blob: e59a301a8e50f92f3fe75119d44b4ef9cb424d5b (
plain)
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
95
96
97
98
99
100
101
102
103
104
105
|
/*
* Copyright 2016-2017, Nokia Corporation
*
* Licensed 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.
*/
package org.onap.vfc.nfvo.driver.vnfm.svnfm.common.util;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class CommonUtil {
private static final Logger logger = LoggerFactory.getLogger(CommonUtil.class);
public static String getJsonStrFromFile(String filePath) throws IOException {
InputStream ins = null;
BufferedInputStream bins = null;
String fileContent = "";
String fileName = getAppRoot() + filePath;
try {
ins = new FileInputStream(fileName);
bins = new BufferedInputStream(ins);
byte[] contentByte = new byte[ins.available()];
int num = bins.read(contentByte);
if(num > 0) {
fileContent = new String(contentByte);
}
} catch(FileNotFoundException e) {
logger.error(fileName + "is not found!", e);
} finally {
if(ins != null) {
ins.close();
}
if(bins != null) {
bins.close();
}
}
return fileContent;
}
public static String getAppRoot() {
String appRoot = System.getProperty("catalina.base");
if(appRoot != null) {
appRoot = getCanonicalPath(appRoot);
}
return appRoot;
}
private static String getCanonicalPath(final String inPath) {
String path = null;
try {
if(inPath != null) {
final File file = new File(inPath);
path = file.getCanonicalPath();
}
} catch(final IOException e) {
logger.error("file.getCanonicalPath() IOException:", e);
}
return path;
}
public static byte[] getBytes(String filePath){
byte[] buffer = null;
try {
File file = new File(filePath);
FileInputStream fis = new FileInputStream(file);
ByteArrayOutputStream bos = new ByteArrayOutputStream(1000);
byte[] b = new byte[1000];
int n;
while ((n = fis.read(b)) != -1) {
bos.write(b, 0, n);
}
fis.close();
bos.close();
buffer = bos.toByteArray();
} catch (FileNotFoundException e) {
logger.error("file " + filePath + " is not found.", e);
} catch (IOException e) {
logger.error("file " + filePath + " IOException.", e);
}
return buffer;
}
}
|
