| /* |
| * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @(#)ContentDisposition.java 1.6 02/03/27 |
| */ |
| |
| |
| |
| package com.sun.xml.internal.messaging.saaj.packaging.mime.internet; |
| |
| |
| /** |
| * This class represents a MIME ContentDisposition value. It provides |
| * methods to parse a ContentDisposition string into individual components |
| * and to generate a MIME style ContentDisposition string. |
| * |
| * @version 1.6, 02/03/27 |
| * @author John Mani |
| */ |
| |
| public class ContentDisposition { |
| |
| private String disposition; // disposition |
| private ParameterList list; // parameter list |
| |
| /** |
| * No-arg Constructor. |
| */ |
| public ContentDisposition() { } |
| |
| /** |
| * Constructor. |
| * |
| * @param disposition disposition |
| * @param list ParameterList |
| * @since JavaMail 1.2 |
| */ |
| public ContentDisposition(String disposition, ParameterList list) { |
| this.disposition = disposition; |
| this.list = list; |
| } |
| |
| /** |
| * Constructor that takes a ContentDisposition string. The String |
| * is parsed into its constituents: dispostion and parameters. |
| * A ParseException is thrown if the parse fails. |
| * |
| * @param s the ContentDisposition string. |
| * @exception ParseException if the parse fails. |
| * @since JavaMail 1.2 |
| */ |
| public ContentDisposition(String s) throws ParseException { |
| HeaderTokenizer h = new HeaderTokenizer(s, HeaderTokenizer.MIME); |
| HeaderTokenizer.Token tk; |
| |
| // First "disposition" .. |
| tk = h.next(); |
| if (tk.getType() != HeaderTokenizer.Token.ATOM) |
| throw new ParseException(); |
| disposition = tk.getValue(); |
| |
| // Then parameters .. |
| String rem = h.getRemainder(); |
| if (rem != null) |
| list = new ParameterList(rem); |
| } |
| |
| /** |
| * Return the disposition value. |
| * @return the disposition |
| * @since JavaMail 1.2 |
| */ |
| public String getDisposition() { |
| return disposition; |
| } |
| |
| /** |
| * Return the specified parameter value. Returns <code>null</code> |
| * if this parameter is absent. |
| * @param name parameter name. |
| * @return parameter value |
| * @since JavaMail 1.2 |
| */ |
| public String getParameter(String name) { |
| if (list == null) |
| return null; |
| |
| return list.get(name); |
| } |
| |
| /** |
| * Return a ParameterList object that holds all the available |
| * parameters. Returns null if no parameters are available. |
| * |
| * @return ParameterList |
| * @since JavaMail 1.2 |
| */ |
| public ParameterList getParameterList() { |
| return list; |
| } |
| |
| /** |
| * Set the primary type. Overrides existing primary type. |
| * @param disposition disposition value |
| * @since JavaMail 1.2 |
| */ |
| public void setDisposition(String disposition) { |
| this.disposition = disposition; |
| } |
| |
| /** |
| * Set the specified parameter. If this parameter already exists, |
| * it is replaced by this new value. |
| * |
| * @param name parameter name |
| * @param value parameter value |
| * @since JavaMail 1.2 |
| */ |
| public void setParameter(String name, String value) { |
| if (list == null) |
| list = new ParameterList(); |
| |
| list.set(name, value); |
| } |
| |
| /** |
| * Set a new ParameterList. |
| * @param list ParameterList |
| * @since JavaMail 1.2 |
| */ |
| public void setParameterList(ParameterList list) { |
| this.list = list; |
| } |
| |
| /** |
| * Retrieve a RFC2045 style string representation of |
| * this ContentDisposition. Returns <code>null</code> if |
| * the conversion failed. |
| * |
| * @return RFC2045 style string |
| * @since JavaMail 1.2 |
| */ |
| @Override |
| public String toString() { |
| if (disposition == null) |
| return null; |
| |
| if (list == null) |
| return disposition; |
| |
| StringBuilder sb = new StringBuilder(disposition); |
| |
| // append the parameter list |
| // use the length of the string buffer + the length of |
| // the header name formatted as follows "Content-Disposition: " |
| sb.append(list.toString(sb.length() + 21)); |
| return sb.toString(); |
| } |
| } |