feat: 新增命令行配置、优先级最高.

src/main/java/com/serliunx/ddns/ManagerLite.java

@@ -1,5 +1,6 @@
 package com.serliunx.ddns;
 
+import com.serliunx.ddns.config.CommandLineConfiguration;
 import com.serliunx.ddns.config.Configuration;
 import com.serliunx.ddns.config.PropertiesConfiguration;
 import com.serliunx.ddns.constant.SystemConstants;
@@ -8,6 +9,8 @@ import com.serliunx.ddns.core.context.MultipleSourceInstanceContext;
 import com.serliunx.ddns.support.SystemInitializer;
 import com.serliunx.ddns.support.okhttp.HttpClient;
 
+import java.util.Collections;
+
 /**
  * 启动类
  *
@@ -33,7 +36,7 @@ public final class ManagerLite {
     public static void main(String[] args) {
 
         // 配置初始化
-        initConfiguration();
+        initConfiguration(args);
 
         // 相关工具初始化
         initTools();
@@ -55,8 +58,10 @@ public final class ManagerLite {
     /**
      * 配置初始化
      */
-    private static void initConfiguration() {
-        configuration = new PropertiesConfiguration(SystemConstants.USER_SETTINGS_PROPERTIES_PATH);
+    private static void initConfiguration(String[] args) {
+        final CommandLineConfiguration cc = new CommandLineConfiguration(args);
+        cc.from(new PropertiesConfiguration(SystemConstants.USER_SETTINGS_PROPERTIES_PATH));
+        configuration = cc;
     }
 
     /**

src/main/java/com/serliunx/ddns/config/AbstractConfiguration.java

@@ -20,7 +20,7 @@ public abstract class AbstractConfiguration implements Configuration {
 
     protected final Logger log = LoggerFactory.getLogger(this.getClass());
     protected final Map<String, String> valueMap = new LinkedHashMap<>(16);
-    private final Lock loadLock = new ReentrantLock();
+    protected final Lock loadLock = new ReentrantLock();
 
     public AbstractConfiguration() {}
 

src/main/java/com/serliunx/ddns/config/CommandLineConfiguration.java

@@ -0,0 +1,133 @@
+package com.serliunx.ddns.config;
+
+import com.serliunx.ddns.core.Combination;
+import com.serliunx.ddns.support.Assert;
+
+import java.util.*;
+
+/**
+ * 从启动命令中读取的配置信息
+ *
+ * @author <a href="mailto:serliunx@yeah.net">SerLiunx</a>
+ * @version 1.0.3
+ * @since 2024/12/24
+ */
+public final class CommandLineConfiguration extends AbstractConfiguration implements Combination<Configuration> {
+
+    /**
+     * 原始参数
+     */
+    private final String[] sourceArgs;
+    /**
+     * 待合并的其他配置信息
+     */
+    private final Collection<Configuration> configurations;
+
+    /**
+     * 配置项标记
+     */
+    private static final String TAG = "-D";
+    /**
+     * 配置赋值符号(=)
+     */
+    private static final String EQUAL = "=";
+    /**
+     * 配置缓存
+     */
+    private final Map<String, String> cache = new HashMap<>();
+
+    public CommandLineConfiguration(String[] sourceArgs) {
+        this(sourceArgs, new ArrayList<>());
+    }
+
+    public CommandLineConfiguration(String[] sourceArgs, Collection<Configuration> configurations) {
+        this.sourceArgs = sourceArgs;
+        this.configurations = configurations;
+    }
+
+    /**
+     * 获取原始启动参数
+     *
+     * @return 原始启动参数
+     */
+    public String[] getSourceArgs() {
+        return sourceArgs;
+    }
+
+    @Override
+    public int getPriority() {
+        return 0;
+    }
+
+    @Override
+    public void from(Configuration configuration) {
+        configurations.add(configuration);
+    }
+
+    @Override
+    public void from(Collection<? extends Configuration> configurations) {
+        this.configurations.addAll(configurations);
+    }
+
+    @Override
+    public Configuration getOriginal() {
+        return this;
+    }
+
+    @Override
+    public Collection<? extends Configuration> getCombinations() {
+        return configurations;
+    }
+
+    @Override
+    protected void refresh0() {
+        if (sourceArgs == null) {
+            return;
+        }
+
+        for (String arg : sourceArgs) {
+            if (!arg.startsWith(TAG)) {
+                continue;
+            }
+            String key = arg.substring(TAG.length(), arg.indexOf(EQUAL));
+            String value = arg.substring(arg.indexOf(EQUAL) + 1);
+            cache.put(key, value);
+        }
+
+        // 载入配置
+        load();
+    }
+
+    @Override
+    protected void load0() {
+        // 合并
+        merge();
+        // 更新
+        valueMap.putAll(cache);
+        // 清除缓存
+        cache.clear();
+    }
+
+    /**
+     * 将其他配置信息合并到当前配置信息
+     * <li> 命令行参数的配置信息优先级高于其他配置信息
+     * <li> 仅在持有锁的情况下访问
+     */
+    private void merge() {
+        Assert.notEmpty(configurations);
+
+        for (Configuration configuration : configurations) {
+            if (configuration instanceof AbstractConfiguration) {
+                AbstractConfiguration ac = (AbstractConfiguration) configuration;
+                ac.refresh0();
+            }
+
+            final Map<String, String> keyValue = configuration.getAllKeyAndValue();
+            keyValue.forEach((k, v) -> {
+                if (!cache.containsKey(k)) {
+                    cache.put(k, v);
+                }
+            });
+        }
+    }
+}

