1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.el;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
/**
*
*/
public abstract class ELContext {
private Locale locale;
private Map<Class<?>, Object> map;
private boolean resolved;
/**
*
*/
public ELContext() {
this.resolved = false;
}
// Can't use Class<?> because API needs to match specification
/**
* Obtain the context object for the given key.
*
* @param key The key of the required context object
*
* @return The value of the context object associated with the given key
*
* @throws NullPointerException
* If the supplied key is <code>null</code>
*/
public Object getContext(@SuppressWarnings("rawtypes") Class key) {
if (key == null) {
throw new NullPointerException();
}
if (this.map == null) {
return null;
}
return this.map.get(key);
}
// Can't use Class<?> because API needs to match specification
/**
* Add an object to this EL context under the given key.
*
* @param key The key under which to store the object
* @param contextObject The object to add
*
* @throws NullPointerException
* If the supplied key or context is <code>null</code>
*/
public void putContext(@SuppressWarnings("rawtypes") Class key,
Object contextObject) throws NullPointerException {
if (key == null || contextObject == null) {
throw new NullPointerException();
}
if (this.map == null) {
this.map = new HashMap<Class<?>, Object>();
}
this.map.put(key, contextObject);
}
public void setPropertyResolved(boolean resolved) {
this.resolved = resolved;
}
public boolean isPropertyResolved() {
return this.resolved;
}
public abstract ELResolver getELResolver();
public abstract FunctionMapper getFunctionMapper();
public abstract VariableMapper getVariableMapper();
public Locale getLocale() {
return this.locale;
}
public void setLocale(Locale locale) {
this.locale = locale;
}
}
|
