/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.webui.form;
import org.exoplatform.upload.UploadResource;
import org.exoplatform.upload.UploadService;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
/**
* Created by The eXo Platform SAS
* Jun 6, 2006
*
* Represents an upload form
*/
@ComponentConfig(template = "system:/groovy/webui/form/UIFormUploadInput.gtmpl")
public class UIFormUploadInput extends UIFormInputBase<String>
{
/**
* The current upload id
*/
private String uploadId_;
/**
* The resource to upload
*/
private UploadResource uploadResource_;
/**
* The auto upload feature
*/
private boolean isAutoUpload = false;
/**
* The maximum size of the file to upload, in MB
*/
//private int limitMB_;
public UIFormUploadInput(String name, String bindingExpression)
{
super(name, bindingExpression, String.class);
uploadId_ = Integer.toString(Math.abs(hashCode()));
UploadService service = getApplicationComponent(UploadService.class);
service.addUploadLimit(uploadId_, null); // Use the limit set by the service. Warning, the service can allow no size limit (value to 0)
setComponentConfig(UIFormUploadInput.class, null);
}
public UIFormUploadInput(String name, String bindingExpression, int limit)
{
super(name, bindingExpression, String.class);
uploadId_ = Integer.toString(Math.abs(hashCode()));
UploadService service = getApplicationComponent(UploadService.class);
service.addUploadLimit(uploadId_, Integer.valueOf(limit)); // Use the limit set by constructor.
setComponentConfig(UIFormUploadInput.class, null);
}
public void decode(Object input, WebuiRequestContext context) throws Exception
{
uploadResource_ = null;
boolean hasUpload = "true".equals(input);
if (hasUpload)
{
UploadService service = getApplicationComponent(UploadService.class);
uploadResource_ = service.getUploadResource(uploadId_);
}
}
public InputStream getUploadDataAsStream() throws Exception
{
if (uploadResource_ == null)
return null;
File file = new File(uploadResource_.getStoreLocation());
return new FileInputStream(file);
}
@Deprecated
// use getUploadDataAsStream() menthod instead
public byte[] getUploadData() throws Exception
{
if (uploadResource_ == null)
return null;
File file = new File(uploadResource_.getStoreLocation());
FileInputStream inputStream = new FileInputStream(file);
FileChannel fchan = inputStream.getChannel();
long fsize = fchan.size();
ByteBuffer buff = ByteBuffer.allocate((int)fsize);
fchan.read(buff);
buff.rewind();
byte[] data = buff.array();
buff.clear();
fchan.close();
inputStream.close();
return data;
}
public String getUploadId()
{
return uploadId_;
}
public String getActionUpload()
{
WebuiRequestContext context = WebuiRequestContext.getCurrentInstance();
WebuiRequestContext pcontext = (WebuiRequestContext)context.getParentAppRequestContext();
if (pcontext == null)
pcontext = context;
String uploadAction = pcontext.getRequestContextPath() + "/command?";
uploadAction += "type=org.exoplatform.web.command.handler.UploadHandler";
uploadAction += "&uploadId=" + uploadId_ + "&action=upload";
return uploadAction;
}
public UploadResource getUploadResource()
{
return uploadResource_;
}
public boolean isAutoUpload()
{
return isAutoUpload;
}
public void setAutoUpload(boolean isAutoUpload)
{
this.isAutoUpload = isAutoUpload;
}
// public void setLimit(int size) { limitMB_ = size; }
//
// public int getLimit() { return limitMB_; }
}