Mercurial > hg4j
comparison src/org/tmatesoft/hg/internal/DataAccess.java @ 158:b413b16d10a5
Integer offsets and file length explictly, rather than casts throughout code. Inflater may benefit from total length hint, but shall calculate it by its own if needed
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Wed, 09 Mar 2011 13:16:37 +0100 |
parents | d5268ca7715b |
children | 5e95b0da26f2 |
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157:d5268ca7715b | 158:b413b16d10a5 |
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30 */ | 30 */ |
31 public class DataAccess { | 31 public class DataAccess { |
32 public boolean isEmpty() { | 32 public boolean isEmpty() { |
33 return true; | 33 return true; |
34 } | 34 } |
35 public long length() { | 35 public int length() { |
36 return 0; | 36 return 0; |
37 } | 37 } |
38 /** | 38 /** |
39 * get this instance into initial state | 39 * get this instance into initial state |
40 * @throws IOException | 40 * @throws IOException |
43 public DataAccess reset() throws IOException { | 43 public DataAccess reset() throws IOException { |
44 // nop, empty instance is always in the initial state | 44 // nop, empty instance is always in the initial state |
45 return this; | 45 return this; |
46 } | 46 } |
47 // absolute positioning | 47 // absolute positioning |
48 public void seek(long offset) throws IOException { | 48 public void seek(int offset) throws IOException { |
49 throw new UnsupportedOperationException(); | 49 throw new UnsupportedOperationException(); |
50 } | 50 } |
51 // relative positioning | 51 // relative positioning |
52 public void skip(int bytes) throws IOException { | 52 public void skip(int bytes) throws IOException { |
53 throw new UnsupportedOperationException(); | 53 throw new UnsupportedOperationException(); |
93 | 93 |
94 // XXX decide whether may or may not change position in the DataAccess | 94 // XXX decide whether may or may not change position in the DataAccess |
95 // FIXME exception handling is not right, just for the sake of quick test | 95 // FIXME exception handling is not right, just for the sake of quick test |
96 public byte[] byteArray() throws IOException { | 96 public byte[] byteArray() throws IOException { |
97 reset(); | 97 reset(); |
98 byte[] rv = new byte[(int) length()]; | 98 byte[] rv = new byte[length()]; |
99 readBytes(rv, 0, rv.length); | 99 readBytes(rv, 0, rv.length); |
100 return rv; | 100 return rv; |
101 } | 101 } |
102 } | 102 } |