/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License") + you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.openmeetings.web.admin.backup; | |
import static org.apache.openmeetings.util.OpenmeetingsVariables.webAppRootKey; | |
import static org.apache.openmeetings.web.app.Application.getBean; | |
import java.io.File; | |
import java.text.DecimalFormat; | |
import java.util.Date; | |
import org.apache.openmeetings.backup.BackupExport; | |
import org.apache.openmeetings.backup.BackupImport; | |
import org.apache.openmeetings.backup.ProgressHolder; | |
import org.apache.openmeetings.db.dao.basic.ConfigurationDao; | |
import org.apache.openmeetings.util.CalendarPatterns; | |
import org.apache.openmeetings.util.OmFileHelper; | |
import org.apache.openmeetings.web.admin.AdminPanel; | |
import org.apache.openmeetings.web.app.Application; | |
import org.apache.openmeetings.web.util.AjaxDownload; | |
import org.apache.openmeetings.web.util.BootstrapFileUploadBehavior; | |
import org.apache.wicket.ajax.AbstractAjaxTimerBehavior; | |
import org.apache.wicket.ajax.AjaxRequestTarget; | |
import org.apache.wicket.ajax.form.AjaxFormSubmitBehavior; | |
import org.apache.wicket.extensions.ajax.markup.html.form.upload.UploadProgressBar; | |
import org.apache.wicket.markup.html.basic.Label; | |
import org.apache.wicket.markup.html.form.CheckBox; | |
import org.apache.wicket.markup.html.form.Form; | |
import org.apache.wicket.markup.html.form.upload.FileUpload; | |
import org.apache.wicket.markup.html.form.upload.FileUploadField; | |
import org.apache.wicket.model.Model; | |
import org.apache.wicket.util.lang.Bytes; | |
import org.apache.wicket.util.resource.FileResourceStream; | |
import org.apache.wicket.util.time.Duration; | |
import org.red5.logging.Red5LoggerFactory; | |
import org.slf4j.Logger; | |
import com.googlecode.wicket.jquery.core.Options; | |
import com.googlecode.wicket.jquery.ui.form.button.AjaxButton; | |
import com.googlecode.wicket.jquery.ui.widget.progressbar.ProgressBar; | |
import com.googlecode.wicket.kendo.ui.panel.KendoFeedbackPanel; | |
/** | |
* Panel component to manage Backup Import/Export | |
* | |
* @author swagner | |
* | |
*/ | |
public class BackupPanel extends AdminPanel { | |
private static final Logger log = Red5LoggerFactory.getLogger(BackupPanel.class, webAppRootKey); | |
private static final long serialVersionUID = -1L; | |
private final KendoFeedbackPanel feedback = new KendoFeedbackPanel("feedback", new Options("button", true)); | |
/** | |
* Form to handle upload files | |
* | |
* @author swagner | |
* | |
*/ | |
private class BackupForm extends Form<Void> { | |
private static final long serialVersionUID = 1L; | |
private final FileUploadField fileUploadField; | |
private final Model<Boolean> includeFilesInBackup = Model.of(true); | |
private final AbstractAjaxTimerBehavior timer; | |
private final ProgressBar progressBar; | |
private File backupFile; | |
private Throwable th = null; | |
private boolean started = false; | |
private ProgressHolder progressHolder; | |
public BackupForm(String id) { | |
super(id); | |
// set this form to multipart mode (allways needed for uploads!) | |
setMultiPart(true); | |
// set max upload size in form as info text | |
Long maxBytes = getBean(ConfigurationDao.class).getMaxUploadSize(); | |
double megaBytes = maxBytes.doubleValue() / 1024 / 1024; | |
DecimalFormat formatter = new DecimalFormat("#,###.00"); | |
add(new Label("MaxUploadSize", formatter.format(megaBytes))); | |
// Add one file input field | |
fileUploadField = new FileUploadField("fileInput"); | |
add(new CheckBox("includeFilesInBackup", includeFilesInBackup)); | |
// Set maximum size controlled by configuration | |
setMaxSize(Bytes.bytes(maxBytes)); | |
// Add a component to download a file without page refresh | |
final AjaxDownload download = new AjaxDownload(); | |
add(download); | |
// add an download button | |
add(new AjaxButton("download", this) { | |
private static final long serialVersionUID = 1L; | |
@Override | |
