Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
StreamXmlDoc |
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| 1.6666666666666667;1.667 |
1 | /* | |
2 | * Copyright 2007-2008 The Kuali Foundation | |
3 | * | |
4 | * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php | |
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 | package org.kuali.rice.core.api.impex.xml; | |
17 | ||
18 | import java.io.ByteArrayInputStream; | |
19 | import java.io.ByteArrayOutputStream; | |
20 | import java.io.IOException; | |
21 | import java.io.InputStream; | |
22 | import java.io.OutputStream; | |
23 | ||
24 | /** | |
25 | * Stream-based XML doc. | |
26 | * | |
27 | * @author Kuali Rice Team (rice.collab@kuali.org) | |
28 | */ | |
29 | 0 | public class StreamXmlDoc extends BaseXmlDoc { |
30 | private byte[] bytes; | |
31 | private InputStream stream; | |
32 | ||
33 | public StreamXmlDoc(InputStream stream, XmlDocCollection collection) { | |
34 | 0 | super(collection); |
35 | 0 | this.stream = stream; |
36 | 0 | } |
37 | ||
38 | public synchronized InputStream getStream() throws IOException { | |
39 | // this sucks, but does it suck less than copying the file? | |
40 | // or dealing with concurrency issues on a surveilling input stream | |
41 | 0 | if (bytes == null) { |
42 | 0 | bytes = StreamXmlDoc.toByteArray(stream); |
43 | } | |
44 | 0 | return new ByteArrayInputStream(bytes); |
45 | } | |
46 | ||
47 | public String getName() { | |
48 | 0 | return stream.toString(); |
49 | } | |
50 | ||
51 | /** | |
52 | * The following code copied from commons-io IOUtils to avoid a core-api dependency on that library. | |
53 | */ | |
54 | ||
55 | private static final int DEFAULT_BUFFER_SIZE = 1024 * 4; | |
56 | ||
57 | private static byte[] toByteArray(InputStream input) throws IOException { | |
58 | 0 | ByteArrayOutputStream output = new ByteArrayOutputStream(); |
59 | 0 | copy(input, output); |
60 | 0 | return output.toByteArray(); |
61 | } | |
62 | ||
63 | private static int copy(InputStream input, OutputStream output) | |
64 | throws IOException { | |
65 | 0 | long count = copyLarge(input, output); |
66 | 0 | if (count > Integer.MAX_VALUE) { |
67 | 0 | return -1; |
68 | } | |
69 | 0 | return (int) count; |
70 | } | |
71 | ||
72 | public static long copyLarge(InputStream input, OutputStream output) | |
73 | throws IOException { | |
74 | 0 | byte[] buffer = new byte[DEFAULT_BUFFER_SIZE]; |
75 | 0 | long count = 0; |
76 | 0 | int n = 0; |
77 | 0 | while (-1 != (n = input.read(buffer))) { |
78 | 0 | output.write(buffer, 0, n); |
79 | 0 | count += n; |
80 | } | |
81 | 0 | return count; |
82 | } | |
83 | ||
84 | /** | |
85 | * End code copied from common-io IOUtils | |
86 | */ | |
87 | ||
88 | } |