| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | Chrysalis Web Framework [http://chrysalis.sourceforge.net] | |
| 3 | Copyright (c) 2002, 2003, 2004, Paul Strack | |
| 4 | ||
| 5 | All rights reserved. | |
| 6 | ||
| 7 | Redistribution and use in source and binary forms, with or without | |
| 8 | modification, are permitted provided that the following conditions are met: | |
| 9 | ||
| 10 | 1. Redistributions of source code must retain the above copyright notice, this | |
| 11 | list of conditions and the following disclaimer. | |
| 12 | ||
| 13 | 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 14 | this list of conditions and the following disclaimer in the documentation | |
| 15 | and/or other materials provided with the distribution. | |
| 16 | ||
| 17 | 3. Neither the name of the copyright holder nor the names of its contributors | |
| 18 | may be used to endorse or promote products derived from this software without | |
| 19 | specific prior written permission. | |
| 20 | ||
| 21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
| 22 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 23 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR | |
| 25 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 26 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 27 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
| 28 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 29 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 30 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 | */ | |
| 32 | ||
| 33 | package org.chwf.servlet; | |
| 34 | ||
| 35 | import java.util.Enumeration; | |
| 36 | import java.util.HashMap; | |
| 37 | ||
| 38 | import javax.servlet.ServletRequest; | |
| 39 | ||
| 40 | /** | |
| 41 | * <p>A Map class to that caches servlet request data. Internally, | |
| 42 | * this map holds arrays of strings (to handle request parameters | |
| 43 | * with multiple values), but its <code>get()</code> method returns | |
| 44 | * individual string objects (the first string in the array). This | |
| 45 | * class overrides the <code>put()</code> and <code>remove()</code> | |
| 46 | * methods to disable them.</p> | |
| 47 | * | |
| 48 | * <p>This object does not keep a reference to the request, so it is safe | |
| 49 | * to cache this object in the session or to serialize it.</p> | |
| 50 | * | |
| 51 | * @author <a href="mailto:pfstrack@users.sourceforge.net">Paul Strack</a> | |
| 52 | */ | |
| 53 | 1 | public class RequestParameterMap extends HashMap { |
| 54 | // Unused at the moment. | |
| 55 | ||
| 56 | /** Name used to cache the map in the request or session. */ | |
| 57 | 1 | public static final String CACHING_NAME = RequestParameterMap.class.getName(); |
| 58 | ||
| 59 | /** | |
| 60 | * Constructor that initializes the map from the request.<p> | |
| 61 | * | |
| 62 | * @param request The request. | |
| 63 | */ | |
| 64 | 11 | public RequestParameterMap(ServletRequest request) { |
| 65 | 11 | Enumeration e = request.getParameterNames(); |
| 66 | 30 | while (e.hasMoreElements()) { |
| 67 | 8 | String key = (String) e.nextElement(); |
| 68 | 8 | String[] values = request.getParameterValues(key); |
| 69 | 8 | super.put(key, values); |
| 70 | } | |
| 71 | 11 | } |
| 72 | ||
| 73 | /** | |
| 74 | * Throws <code>UnsupportedOperationException</code>.<p> | |
| 75 | * | |
| 76 | * @param key The key. | |
| 77 | * @param value The value. | |
| 78 | * @return The original value. | |
| 79 | */ | |
| 80 | public Object put(Object key, Object value) { | |
| 81 | 1 | throw new UnsupportedOperationException(); |
| 82 | } | |
| 83 | ||
| 84 | /** | |
| 85 | * Throws <code>UnsupportedOperationException</code>.<p> | |
| 86 | * | |
| 87 | * @param key The key. | |
| 88 | * @return The original value. | |
| 89 | */ | |
| 90 | public Object remove(Object key) { | |
| 91 | 1 | throw new UnsupportedOperationException(); |
| 92 | } | |
| 93 | ||
| 94 | /** | |
| 95 | * Overrides the <code>Map</code> method to return a single string.<p> | |
| 96 | * | |
| 97 | * @param key The key. | |
| 98 | * @return The value. | |
| 99 | */ | |
| 100 | public Object get(Object key) { | |
| 101 | 3 | String[] values = (String[]) super.get(key); |
| 102 | 3 | if ((values == null) || (values.length == 0)) { |
| 103 | 1 | return null; |
| 104 | } else { | |
| 105 | 2 | return values[0]; |
| 106 | } | |
| 107 | } | |
| 108 | ||
| 109 | /** | |
| 110 | * Returns a single parameter value for the given name.<p> | |
| 111 | * | |
| 112 | * @param name The parameter name. | |
| 113 | * @return The value as a String or null if not found. | |
| 114 | */ | |
| 115 | public String getParameter(String name) { | |
| 116 | 1 | return (String) get(name); |
| 117 | } | |
| 118 | ||
| 119 | /** | |
| 120 | * Returns all parameter values for the given name.<p> | |
| 121 | * | |
| 122 | * @param name The parameter name. | |
| 123 | * @return The values in an array of Strings or null if not found. | |
| 124 | */ | |
| 125 | public String[] getParameterValues(String name) { | |
| 126 | 1 | return (String[]) super.get(name); |
| 127 | } | |
| 128 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |