override
 251                                 public void execute() {
 252                                         trashSubfolders(iter, callback);
 253                                 }
 254                         });
 255         }
 256         else  {
 257                 app.updateTrash(false, callback);
 258         }
 259     }
 260 }