| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| MemoryFormDataAdaptor |
|
| 2.2;2.2 |
| 1 | /* | |
| 2 | * $Source: /usr/cvsroot/melati/melati/src/site/resources/withWebmacro/org.melati.servlet.MemoryFormDataAdaptor.html,v $ | |
| 3 | * $Revision: 1.1 $ | |
| 4 | * | |
| 5 | * Copyright (C) 2000 Myles Chippendale | |
| 6 | * | |
| 7 | * Part of Melati (http://melati.org), a framework for the rapid | |
| 8 | * development of clean, maintainable web applications. | |
| 9 | * | |
| 10 | * Melati is free software; Permission is granted to copy, distribute | |
| 11 | * and/or modify this software under the terms either: | |
| 12 | * | |
| 13 | * a) the GNU General Public License as published by the Free Software | |
| 14 | * Foundation; either version 2 of the License, or (at your option) | |
| 15 | * any later version, | |
| 16 | * | |
| 17 | * or | |
| 18 | * | |
| 19 | * b) any version of the Melati Software License, as published | |
| 20 | * at http://melati.org | |
| 21 | * | |
| 22 | * You should have received a copy of the GNU General Public License and | |
| 23 | * the Melati Software License along with this program; | |
| 24 | * if not, write to the Free Software Foundation, Inc., | |
| 25 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the | |
| 26 | * GNU General Public License and visit http://melati.org to obtain the | |
| 27 | * Melati Software License. | |
| 28 | * | |
| 29 | * Feel free to contact the Developers of Melati (http://melati.org), | |
| 30 | * if you would like to work out a different arrangement than the options | |
| 31 | * outlined here. It is our intention to allow Melati to be used by as | |
| 32 | * wide an audience as possible. | |
| 33 | * | |
| 34 | * This program is distributed in the hope that it will be useful, | |
| 35 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 36 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 37 | * GNU General Public License for more details. | |
| 38 | * | |
| 39 | * Contact details for copyright holder: | |
| 40 | * | |
| 41 | * Mylesc Chippendale <mylesc At paneris.org> | |
| 42 | * http://paneris.org/ | |
| 43 | * 29 Stanley Road, Oxford, OX4 1QY, UK | |
| 44 | */ | |
| 45 | ||
| 46 | package org.melati.servlet; | |
| 47 | ||
| 48 | import java.io.File; | |
| 49 | import java.io.ByteArrayOutputStream; | |
| 50 | import java.io.IOException; | |
| 51 | import org.melati.util.DelimitedBufferedInputStream; | |
| 52 | ||
| 53 | /** | |
| 54 | * Store the uploaded data in a byte array in memory. | |
| 55 | */ | |
| 56 | 106 | public class MemoryFormDataAdaptor implements FormDataAdaptor { |
| 57 | /** Size for byte buffers */ | |
| 58 | 106 | protected int BUFSIZE = 512; |
| 59 | ||
| 60 | 106 | private byte[] data = new byte[0]; |
| 61 | ||
| 62 | /** | |
| 63 | * Return the data as a byte array. | |
| 64 | * @return the data as a byte array | |
| 65 | */ | |
| 66 | public byte[] getData() { | |
| 67 | 34 | return data; |
| 68 | } | |
| 69 | ||
| 70 | /** | |
| 71 | * Return the size of the data. | |
| 72 | * @return the size of the data | |
| 73 | */ | |
| 74 | public long getSize() { | |
| 75 | 0 | return data.length; |
| 76 | } | |
| 77 | ||
| 78 | /** | |
| 79 | * Return a File object pointing to the saved data (if one exists). | |
| 80 | * @return always <code>null</code> | |
| 81 | */ | |
| 82 | public File getFile() { | |
| 83 | 8 | return null; |
| 84 | } | |
| 85 | ||
| 86 | /** | |
| 87 | * Return a url to the object. | |
| 88 | * @return always null | |
| 89 | */ | |
| 90 | public String getURL() { | |
| 91 | 0 | return null; |
| 92 | } | |
| 93 | ||
| 94 | /** | |
| 95 | * Read data from in until the delim and save it | |
| 96 | * in an internal buffer for later use. | |
| 97 | * | |
| 98 | * @param field a {@link MultipartFormField} to be read | |
| 99 | * @param in a {@link DelimitedBufferedInputStream} to read from | |
| 100 | * @param delim the delimitor to differentiate elements | |
| 101 | * @throws IOException if there is a problem reading the input | |
| 102 | */ | |
| 103 | public void readData(MultipartFormField field, | |
| 104 | DelimitedBufferedInputStream in, | |
| 105 | byte[] delim) | |
| 106 | throws IOException { | |
| 107 | ||
| 108 | 106 | ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| 109 | 106 | byte[] buff = new byte[BUFSIZE]; |
| 110 | int count; | |
| 111 | ||
| 112 | try { | |
| 113 | 266 | while ((count = in.readToDelimiter(buff, 0, buff.length, delim)) > 0) |
| 114 | 160 | out.write(buff, 0, count); |
| 115 | 106 | if (count == -1) |
| 116 | 0 | throw new IOException( |
| 117 | "Didn't find boundary whilst reading field data"); | |
| 118 | 106 | data = out.toByteArray(); |
| 119 | } | |
| 120 | 0 | catch (IOException e) { |
| 121 | 0 | throw e; |
| 122 | } | |
| 123 | finally { | |
| 124 | 0 | try { |
| 125 | 106 | out.close(); |
| 126 | 106 | out = null; |
| 127 | } | |
| 128 | 0 | catch (Exception e) { |
| 129 | // Thrown above | |
| 130 | 0 | e = null; // shut PMD up |
| 131 | 106 | } |
| 132 | 0 | } |
| 133 | 106 | } |
| 134 | } | |
| 135 | ||
| 136 | ||
| 137 | ||
| 138 | ||
| 139 | ||
| 140 |