Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
UploadFormParametersWrapper |
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| 1.1666666666666667;1.167 |
1 | // Copyright 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.multipart; |
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16 | ||
17 | import org.apache.hivemind.util.Defense; |
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18 | ||
19 | import javax.servlet.http.HttpServletRequest; |
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20 | import javax.servlet.http.HttpServletRequestWrapper; |
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21 | import java.util.Collections; |
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22 | import java.util.Enumeration; |
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23 | import java.util.Map; |
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24 | ||
25 | /** |
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26 | * {@link javax.servlet.http.HttpServletRequest} wrapper that provides |
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27 | * access to the form field values uploaded in a multipart request. |
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28 | * |
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29 | * @author Howard M. Lewis Ship |
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30 | * @since 4.0 |
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31 | */ |
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32 | public class UploadFormParametersWrapper extends HttpServletRequestWrapper |
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33 | { |
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34 | ||
35 | /** |
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36 | * Map of {@link ValuePart} keyed on parameter name. |
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37 | */ |
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38 | private Map _parameterMap; |
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39 | ||
40 | /** |
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41 | * @param parameterMap |
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42 | * a map whose keys are parameter names and whose values are |
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43 | * arrays of Strings. |
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44 | */ |
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45 | public UploadFormParametersWrapper(HttpServletRequest request, Map parameterMap) |
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46 | { |
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47 | 6 | super(request); |
48 | ||
49 | 6 | Defense.notNull(parameterMap, "parameterMap"); |
50 | ||
51 | // add Parameter from the URL, typically added by JavaScript-URL-manipulation |
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52 | ||
53 | 6 | if (request.getParameterMap() != null) |
54 | { |
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55 | 6 | parameterMap.putAll(request.getParameterMap()); |
56 | } |
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57 | ||
58 | 6 | _parameterMap = Collections.unmodifiableMap(parameterMap ); |
59 | 6 | } |
60 | ||
61 | public String getParameter(String name) |
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62 | { |
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63 | 3 | String[] values = getParameterValues(name); |
64 | ||
65 | 3 | return (values == null || values.length == 0) ? null : values[0]; |
66 | } |
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67 | ||
68 | public Map getParameterMap() |
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69 | { |
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70 | 1 | return _parameterMap; |
71 | } |
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72 | ||
73 | public Enumeration getParameterNames() |
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74 | { |
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75 | 2 | return Collections.enumeration(_parameterMap.keySet()); |
76 | } |
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77 | ||
78 | public String[] getParameterValues(String name) |
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79 | { |
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80 | 4 | return (String[]) _parameterMap.get(name); |
81 | } |
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82 | ||
83 | public String toString() |
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84 | { |
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85 | 0 | return "<UploadFormPartWrapper for " + getRequest() + ">"; |
86 | } |
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87 | } |