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1
7
8 package org.jboss.media.registry;
9
10 import java.util.Iterator  ;
11 import java.util.Map ;
12
13 import javax.emb.FormatAlreadyBoundException;
14 import javax.emb.FormatNotFoundException;
15 import javax.emb.MediaFormat;
16
17 import org.jboss.media.util.registry.MapRegistry;
18 import org.jboss.media.util.registry.ObjectAlreadyBoundException;
19 import org.jboss.media.util.registry.ObjectNotBoundException;
20 import org.jboss.media.util.registry.Registry;
21
22
28 public class SimpleMediaFormatRegistry
29 {
30 private final Registry registry;
31
32 public SimpleMediaFormatRegistry()
33 {
34 registry = new MapRegistry();
35 }
36
37 public SimpleMediaFormatRegistry(Map initialEntries)
38 throws FormatAlreadyBoundException
39 {
40 try
41 {
42 registry = new MapRegistry(initialEntries);
43 }
44 catch (ObjectAlreadyBoundException e)
45 {
46 throw new FormatAlreadyBoundException();
47 }
48 }
49
50 public void bind(String fileExtension, MediaFormat mediaFormat)
51 throws FormatAlreadyBoundException
52 {
53 try
54 {
55 registry.bind(fileExtension, mediaFormat);
56 }
57 catch (ObjectAlreadyBoundException e)
58 {
59 throw new FormatAlreadyBoundException();
60 }
61 }
62
63 public void rebind(String fileExtension, MediaFormat mediaFormat)
64 {
65 registry.rebind(fileExtension, mediaFormat);
66 }
67
68 public void unbind(String fileExtension) throws FormatNotFoundException
69 {
70 try
71 {
72 registry.unbind(fileExtension);
73 }
74 catch (ObjectNotBoundException e)
75 {
76 throw new FormatNotFoundException();
77 }
78 }
79
80 public MediaFormat lookup(String fileExtension)
81 throws FormatNotFoundException
82 {
83 try
84 {
85 return (MediaFormat) registry.lookup(fileExtension);
86 }
87 catch (ObjectNotBoundException e)
88 {
89 throw new FormatNotFoundException();
90 }
91 }
92
93 public Iterator fileExtensions()
94 {
95 return registry.keyIterator();
96 }
97 }
98 |
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