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.PutRequest;
  43 import gr.grnet.pithos.web.client.rest.RestException;
  44
  45 import java.util.Iterator;
  46 import java.util.List;
  47
  48 import com.google.gwt.core.client.GWT;
  49 import com.google.gwt.core.client.Scheduler;
  50 import com.google.gwt.http.client.Response;
  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                     app.updateFolder(((List<File>) resource).get(0).getParent(), true, null);
  83                 }
  84             });
  85         }
  86         else if (resource instanceof Folder) {
  87             final Folder toBeTrashed = (Folder) resource;
  88             trashFolder(toBeTrashed, new Command() {
  89                 @Override
  90                 public void execute() {
  91                     app.updateFolder(toBeTrashed.getParent(), true, null);
  92                 }
  93             });
  94
  95         }
  96         }
  97
  98     private void trashFolder(final Folder f, final Command callback) {
  99         String path = "/" + Pithos.TRASH_CONTAINER + "/" + f.getPrefix();
 100         PutRequest createFolder = new PutRequest(app.getApiPath(), app.getUsername(), path) {
 101             @Override
 102             public void onSuccess(@SuppressWarnings("unused") Resource result) {
 103                 Iterator<File> iter = f.getFiles().iterator();
 104                 trashFiles(iter, new Command() {
 105                     @Override
 106                     public void execute() {
 107                         Iterator<Folder> iterf = f.getSubfolders().iterator();
 108                         trashSubfolders(iterf, new Command() {
 109
 110                                                         @Override
 111                                                         public void execute() {
 112                                                                 DeleteRequest deleteFolder = new DeleteRequest(app.getApiPath(), f.getOwner(), f.getUri()) {
 113
 114                                                                         @Override
 115                                                                         public void onSuccess(@SuppressWarnings("unused") Resource _result) {
 116                                                                                 if (callback != null)
 117                                                                                         callback.execute();
 118                                                                         }
 119
 120                                                                         @Override
 121                                                                         public void onError(Throwable t) {
 122                                                             GWT.log("", t);
 123                                                             if (t instanceof RestException) {
 124                                                                 app.displayError("Unable to delete folder: " + ((RestException) t).getHttpStatusText());
 125                                                             }
 126                                                             else
 127                                                                 app.displayError("System error unable to delete folder: "+t.getMessage());
 128                                                                         }
 129
 130                                                                         @Override
 131                                                                         protected void onUnauthorized(Response response) {
 132                                                                                 app.sessionExpired();
 133                                                                         }
 134                                                                 };
 135                                                                 deleteFolder.setHeader("X-Auth-Token", app.getToken());
 136                                                                 Scheduler.get().scheduleDeferred(deleteFolder);
 137                                                         }
 138                                                 });
 139                     }
 140                 });
 141             }
 142
 143             @Override
 144             public void onError(Throwable t) {
 145                 GWT.log("", t);
 146                 if (t instanceof RestException) {
 147                     app.displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());
 148                 }
 149                 else
 150                     app.displayError("System error creating folder:" + t.getMessage());
 151             }
 152
 153                         @Override
 154                         protected void onUnauthorized(Response response) {
 155                                 app.sessionExpired();
 156                         }
 157         };
 158         createFolder.setHeader("X-Auth-Token", app.getToken());
 159         createFolder.setHeader("Accept", "*/*");
 160         createFolder.setHeader("Content-Length", "0");
 161         createFolder.setHeader("Content-Type", "application/folder");
 162         Scheduler.get().scheduleDeferred(createFolder);
 163     }
 164
 165     protected void trashFiles(final Iterator<File> iter, final Command callback) {
 166         if (iter.hasNext()) {
 167             File file = iter.next();
 168             String path = "/" + Pithos.TRASH_CONTAINER + "/" + file.getPath();
 169             PutRequest trashFile = new PutRequest(app.getApiPath(), app.getUsername(), path) {
 170                 @Override
 171                 public void onSuccess(@SuppressWarnings("unused") Resource result) {
 172                     trashFiles(iter, callback);
 173                 }
 174
 175                 @Override
 176                 public void onError(Throwable t) {
 177                     GWT.log("", t);
 178                     if (t instanceof RestException) {
 179                         app.displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
 180                     }
 181                     else
 182                         app.displayError("System error unable to copy file: "+t.getMessage());
 183                 }
 184
 185                                 @Override
 186                                 protected void onUnauthorized(Response response) {
 187                                         app.sessionExpired();
 188                                 }
 189             };
 190             trashFile.setHeader("X-Auth-Token", app.getToken());
 191             trashFile.setHeader("X-Move-From", file.getUri());
 192             Scheduler.get().scheduleDeferred(trashFile);
 193         }
 194         else if (callback != null) {
 195             callback.execute();
 196         }
 197     }
 198
 199     protected void trashSubfolders(final Iterator<Folder> iter, final Command callback) {
 200         if (iter.hasNext()) {
 201             final Folder f = iter.next();
 202             trashFolder(f, callback);
 203         }
 204         else  {
 205                 app.updateTrash(false, callback);
 206         }
 207     }
 208 }