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1 package net.walend.somnifugi;
2
3 import java.lang.reflect.Method  ;
4 import java.lang.reflect.InvocationTargetException ;
5
6 import java.util.Map ;
7 import java.util.Set ;
8 import java.util.Collection ;
9
10 import javax.jms.Message ;
11
12 import net.walend.somnifugi.sql92.Selector;
13
14
18
19 class SQL92MessageSelector
20 implements SomniMessageSelector
21 {
22 private Selector selector;
23
24
27 SQL92MessageSelector(String selectorString)
28 throws SomniMessageSelectorException
29 {
30 this.selector = Selector.compile(selectorString);
31 if(selector == null)
32 {
33 throw new NullPointerException ("Selector compile for "+selectorString+" is null.");
34 }
35 }
36
37
44 public boolean matches(Message message)
45 throws SomniMessageSelectorException
46 {
47 SomniMessage somniMessage = (SomniMessage)message;
48
49 if(somniMessage.getProperties()==null)
50 {
51 throw new NullPointerException ("somniMessage.getProperties() is null");
52 }
53
54 boolean result = selector.match(somniMessage.getProperties(),new ReflectingMap(message));
55
56 return result;
57 }
58
59 public String toString()
60 {
61 return selector.toString();
62 }
63
64 private static class ReflectingMap
65 implements Map <String ,Object >
66 {
67 private static final String GETTERPREFIX = "get";
68
69 private Object hasGetters;
70
71
72 ReflectingMap(Object hasGetters)
73 {
74 this.hasGetters = hasGetters;
75 }
76
77 private String getterNameForKey(String key)
78 {
79 return GETTERPREFIX+key;
80 }
81
82
83 public int size()
84 {
85 throw new UnsupportedOperationException ("I haven't done this yet.");
86 }
87
88 public boolean isEmpty()
89 {
90 throw new UnsupportedOperationException ("I haven't done this yet.");
91 }
92
93 public boolean containsKey(Object key)
94 {
95 if(!(key instanceof String ))
96 {
97 return false;
98 }
99 try
100 {
101 hasGetters.getClass().getMethod(getterNameForKey((String )key));
102 return true;
103 }
104 catch(NoSuchMethodException nsme)
105 {
106 return false;
107 }
108 }
109
110 public boolean containsValue(Object value)
111 {
112 throw new UnsupportedOperationException ("I haven't done this yet.");
113 }
114
115 public Object get(Object key)
116 {
117 if(!(key instanceof String ))
118 {
119 return null;
120 }
121 try
122 {
123 Method method = hasGetters.getClass().getMethod(getterNameForKey((String )key));
124 return method.invoke(hasGetters);
125 }
126 catch(NoSuchMethodException nsme)
127 {
128 return null;
129 }
130 catch(IllegalAccessException iae)
131 {
132 throw new SomniRuntimeException(iae);
133 }
134 catch(InvocationTargetException ite)
135 {
136 throw new SomniRuntimeException(ite);
137 }
138 }
139
140 public Object put(String key,Object value)
141 {
142 throw new UnsupportedOperationException ("I haven't done this yet. Maybe someday when I think about setters.");
143 }
144
145 public Object remove(Object key)
146 {
147 throw new UnsupportedOperationException ("This will never work. What are you doing?");
148 }
149
150 public void putAll(Map <? extends String ,? extends Object > map)
151 {
152 throw new UnsupportedOperationException ("This will never work. What are you doing?");
153 }
154
155 public void clear()
156 {
157 throw new UnsupportedOperationException ("I haven't done this yet.");
158 }
159
160 public Set <String > keySet()
161 {
162 throw new UnsupportedOperationException ("I haven't done this yet.");
163 }
164
165 public Collection <Object > values()
166 {
167 throw new UnsupportedOperationException ("I haven't done this yet.");
168 }
169
170 public Set <Map.Entry <String ,Object >> entrySet()
171 {
172 throw new UnsupportedOperationException ("I haven't done this yet.");
173 }
174
175 public boolean equals(Object o)
176 {
177 throw new UnsupportedOperationException ("I haven't done this yet.");
178 }
179
180 public int hashCode()
181 {
182 throw new UnsupportedOperationException ("I haven't done this yet.");
183 }
184 }
185 }
186
187
209
210 |
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