Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
VarExploderFactory |
|
| 2.0;2 |
1 | /* | |
2 | * Copyright 2012, Ryan J. McDonough | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | package com.damnhandy.uri.template.impl; | |
17 | ||
18 | import com.damnhandy.uri.template.DefaultVarExploder; | |
19 | import com.damnhandy.uri.template.VarExploder; | |
20 | import com.damnhandy.uri.template.VarExploderException; | |
21 | ||
22 | /** | |
23 | * | |
24 | * | |
25 | * @author <a href="ryan@damnhandy.com">Ryan J. McDonough</a> | |
26 | * @version $Revision: 1.1 $ | |
27 | */ | |
28 | public final class VarExploderFactory | |
29 | { | |
30 | //private static final String DEFAULT_MSG = ""; | |
31 | ||
32 | private VarExploderFactory() | |
33 | 0 | { |
34 | 0 | } |
35 | ||
36 | /** | |
37 | * | |
38 | * | |
39 | * @param varValue | |
40 | * @return | |
41 | */ | |
42 | public static VarExploder getExploder(Object varValue, VarSpec varSpec) throws VarExploderException | |
43 | { | |
44 | 232 | if (varValue instanceof VarExploder) |
45 | { | |
46 | 0 | return (VarExploder) varValue; |
47 | } | |
48 | ||
49 | // if (varValue.getClass().isAnnotationPresent(ExplodeWith.class)) | |
50 | // { | |
51 | // Class<?> exploderClass = varValue.getClass().getAnnotation(ExplodeWith.class).value(); | |
52 | // return fromCustom(exploderClass, varValue, varSpec); | |
53 | // } | |
54 | 232 | return new DefaultVarExploder(varValue); |
55 | } | |
56 | ||
57 | ||
58 | // private static VarExploder fromCustom(Class<?> exploderClass, Object varValue, VarSpec varSpec) | |
59 | // { | |
60 | // if (exploderClass.isAssignableFrom(VarExploder.class)) | |
61 | // { | |
62 | // String msg = buildErrorMessage( | |
63 | // exploderClass.getSimpleName() + " must be an instance of " + VarExploder.class.getSimpleName(), | |
64 | // exploderClass, varValue, varSpec); | |
65 | // throw new VariableExpansionException(msg); | |
66 | // } | |
67 | // | |
68 | // try | |
69 | // { | |
70 | // Constructor<?> constructor = exploderClass.getConstructor(Object.class); | |
71 | // VarExploder exploder = (VarExploder) constructor.newInstance(varValue); | |
72 | // return exploder; | |
73 | // } | |
74 | // | |
75 | // catch (IllegalArgumentException e) | |
76 | // { | |
77 | // throwException(DEFAULT_MSG, e, exploderClass, varValue, varSpec); | |
78 | // } | |
79 | // catch (NoSuchMethodException e) | |
80 | // { | |
81 | // throwException(DEFAULT_MSG, e, exploderClass, varValue, varSpec); | |
82 | // } | |
83 | // catch (InstantiationException e) | |
84 | // { | |
85 | // throwException(DEFAULT_MSG, e, exploderClass, varValue, varSpec); | |
86 | // } | |
87 | // catch (IllegalAccessException e) | |
88 | // { | |
89 | // throwException(DEFAULT_MSG, e, exploderClass, varValue, varSpec); | |
90 | // } | |
91 | // catch (InvocationTargetException e) | |
92 | // { | |
93 | // throwException(DEFAULT_MSG, e, exploderClass, varValue, varSpec); | |
94 | // } | |
95 | // return null; | |
96 | // } | |
97 | ||
98 | ||
99 | // private static void throwException(String message, Throwable e, Class<?> exploderClass, Object varValue, | |
100 | // VarSpec varSpec) throws VariableExpansionException | |
101 | // { | |
102 | // String msg = buildErrorMessage(message, exploderClass, varValue, varSpec); | |
103 | // throw new VariableExpansionException(msg, e); | |
104 | // } | |
105 | ||
106 | // private static String buildErrorMessage(String message, Class<?> exploderClass, Object varValue, VarSpec varSpec) | |
107 | // { | |
108 | // StringBuilder b = new StringBuilder(); | |
109 | // b.append(message) | |
110 | // .append("[ varspec: ").append(varSpec) | |
111 | // .append(" variable value:").append(varValue) | |
112 | // .append(" exploder class: ").append(exploderClass.getName()).append("]"); | |
113 | // return b.toString(); | |
114 | // } | |
115 | } |