Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ValuePart |
|
| 2.0;2 |
1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.multipart; | |
16 | ||
17 | import java.util.ArrayList; | |
18 | import java.util.List; | |
19 | ||
20 | /** | |
21 | * A portion of a multipart request that stores a value, or values, for a | |
22 | * parameter. | |
23 | * | |
24 | * @author Howard Lewis Ship | |
25 | * @since 2.0.1 | |
26 | */ | |
27 | ||
28 | public class ValuePart | |
29 | { | |
30 | ||
31 | private int _count; | |
32 | ||
33 | // Stores either String or List of String | |
34 | private Object _value; | |
35 | ||
36 | public ValuePart(String value) | |
37 | 0 | { |
38 | 0 | _count = 1; |
39 | 0 | _value = value; |
40 | 0 | } |
41 | ||
42 | public int getCount() | |
43 | { | |
44 | 0 | return _count; |
45 | } | |
46 | ||
47 | /** | |
48 | * Returns the value, or the first value (if multi-valued). | |
49 | */ | |
50 | ||
51 | public String getValue() | |
52 | { | |
53 | 0 | if (_count == 1) return (String) _value; |
54 | ||
55 | 0 | List l = (List) _value; |
56 | ||
57 | 0 | return (String) l.get(0); |
58 | } | |
59 | ||
60 | /** | |
61 | * Returns the values as an array of strings. If there is only one value, it | |
62 | * is returned wrapped as a single element array. | |
63 | */ | |
64 | ||
65 | public String[] getValues() | |
66 | { | |
67 | 0 | if (_count == 1) return new String[] { (String) _value }; |
68 | ||
69 | 0 | List l = (List) _value; |
70 | ||
71 | 0 | return (String[]) l.toArray(new String[_count]); |
72 | } | |
73 | ||
74 | public void add(String newValue) | |
75 | { | |
76 | 0 | if (_count == 1) |
77 | { | |
78 | 0 | List l = new ArrayList(); |
79 | 0 | l.add(_value); |
80 | 0 | l.add(newValue); |
81 | ||
82 | 0 | _value = l; |
83 | 0 | _count++; |
84 | 0 | return; |
85 | } | |
86 | ||
87 | 0 | List l = (List) _value; |
88 | 0 | l.add(newValue); |
89 | 0 | _count++; |
90 | 0 | } |
91 | ||
92 | /** | |
93 | * Does nothing. | |
94 | */ | |
95 | ||
96 | public void cleanup() | |
97 | { | |
98 | 0 | } |
99 | } |