| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ServletFileUpload | 
 | 
 | 1.3333333333333333;1.333 | 
| 1 |  /* | |
| 2 |   * Licensed to the Apache Software Foundation (ASF) under one or more | |
| 3 |   * contributor license agreements.  See the NOTICE file distributed with | |
| 4 |   * this work for additional information regarding copyright ownership. | |
| 5 |   * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| 6 |   * (the "License"); you may not use this file except in compliance with | |
| 7 |   * the License.  You may obtain a copy of the License at | |
| 8 |   * | |
| 9 |   *      http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 |   * | |
| 11 |   * Unless required by applicable law or agreed to in writing, software | |
| 12 |   * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 |   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 |   * See the License for the specific language governing permissions and | |
| 15 |   * limitations under the License. | |
| 16 |   */ | |
| 17 |  package org.apache.commons.fileupload.servlet; | |
| 18 | ||
| 19 |  import java.io.IOException; | |
| 20 |  import java.util.List; | |
| 21 |  import java.util.Map; | |
| 22 | ||
| 23 |  import javax.servlet.http.HttpServletRequest; | |
| 24 | ||
| 25 |  import org.apache.commons.fileupload.FileItem; | |
| 26 |  import org.apache.commons.fileupload.FileItemFactory; | |
| 27 |  import org.apache.commons.fileupload.FileItemIterator; | |
| 28 |  import org.apache.commons.fileupload.FileUpload; | |
| 29 |  import org.apache.commons.fileupload.FileUploadBase; | |
| 30 |  import org.apache.commons.fileupload.FileUploadException; | |
| 31 | ||
| 32 |  /** | |
| 33 |   * <p>High level API for processing file uploads.</p> | |
| 34 |   * | |
| 35 |   * <p>This class handles multiple files per single HTML widget, sent using | |
| 36 |   * <code>multipart/mixed</code> encoding type, as specified by | |
| 37 |   * <a href="http://www.ietf.org/rfc/rfc1867.txt">RFC 1867</a>.  Use {@link | |
| 38 |   * #parseRequest(HttpServletRequest)} to acquire a list of {@link | |
| 39 |   * org.apache.commons.fileupload.FileItem}s associated with a given HTML | |
| 40 |   * widget.</p> | |
| 41 |   * | |
| 42 |   * <p>How the data for individual parts is stored is determined by the factory | |
| 43 |   * used to create them; a given part may be in memory, on disk, or somewhere | |
| 44 |   * else.</p> | |
| 45 |   */ | |
| 46 | public class ServletFileUpload extends FileUpload { | |
| 47 | ||
| 48 |      /** | |
| 49 |       * Constant for HTTP POST method. | |
| 50 |       */ | |
| 51 | private static final String POST_METHOD = "POST"; | |
| 52 | ||
| 53 |      // ---------------------------------------------------------- Class methods | |
| 54 | ||
| 55 |      /** | |
| 56 |       * Utility method that determines whether the request contains multipart | |
| 57 |       * content. | |
| 58 |       * | |
| 59 |       * @param request The servlet request to be evaluated. Must be non-null. | |
| 60 |       * | |
| 61 |       * @return <code>true</code> if the request is multipart; | |
| 62 |       *         <code>false</code> otherwise. | |
| 63 |       */ | |
| 64 | public static final boolean isMultipartContent( | |
| 65 |              HttpServletRequest request) { | |
| 66 | 0 |          if (!POST_METHOD.equalsIgnoreCase(request.getMethod())) { | 
| 67 | 0 |              return false; | 
| 68 | } | |
| 69 | 0 |          return FileUploadBase.isMultipartContent(new ServletRequestContext(request)); | 
| 70 | } | |
| 71 | ||
| 72 |      // ----------------------------------------------------------- Constructors | |
| 73 | ||
| 74 |      /** | |
| 75 |       * Constructs an uninitialised instance of this class. A factory must be | |
| 76 |       * configured, using <code>setFileItemFactory()</code>, before attempting | |
