01: /*
02: * IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
03: *
04: * http://izpack.org/
05: * http://izpack.codehaus.org/
06: *
07: * Copyright 2003 Elmar Grom
08: *
09: * Licensed under the Apache License, Version 2.0 (the "License");
10: * you may not use this file except in compliance with the License.
11: * You may obtain a copy of the License at
12: *
13: * http://www.apache.org/licenses/LICENSE-2.0
14: *
15: * Unless required by applicable law or agreed to in writing, software
16: * distributed under the License is distributed on an "AS IS" BASIS,
17: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18: * See the License for the specific language governing permissions and
19: * limitations under the License.
20: */
21:
22: package com.izforge.izpack.sample;
23:
24: import com.izforge.izpack.panels.ProcessingClient;
25: import com.izforge.izpack.panels.Processor;
26:
27: /*---------------------------------------------------------------------------*/
28: /**
29: * This class provides a demonstration for using an encryption service in
30: * connection with a <code>RuleInputField</code>, as used in a
31: * <code>UserInputPanel</code>.
32: *
33: * @version 0.0.1 / 02/19/03
34: * @author Elmar Grom
35: */
36: /*---------------------------------------------------------------------------*/
37: public class Scrambler implements Processor {
38: /*--------------------------------------------------------------------------*/
39: /**
40: * Rearranges the input fields and concatenates the result, separating
41: * individual fields with a '*'.
42: *
43: * @param client the client object using the services of this encryptor.
44: *
45: * @return the encryption result.
46: */
47: /*--------------------------------------------------------------------------*/
48: public String process(ProcessingClient client) {
49: StringBuffer buffer = new StringBuffer();
50:
51: for (int i = client.getNumFields() - 1; i > -1; i--) {
52: buffer.append(client.getFieldContents(i));
53: if (i > 0) {
54: buffer.append('*');
55: }
56: }
57:
58: return (buffer.toString());
59: }
60: }
61: /*---------------------------------------------------------------------------*/
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