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.user.client.Command;
  51 import com.google.gwt.user.client.ui.PopupPanel;
  52
  53 /**
  54  *
  55  * Move file or folder to trash.
  56  *
  57  *
  58  */
  59 public class ToTrashCommand implements Command{
  60         private PopupPanel containerPanel;
  61         protected Pithos app;
  62         protected Object resource;
  63
  64         public ToTrashCommand(Pithos _app, PopupPanel _containerPanel, Object _resource){
  65                 containerPanel = _containerPanel;
  66         app = _app;
  67         resource = _resource;
  68         }
  69
  70         @Override
  71         public void execute() {
  72         if (containerPanel != null)
  73                 containerPanel.hide();
  74         if (resource instanceof List) {
  75             @SuppressWarnings("unchecked")
  76                         Iterator<File> iter = ((List<File>) resource).iterator();
  77             trashFiles(iter, new Command() {
  78                 @SuppressWarnings("unchecked")
  79                                 @Override
  80                 public void execute() {
  81                     app.updateFolder(((List<File>) resource).get(0).getParent(), true, null);
  82                 }
  83             });
  84         }
  85         else if (resource instanceof Folder) {
  86             final Folder toBeTrashed = (Folder) resource;
  87             trashFolder(toBeTrashed, new Command() {
  88                 @Override
  89                 public void execute() {
  90                     app.updateFolder(toBeTrashed.getParent(), true, null);
  91                 }
  92             });
  93
  94         }
  95         }
  96
  97     private void trashFolder(final Folder f, final Command callback) {
  98         String path = "/" + Pithos.TRASH_CONTAINER + "/" + f.getPrefix();
  99         PutRequest createFolder = new PutRequest(app.getApiPath(), app.getUsername(), path) {
 100             @Override
 101             public void onSuccess(@SuppressWarnings("unused") Resource result) {
 102                 Iterator<File> iter = f.getFiles().iterator();
 103                 trashFiles(iter, new Command() {
 104                     @Override
 105                     public void execute() {
 106                         Iterator<Folder> iterf = f.getSubfolders().iterator();
 107                         trashSubfolders(iterf, new Command() {
 108
 109                                                         @Override
 110                                                         public void execute() {
 111                                                                 DeleteRequest deleteFolder = new DeleteRequest(app.getApiPath(), f.getOwner(), f.getUri()) {
 112
 113                                                                         @Override
 114                                                                         public void onSuccess(@SuppressWarnings("unused") Resource _result) {
 115                                                                                 if (callback != null)
 116                                                                                         callback.execute();
 117                                                                         }
 118
 119                                                                         @Override
 120                                                                         public void onError(Throwable t) {
 121                                                             GWT.log("", t);
 122                                                             if (t instanceof RestException) {
 123                                                                 app.displayError("Unable to delete folder: " + ((RestException) t).getHttpStatusText());
 124                                                             }
 125                                                             else
 126                                                                 app.displayError("System error unable to delete folder: "+t.getMessage());
 127                                                                         }
 128                                                                 };
 129                                                                 deleteFolder.setHeader("X-Auth-Token", app.getToken());
 130                                                                 Scheduler.get().scheduleDeferred(deleteFolder);
 131                                                         }
 132                                                 });
 133                     }
 134                 });
 135             }
 136
 137             @Override
 138             public void onError(Throwable t) {
 139                 GWT.log("", t);
 140                 if (t instanceof RestException) {
 141                     app.displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());
 142                 }
 143                 else
 144                     app.displayError("System error creating folder:" + t.getMessage());
 145             }
 146         };
 147         createFolder.setHeader("X-Auth-Token", app.getToken());
 148         createFolder.setHeader("Accept", "*/*");
 149         createFolder.setHeader("Content-Length", "0");
 150         createFolder.setHeader("Content-Type", "application/folder");
 151         Scheduler.get().scheduleDeferred(createFolder);
 152     }
 153
 154     protected void trashFiles(final Iterator<File> iter, final Command callback) {
 155         if (iter.hasNext()) {
 156             File file = iter.next();
 157             String path = "/" + Pithos.TRASH_CONTAINER + "/" + file.getPath();
 158             PutRequest trashFile = new PutRequest(app.getApiPath(), app.getUsername(), path) {
 159                 @Override
 160                 public void onSuccess(@SuppressWarnings("unused") Resource result) {
 161                     trashFiles(iter, callback);
 162                 }
 163
 164                 @Override
 165                 public void onError(Throwable t) {
 166                     GWT.log("", t);
 167                     if (t instanceof RestException) {
 168                         app.displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
 169                     }
 170                     else
 171                         app.displayError("System error unable to copy file: "+t.getMessage());
 172                 }
 173             };
 174             trashFile.setHeader("X-Auth-Token", app.getToken());
 175             trashFile.setHeader("X-Move-From", file.getUri());
 176             Scheduler.get().scheduleDeferred(trashFile);
 177         }
 178         else if (callback != null) {
 179             callback.execute();
 180         }
 181     }
 182
 183     protected void trashSubfolders(final Iterator<Folder> iter, final Command callback) {
 184         if (iter.hasNext()) {
 185             final Folder f = iter.next();
 186             trashFolder(f, callback);
 187         }
 188         else  {
 189                 app.updateTrash(false, callback);
 190         }
 191     }
 192 }