org.primefaces.component.fileupload.NativeFileUploadDecoder Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed 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.primefaces.component.fileupload;
import java.io.IOException;
import javax.faces.FacesException;
import javax.faces.context.FacesContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.Part;
import org.primefaces.event.FileUploadEvent;
import org.primefaces.model.NativeUploadedFile;
import org.primefaces.model.UploadedFileWrapper;
public class NativeFileUploadDecoder {
public static void decode(FacesContext context, FileUpload fileUpload, String inputToDecodeId) {
HttpServletRequest request = (HttpServletRequest) context.getExternalContext().getRequest();
try {
if(fileUpload.getMode().equals("simple")) {
decodeSimple(context, fileUpload, request, inputToDecodeId);
}
else {
decodeAdvanced(context, fileUpload, request);
}
}
catch (IOException ioe) {
throw new FacesException(ioe);
}
catch (ServletException se) {
throw new FacesException(se);
}
}
private static void decodeSimple(FacesContext context, FileUpload fileUpload, HttpServletRequest request, String inputToDecodeId)
throws IOException, ServletException {
Part part = request.getPart(inputToDecodeId);
if(part != null) {
fileUpload.setSubmittedValue(new UploadedFileWrapper(new NativeUploadedFile(part)));
}
else {
fileUpload.setSubmittedValue("");
}
}
private static void decodeAdvanced(FacesContext context, FileUpload fileUpload, HttpServletRequest request) throws IOException, ServletException {
String clientId = fileUpload.getClientId(context);
Part part = request.getPart(clientId);
if(part != null) {
fileUpload.queueEvent(new FileUploadEvent(fileUpload, new NativeUploadedFile(part)));
}
}
}