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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ByteArrayInput.java | 50% | 57.1% | 60% | 57.1% |
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1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | * | |
17 | * $Id: ByteArrayInput.java 571951 2007-09-02 10:53:51Z vgritsenko $ | |
18 | */ | |
19 | ||
20 | package org.apache.xindice.util; | |
21 | ||
22 | import java.io.ByteArrayInputStream; | |
23 | import java.io.IOException; | |
24 | import java.io.InputStream; | |
25 | ||
26 | /** | |
27 | * ByteArrayInput is a wrapper around ByteArrayInputStream that allows read | |
28 | * access to the current position pointer. | |
29 | * | |
30 | * @version $Revision: 571951 $, $Date: 2007-09-02 03:53:51 -0700 (Sun, 02 Sep 2007) $ | |
31 | */ | |
32 | public final class ByteArrayInput extends ByteArrayInputStream { | |
33 | ||
34 | 0 | public ByteArrayInput(byte[] buf) { |
35 | 0 | super(buf); |
36 | } | |
37 | ||
38 | 721308 | public ByteArrayInput(byte[] buf, int pos, int length) { |
39 | 721308 | super(buf, pos, length); |
40 | } | |
41 | ||
42 | /** | |
43 | * getPos returns the current read position in the array. This value is not | |
44 | * a relative offset from the start of the original stream, but an absolute | |
45 | * position in the array itself. | |
46 | * | |
47 | * @return The Array Position | |
48 | */ | |
49 | 416198 | public int getPos() { |
50 | 416198 | return pos; |
51 | } | |
52 | ||
53 | /** | |
54 | * setPos sets the current read position in the array. This value is not a | |
55 | * relative offset from the start of the original stream, but an absolute | |
56 | * position in the array itself. As such, you can seek back to a position | |
57 | * before the originating position of the InputStream. | |
58 | * | |
59 | * @param pos The Array Position | |
60 | * @throws IOException if the position is out of range | |
61 | */ | |
62 | 416198 | public void setPos(int pos) throws IOException { |
63 | 416198 | if (pos >= 0 && pos < buf.length) { |
64 | 416198 | this.pos = pos; |
65 | } else { | |
66 | 0 | throw new IOException("setPos position out of bounds"); |
67 | } | |
68 | } | |
69 | ||
70 | /** | |
71 | * getInputStream returns a newly created ByteArrayInput based on this | |
72 | * instance's data and current position. This is a good alternative to | |
73 | * mark and reset because it allows multiple threads to safely access | |
74 | * the byte array at one time. | |
75 | * | |
76 | * @return The New ByteArrayInput object | |
77 | */ | |
78 | 0 | public InputStream getInputStream() { |
79 | 0 | return new ByteArrayInput(buf, pos, count); |
80 | } | |
81 | } |
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