01: /*
02: * Copyright (c) 2007, intarsys consulting GmbH
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * - Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * - Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * - Neither the name of intarsys nor the names of its contributors may be used
15: * to endorse or promote products derived from this software without specific
16: * prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28: * POSSIBILITY OF SUCH DAMAGE.
29: */
30: package de.intarsys.pdf.cos;
31:
32: import java.util.HashMap;
33: import java.util.Map;
34:
35: public class MetaClass {
36: static private Map metaClasses = new HashMap();
37:
38: protected final Class instanceClass;
39:
40: public MetaClass(Class instanceClass) {
41: super ();
42: this .instanceClass = instanceClass;
43: register(this );
44: }
45:
46: final public Class getInstanceClass() {
47: return instanceClass;
48: }
49:
50: public Class getRootClass() {
51: return getInstanceClass();
52: }
53:
54: static public synchronized MetaClass lookup(Class clazz) {
55: MetaClass result = (MetaClass) metaClasses.get(clazz);
56: if (result == null) {
57: clazz.getClasses();
58: try {
59: Class.forName(clazz.getName());
60: } catch (ClassNotFoundException e) {
61: // ignore
62: }
63: result = (MetaClass) metaClasses.get(clazz);
64: }
65: return result;
66: }
67:
68: static private synchronized void register(MetaClass metaClass) {
69: metaClasses.put(metaClass.getInstanceClass(), metaClass);
70: }
71: }
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