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use slog::Logger;
use {Result, Build, LoggerBuilder};
use file::FileLoggerConfig;
use null::NullLoggerConfig;
use terminal::TerminalLoggerConfig;
use types::Severity;
pub trait Config {
type Builder: Build;
fn try_to_builder(&self) -> Result<Self::Builder>;
fn build_logger(&self) -> Result<Logger> {
let builder = track!(self.try_to_builder())?;
let logger = track!(builder.build())?;
Ok(logger)
}
}
#[allow(missing_docs)]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type")]
#[serde(rename_all = "lowercase")]
pub enum LoggerConfig {
File(FileLoggerConfig),
Null(NullLoggerConfig),
Terminal(TerminalLoggerConfig),
}
impl LoggerConfig {
pub fn set_loglevel(&mut self, level: Severity) {
match *self {
LoggerConfig::File(ref mut c) => c.level = level,
LoggerConfig::Null(_) => {}
LoggerConfig::Terminal(ref mut c) => c.level = level,
}
}
}
impl Config for LoggerConfig {
type Builder = LoggerBuilder;
fn try_to_builder(&self) -> Result<Self::Builder> {
match *self {
LoggerConfig::File(ref c) => track!(c.try_to_builder()).map(LoggerBuilder::File),
LoggerConfig::Null(ref c) => track!(c.try_to_builder()).map(LoggerBuilder::Null),
LoggerConfig::Terminal(ref c) => {
track!(c.try_to_builder()).map(LoggerBuilder::Terminal)
}
}
}
}
impl Default for LoggerConfig {
fn default() -> Self {
LoggerConfig::Terminal(TerminalLoggerConfig::default())
}
}