| 77 |       * to parse requests. | |
| 78 |       * | |
| 79 |       * @see FileUpload#FileUpload(FileItemFactory) | |
| 80 |       */ | |
| 81 |      public ServletFileUpload() { | |
| 82 | 8 |          super(); | 
| 83 | 8 | } | 
| 84 | ||
| 85 |      /** | |
| 86 |       * Constructs an instance of this class which uses the supplied factory to | |
| 87 |       * create <code>FileItem</code> instances. | |
| 88 |       * | |
| 89 |       * @see FileUpload#FileUpload() | |
| 90 |       * @param fileItemFactory The factory to use for creating file items. | |
| 91 |       */ | |
| 92 |      public ServletFileUpload(FileItemFactory fileItemFactory) { | |
| 93 | 13 |          super(fileItemFactory); | 
| 94 | 13 | } | 
| 95 | ||
| 96 |      // --------------------------------------------------------- Public methods | |
| 97 | ||
| 98 |      /** | |
| 99 |       * Processes an <a href="http://www.ietf.org/rfc/rfc1867.txt">RFC 1867</a> | |
| 100 |       * compliant <code>multipart/form-data</code> stream. | |
| 101 |       * | |
| 102 |       * @param request The servlet request to be parsed. | |
| 103 |       * | |
| 104 |       * @return A list of <code>FileItem</code> instances parsed from the | |
| 105 |       *         request, in the order that they were transmitted. | |
| 106 |       * | |
| 107 |       * @throws FileUploadException if there are problems reading/parsing | |
| 108 |       *                             the request or storing files. | |
| 109 |       */ | |
| 110 | @Override | |
| 111 |      public List<FileItem> parseRequest(HttpServletRequest request) | |
| 112 |      throws FileUploadException { | |
| 113 | 9 | return parseRequest(new ServletRequestContext(request)); | 
| 114 | } | |
| 115 | ||
| 116 |      /** | |
| 117 |       * Processes an <a href="http://www.ietf.org/rfc/rfc1867.txt">RFC 1867</a> | |
| 118 |       * compliant <code>multipart/form-data</code> stream. | |
| 119 |       * | |
| 120 |       * @param request The servlet request to be parsed. | |
| 121 |       * | |
| 122 |       * @return A map of <code>FileItem</code> instances parsed from the request. | |
| 123 |       * | |
| 124 |       * @throws FileUploadException if there are problems reading/parsing | |
| 125 |       *                             the request or storing files. | |
| 126 |       * | |
| 127 |       * @since 1.3 | |
| 128 |       */ | |
| 129 |      public Map<String, List<FileItem>> parseParameterMap(HttpServletRequest request) | |
| 130 |              throws FileUploadException { | |
| 131 | 1 | return parseParameterMap(new ServletRequestContext(request)); | 
| 132 | } | |
| 133 | ||
| 134 |      /** | |
| 135 |       * Processes an <a href="http://www.ietf.org/rfc/rfc1867.txt">RFC 1867</a> | |
| 136 |       * compliant <code>multipart/form-data</code> stream. | |
| 137 |       * | |
| 138 |       * @param request The servlet request to be parsed. | |
| 139 |       * | |
| 140 |       * @return An iterator to instances of <code>FileItemStream</code> | |
| 141 |       *         parsed from the request, in the order that they were | |
| 142 |       *         transmitted. | |
| 143 |       * | |
| 144 |       * @throws FileUploadException if there are problems reading/parsing | |
| 145 |       *                             the request or storing files. | |
| 146 |       * @throws IOException An I/O error occurred. This may be a network | |
| 147 |       *   error while communicating with the client or a problem while | |
| 148 |       *   storing the uploaded content. | |
| 149 |       */ | |
| 150 |      public FileItemIterator getItemIterator(HttpServletRequest request) | |
| 151 |      throws FileUploadException, IOException { | |
| 152 | 3 | return super.getItemIterator(new ServletRequestContext(request)); | 
| 153 | } | |
| 154 | ||
| 155 | } |