blob: 9c3ee7f64e7f9dc9d7fc036f5f8b54c1de753b77 (
plain) (
blame)
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
|
/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.jsp.core.el;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.el.ComplexValue;
import org.apache.commons.el.NamedValue;
/**
*
* @author mengbo
* @version 1.5
*/
public class ELParser {
private String _jsfExpression;
private List _expressionList;
/**
* @param expression
*
*/
public ELParser(String expression) {
super();
_jsfExpression = expression;
init();
}
/**
*
*/
private void init() {
Object parsedExpression = JSFELParserHelper
.parseExpression(_jsfExpression);
if (parsedExpression instanceof ComplexValue) {
_expressionList = new ArrayList();
_expressionList.add(((ComplexValue) parsedExpression).getPrefix());
_expressionList.addAll(((ComplexValue) parsedExpression)
.getSuffixes());
} else if (parsedExpression instanceof NamedValue) {
_expressionList = new ArrayList();
_expressionList.add(parsedExpression);
}
}
/**
* @return the expression elements of null if none
*/
public Object[] getElements() {
if (_expressionList == null) {
return null;
}
return _expressionList.toArray();
}
}
|
