001 /* 002 * Copyright © 2008, 2009 Pedro Agulló Soliveres. 003 * 004 * This file is part of DirectJNgine. 005 * 006 * DirectJNgine is free software: you can redistribute it and/or modify 007 * it under the terms of the GNU General Public License as published by 008 * the Free Software Foundation, either version 3 of the License. 009 * 010 * Commercial use is permitted to the extent that the code/component(s) 011 * do NOT become part of another Open Source or Commercially developed 012 * licensed development library or toolkit without explicit permission. 013 * 014 * DirectJNgine is distributed in the hope that it will be useful, 015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 017 * GNU General Public License for more details. 018 * 019 * You should have received a copy of the GNU General Public License 020 * along with DirectJNgine. If not, see <http://www.gnu.org/licenses/>. 021 * 022 * This software uses the ExtJs library (http://extjs.com), which is 023 * distributed under the GPL v3 license (see http://extjs.com/license). 024 */ 025 026 package com.softwarementors.extjs.djn.router.processor.standard.form.upload; 027 028 import java.io.IOException; 029 import java.io.Writer; 030 import java.util.HashMap; 031 import java.util.List; 032 import java.util.Map; 033 034 import org.apache.commons.fileupload.FileItem; 035 import org.apache.commons.fileupload.FileUploadException; 036 import org.apache.commons.fileupload.disk.DiskFileItemFactory; 037 import org.apache.commons.fileupload.servlet.ServletFileUpload; 038 import org.apache.log4j.Logger; 039 040 import com.softwarementors.extjs.djn.api.Registry; 041 import com.softwarementors.extjs.djn.config.GlobalConfiguration; 042 import com.softwarementors.extjs.djn.router.dispatcher.Dispatcher; 043 import com.softwarementors.extjs.djn.router.processor.standard.form.FormPostRequestProcessorBase; 044 045 public class UploadFormPostRequestProcessor extends FormPostRequestProcessorBase { 046 047 private static final Logger logger = Logger.getLogger(UploadFormPostRequestProcessor.class); 048 049 public UploadFormPostRequestProcessor(Registry registry, Dispatcher dispatcher, GlobalConfiguration globalConfiguration) { 050 super( registry, dispatcher, globalConfiguration ); 051 } 052 053 public void process(List<FileItem> fileItems, Writer writer) throws IOException { 054 assert fileItems != null; 055 assert writer != null; 056 057 Map<String, String> formParameters = new HashMap<String,String>(); 058 Map<String, FileItem> fileFields = new HashMap<String,FileItem>(); 059 for( FileItem item : fileItems ) { 060 if (item.isFormField()) { 061 formParameters.put( item.getFieldName(), item.getString()); 062 } 063 else { 064 fileFields.put( item.getFieldName(), item ); 065 } 066 } 067 068 if( logger.isDebugEnabled()) { // Avoid expensive function calls if logging is not needed 069 logger.debug( "Request data (UPLOAD FORM)=>" + getFormParametersLogString(formParameters) + " FILES: " + getFileParametersLogString(fileFields)); 070 } 071 String result = process(formParameters, fileFields); 072 073 String resultString = "<html><body><textarea>"; 074 resultString += result.toString(); // .replace("\"", "\\\""); 075 resultString += ("</textarea></body></html>"); 076 writer.write( resultString ); 077 if( logger.isDebugEnabled() ) { 078 logger.debug( "Response data (UPLOAD FORM)=>" + resultString ); 079 } 080 } 081 082 private String getFormParametersLogString(Map<String, String> formParameters) { 083 StringBuilder result = new StringBuilder(); 084 for( String fieldName : formParameters.keySet() ) { 085 result.append( fieldName ); 086 result.append( "="); 087 result.append( formParameters.get(fieldName)); 088 result.append( ";"); 089 } 090 return result.toString(); 091 } 092 093 private String getFileParametersLogString(Map<String, FileItem> fileFields) { 094 StringBuilder result = new StringBuilder(); 095 for( String fieldName : fileFields.keySet() ) { 096 FileItem fileItem = fileFields.get(fieldName); 097 result.append( fieldName ); 098 result.append( "="); 099 String fileName = fileItem.getName(); 100 result.append( fileName ); 101 result.append( ";"); 102 } 103 return result.toString(); 104 } 105 106 public static ServletFileUpload createFileUploader() { 107 // Create a factory for disk-based file items 108 DiskFileItemFactory factory = new DiskFileItemFactory(); 109 // Set factory constraints 110 /* 111 int maxMemorySizeThreshold = 1024 * 10; 112 factory.setSizeThreshold(maxMemorySizeThreshold); // If request size bigger than this, store files to disk 113 factory.setRepository(new File("c:\temp")); // Where to store temporary files created because of size bigger than that specified in setSizeThreshold 114 */ 115 116 // Create a new file upload handler 117 ServletFileUpload upload = new ServletFileUpload(factory); 118 119 // Set upload handler limits 120 /* 121 int maxRequestSize = 1024 * 1000; // What happens if 122 int maxFileSize = 1024 * 1000; 123 upload.setSizeMax(maxRequestSize); 124 upload.setFileSizeMax(maxFileSize); 125 */ 126 return upload; 127 } 128 129 public void handleFileUploadException(FileUploadException e) { 130 assert e != null; 131 132 com.softwarementors.extjs.djn.router.processor.standard.form.upload.FileUploadException ex = com.softwarementors.extjs.djn.router.processor.standard.form.upload.FileUploadException.forFileUploadException(e); 133 logger.error( ex.getMessage(), ex); 134 throw ex; 135 } 136 137 }