protected void onSubmit(AjaxRequestTarget target, Form<?> form) { | |
File workingDir = OmFileHelper.getUploadBackupDir(); | |
String dateString = "backup_" + CalendarPatterns.getTimeForStreamId(new Date()); | |
File backupDir = new File(workingDir, dateString); | |
backupFile = new File(backupDir, dateString + ".zip"); | |
th = null; | |
started = true; | |
progressHolder = new ProgressHolder(); | |
timer.restart(target); | |
new Thread(new BackupProcess(getBean(BackupExport.class), backupDir, includeFilesInBackup.getObject(), progressHolder) | |
, "Openmeetings - " + dateString).start(); | |
// repaint the feedback panel so that it is hidden | |
target.add(feedback, progressBar.setVisible(true)); | |
} | |
@Override | |
protected void onError(AjaxRequestTarget target, Form<?> form) { | |
// repaint the feedback panel so errors are shown | |
target.add(feedback); | |
} | |
}); | |
add(timer = new AbstractAjaxTimerBehavior(Duration.ONE_SECOND) { | |
private static final long serialVersionUID = 1L; | |
@Override | |
protected void onTimer(AjaxRequestTarget target) { | |
if (!started) { | |
timer.stop(target); | |
return; | |
} | |
if (th != null) { | |
timer.stop(target); | |
//TODO change text, localize | |
progressBar.setVisible(false); | |
feedback.error(th.getMessage()); | |
target.add(feedback); | |
} else { | |
progressBar.setModelObject(progressHolder.getProgress()); | |
progressBar.refresh(target); | |
//TODO add current step result as info | |
} | |
} | |
}); | |
add((progressBar = new ProgressBar("dprogress", new Model<Integer>(0)) { | |
private static final long serialVersionUID = 1L; | |
@Override | |
protected void onComplete(AjaxRequestTarget target) { | |
timer.stop(target); | |
target.add(progressBar.setVisible(false)); | |
download.setFileName(backupFile.getName()); | |
download.setResourceStream(new FileResourceStream(backupFile)); | |
download.initiate(target); | |
} | |
}).setVisible(false).setOutputMarkupPlaceholderTag(true)); | |
add(fileUploadField.add(new AjaxFormSubmitBehavior(this, "change") { | |
private static final long serialVersionUID = 1L; | |
@Override | |
protected void onSubmit(AjaxRequestTarget target) { | |
FileUpload upload = fileUploadField.getFileUpload(); | |
try { | |
if (upload == null || upload.getInputStream() == null) { | |
feedback.error("File is empty"); | |
target.add(feedback); | |
return; | |
} | |
getBean(BackupImport.class).performImport(upload.getInputStream()); | |
} catch (Exception e) { | |
log.error("Exception on panel backup upload ", e); | |
feedback.error(e); | |
} | |
// repaint the feedback panel so that it is hidden | |
target.add(feedback); | |
} | |
@Override | |
protected void onError(AjaxRequestTarget target) { | |
// repaint the feedback panel so errors are shown | |
target.add(feedback); | |
} | |
})); | |
add(new Label("cmdLineDesc", Application.getString(1505)).setEscapeModelStrings(false)); | |
} | |
@Override | |
protected void onDetach() { | |
includeFilesInBackup.detach(); | |
super.onDetach(); | |
} | |
private class BackupProcess implements Runnable { | |
private BackupExport backup; | |
private File backupDir; | |
private boolean includeFiles; | |
private ProgressHolder progressHolder; | |
public BackupProcess(BackupExport backup, File backupDir, boolean includeFiles, ProgressHolder progressHolder) { | |
this.backup = backup; | |
this.backupDir = backupDir; | |
this.includeFiles = includeFiles; | |
this.progressHolder = progressHolder; | |
th = null; | |
} | |
public void run() { | |
try { | |
backup.performExport(backupFile, backupDir, includeFiles, progressHolder); | |
} catch (Exception e) { | |
log.error("Exception on panel backup download ", e); | |
th = e; | |
} | |
} | |
} | |
} | |
public BackupPanel(String id) { | |
super(id); | |
add(feedback); | |
BackupForm backupForm = new BackupForm("backupUpload"); | |
backupForm.add(new UploadProgressBar("progress", backupForm, backupForm.fileUploadField)); | |
add(backupForm); | |
add(BootstrapFileUploadBehavior.INSTANCE); | |
} | |
} |