/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.enterprise.gui.configuration.resource;
import java.io.IOException;
import org.apache.commons.io.FileUtils;
import org.richfaces.event.UploadEvent;
import org.richfaces.model.UploadItem;
import org.rhq.enterprise.gui.common.upload.FileUploadUIBean;
/**
* <p>
* A Seam component that handles file uploads for RichFace's file upload component. This class is a thin wrapper around
* {@link org.rhq.enterprise.gui.common.upload.FileUploadUIBean} which is not a Seam component.
* </p>
* <p>
* Currently this class is tightly coupled to {@link org.rhq.enterprise.gui.configuration.resource.RawConfigUIBean}
* which is specific to the raw config editor; however, this class can/should/will be generalized to support any file
* upload which is implemented using RichFaces and Seam together.
* </p>
*/
//@Name("fileUploader")
//@Scope(ScopeType.PAGE)
public class FileUploadComponent {
private FileUploadUIBean uploadBean = new FileUploadUIBean();
/**
* Represents the currently selected file in the raw config editor
*/
// @In
private RawConfigUIBean selectedRawUIBean;
public UploadItem getUploadItem() {
return uploadBean.getFileItem();
}
public void setUploadItem(UploadItem uploadItem) {
uploadBean.setFileItem(uploadItem);
}
/**
* This is the upload listener that handles consuming the uploaded file.
*
* @param event
* @throws Exception
*/
public void listener(UploadEvent event) throws Exception {
uploadBean.fileUploadListener(event);
}
public void clear() {
uploadBean.clear();
}
/**
* Invoked when the upload has completed and updates {@link #selectedRawUIBean} with the contents of the uploaded
* file.
*/
public void completeUpload() {
try {
if (uploadBean.getFileItem() != null) {
UploadItem fileItem = uploadBean.getFileItem();
if (fileItem.isTempFile()) {
selectedRawUIBean.setContents(FileUtils.readFileToString(fileItem.getFile()));
} else {
selectedRawUIBean.setContents(new String(fileItem.getData()));
}
uploadBean.clear();
}
}
catch (IOException e) {
throw new RuntimeException(e);
}
}
}