root / src / gr / grnet / pithos / web / client / commands / EmptyTrashCommand.java @ 5f91f72d
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/*
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* Copyright 2011 GRNET S.A. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and
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* documentation are those of the authors and should not be
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* interpreted as representing official policies, either expressed
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* or implied, of GRNET S.A.
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*/
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package gr.grnet.pithos.web.client.commands; |
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import gr.grnet.pithos.web.client.Pithos; |
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import gr.grnet.pithos.web.client.foldertree.File; |
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import gr.grnet.pithos.web.client.foldertree.Folder; |
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import gr.grnet.pithos.web.client.foldertree.Resource; |
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import gr.grnet.pithos.web.client.rest.DeleteRequest; |
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import gr.grnet.pithos.web.client.rest.GetRequest; |
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import gr.grnet.pithos.web.client.rest.RestException; |
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import java.util.Iterator; |
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import com.google.gwt.core.client.GWT; |
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import com.google.gwt.core.client.Scheduler; |
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import com.google.gwt.http.client.Response; |
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import com.google.gwt.http.client.URL; |
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import com.google.gwt.user.client.Command; |
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import com.google.gwt.user.client.ui.PopupPanel; |
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/**
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* Command to empty trash bin.
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*/
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public class EmptyTrashCommand implements Command{ |
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private PopupPanel containerPanel;
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Pithos app; |
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public EmptyTrashCommand(Pithos _app, PopupPanel _containerPanel){
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app = _app; |
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containerPanel = _containerPanel; |
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} |
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@Override
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public void execute() { |
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if (containerPanel != null) |
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containerPanel.hide(); |
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final Folder trash = app.getAccount().getTrash();
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if (trash != null) { |
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Iterator<File> iter = trash.getFiles().iterator(); |
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deleteFile(iter, new Command() {
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@Override
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public void execute() { |
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Iterator<Folder> iter2 = trash.getSubfolders().iterator();
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deleteSubfolder(iter2, new Command() {
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@Override
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public void execute() { |
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app.updateTrash(true, new Command() { |
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@Override
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public void execute() { |
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app.updateStatistics(); |
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} |
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}); |
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} |
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}); |
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} |
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}); |
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} |
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} |
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protected void deleteSubfolder(final Iterator<Folder> iter2, final Command callback) { |
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if (iter2.hasNext()) {
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final Folder f = iter2.next();
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GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwner(), "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + URL.encodeQueryString(f.getPrefix()), f) { |
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@Override
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public void onSuccess(final Folder _f) { |
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Iterator<File> iter3 = _f.getFiles().iterator(); |
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deleteFile(iter3, new Command() {
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@Override
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public void execute() { |
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Iterator<Folder> iter4 = _f.getSubfolders().iterator();
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deleteSubfolder(iter4, new Command() {
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@Override
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public void execute() { |
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String path = _f.getUri();
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DeleteRequest deleteF = new DeleteRequest(app.getApiPath(), _f.getOwner(), URL.encode(path)) { |
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@Override
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public void onSuccess(Resource _result) { |
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deleteSubfolder(iter2, callback); |
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} |
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@Override
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public void onError(Throwable t) { |
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GWT.log("", t);
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app.setError(t); |
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if (t instanceof RestException) { |
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app.displayError("Unable to delete file:" + ((RestException) t).getHttpStatusText());
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} |
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else
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app.displayError("System error deleting file:" + t.getMessage());
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} |
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@Override
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protected void onUnauthorized(Response response) { |
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app.sessionExpired(); |
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} |
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}; |
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deleteF.setHeader("X-Auth-Token", app.getToken());
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Scheduler.get().scheduleDeferred(deleteF); |
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} |
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}); |
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} |
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}); |
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} |
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@Override
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public void onError(Throwable t) { |
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GWT.log("", t);
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app.setError(t); |
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if (t instanceof RestException) { |
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app.displayError("Unable to get folder: " + ((RestException) t).getHttpStatusText());
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} |
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else
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app.displayError("System error getting folder: " + t.getMessage());
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} |
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@Override
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protected void onUnauthorized(Response response) { |
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app.sessionExpired(); |
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} |
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}; |
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getFolder.setHeader("X-Auth-Token", app.getToken());
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Scheduler.get().scheduleDeferred(getFolder); |
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} |
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else {
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if (callback != null) |
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callback.execute(); |
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} |
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} |
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void deleteFile(final Iterator<File> iter, final Command callback) { |
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if (iter.hasNext()) {
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File f = iter.next();
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String path = f.getUri();
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DeleteRequest deleteF = new DeleteRequest(app.getApiPath(), f.getOwner(), URL.encode(path)) { |
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@Override
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public void onSuccess(Resource result) { |
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deleteFile(iter, callback); |
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} |
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@Override
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public void onError(Throwable t) { |
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GWT.log("", t);
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app.setError(t); |
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if (t instanceof RestException) { |
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app.displayError("Unable to delete file:" + ((RestException) t).getHttpStatusText());
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} |
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else
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app.displayError("System error deleting file:" + t.getMessage());
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} |
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@Override
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protected void onUnauthorized(Response response) { |
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app.sessionExpired(); |
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} |
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}; |
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deleteF.setHeader("X-Auth-Token", app.getToken());
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Scheduler.get().scheduleDeferred(deleteF); |
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} |
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else {
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if (callback != null) |
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callback.execute(); |
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} |
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} |
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} |