/*
* 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.components.admin.backup;
import java.io.File;
import java.io.IOException;
import java.text.DecimalFormat;
import java.util.Date;
import org.apache.openmeetings.OpenmeetingsVariables;
import org.apache.openmeetings.data.basic.dao.ConfigurationDao;
import org.apache.openmeetings.servlet.outputhandler.BackupExport;
import org.apache.openmeetings.servlet.outputhandler.BackupImportController;
import org.apache.openmeetings.utils.ImportHelper;
import org.apache.openmeetings.utils.OmFileHelper;
import org.apache.openmeetings.utils.math.CalendarPatterns;
import org.apache.openmeetings.web.app.Application;
import org.apache.openmeetings.web.components.admin.AdminPanel;
import org.apache.openmeetings.web.util.AjaxDownload;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxButton;
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.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.Model;
import org.apache.wicket.util.lang.Bytes;
import org.apache.wicket.util.resource.FileResourceStream;
import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;
/**
* Panel component to manage Backup Import/Export
*
* @author swagner
*
*/
public class BackupPanel extends AdminPanel {
private static final Logger log = Red5LoggerFactory.getLogger(
BackupPanel.class, OpenmeetingsVariables.webAppRootKey);
private static final long serialVersionUID = -1L;
// Create feedback panels
final FeedbackPanel uploadFeedback;
/**
* Form to handle upload files
*
* @author swagner
*
*/
private class BackupForm extends Form<Void> {
private static final long serialVersionUID = 1L;
FileUploadField fileUploadField;
CheckBox includeFilesInBackup;
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 = ImportHelper.getMaxUploadSize(Application
.getBean(ConfigurationDao.class));
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(fileUploadField);
includeFilesInBackup = new CheckBox("includeFilesInBackup",
Model.of(true));
add(includeFilesInBackup);
// Set maximum size controlled by configuration
setMaxSize(Bytes.bytes(ImportHelper.getMaxUploadSize(Application
.getBean(ConfigurationDao.class))));
// 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 = 839803820502260006L;
@Override
protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
File working_dir = OmFileHelper.getUploadBackupDir();
String dateString = "backup_"
+ CalendarPatterns.getTimeForStreamId(new Date());
File backup_dir = new File(working_dir, dateString);
File backupFile = new File(backup_dir, dateString + ".zip");
try {
Application.getBean(BackupExport.class).performExport(
backupFile,
backup_dir,
includeFilesInBackup.getConvertedInput()
.booleanValue());
download.setFileName(backupFile.getName());
download.setResourceStream(new FileResourceStream(
backupFile));
download.initiate(target);
} catch (Exception e) {
log.error("Exception on panel backup download ", e);
uploadFeedback.error(e);
}
// repaint the feedback panel so that it is hidden
target.add(uploadFeedback);
}
@Override
protected void onError(AjaxRequestTarget target, Form<?> form) {
// repaint the feedback panel so errors are shown
target.add(uploadFeedback);
}
});
// add an upload button
add(new AjaxButton("upload", this) {
private static final long serialVersionUID = 839803820502260006L;
@Override
protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
FileUpload upload = fileUploadField.getFileUpload();
try {
if (upload == null || upload.getInputStream() == null) {
uploadFeedback.error("File is empty");
return;
}
Application.getBean(BackupImportController.class)
.performImport(upload.getInputStream());
} catch (IOException e) {
log.error("IOException on panel backup upload ", e);
uploadFeedback.error(e);
} catch (Exception e) {
log.error("Exception on panel backup upload ", e);
uploadFeedback.error(e);
}
// repaint the feedback panel so that it is hidden
target.add(uploadFeedback);
}
@Override
protected void onError(AjaxRequestTarget target, Form<?> form) {
// repaint the feedback panel so errors are shown
target.add(uploadFeedback);
}
});
}
}
public BackupPanel(String id) {
super(id);
// Create feedback panels
uploadFeedback = new FeedbackPanel("uploadFeedback");
// Set Id so that it can be replaced dynamically
uploadFeedback.setOutputMarkupId(true);
add(uploadFeedback);
BackupForm backupForm = new BackupForm("backupUpload");
backupForm.add(new UploadProgressBar("progress", backupForm,
backupForm.fileUploadField));
add(backupForm);
}
}