✨ 优化一波代码。

mica-core/src/main/java/net/dreamlu/mica/core/compiler/ByteCodeLoader.java

@@ -33,7 +33,7 @@ public class ByteCodeLoader extends SecureClassLoader {
 	/**
 	 * Map which represents class name and its compiled java object
 	 */
-	private static final ConcurrentMap<String, Class<?>> javaFileObjectMap = new ConcurrentHashMap<>();
+	private static final ConcurrentMap<String, Class<?>> JAVA_FILE_OBJECT_MAP = new ConcurrentHashMap<>();
 	private final String className;
 	private final byte[] byteCode;
 
@@ -68,7 +68,7 @@ public class ByteCodeLoader extends SecureClassLoader {
 	 */
 	public static Class<?> load(String className, byte[] byteCode) {
 		CheckedFunction<String, Class<?>> classLoadFunc = (key) -> new ByteCodeLoader(key, byteCode).loadClass(className);
-		return CollectionUtil.computeIfAbsent(javaFileObjectMap, className, Unchecked.function(classLoadFunc));
+		return CollectionUtil.computeIfAbsent(JAVA_FILE_OBJECT_MAP, className, Unchecked.function(classLoadFunc));
 	}
 
 	/**

mica-core/src/main/java/net/dreamlu/mica/core/utils/BeanUtil.java

@@ -506,12 +506,12 @@ public class BeanUtil extends org.springframework.beans.BeanUtils {
 		Assert.notNull(src, "diff Map src is null.");
 		Assert.notNull(src, "diff Map dist is null.");
 		// 改变
-		Map<String, Object> difference = new HashMap<>();
+		Map<String, Object> difference = new HashMap<>(8);
 		difference.putAll(src);
 		difference.putAll(dist);
 		difference.entrySet().removeAll(src.entrySet());
 		// 老值
-		Map<String, Object> oldValues = new HashMap<>();
+		Map<String, Object> oldValues = new HashMap<>(8);
 		difference.keySet().forEach((k) -> oldValues.put(k, src.get(k)));
 		BeanDiff diff = new BeanDiff();
 		diff.getFields().addAll(difference.keySet());

mica-core/src/main/java/net/dreamlu/mica/core/utils/CountMap.java

@@ -32,7 +32,7 @@ public class CountMap {
 	private final Map<Object, AtomicLong> data;
 
 	public CountMap() {
-		this(new HashMap<>());
+		this(new HashMap<>(8));
 	}
 
 	/**

mica-ip2region/src/main/java/net/dreamlu/mica/ip2region/core/DbSearcher.java

@@ -14,9 +14,6 @@ import java.nio.charset.StandardCharsets;
  * @author chenxin<chenxin619315 @ gmail.com>
  */
 public class DbSearcher {
-	public static final int BTREE_ALGORITHM = 1;
-	public static final int BINARY_ALGORITHM = 2;
-	public static final int MEMORY_ALGORITYM = 3;
 
 	/**
 	 * db config
@@ -274,7 +271,9 @@ public class DbSearcher {
 		}
 
 		//not matched
-		if (dataptr == 0) return null;
+		if (dataptr == 0) {
+			return null;
+		}
 
 		//3. get the data
 		int dataLen = (int) ((dataptr >> 24) & 0xFF);
@@ -342,7 +341,9 @@ public class DbSearcher {
 		}
 
 		//not matched
-		if (dataptr == 0) return null;
+		if (dataptr == 0) {
+			return null;
+		}
 
