2 * Copyright 2011 GRNET S.A. All rights reserved.
4 * Redistribution and use in source and binary forms, with or
5 * without modification, are permitted provided that the following
8 * 1. Redistributions of source code must retain the above
9 * copyright notice, this list of conditions and the following
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.
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
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35 package gr.grnet.pithos.web.client.commands;
37 import java.util.Iterator;
39 import gr.grnet.pithos.web.client.Pithos;
40 import gr.grnet.pithos.web.client.foldertree.File;
41 import gr.grnet.pithos.web.client.foldertree.Folder;
42 import gr.grnet.pithos.web.client.foldertree.Resource;
43 import gr.grnet.pithos.web.client.rest.DeleteRequest;
44 import gr.grnet.pithos.web.client.rest.GetRequest;
45 import gr.grnet.pithos.web.client.rest.RestException;
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;
56 * Command to empty trash bin.
58 public class EmptyTrashCommand implements Command{
59 private PopupPanel containerPanel;
63 public EmptyTrashCommand(Pithos _app, PopupPanel _containerPanel){
65 containerPanel = _containerPanel;
69 public void execute() {
70 if (containerPanel != null)
71 containerPanel.hide();
73 final Folder trash = app.getAccount().getTrash();
75 Iterator<File> iter = trash.getFiles().iterator();
76 deleteFile(iter, new Command() {
79 public void execute() {
80 Iterator<Folder> iter2 = trash.getSubfolders().iterator();
81 deleteSubfolder(iter2, new Command() {
84 public void execute() {
85 app.updateTrash(true, new Command() {
88 public void execute() {
89 app.updateStatistics();
99 protected void deleteSubfolder(final Iterator<Folder> iter2, final Command callback) {
100 if (iter2.hasNext()) {
101 final Folder f = iter2.next();
102 GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwner(), "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + URL.encodeQueryString(f.getPrefix()), f) {
105 public void onSuccess(final Folder _f) {
106 Iterator<File> iter3 = _f.getFiles().iterator();
107 deleteFile(iter3, new Command() {
110 public void execute() {
111 Iterator<Folder> iter4 = _f.getSubfolders().iterator();
112 deleteSubfolder(iter4, new Command() {
115 public void execute() {
116 String path = _f.getUri();
117 DeleteRequest deleteF = new DeleteRequest(app.getApiPath(), _f.getOwner(), path) {
120 public void onSuccess(@SuppressWarnings("unused") Resource result) {
121 deleteSubfolder(iter2, callback);
125 public void onError(Throwable t) {
127 if (t instanceof RestException) {
128 app.displayError("Unable to delete file:" + ((RestException) t).getHttpStatusText());
131 app.displayError("System error deleting file:" + t.getMessage());
135 protected void onUnauthorized(Response response) {
136 app.sessionExpired();
139 deleteF.setHeader("X-Auth-Token", app.getToken());
140 Scheduler.get().scheduleDeferred(deleteF);
148 public void onError(Throwable t) {
150 if (t instanceof RestException) {
151 app.displayError("Unable to get folder: " + ((RestException) t).getHttpStatusText());
154 app.displayError("System error getting folder: " + t.getMessage());
158 protected void onUnauthorized(Response response) {
159 app.sessionExpired();
162 getFolder.setHeader("X-Auth-Token", app.getToken());
163 Scheduler.get().scheduleDeferred(getFolder);
166 if (callback != null)
171 void deleteFile(final Iterator<File> iter, final Command callback) {
172 if (iter.hasNext()) {
173 File f = iter.next();
174 String path = f.getUri();
175 DeleteRequest deleteF = new DeleteRequest(app.getApiPath(), f.getOwner(), path) {
178 public void onSuccess(@SuppressWarnings("unused") Resource result) {
179 deleteFile(iter, callback);
183 public void onError(Throwable t) {
185 if (t instanceof RestException) {
186 app.displayError("Unable to delete file:" + ((RestException) t).getHttpStatusText());
189 app.displayError("System error deleting file:" + t.getMessage());
193 protected void onUnauthorized(Response response) {
194 app.sessionExpired();
197 deleteF.setHeader("X-Auth-Token", app.getToken());
198 Scheduler.get().scheduleDeferred(deleteF);
201 if (callback != null)