[Add] Exec 添加一个预期(?)的启动模块;

[Add] ApplicationMain 程序主入口, 负责初始化项目运行环境和启动项目;
[Add] log4j2.xml 使用上一版日志配置, 后续会有调整;
[Add] cgj_setting.json 初始配置文件, 需等 Core 模块完成后才会具体编写;

ContentGrabbingJi-exec/src/main/java/net/lamgc/cgj/ApplicationMain.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2020  LamGC
+ *
+ * ContentGrabbingJi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * ContentGrabbingJi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.lamgc.cgj;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * ContentGrabbingJi 启动主类.
+ *
+ * 请不要在该类，甚至是该模块（指 exec 模块）开发任何与启动项目无关的功能！
+ * @author LamGC
+ */
+public class ApplicationMain {
+
+    private final static Logger log = LoggerFactory.getLogger(ApplicationMain.class);
+
+    public static void main(String[] args) {
+        log.info("ContentGrabbingJi 正在启动中...");
+        beforeRun();
+        log.info("初始化完成, 正在启动Core...");
+        run();
+        log.info("正在清理运行时内容...");
+        afterRun();
+        log.info("ContentGrabbingJi 退出.");
+    }
+
+    private static void beforeRun() {}
+
+    private static void run() {}
+
+    private static void afterRun() {}
+
+}

ContentGrabbingJi-exec/src/main/resources/default_config/cgj_setting.json

@@ -0,0 +1,3 @@
+{
+
+}

ContentGrabbingJi-exec/src/main/resources/log4j2.xml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration status="WARN">
+    <!--
+        测试版跟发布版在日志配置文件上的区别仅仅只有'Loggers'的不同, 'properties'和'Appenders'是一致的.
+     -->
+    <properties>
+        <property name="logStorePath">./logs</property>
+        <property name="charset">UTF-8</property>
+        <property name="standard_pattern">[%-d{HH:mm:ss.SSS} %5level][%logger.%method():%-3L][%thread]: %msg%n</property>
+        <property name="mirai_pattern">[%-d{HH:mm:ss.SSS} %5level][%logger]: %msg%n</property>
+        <property name="logsDir">${sys:cgj.logsPath:-logs}</property>
+    </properties>
+
+    <Appenders>
+        <Console name="STANDARD_STDOUT" target="SYSTEM_OUT">
+            <PatternLayout charset="${charset}">
+                <MarkerPatternSelector defaultPattern="${standard_pattern}">
+                    <PatternMatch key="mirai" pattern="${mirai_pattern}" />
+                </MarkerPatternSelector>
+            </PatternLayout>
+            <Filters>
+                <LevelRangeFilter minLevel="INFO" maxLevel="INFO" onMatch="ACCEPT" onMismatch="DENY"/>
+            </Filters>
+        </Console>
+        <Console name="STANDARD_STDERR" target="SYSTEM_ERR">
+            <PatternLayout charset="${charset}">
+                <MarkerPatternSelector defaultPattern="${standard_pattern}">
+                    <PatternMatch key="mirai" pattern="${mirai_pattern}" />
+                </MarkerPatternSelector>
+            </PatternLayout>
+            <Filters>
+                <ThresholdFilter level="WARN" onMatch="ACCEPT" onMismatch="DENY"/>
+            </Filters>
+        </Console>
+
+        <RollingFile name="rollingFile" fileName="${logsDir}/latest.log" filePattern="${logsDir}/running.%-d{yyyy-MM-dd_HH-mm-ss}.log.gz">
+            <Filters>
+                <ThresholdFilter level="DEBUG" onMatch="ACCEPT" onMismatch="DENY"/>
+            </Filters>
+            <PatternLayout charset="${charset}">
+                <MarkerPatternSelector defaultPattern="${standard_pattern}">
+                    <PatternMatch key="mirai" pattern="${mirai_pattern}" />
+                </MarkerPatternSelector>
+            </PatternLayout>
+            <Policies>
+                <OnStartupTriggeringPolicy />
+            </Policies>
+        </RollingFile>
+    </Appenders>
+
+    <Loggers>
+        <Logger level="INFO" name="org.apache.http"/>
+        <Root level="DEBUG">
+            <AppenderRef ref="STANDARD_STDOUT"/>
+            <AppenderRef ref="STANDARD_STDERR"/>
+            <AppenderRef ref="rollingFile"/>
+        </Root>
+    </Loggers>
+</configuration>