01: /*
02: * This file is part of PFIXCORE.
03: *
04: * PFIXCORE is free software; you can redistribute it and/or modify
05: * it under the terms of the GNU Lesser General Public License as published by
06: * the Free Software Foundation; either version 2 of the License, or
07: * (at your option) any later version.
08: *
09: * PFIXCORE is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12: * GNU Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public License
15: * along with PFIXCORE; if not, write to the Free Software
16: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17: *
18: */
19:
20: package de.schlund.pfixxml.targets;
21:
22: import java.util.TreeMap;
23:
24: import de.schlund.pfixxml.resources.FileResource;
25: import de.schlund.pfixxml.util.XsltVersion;
26:
27: /**
28: * SharedLeafFactory.java
29: *
30: *
31: * Created: Fri Jul 13 13:31:32 2001
32: *
33: * @author <a href="mailto: "Jens Lautenbacher</a>
34: *
35: *
36: */
37:
38: public class SharedLeafFactory {
39:
40: private static SharedLeafFactory instance = new SharedLeafFactory();
41: private TreeMap<String, SharedLeaf> sharedleaves = new TreeMap<String, SharedLeaf>();
42:
43: private SharedLeafFactory() {
44: }
45:
46: public static SharedLeafFactory getInstance() {
47: return instance;
48: }
49:
50: public synchronized SharedLeaf getSharedLeaf(
51: XsltVersion xsltVersion, FileResource path) {
52: SharedLeaf ret = (SharedLeaf) sharedleaves.get(xsltVersion
53: + ":" + path);
54: if (ret == null) {
55: ret = new SharedLeaf(path);
56: sharedleaves.put(xsltVersion + ":" + path, ret);
57: }
58: return ret;
59: }
60:
61: public void reset() {
62: sharedleaves = new TreeMap<String, SharedLeaf>();
63: }
64:
65: }// SharedLeafFactory
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