MvcApp.java

/*
 * Copyright 2016 Kejun Xia
 *
 * 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.shipdream.lib.android.mvc.view;

import android.app.Application;

import com.shipdream.lib.android.mvc.view.test.BuildConfig;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.android.LogcatAppender;
import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.FileAppender;

public class MvcApp extends Application {
    @Override
    public void onCreate() {
        super.onCreate();
        configureLogbackDirectly();
    }

    private void configureLogbackDirectly() {
        // reset the default context (which may already have been initialized)
        // since we want to reconfigure it
        LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
        lc.reset();

        // setup FileAppender
        PatternLayoutEncoder encoder1 = new PatternLayoutEncoder();
        encoder1.setContext(lc);
        encoder1.setPattern("%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n");
        encoder1.start();

        FileAppender<ILoggingEvent> fileAppender = new FileAppender<>();
        fileAppender.setContext(lc);
        fileAppender.setFile(this.getFileStreamPath("app.log").getAbsolutePath());
        fileAppender.setEncoder(encoder1);
        fileAppender.start();

        // setup LogcatAppender
        PatternLayoutEncoder encoder2 = new PatternLayoutEncoder();
        encoder2.setContext(lc);
        encoder2.setPattern("[%thread] %msg%n");
        encoder2.start();

        LogcatAppender logcatAppender = new LogcatAppender();
        logcatAppender.setContext(lc);
        logcatAppender.setEncoder(encoder2);
        logcatAppender.start();

        // backup the newly created appenders to the root logger;
        // qualify Logger to disambiguate from org.slf4j.Logger
        ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
        root.addAppender(fileAppender);
        root.addAppender(logcatAppender);

        if (BuildConfig.DEBUG) {
            root.setLevel(Level.ALL);
        } else {
            root.setLevel(Level.INFO);
        }
    }
}