Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DumpObject |
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| 2.3333333333333335;2.333 |
1 | // Copyright 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.contrib.components; | |
16 | ||
17 | import java.io.BufferedOutputStream; | |
18 | import java.io.CharArrayWriter; | |
19 | import java.io.ObjectOutputStream; | |
20 | ||
21 | import org.apache.tapestry.AbstractComponent; | |
22 | import org.apache.tapestry.IMarkupWriter; | |
23 | import org.apache.tapestry.IRequestCycle; | |
24 | import org.apache.tapestry.util.io.BinaryDumpOutputStream; | |
25 | ||
26 | /** | |
27 | * Used to dump out an object's serialized representation in a mix of hex and ascii. The output is | |
28 | * formatted for a fixed width font, typically should be enclosed in <pre> tags. | |
29 | * | |
30 | * @see org.apache.tapestry.util.io.BinaryDumpOutputStream | |
31 | * @author Howard M. Lewis Ship | |
32 | * @since 4.0 | |
33 | */ | |
34 | ||
35 | 0 | public abstract class DumpObject extends AbstractComponent |
36 | { | |
37 | // Parameters: | |
38 | ||
39 | public abstract Object getObject(); | |
40 | ||
41 | protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) | |
42 | { | |
43 | 0 | if (cycle.isRewinding()) |
44 | 0 | return; |
45 | ||
46 | 0 | String asText = convert(getObject()); |
47 | ||
48 | 0 | writer.print(asText); |
49 | 0 | } |
50 | ||
51 | String convert(Object object) | |
52 | { | |
53 | try | |
54 | { | |
55 | 0 | CharArrayWriter writer = new CharArrayWriter(); |
56 | 0 | BinaryDumpOutputStream bdos = new BinaryDumpOutputStream(writer); |
57 | 0 | ObjectOutputStream oos = new ObjectOutputStream(new BufferedOutputStream(bdos)); |
58 | ||
59 | 0 | oos.writeObject(object); |
60 | ||
61 | 0 | oos.close(); |
62 | ||
63 | 0 | return writer.toString(); |
64 | } | |
65 | 0 | catch (Exception ex) |
66 | { | |
67 | 0 | return ex.toString(); |
68 | } | |
69 | } | |
70 | } |