blob: 8df55241a1b23765203b883029d84fc5161b00ea (
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
|
package org.eclipse.jst.jsp.core.internal.java;
import org.eclipse.jdt.core.WorkingCopyOwner;
/**
* To ensure there is only one instance of ProblemRequestor and WorkingCopyOwner
* for JSP plugins. These were removed from JSPTranslation to ensure that the
* JSPTranslation was not held in memory by any type of JDT lists (caching
* search results, etc...)
*
* @author pavery
*/
public class CompilationUnitHelper {
private JSPProblemRequestor fProblemRequestor = null;
private WorkingCopyOwner fWorkingCopyOwner = null;
private static CompilationUnitHelper instance;
private CompilationUnitHelper() {
// force use of instance
}
public synchronized static final CompilationUnitHelper getInstance() {
if (instance == null)
instance = new CompilationUnitHelper();
return instance;
}
public JSPProblemRequestor getProblemRequestor() {
if (fProblemRequestor == null)
fProblemRequestor = new JSPProblemRequestor();
return fProblemRequestor;
}
public WorkingCopyOwner getWorkingCopyOwner() {
if (fWorkingCopyOwner == null) {
fWorkingCopyOwner = new WorkingCopyOwner() {
public String toString() {
return "JSP Working copy owner"; //$NON-NLS-1$
}
};
}
return fWorkingCopyOwner;
}
}
|