Modified to lower camel case (#3003)

Author: CrazyHZM

dubbo-common/src/main/java/org/apache/dubbo/common/compiler/support/ClassUtils.java

@@ -56,12 +56,12 @@ public static Object newInstance(String name) {
 
     public static Class<?> forName(String[] packages, String className) {
         try {
-            return _forName(className);
+            return classForName(className);
         } catch (ClassNotFoundException e) {
             if (packages != null && packages.length > 0) {
                 for (String pkg : packages) {
                     try {
-                        return _forName(pkg + "." + className);
+                        return classForName(pkg + "." + className);
                     } catch (ClassNotFoundException e2) {
                     }
                 }
@@ -72,13 +72,13 @@ public static Class<?> forName(String[] packages, String className) {
 
     public static Class<?> forName(String className) {
         try {
-            return _forName(className);
+            return classForName(className);
         } catch (ClassNotFoundException e) {
             throw new IllegalStateException(e.getMessage(), e);
         }
     }
 
-    public static Class<?> _forName(String className) throws ClassNotFoundException {
+    public static Class<?> classForName(String className) throws ClassNotFoundException {
         switch (className) {
             case "boolean":
                 return boolean.class;

dubbo-common/src/main/java/org/apache/dubbo/common/threadpool/support/AbortPolicyWithReport.java

@@ -85,10 +85,10 @@ public void run() {
 
                 SimpleDateFormat sdf;
 
-                String OS = System.getProperty("os.name").toLowerCase();
+                String os = System.getProperty("os.name").toLowerCase();
 
                 // window system don't support ":" in file name
-                if(OS.contains("win")){
+                if(os.contains("win")){
                     sdf = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");
                 }else {
                     sdf = new SimpleDateFormat("yyyy-MM-dd_HH:mm:ss");

dubbo-plugin/dubbo-qos/src/main/java/org/apache/dubbo/qos/server/handler/HttpProcessHandler.java

@@ -58,27 +58,27 @@ protected void channelRead0(ChannelHandlerContext ctx, HttpRequest msg) throws E
         // return 404 when fail to construct command context
         if (commandContext == null) {
             log.warn("can not found commandContext url: " + msg.getUri());
-            FullHttpResponse response = http_404();
+            FullHttpResponse response = http404();
             ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
         } else {
             commandContext.setRemote(ctx.channel());
             try {
                 String result = commandExecutor.execute(commandContext);
-                FullHttpResponse response = http_200(result);
+                FullHttpResponse response = http200(result);
                 ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
             } catch (NoSuchCommandException ex) {
                 log.error("can not find commandContext: " + commandContext, ex);
-                FullHttpResponse response = http_404();
+                FullHttpResponse response = http404();
                 ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
             } catch (Exception qosEx) {
                 log.error("execute commandContext: " + commandContext + " got exception", qosEx);
-                FullHttpResponse response = http_500(qosEx.getMessage());
+                FullHttpResponse response = http500(qosEx.getMessage());
                 ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
             }
         }
     }
 
-    private static final FullHttpResponse http_200(String result) {
+    private static final FullHttpResponse http200(String result) {
         FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK,
                 Unpooled.wrappedBuffer(result.getBytes()));
         HttpHeaders httpHeaders = response.headers();
@@ -87,15 +87,15 @@ private static final FullHttpResponse http_200(String result) {
         return response;
     }
 
-    private static final FullHttpResponse http_404() {
+    private static final FullHttpResponse http404() {
         FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND);
         HttpHeaders httpHeaders = response.headers();
         httpHeaders.set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
         httpHeaders.set(HttpHeaders.Names.CONTENT_LENGTH, response.content().readableBytes());
         return response;
     }
 
-    private static final FullHttpResponse http_500(String errorMessage) {
+    private static final FullHttpResponse http500(String errorMessage) {
         FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR
                 , Unpooled.wrappedBuffer(errorMessage.getBytes()));
         HttpHeaders httpHeaders = response.headers();

dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboProtocol.java

@@ -364,17 +364,17 @@ public <T> Invoker<T> refer(Class<T> serviceType, URL url) throws RpcException {
 
     private ExchangeClient[] getClients(URL url) {
         // whether to share connection
-        boolean service_share_connect = false;
+        boolean serviceShareConnect = false;
         int connections = url.getParameter(Constants.CONNECTIONS_KEY, 0);
         // if not configured, connection is shared, otherwise, one connection for one service
         if (connections == 0) {
-            service_share_connect = true;
+            serviceShareConnect = true;
             connections = 1;
         }
 
         ExchangeClient[] clients = new ExchangeClient[connections];
         for (int i = 0; i < clients.length; i++) {
-            if (service_share_connect) {
+            if (serviceShareConnect) {
                 clients[i] = getSharedClient(url);
             } else {
                 clients[i] = initClient(url);

dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/telnet/LogTelnetHandler.java

@@ -52,20 +52,20 @@ public String telnet(Channel channel, String message) {
             if (!StringUtils.isInteger(str[0])) {
                 LoggerFactory.setLevel(Level.valueOf(message.toUpperCase()));
             } else {
-                int SHOW_LOG_LENGTH = Integer.parseInt(str[0]);
+                int showLogLength = Integer.parseInt(str[0]);
 
                 if (file != null && file.exists()) {
                     try {
                         FileInputStream fis = new FileInputStream(file);
                         FileChannel filechannel = fis.getChannel();
                         size = filechannel.size();
                         ByteBuffer bb;
-                        if (size <= SHOW_LOG_LENGTH) {
+                        if (size <= showLogLength) {
                             bb = ByteBuffer.allocate((int) size);
                             filechannel.read(bb, 0);
                         } else {
-                            int pos = (int) (size - SHOW_LOG_LENGTH);
-                            bb = ByteBuffer.allocate(SHOW_LOG_LENGTH);
+                            int pos = (int) (size - showLogLength);
+                            bb = ByteBuffer.allocate(showLogLength);
                             filechannel.read(bb, pos);
                         }
                         bb.flip();