blob: 73e5de937adb9259db01a5cee9b9f46ebddbf727 (
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
|
/*
* Copyright (C) 2012 The Libphonenumber Authors
*
* 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 com.google.i18n.phonenumbers;
import com.google.i18n.phonenumbers.Phonemetadata.PhoneMetadata;
import com.google.i18n.phonenumbers.Phonemetadata.PhoneMetadataCollection;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Class encapsulating loading of PhoneNumber Metadata information. Currently this is used only for
* additional data files such as PhoneNumberAlternateFormats, but in the future it is envisaged it
* would handle the main metadata file (PhoneNumberMetaData.xml) as well.
*
* @author Lara Rennie
*/
class MetadataManager {
private static final String ALTERNATE_FORMATS_FILE_PREFIX =
"/com/google/i18n/phonenumbers/data/PhoneNumberAlternateFormatsProto";
private static final Logger LOGGER = Logger.getLogger(MetadataManager.class.getName());
private static final Map<Integer, PhoneMetadata> callingCodeToAlternateFormatsMap =
Collections.synchronizedMap(new HashMap<Integer, PhoneMetadata>());
// A set of which country calling codes there are alternate format data for. If the set has an
// entry for a code, then there should be data for that code linked into the resources.
private static final Set<Integer> countryCodeSet =
AlternateFormatsCountryCodeSet.getCountryCodeSet();
private MetadataManager() {
}
private static void close(InputStream in) {
if (in != null) {
try {
in.close();
} catch (IOException e) {
LOGGER.log(Level.WARNING, e.toString());
}
}
}
private static void loadMetadataFromFile(int countryCallingCode) {
InputStream source = PhoneNumberMatcher.class.getResourceAsStream(
ALTERNATE_FORMATS_FILE_PREFIX + "_" + countryCallingCode);
ObjectInputStream in = null;
try {
in = new ObjectInputStream(source);
PhoneMetadataCollection alternateFormats = new PhoneMetadataCollection();
alternateFormats.readExternal(in);
for (PhoneMetadata metadata : alternateFormats.getMetadataList()) {
callingCodeToAlternateFormatsMap.put(metadata.getCountryCode(), metadata);
}
} catch (IOException e) {
LOGGER.log(Level.WARNING, e.toString());
} finally {
close(in);
}
}
static PhoneMetadata getAlternateFormatsForCountry(int countryCallingCode) {
if (!countryCodeSet.contains(countryCallingCode)) {
return null;
}
synchronized (callingCodeToAlternateFormatsMap) {
if (!callingCodeToAlternateFormatsMap.containsKey(countryCallingCode)) {
loadMetadataFromFile(countryCallingCode);
}
}
return callingCodeToAlternateFormatsMap.get(countryCallingCode);
}
}
|
