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1 | /* |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, | |
13 | * software distributed under the License is distributed on an | |
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
15 | * KIND, either express or implied. See the License for the | |
16 | * specific language governing permissions and limitations | |
17 | * under the License. | |
18 | */ | |
19 | ||
20 | var util = require('util'); | |
21 | ||
22 | var disabled = function () {}; | |
23 | var logFunc = console.log; | |
24 | var logLevel = 'error'; // default level | |
25 | ||
26 | function factory(level) { | |
27 | return function () { | |
28 | // better use spread syntax, but due to compatibility, | |
29 | // use legacy method here. | |
30 | var args = ['thrift: [' + level + '] '].concat(Array.from(arguments)); | |
31 | return logFunc(util.format.apply(null, args)); | |
32 | }; | |
33 | } | |
34 | ||
35 | var trace = disabled; | |
36 | var debug = disabled; | |
37 | var error = disabled; | |
38 | var warning = disabled; | |
39 | var info = disabled; | |
40 | ||
41 | exports.setLogFunc = function (func) { | |
42 | logFunc = func; | |
43 | }; | |
44 | ||
45 | var setLogLevel = exports.setLogLevel = function (level) { | |
46 | trace = debug = error = warning = info = disabled; | |
47 | logLevel = level; | |
48 | switch (logLevel) { | |
49 | case 'trace': | |
50 | trace = factory('TRACE'); | |
51 | case 'debug': | |
52 | debug = factory('DEBUG'); | |
53 | case 'error': | |
54 | error = factory('ERROR'); | |
55 | case 'warning': | |
56 | warning = factory('WARN'); | |
57 | case 'info': | |
58 | info = factory('INFO'); | |
59 | } | |
60 | }; | |
61 | ||
62 | // set default | |
63 | setLogLevel(logLevel); | |
64 | ||
65 | exports.getLogLevel = function () { | |
66 | return logLevel; | |
67 | }; | |
68 | ||
69 | exports.trace = function () { | |
70 | return trace.apply(null, arguments); | |
71 | }; | |
72 | ||
73 | exports.debug = function () { | |
74 | return debug.apply(null, arguments); | |
75 | }; | |
76 | ||
77 | exports.error = function () { | |
78 | return error.apply(null, arguments); | |
79 | }; | |
80 | ||
81 | exports.warning = function () { | |
82 | return warning.apply(null, arguments); | |
83 | }; | |
84 | ||
85 | exports.info = function () { | |
86 | return info.apply(null, arguments); | |
87 | }; |