 		//get the data
 		int dataLen = (int) ((dataptr >> 24) & 0xFF);

mica-ip2region/src/main/java/net/dreamlu/mica/ip2region/utils/Ip2regionUtil.java

@@ -85,7 +85,9 @@ public class Ip2regionUtil {
 	 */
 	public static long ip2long(String ip) {
 		String[] p = ip.split("\\.");
-		if (p.length != 4) return 0;
+		if (p.length != 4) {
+			return 0;
+		}
 
 		int p1 = ((Integer.parseInt(p[0]) << 24) & 0xFF000000);
 		int p2 = ((Integer.parseInt(p[1]) << 16) & 0x00FF0000);
@@ -116,12 +118,18 @@ public class Ip2regionUtil {
 	 */
 	public static boolean isIpAddress(String ip) {
 		String[] p = ip.split("\\.");
-		if (p.length != 4) return false;
+		if (p.length != 4) {
+			return false;
+		}
 
 		for (String pp : p) {
-			if (pp.length() > 3) return false;
+			if (pp.length() > 3) {
+				return false;
+			}
 			int val = Integer.parseInt(pp);
-			if (val > 255) return false;
+			if (val > 255) {
+				return false;
+			}
 		}
 
 		return true;

mica-laytpl/src/main/java/net/dreamlu/mica/laytpl/MicaTemplate.java

@@ -116,7 +116,7 @@ public class MicaTemplate implements ApplicationContextAware, InitializingBean {
 		final ScriptEngineManager engineManager = new ScriptEngineManager();
 		final ScriptEngine engine = engineManager.getEngineByMimeType("text/javascript");
 		Bindings bindings = engine.createBindings();
-		Map<String, String> config = new HashMap<>(2);
+		Map<String, String> config = new HashMap<>(4);
 		config.put("open", tplProperties.getOpen());
 		config.put("close", tplProperties.getClose());
 		bindings.put("console", console);

mica-logging/src/main/java/net/dreamlu/mica/logging/appender/LoggingJsonFileAppender.java

@@ -59,7 +59,7 @@ public class LoggingJsonFileAppender implements ILoggingAppender {
 		String logDir = environment.getProperty("logging.file.path", LoggingUtil.DEFAULT_LOG_DIR);
 		this.logAllFile = logDir + CharPool.SLASH + appName + CharPool.SLASH + LoggingUtil.LOG_FILE_ALL;
 		// 4. json 自定义字段
-		Map<String, Object> customFields = new HashMap<>();
+		Map<String, Object> customFields = new HashMap<>(4);
 		customFields.put("appName", appName);
 		customFields.put("profile", profile);
 		this.customFieldsJson = JsonUtil.toJson(customFields);

mica-logging/src/main/java/net/dreamlu/mica/logging/appender/LoggingLogStashAppender.java

@@ -49,7 +49,7 @@ public class LoggingLogStashAppender implements ILoggingAppender {
 		String appName = environment.getRequiredProperty(MicaConstant.SPRING_APP_NAME_KEY);
 		String profile = environment.getRequiredProperty(MicaConstant.ACTIVE_PROFILES_PROPERTY);
 		// 2. json 自定义字段
-		Map<String, Object> customFields = new HashMap<>();
+		Map<String, Object> customFields = new HashMap<>(4);
 		customFields.put("appName", appName);
 		customFields.put("profile", profile);
 		this.customFieldsJson = JsonUtil.toJson(customFields);

mica-logging/src/main/java/net/dreamlu/mica/logging/config/LoggingInitializer.java

@@ -22,6 +22,10 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.env.EnvironmentPostProcessor;
 import org.springframework.core.Ordered;
 import org.springframework.core.env.ConfigurableEnvironment;
+import org.springframework.core.env.MapPropertySource;
+
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * logging 日志初始化
@@ -30,13 +34,21 @@ import org.springframework.core.env.ConfigurableEnvironment;
  */
 @AutoEnvPostProcessor
 public class LoggingInitializer implements EnvironmentPostProcessor, Ordered {
+	public static final String LOGGING_FILE_PATH_KEY = "logging.file.path";
+	public static final String LOGGING_FILE_NAME_KEY = "logging.file.name";
+	public static final String MICA_LOGGING_PROPERTY_SOURCE_NAME = "micaLoggingPropertySource";
 
