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.components.serializers.encoding;
18:
19: /**
20: * The <code>Charset</code> implementation provided by this factory
21: * for the unknown charset.
22: *
23: * @author <a href="mailto:pier@apache.org">Pier Fumagalli</a>, February 2003
24: * @version CVS $Id: UnknownCharset.java 433543 2006-08-22 06:22:54Z crossley $
25: */
26: public class UnknownCharset implements Charset {
27:
28: /**
29: * Create a new instance of this <code>UnknownCharset</code>.
30: */
31: public UnknownCharset() {
32: super ();
33: }
34:
35: /**
36: * Return the primary name of this <code>Charset</code>
37: */
38: public String getName() {
39: return (null);
40: }
41:
42: /**
43: * Return all alias names for this <code>Charset</code>
44: */
45: public String[] getAliases() {
46: return (new String[0]);
47: }
48:
49: /**
50: * Check if the specified character by representable in this specifiec
51: * <code>Charset</code> instance.
52: * <p>
53: * This implementation always returns <b>true</b>.
54: * </p>
55: */
56: public boolean allows(char c) {
57: return (true);
58: }
59:
60: /**
61: * Compare two <code>Charset</code> instances for equality.
62: */
63: public boolean equals(Object object) {
64: return (object instanceof UnknownCharset);
65: }
66:
67: /**
68: * Compare an object to this <code>Charset</code> instances for equality.
69: */
70: public boolean equals(Charset charset) {
71: return (charset instanceof UnknownCharset);
72: }
73: }
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