1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/ParameterList.java Tue Mar 06 16:09:35 2012 -0800 1.3 @@ -0,0 +1,235 @@ 1.4 +/* 1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. Oracle designates this 1.11 + * particular file as subject to the "Classpath" exception as provided 1.12 + * by Oracle in the LICENSE file that accompanied this code. 1.13 + * 1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.17 + * version 2 for more details (a copy is included in the LICENSE file that 1.18 + * accompanied this code). 1.19 + * 1.20 + * You should have received a copy of the GNU General Public License version 1.21 + * 2 along with this work; if not, write to the Free Software Foundation, 1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.23 + * 1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.25 + * or visit www.oracle.com if you need additional information or have any 1.26 + * questions. 1.27 + */ 1.28 + 1.29 +/* 1.30 + * @(#)ParameterList.java 1.10 03/02/12 1.31 + */ 1.32 + 1.33 + 1.34 + 1.35 +package com.sun.xml.internal.messaging.saaj.packaging.mime.internet; 1.36 + 1.37 +import java.util.HashMap; 1.38 +import java.util.Iterator; 1.39 +import java.util.Map; 1.40 + 1.41 +/** 1.42 + * This class holds MIME parameters (attribute-value pairs). 1.43 + * 1.44 + * @version 1.10, 03/02/12 1.45 + * @author John Mani 1.46 + */ 1.47 + 1.48 +public final class ParameterList { 1.49 + 1.50 + private final HashMap list; 1.51 + 1.52 + /** 1.53 + * No-arg Constructor. 1.54 + */ 1.55 + public ParameterList() { 1.56 + this.list = new HashMap(); 1.57 + } 1.58 + 1.59 + private ParameterList(HashMap m) { 1.60 + this.list = m; 1.61 + } 1.62 + 1.63 + /** 1.64 + * Constructor that takes a parameter-list string. The String 1.65 + * is parsed and the parameters are collected and stored internally. 1.66 + * A ParseException is thrown if the parse fails. 1.67 + * Note that an empty parameter-list string is valid and will be 1.68 + * parsed into an empty ParameterList. 1.69 + * 1.70 + * @param s the parameter-list string. 1.71 + * @exception ParseException if the parse fails. 1.72 + */ 1.73 + public ParameterList(String s) throws ParseException { 1.74 + HeaderTokenizer h = new HeaderTokenizer(s, HeaderTokenizer.MIME); 1.75 + HeaderTokenizer.Token tk; 1.76 + int type; 1.77 + String name; 1.78 + 1.79 + list = new HashMap(); 1.80 + while (true) { 1.81 + tk = h.next(); 1.82 + type = tk.getType(); 1.83 + 1.84 + if (type == HeaderTokenizer.Token.EOF) // done 1.85 + return; 1.86 + 1.87 + if ((char)type == ';') { 1.88 + // expect parameter name 1.89 + tk = h.next(); 1.90 + // tolerate trailing semicolon, even though it violates the spec 1.91 + if (tk.getType() == HeaderTokenizer.Token.EOF) 1.92 + return; 1.93 + // parameter name must be a MIME Atom 1.94 + if (tk.getType() != HeaderTokenizer.Token.ATOM) 1.95 + throw new ParseException(); 1.96 + name = tk.getValue().toLowerCase(); 1.97 + 1.98 + // expect '=' 1.99 + tk = h.next(); 1.100 + if ((char)tk.getType() != '=') 1.101 + throw new ParseException(); 1.102 + 1.103 + // expect parameter value 1.104 + tk = h.next(); 1.105 + type = tk.getType(); 1.106 + // parameter value must be a MIME Atom or Quoted String 1.107 + if (type != HeaderTokenizer.Token.ATOM && 1.108 + type != HeaderTokenizer.Token.QUOTEDSTRING) 1.109 + throw new ParseException(); 1.110 + 1.111 + list.put(name, tk.getValue()); 1.112 + } else 1.113 + throw new ParseException(); 1.114 + } 1.115 + } 1.116 + 1.117 + /** 1.118 + * Return the number of parameters in this list. 1.119 + * 1.120 + * @return number of parameters. 