/hudson-core/src/main/java/hudson/util/HexBinaryConverter.java

 1/*
 2 * The MIT License
 3 * 
 4 * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
 5 * 
 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
 7 * of this software and associated documentation files (the "Software"), to deal
 8 * in the Software without restriction, including without limitation the rights
 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 * 
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 * 
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24package hudson.util;
25
26import com.thoughtworks.xstream.converters.Converter;
27import com.thoughtworks.xstream.converters.MarshallingContext;
28import com.thoughtworks.xstream.converters.UnmarshallingContext;
29import com.thoughtworks.xstream.io.HierarchicalStreamReader;
30import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
31import hudson.Util;
32
33/**
34 * @author Kohsuke Kawaguchi
35 */
36public class HexBinaryConverter implements Converter {
37
38    public boolean canConvert(Class type) {
39        return type==byte[].class;
40    }
41
42    public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
43        byte[] data = (byte[]) source;
44        writer.setValue(Util.toHexString(data));
45    }
46
47    public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
48        String data = reader.getValue(); // needs to be called before hasMoreChildren.
49        return Util.fromHexString(data);
50    }
51}