1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <log4cxx/logstring.h>
#include <log4cxx/helpers/fileinputstream.h>
#include <log4cxx/helpers/exception.h>
#include <log4cxx/helpers/bytebuffer.h>
#include <apr_file_io.h>
#include <log4cxx/helpers/transcoder.h>
#if !defined(LOG4CXX)
#define LOG4CXX 1
#endif
#include <log4cxx/helpers/aprinitializer.h>
using namespace log4cxx;
using namespace log4cxx::helpers;
IMPLEMENT_LOG4CXX_OBJECT(FileInputStream)
FileInputStream::FileInputStream(const LogString& filename) : fileptr(0) {
open(filename);
}
FileInputStream::FileInputStream(const logchar* filename) : fileptr(0) {
LogString fn(filename);
open(fn);
}
void FileInputStream::open(const LogString& filename) {
apr_fileperms_t perm = APR_OS_DEFAULT;
apr_int32_t flags = APR_READ;
apr_status_t stat = File().setPath(filename).open(&fileptr, flags, perm, pool);
if (stat != APR_SUCCESS) {
throw IOException(stat);
}
}
FileInputStream::FileInputStream(const File& aFile) {
apr_fileperms_t perm = APR_OS_DEFAULT;
apr_int32_t flags = APR_READ;
apr_status_t stat = aFile.open(&fileptr, flags, perm, pool);
if (stat != APR_SUCCESS) {
throw IOException(stat);
}
}
FileInputStream::~FileInputStream() {
if (fileptr != NULL && !APRInitializer::isDestructed) {
apr_file_close(fileptr);
}
}
void FileInputStream::close() {
apr_status_t stat = apr_file_close(fileptr);
if (stat == APR_SUCCESS) {
fileptr = NULL;
} else {
throw IOException(stat);
}
}
int FileInputStream::read(ByteBuffer& buf) {
apr_size_t bytesRead = buf.remaining();
apr_status_t stat = apr_file_read(fileptr, buf.current(), &bytesRead);
int retval = -1;
if (!APR_STATUS_IS_EOF(stat)) {
if (stat != APR_SUCCESS) {
throw IOException(stat);
}
buf.position(buf.position() + bytesRead);
retval = bytesRead;
}
return retval;
}
|
