jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/encoding/ParameterList.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package com.sun.xml.internal.ws.encoding;

    28 import javax.xml.ws.WebServiceException;

    29 import java.util.HashMap;

    30 import java.util.Iterator;

    31 import java.util.Map;

    33 /**

    34  * This class holds MIME parameters (attribute-value pairs).

    35  *

    36  * @version 1.10, 03/02/12

    37  * @author  John Mani

    38  */

    40 final class ParameterList {

    42     private final Map<String, String> list;

    44     /**

    45      * Constructor that takes a parameter-list string. The String

    46      * is parsed and the parameters are collected and stored internally.

    47      * A ParseException is thrown if the parse fails.

    48      * Note that an empty parameter-list string is valid and will be

    49      * parsed into an empty ParameterList.

    50      *

    51      * @param   s       the parameter-list string.

    52      * @exception WebServiceException if the parse fails.

    53      */

    54     ParameterList(String s) {

    55         HeaderTokenizer h = new HeaderTokenizer(s, HeaderTokenizer.MIME);

    56         HeaderTokenizer.Token tk;

    57         int type;

    58         String name;

    60         list = new HashMap<String, String>();

    61         while (true) {

    62             tk = h.next();

    63             type = tk.getType();

    65             if (type == HeaderTokenizer.Token.EOF) // done

    66             return;

    68             if ((char)type == ';') {

    69                 // expect parameter name

    70                 tk = h.next();

    71                 // tolerate trailing semicolon, even though it violates the spec

    72                 if (tk.getType() == HeaderTokenizer.Token.EOF)

    73                     return;

    74                 // parameter name must be a MIME Atom

    75                 if (tk.getType() != HeaderTokenizer.Token.ATOM)

    76                     throw new WebServiceException();

    77                 name = tk.getValue().toLowerCase();

    79                 // expect '='

    80                 tk = h.next();

    81                 if ((char)tk.getType() != '=')

    82                     throw new WebServiceException();

    84                 // expect parameter value

    85                 tk = h.next();

    86                 type = tk.getType();

    87                 // parameter value must be a MIME Atom or Quoted String

    88                 if (type != HeaderTokenizer.Token.ATOM &&

    89                     type != HeaderTokenizer.Token.QUOTEDSTRING)

    90                     throw new WebServiceException();

    92                 list.put(name, tk.getValue());

    93             } else

    94                 throw new WebServiceException();

    95         }

    96     }

    98     /**

    99      * Return the number of parameters in this list.

   100      *

   101      * @return  number of parameters.

   102      */

   103     int size() {

   104             return list.size();

   105     }

   107     /**

   108      * Returns the value of the specified parameter. Note that

   109      * parameter names are case-insensitive.

   110      *

   111      * @param name      parameter name.

   112      * @return          Value of the parameter. Returns

   113      *                  <code>null</code> if the parameter is not

   114      *                  present.

   115      */

   116     String get(String name) {

   117             return list.get(name.trim().toLowerCase());

   118     }

   121     /**

   122      * Return an enumeration of the names of all parameters in this

   123      * list.

   124      *

   125      * @return Enumeration of all parameter names in this list.

   126      */

   127     Iterator<String> getNames() {

   128             return list.keySet().iterator();

   129     }

   131 }

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