 	@Override
 	public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
 		// 读取系统配置的日志目录，默认为项目下 logs
-		String logBase = environment.getProperty("logging.file.path", LoggingUtil.DEFAULT_LOG_DIR);
+		String logBase = environment.getProperty(LOGGING_FILE_PATH_KEY, LoggingUtil.DEFAULT_LOG_DIR);
 		// 用于 spring boot admin 中展示日志
-		System.setProperty("logging.file.name", logBase + "/${spring.application.name}/" + LoggingUtil.LOG_FILE_ALL);
+		if (!environment.containsProperty(LOGGING_FILE_NAME_KEY)) {
+			Map<String, Object> map = new HashMap<>(2);
+			map.put(LOGGING_FILE_NAME_KEY, logBase + "/${spring.application.name}/" + LoggingUtil.LOG_FILE_ALL);
+			MapPropertySource propertySource = new MapPropertySource(MICA_LOGGING_PROPERTY_SOURCE_NAME, map);
+			environment.getPropertySources().addLast(propertySource);
+		}
 	}
 
 	@Override

mica-logging/src/main/java/net/dreamlu/mica/logging/config/MicaLoggingConfiguration.java

@@ -126,7 +126,7 @@ public class MicaLoggingConfiguration {
 	@Order(Ordered.HIGHEST_PRECEDENCE)
 	private static class LoggingCondition extends SpringBootCondition {
 		private static final String LOG_STASH_CLASS_NAME = "net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder";
-		private static final String Loki_CLASS_NAME = "com.github.loki4j.logback.Loki4jAppender";
+		private static final String LOKI_CLASS_NAME = "com.github.loki4j.logback.Loki4jAppender";
 
 		@Override
 		public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
@@ -179,7 +179,7 @@ public class MicaLoggingConfiguration {
 		}
 
 		private static boolean hasLokiDependencies(ClassLoader classLoader) {
-			return ClassUtils.isPresent(Loki_CLASS_NAME, classLoader);
+			return ClassUtils.isPresent(LOKI_CLASS_NAME, classLoader);
 		}
 	}
 

mica-metrics/src/main/java/net/dreamlu/mica/metrics/druid/DruidMetricsConfiguration.java

@@ -61,7 +61,7 @@ public class DruidMetricsConfiguration {
 	@Bean
 	public DruidMetrics druidMetrics(ObjectProvider<Map<String, DataSource>> dataSourcesProvider) {
 		Map<String, DataSource> dataSourceMap = dataSourcesProvider.getIfAvailable(HashMap::new);
-		Map<String, DruidDataSource> druidDataSourceMap = new HashMap<>(1);
+		Map<String, DruidDataSource> druidDataSourceMap = new HashMap<>(2);
 		dataSourceMap.forEach((name, dataSource) -> {
 			// 保证连接池数据和 DataSourcePoolMetadataProvider 的一致
 			druidDataSourceMap.put(getDataSourceName(name), DataSourceUnwrapper.unwrap(dataSource, DruidDataSource.class));

mica-spider/src/main/java/net/dreamlu/mica/spider/http/HostCookieJar.java

@@ -33,14 +33,14 @@ public enum HostCookieJar implements CookieJar {
 	 */
 	INSTANCE;
 
-	private static final Map<String, Map<String, Cookie>> COOKIE_MAP = new HashMap<>();
+	private static final Map<String, Map<String, Cookie>> COOKIE_MAP = new HashMap<>(8);
 
 	@Override
 	public void saveFromResponse(HttpUrl url, List<Cookie> cookies) {
 		String host = url.host();
 		Map<String, Cookie> cookieMap = COOKIE_MAP.get(host);
 		if (cookieMap == null) {
-			cookieMap = new HashMap<>();
+			cookieMap = new HashMap<>(8);
 		}
 		// 便于新 cookie 替换老的 cookie
 		for (Cookie cookie : cookies) {