01: /*
02: * Copyright 2004-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.springframework.webflow.util;
17:
18: import java.io.Serializable;
19:
20: /**
21: * A key generator that uses the RandomGuid support class. The default
22: * implementation used by the webflow system.
23: *
24: * @author Keith Donald
25: */
26: public class RandomGuidUidGenerator implements UidGenerator,
27: Serializable {
28:
29: /**
30: * Should the random GUID generated be secure?
31: */
32: private boolean secure;
33:
34: /**
35: * Returns whether or not the generated random numbers are
36: * <i>secure</i>, meaning cryptographically strong.
37: */
38: public boolean isSecure() {
39: return secure;
40: }
41:
42: /**
43: * Sets whether or not the generated random numbers should be
44: * <i>secure</i>. If set to true, generated GUIDs are cryptographically
45: * strong.
46: */
47: public void setSecure(boolean secure) {
48: this .secure = secure;
49: }
50:
51: public Serializable generateUid() {
52: return new RandomGuid(secure).toString();
53: }
54:
55: public Serializable parseUid(String encodedUid) {
56: return encodedUid;
57: }
58: }
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