1/*
2 * Copyright 2007 Netflix, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
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
17package net.oauth.signature;
18
19import net.oauth.OAuth;
20import net.oauth.OAuthException;
21
22/**
23 * @author John Kristian
24 * @hide
25 */
26class PLAINTEXT extends OAuthSignatureMethod {
27
28    @Override
29    public String getSignature(String baseString) {
30        return getSignature();
31    }
32
33    @Override
34    protected boolean isValid(String signature, String baseString)
35            throws OAuthException {
36        return signature.equals(getSignature());
37    }
38
39    private synchronized String getSignature() {
40        if (signature == null) {
41            signature = OAuth.percentEncode(getConsumerSecret()) + '&'
42                    + OAuth.percentEncode(getTokenSecret());
43        }
44        return signature;
45    }
46
47    private String signature = null;
48
49    @Override
50    public void setConsumerSecret(String consumerSecret) {
51        synchronized (this) {
52            signature = null;
53        }
54        super.setConsumerSecret(consumerSecret);
55    }
56
57    @Override
58    public void setTokenSecret(String tokenSecret) {
59        synchronized (this) {
60            signature = null;
61        }
62        super.setTokenSecret(tokenSecret);
63    }
64
65}
66