src/main/java/com/serliunx/ddns/core/Combination.java

@@ -0,0 +1,43 @@
+package com.serliunx.ddns.core;
+
+import java.util.Collection;
+
+/**
+ * 组合, 将多个对象以一定的逻辑相组合
+ *
+ * @author <a href="mailto:serliunx@yeah.net">SerLiunx</a>
+ * @version 1.0.3
+ * @since 2024/12/24
+ *
+ * @param <E> 合并的类型
+ */
+public interface Combination<E> {
+
+    /**
+     * 组合指定对象
+     *
+     * @param e 对象
+     */
+    void from(E e);
+
+    /**
+     * 批量组合对象
+     *
+     * @param es 对象集合
+     */
+    void from(Collection<? extends E> es);
+
+    /**
+     * 获取原始对象(未组合前的)
+     *
+     * @return 原始对象
+     */
+    E getOriginal();
+
+    /**
+     * 获取该对象中所有组合的来源
+     *
+     * @return 所有组合来源
+     */
+    Collection<? extends E> getCombinations();
+}

src/test/java/com/serliunx/ddns/test/config/CmdConfigurationTest.java

@@ -0,0 +1,25 @@
+package com.serliunx.ddns.test.config;
+
+import com.serliunx.ddns.config.CommandLineConfiguration;
+import com.serliunx.ddns.config.PropertiesConfiguration;
+import com.serliunx.ddns.constant.SystemConstants;
+import org.junit.Test;
+
+import java.util.Collections;
+
+/**
+ * 命令行配置读取测试
+ *
+ * @author <a href="mailto:serliunx@yeah.net">SerLiunx</a>
+ * @since 2024/12/24
+ */
+public class CmdConfigurationTest {
+
+    @Test
+    public void testCmd() {
+        CommandLineConfiguration configuration = new CommandLineConfiguration(new String[]{"-Dtest.env=1",
+                "-Dsystem.cfg.log.onstart=false", "-Dapplication.name=jack"},
+                Collections.singleton(new PropertiesConfiguration(SystemConstants.USER_SETTINGS_PROPERTIES_PATH)));
+        configuration.refresh();
+    }
+}