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Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/log4go/wrapper.go')
| -rw-r--r-- | Godeps/_workspace/src/code.google.com/p/log4go/wrapper.go | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/log4go/wrapper.go b/Godeps/_workspace/src/code.google.com/p/log4go/wrapper.go new file mode 100644 index 000000000..10ecd88e6 --- /dev/null +++ b/Godeps/_workspace/src/code.google.com/p/log4go/wrapper.go @@ -0,0 +1,278 @@ +// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved. + +package log4go + +import ( + "errors" + "os" + "fmt" + "strings" +) + +var ( + Global Logger +) + +func init() { + Global = NewDefaultLogger(DEBUG) +} + +// Wrapper for (*Logger).LoadConfiguration +func LoadConfiguration(filename string) { + Global.LoadConfiguration(filename) +} + +// Wrapper for (*Logger).AddFilter +func AddFilter(name string, lvl level, writer LogWriter) { + Global.AddFilter(name, lvl, writer) +} + +// Wrapper for (*Logger).Close (closes and removes all logwriters) +func Close() { + Global.Close() +} + +func Crash(args ...interface{}) { + if len(args) > 0 { + Global.intLogf(CRITICAL, strings.Repeat(" %v", len(args))[1:], args...) + } + panic(args) +} + +// Logs the given message and crashes the program +func Crashf(format string, args ...interface{}) { + Global.intLogf(CRITICAL, format, args...) + Global.Close() // so that hopefully the messages get logged + panic(fmt.Sprintf(format, args...)) +} + +// Compatibility with `log` +func Exit(args ...interface{}) { + if len(args) > 0 { + Global.intLogf(ERROR, strings.Repeat(" %v", len(args))[1:], args...) + } + Global.Close() // so that hopefully the messages get logged + os.Exit(0) +} + +// Compatibility with `log` +func Exitf(format string, args ...interface{}) { + Global.intLogf(ERROR, format, args...) + Global.Close() // so that hopefully the messages get logged + os.Exit(0) +} + +// Compatibility with `log` +func Stderr(args ...interface{}) { + if len(args) > 0 { + Global.intLogf(ERROR, strings.Repeat(" %v", len(args))[1:], args...) + } +} + +// Compatibility with `log` +func Stderrf(format string, args ...interface{}) { + Global.intLogf(ERROR, format, args...) +} + +// Compatibility with `log` +func Stdout(args ...interface{}) { + if len(args) > 0 { + Global.intLogf(INFO, strings.Repeat(" %v", len(args))[1:], args...) + } +} + +// Compatibility with `log` +func Stdoutf(format string, args ...interface{}) { + Global.intLogf(INFO, format, args...) +} + +// Send a log message manually +// Wrapper for (*Logger).Log +func Log(lvl level, source, message string) { + Global.Log(lvl, source, message) +} + +// Send a formatted log message easily +// Wrapper for (*Logger).Logf +func Logf(lvl level, format string, args ...interface{}) { + Global.intLogf(lvl, format, args...) +} + +// Send a closure log message +// Wrapper for (*Logger).Logc +func Logc(lvl level, closure func() string) { + Global.intLogc(lvl, closure) +} + +// Utility for finest log messages (see Debug() for parameter explanation) +// Wrapper for (*Logger).Finest +func Finest(arg0 interface{}, args ...interface{}) { + const ( + lvl = FINEST + ) + switch first := arg0.(type) { + case string: + // Use the string as a format string + Global.intLogf(lvl, first, args...) + case func() string: + // Log the closure (no other arguments used) + Global.intLogc(lvl, first) + default: + // Build a format string so that it will be similar to Sprint + Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) + } +} + +// Utility for fine log messages (see Debug() for parameter explanation) +// Wrapper for (*Logger).Fine +func Fine(arg0 interface{}, args ...interface{}) { + const ( + lvl = FINE + ) + switch first := arg0.(type) { + case string: + // Use the string as a format string + Global.intLogf(lvl, first, args...) + case func() string: + // Log the closure (no other arguments used) + Global.intLogc(lvl, first) + default: + // Build a format string so that it will be similar to Sprint + Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) + } +} + +// Utility for debug log messages +// When given a string as the first argument, this behaves like Logf but with the DEBUG log level (e.g. the first argument is interpreted as a format for the latter arguments) +// When given a closure of type func()string, this logs the string returned by the closure iff it will be logged. The closure runs at most one time. +// When given anything else, the log message will be each of the arguments formatted with %v and separated by spaces (ala Sprint). +// Wrapper for (*Logger).Debug +func Debug(arg0 interface{}, args ...interface{}) { + const ( + lvl = DEBUG + ) + switch first := arg0.