code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/commands/RestoreTrashCommand.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 java.util.Iterator;
  38 import java.util.List;
  39
  40 import gr.grnet.pithos.web.client.Pithos;
  41 import gr.grnet.pithos.web.client.foldertree.File;
  42 import gr.grnet.pithos.web.client.foldertree.Folder;
  43 import gr.grnet.pithos.web.client.Resource;
  44 import gr.grnet.pithos.web.client.rest.PutRequest;
  45 import gr.grnet.pithos.web.client.rest.RestException;
  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  *
  57  * Restore trashed files and folders.
  58  *
  59  */
  60 public class RestoreTrashCommand implements Command {
  61         private PopupPanel containerPanel;
  62         protected Pithos app;
  63         protected Object resource;
  64
  65         public RestoreTrashCommand(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             untrashFiles(iter, new Command() {
  79                 @SuppressWarnings("unchecked")
  80                                 @Override
  81                 public void execute() {
  82                     app.updateFolder(((List<File>) resource).get(0).getParent(), true, new Command() {
  83
  84                                                 @Override
  85                                                 public void execute() {
  86                                                         app.updateFolder(app.getAccount().getPithos(), false, null, true);
  87                                                 }
  88                                         }, true);
  89                 }
  90             });
  91         }
  92         else if (resource instanceof Folder) {
  93             final Folder toBeUnTrashed = (Folder) resource;
  94             untrashFolder(toBeUnTrashed, new Command() {
  95                 @Override
  96                 public void execute() {
  97                     app.updateFolder(toBeUnTrashed.getParent(), true, new Command() {
  98
  99                                                 @Override
 100                                                 public void execute() {
 101                                                         app.updateFolder(app.getAccount().getPithos(), false, null, true);
 102                                                 }
 103                                         }, true);
 104                 }
 105             });
 106
 107         }
 108         }
 109
 110     private void untrashFolder(final Folder f, final Command callback) {
 111         String path = "/" + Pithos.HOME_CONTAINER + "/" + f.getPrefix();
 112         app.copyFolder(f, app.getUserID(), path, true, callback);
 113     }
 114
 115     protected void untrashFiles(final Iterator<File> iter, final Command callback) {
 116         if (iter.hasNext()) {
 117             File file = iter.next();
 118             String path = "/" + Pithos.HOME_CONTAINER + "/" + file.getPath();
 119             PutRequest untrashFile = new PutRequest(app.getApiPath(), app.getUserID(), path) {
 120                 @Override
 121                 public void onSuccess(Resource result) {
 122                     untrashFiles(iter, callback);
 123                 }
 124
 125                 @Override
 126                 public void onError(Throwable t) {
 127                     GWT.log("", t);
 128                                         app.setError(t);
 129                     if (t instanceof RestException) {
 130                         app.displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
 131                     }
 132                     else
 133                         app.displayError("System error unable to copy file: "+t.getMessage());
 134                 }
 135
 136                                 @Override
 137                                 protected void onUnauthorized(Response response) {
 138                                         app.sessionExpired();
 139                                 }
 140             };
 141             untrashFile.setHeader("X-Auth-Token", app.getUserToken());
 142             untrashFile.setHeader("X-Move-From", URL.encodePathSegment(file.getUri()));
 143             untrashFile.setHeader("Content-Type", file.getContentType());
 144
 145             Scheduler.get().scheduleDeferred(untrashFile);
 146         }
 147         else if (callback != null) {
 148             callback.execute();
 149         }
 150     }
 151
 152     protected void untrashSubfolders(final Iterator<Folder> iter, final Command callback) {
 153         if (iter.hasNext()) {
 154             final Folder f = iter.next();
 155             untrashFolder(f, new Command() {
 156
 157                                 @Override
 158                                 public void execute() {
 159                                         untrashSubfolders(iter, callback);
 160                                 }
 161                         });
 162         }
 163         else  {
 164                 if (callback != null)
 165                         callback.execute();
 166         }
 167     }
 168 }