org.primefaces.component.fileupload.FileUploadChunkDecoder Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.component.fileupload;
import org.primefaces.model.file.UploadedFile;
import javax.faces.FacesException;
import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
public interface FileUploadChunkDecoder {
String MULTIPARTS = "org.primefaces.file.multiParts";
default String generateFileInfoKey(T request) {
String fileInfo = request.getParameter("X-File-Id");
if (fileInfo == null) {
throw new FacesException("Missing X-File-Id header");
}
return String.valueOf(fileInfo.hashCode());
}
default String getUploadDirectory(T request) {
// Servlet 2.5 compatibility, equivalent to ServletContext.TMP_DIR
File tmpDir = (File) request.getServletContext().getAttribute("javax.servlet.context.tempdir");
if (tmpDir == null) {
tmpDir = new File(System.getenv("java.io.tmpdir"));
}
return tmpDir.getAbsolutePath();
}
void decodeContentRange(FileUpload fileUpload, T request, UploadedFile chunk) throws IOException;
long decodeUploadedBytes(T request);
void deleteChunks(T request) throws IOException;
}