(type) { + case string: + // Use the string as a format string + Global.intLogf(lvl, first, args...) + case func() string: + // Log the closure (no other arguments used) + Global.intLogc(lvl, first) + default: + // Build a format string so that it will be similar to Sprint + Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) + } +} + +// Utility for trace log messages (see Debug() for parameter explanation) +// Wrapper for (*Logger).Trace +func Trace(arg0 interface{}, args ...interface{}) { + const ( + lvl = TRACE + ) + switch first := arg0.(type) { + case string: + // Use the string as a format string + Global.intLogf(lvl, first, args...) + case func() string: + // Log the closure (no other arguments used) + Global.intLogc(lvl, first) + default: + // Build a format string so that it will be similar to Sprint + Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) + } +} + +// Utility for info log messages (see Debug() for parameter explanation) +// Wrapper for (*Logger).Info +func Info(arg0 interface{}, args ...interface{}) { + const ( + lvl = INFO + ) + switch first := arg0.(type) { + case string: + // Use the string as a format string + Global.intLogf(lvl, first, args...) + case func() string: + // Log the closure (no other arguments used) + Global.intLogc(lvl, first) + default: + // Build a format string so that it will be similar to Sprint + Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) + } +} + +// Utility for warn log messages (returns an error for easy function returns) (see Debug() for parameter explanation) +// These functions will execute a closure exactly once, to build the error message for the return +// Wrapper for (*Logger).Warn +func Warn(arg0 interface{}, args ...interface{}) error { + const ( + lvl = WARNING + ) + switch first := arg0.(type) { + case string: + // Use the string as a format string + Global.intLogf(lvl, first, args...) + return errors.New(fmt.Sprintf(first, args...)) + case func() string: + // Log the closure (no other arguments used) + str := first() + Global.intLogf(lvl, "%s", str) + return errors.New(str) + default: + // Build a format string so that it will be similar to Sprint + Global.intLogf(lvl, fmt.Sprint(first)+strings.Repeat(" %v", len(args)), args...) + return errors.New(fmt.Sprint(first) + fmt.Sprintf(strings.Repeat(" %v", len(args)), args...)) + } + return nil +} + +// Utility for error log messages (returns an error for easy function returns) (see Debug() for parameter explanation) +// These functions will execute a closure exactly once, to build the error message for the return +// Wrapper for (*Logger).Error +func Error(arg0 interface{}, args ...interface{}) error { + const ( + lvl = ERROR + ) + switch first := arg0.(type) { + case string: + // Use the string as a format string + Global.intLogf(lvl, first, args...) + return errors.New(fmt.Sprintf(first, args...)) + case func() string: + // Log the closure (no other arguments used) + str := first() + Global.intLogf(lvl, "%s", str) + return errors.New(str) + default: + // Build a format string so that it will be similar to Sprint + Global.intLogf(lvl, fmt.Sprint(first)+strings.Repeat(" %v", len(args)), args...) + return errors.New(fmt.Sprint(first) + fmt.Sprintf(strings.Repeat(" %v", len(args)), args...)) + } + return nil +} + +// Utility for critical log messages (returns an error for easy function returns) (see Debug() for parameter explanation) +// These functions will execute a closure exactly once, to build the error message for the return +// Wrapper for (*Logger).Critical +func Critical(arg0 interface{}, args ...interface{}) error { + const ( + lvl = CRITICAL + ) + switch first := arg0.(type) { + case string: + // Use the string as a format string + Global.intLogf(lvl, first, args...) + return errors.New(fmt.Sprintf(first, args...)) + case func() string: + // Log the closure (no other arguments used) + str := first() + Global.intLogf(lvl, "%s", str) + return errors.New(str) + default: + // Build a format string so that it will be similar to Sprint + Global.intLogf(lvl, fmt.Sprint(first)+strings.Repeat(" %v", len(args)), args...) + return errors.New(fmt.Sprint(first) + fmt.Sprintf(strings.Repeat(" %v", len(args)), args...)) + } + return nil +} |