1.121 + */ 1.122 + public int size() { 1.123 + return list.size(); 1.124 + } 1.125 + 1.126 + /** 1.127 + * Returns the value of the specified parameter. Note that 1.128 + * parameter names are case-insensitive. 1.129 + * 1.130 + * @param name parameter name. 1.131 + * @return Value of the parameter. Returns 1.132 + * <code>null</code> if the parameter is not 1.133 + * present. 1.134 + */ 1.135 + public String get(String name) { 1.136 + return (String)list.get(name.trim().toLowerCase()); 1.137 + } 1.138 + 1.139 + /** 1.140 + * Set a parameter. If this parameter already exists, it is 1.141 + * replaced by this new value. 1.142 + * 1.143 + * @param name name of the parameter. 1.144 + * @param value value of the parameter. 1.145 + */ 1.146 + public void set(String name, String value) { 1.147 + list.put(name.trim().toLowerCase(), value); 1.148 + } 1.149 + 1.150 + /** 1.151 + * Removes the specified parameter from this ParameterList. 1.152 + * This method does nothing if the parameter is not present. 1.153 + * 1.154 + * @param name name of the parameter. 1.155 + */ 1.156 + public void remove(String name) { 1.157 + list.remove(name.trim().toLowerCase()); 1.158 + } 1.159 + 1.160 + /** 1.161 + * Return an enumeration of the names of all parameters in this 1.162 + * list. 1.163 + * 1.164 + * @return Enumeration of all parameter names in this list. 1.165 + */ 1.166 + public Iterator getNames() { 1.167 + return list.keySet().iterator(); 1.168 + } 1.169 + 1.170 + 1.171 + /** 1.172 + * Convert this ParameterList into a MIME String. If this is 1.173 + * an empty list, an empty string is returned. 1.174 + * 1.175 + * @return String 1.176 + */ 1.177 + public String toString() { 1.178 + return toString(0); 1.179 + } 1.180 + 1.181 + /** 1.182 + * Convert this ParameterList into a MIME String. If this is 1.183 + * an empty list, an empty string is returned. 1.184 + * 1.185 + * The 'used' parameter specifies the number of character positions 1.186 + * already taken up in the field into which the resulting parameter 1.187 + * list is to be inserted. It's used to determine where to fold the 1.188 + * resulting parameter list. 1.189 + * 1.190 + * @param used number of character positions already used, in 1.191 + * the field into which the parameter list is to 1.192 + * be inserted. 1.193 + * @return String 1.194 + */ 1.195 + public String toString(int used) { 1.196 + StringBuffer sb = new StringBuffer(); 1.197 + Iterator itr = list.entrySet().iterator(); 1.198 + 1.199 + while (itr.hasNext()) { 1.200 + Map.Entry e = (Map.Entry)itr.next(); 1.201 + String name = (String)e.getKey(); 1.202 + String value = quote((String)e.getValue()); 1.203 + sb.append("; "); 1.204 + used += 2; 1.205 + int len = name.length() + value.length() + 1; 1.206 + if (used + len > 76) { // overflows ... 1.207 + sb.append("\r\n\t"); // .. start new continuation line 1.208 + used = 8; // account for the starting <tab> char 1.209 + } 1.210 + sb.append(name).append('='); 1.211 + used += name.length() + 1; 1.212 + if (used + value.length() > 76) { // still overflows ... 1.213 + // have to fold value 1.214 + String s = MimeUtility.fold(used, value); 1.215 + sb.append(s); 1.216 + int lastlf = s.lastIndexOf('\n'); 1.217 + if (lastlf >= 0) // always true 1.218 + used += s.length() - lastlf - 1; 1.219 + else 1.220 + used += s.length(); 1.221 + } else { 1.222 + sb.append(value); 1.223 + used += value.length(); 1.224 + } 1.225 + } 1.226 + 1.227 + return sb.toString(); 1.228 + } 1.229 + 1.230 + // Quote a parameter value token if required. 1.231 + private String quote(String value) { 1.232 + return MimeUtility.quote(value, HeaderTokenizer.MIME); 1.233 + } 1.234 + 1.235 + public ParameterList copy() { 1.236 + return new ParameterList((HashMap)list.clone()); 1.237 + } 1.238 +}