Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Entity |
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| 1.0;1 |
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 | package org.apache.commons.flatfile; | |
18 | ||
19 | import java.io.IOException; | |
20 | import java.io.InputStream; | |
21 | import java.io.OutputStream; | |
22 | import java.io.Serializable; | |
23 | ||
24 | /** | |
25 | * Represents a record or field. | |
26 | * @version $Revision: 758023 $ $Date: 2009-03-24 16:09:19 -0500 (Tue, 24 Mar 2009) $ | |
27 | */ | |
28 | public interface Entity extends Cloneable, Serializable { | |
29 | /** | |
30 | * Get the length of this Entity. | |
31 | * @return int | |
32 | */ | |
33 | int length(); | |
34 | ||
35 | /** | |
36 | * Read value from an InputStream. | |
37 | * @param is to read | |
38 | * @throws IOException on error | |
39 | */ | |
40 | void readFrom(InputStream is) throws IOException; | |
41 | ||
42 | /** | |
43 | * Write value to an OutputStream. | |
44 | * @param os to write to | |
45 | * @throws IOException on error | |
46 | */ | |
47 | void writeTo(OutputStream os) throws IOException; | |
48 | ||
49 | /** | |
50 | * Clone oneself. | |
51 | * @return a deep (or otherwise "safe") copy of this Entity. | |
52 | */ | |
53 | Entity clone(); | |
54 | ||
55 | /** | |
56 | * Fill this entity's value with all <code>b</code>. | |
57 | * @param b value | |
58 | * @throws IOException on error | |
59 | */ | |
60 | void fill(byte b) throws IOException; | |
61 | ||
62 | /** | |
63 | * Get the value of this Entity. | |
64 | * @return byte[] | |
65 | */ | |
66 | byte[] getValue(); | |
67 | ||
68 | /** | |
69 | * Get a subset of this Entity's value. | |
70 | * @param offset to start | |
71 | * @param length to extend | |
72 | * @return byte[] | |
73 | */ | |
74 | byte[] getValue(int offset, int length); | |
75 | ||
76 | /** | |
77 | * Set this Entity's value. | |
78 | * @param b byte[] | |
79 | */ | |
80 | void setValue(byte[] b); | |
81 | ||
82 | /** | |
83 | * Set this Entity's value to a subset of the specified byte[]. | |
84 | * @param b byte[] | |
85 | * @param offset int | |
86 | * @param length int | |
87 | */ | |
88 | void setValue(byte[] b, int offset, int length); | |
89 | } |