/*******************************************************************************
* Copyright (c) 2007, 2010 The Planets Project Partners.
*
* All rights reserved. This program and the accompanying
* materials are made available under the terms of the
* Apache License, Version 2.0 which accompanies
* this distribution, and is available at
* http://www.apache.org/licenses/LICENSE-2.0
*
*******************************************************************************/
/**
*
*/
package eu.planets_project.tb.gui.backing;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URI;
import javax.faces.component.UIComponent;
import org.ajax4jsf.component.html.HtmlActionParameter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.richfaces.event.UploadEvent;
import org.richfaces.model.UploadItem;
import eu.planets_project.tb.api.data.util.DataHandler;
import eu.planets_project.tb.gui.util.JSFUtil;
import eu.planets_project.tb.impl.data.util.DataHandlerImpl;
/**
* @author <a href="mailto:Andrew.Jackson@bl.uk">Andy Jackson</a>
*
*/
public class RichFileUploadBean {
private static Log log = LogFactory.getLog(RichFileUploadBean.class);
private DataHandler dh = new DataHandlerImpl();
private boolean richUploadEnabled = true;
private String fileTypes = "*";
private Integer maxFiles = 50;
public RichFileUploadBean() {
log.info("Constructed.");
}
public void listener(UploadEvent event) throws Exception {
log.info("Got: "+event.getUploadItems());
UploadItem item = event.getUploadItem();
String filename = FileUploadBean.sanitizeFilename(item.getFileName());
log.info("File : '" + filename + "' was uploaded");
URI furi = null;
if (item.getFile() != null ) {
File file = item.getFile();
log.info("Absolute Path : '" + file.getAbsolutePath() + "'!");
log.info("Adding file to the Data Registry.");
try {
furi = dh.storeBytestream(new FileInputStream( file ) , filename );
} catch (FileNotFoundException e) {
log.error("File, FileNotFoundException: "+e);
e.printStackTrace();
} catch (IOException e) {
log.error("File, IOException: "+e);
e.printStackTrace();
}
} else if ( item.getData() != null ) {
furi = dh.storeBytearray(item.getData(), filename );
} else {
log.error("Upload failed: both Data and File are null!");
throw new Exception("Upload failed: both Data and File are null!");
}
// If it worked, add to experiment:
if( furi != null ) {
addDataToAppropriateExperimentStage(event, furi);
} else {
log.error("Upload could not be stored! "+event.isMultiUpload());
}
}
private void addDataToAppropriateExperimentStage(UploadEvent evt, URI furi){
ExperimentBean expBean = (ExperimentBean)JSFUtil.getManagedObject("ExperimentBean");
String forStage = null;
for(UIComponent child : evt.getComponent().getChildren()){
if(child instanceof HtmlActionParameter){
HtmlActionParameter param = (HtmlActionParameter)child;
if(param.getName().equals("stageName")){
forStage = (String)param.getValue();
}
}
}
if(forStage==null)
return;
//decide if data shall be added to 'design experiment' or 'evaluate experiment' stage
if(forStage.equals("design experiment")){
log.info("Adding file to Experiment Bean, stage: design experiment");
String position = expBean.addExperimentInputData(furi.toString());
log.info("File added in position: "+position);
return;
}
if(forStage.equals("evaluate experiment")){
log.info("Adding file to Experiment Bean, stage: evaluate experiment");
expBean.addEvaluationExternalDigoRef(furi.toString());
return;
}
}
public void enableRichUpload() {
this.richUploadEnabled = true;
}
public void disableRichUpload() {
this.richUploadEnabled = false;
}
/**
* @return the fileTypes
*/
public String getFileTypes() {
log.info("Getting fileTypes: "+fileTypes);
return fileTypes;
}
/**
* @param fileTypes the fileTypes to set
*/
public void setFileTypes(String fileTypes) {
this.fileTypes = fileTypes;
}
/**
* @return the maxFiles
*/
public Integer getMaxFiles() {
log.info("Getting maxFiles: "+maxFiles);
return maxFiles;
}
/**
* @param maxFiles the maxFiles to set
*/
public void setMaxFiles(Integer maxFiles) {
this.maxFiles = maxFiles;
}
/**
* @return the richUploadEnabled
*/
public boolean isRichUploadEnabled() {
return richUploadEnabled;
}
/**
* @param richUploadEnabled the richUploadEnabled to set
*/
public void setRichUploadEnabled(boolean richUploadEnabled) {
this.richUploadEnabled = richUploadEnabled;
}
}