Java tutorial
/** * Licensed to Jasig under one or more contributor license * agreements. See the NOTICE file distributed with this work * for additional information regarding copyright ownership. * Jasig licenses this file to you 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.jasig.portal.utils.web; import java.util.Arrays; import javax.servlet.http.HttpServletRequest; import org.apache.commons.fileupload.FileItemHeaders; import org.apache.commons.fileupload.FileItemIterator; import org.apache.commons.fileupload.FileItemStream; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import com.google.common.collect.Iterators; /** * @author Eric Dalquist * @version $Revision$ */ public class FileUploadLogger { public static void logFileUploadInfo(HttpServletRequest request) { final boolean multipartContent = ServletFileUpload.isMultipartContent(request); System.out.println("multipartContent=" + multipartContent); if (!multipartContent) { return; } DiskFileItemFactory factory = new DiskFileItemFactory(); final ServletFileUpload servletFileUpload = new ServletFileUpload(factory); try { final FileItemIterator itemIterator = servletFileUpload.getItemIterator(request); while (itemIterator.hasNext()) { final FileItemStream next = itemIterator.next(); System.out.println("FileItemStream: " + next.getName()); System.out.println("\t" + next.getContentType()); System.out.println("\t" + next.getFieldName()); final FileItemHeaders headers = next.getHeaders(); if (headers != null) { System.out.println( "\t" + Arrays.toString(Iterators.toArray(headers.getHeaderNames(), String.class))); } } } catch (Exception e) { e.printStackTrace(); } } }