01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.caching;
18:
19: import org.apache.excalibur.source.SourceValidity;
20:
21: /**
22: * A CacheValidity object wrapping the Avalon Excalibur
23: * {@link SourceValidity} object.
24: *
25: * @since 2.1
26: * @deprecated Use the Avalon Excalibur SourceValidity implementations instead
27: * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
28: * @version CVS $Id: SourceCacheValidity.java 433543 2006-08-22 06:22:54Z crossley $
29: */
30: public final class SourceCacheValidity implements CacheValidity {
31:
32: protected SourceValidity sourceValidity;
33:
34: /**
35: * Constructor
36: */
37: public SourceCacheValidity(SourceValidity validity) {
38: this .sourceValidity = validity;
39: }
40:
41: /**
42: * Check if the component is still valid.
43: * This is only true, if the incoming CacheValidity is of the same
44: * type and has the same values.
45: */
46: public boolean isValid(CacheValidity validity) {
47: final int valid = this .sourceValidity.isValid();
48: if (valid == 1)
49: return true;
50: if (valid == 0 && validity instanceof SourceCacheValidity) {
51: if (this .sourceValidity
52: .isValid(((SourceCacheValidity) validity)
53: .getSourceValidity()) == 1) {
54: return true;
55: }
56:
57: }
58: return false;
59: }
60:
61: /**
62: * Get the real validity
63: */
64: public SourceValidity getSourceValidity() {
65: return this .sourceValidity;
66: }
67:
68: public String toString() {
69: return "Source Validity[" + this .sourceValidity + ']';
70: }
71: }
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