Replace hard coded dubbo-config-api values and small code optimization

dubbo-common/src/main/java/org/apache/dubbo/common/Constants.java

@@ -231,6 +231,8 @@ public class Constants {
 
     public static final String DOBBO_PROTOCOL = DUBBO;
 
+    public static final String ZOOKEEPER_PROTOCOL = "zookeeper";
+
     public static final String PROXY_KEY = "proxy";
 
     public static final String WEIGHT_KEY = "weight";
@@ -324,6 +326,8 @@ public class Constants {
 
     public static final String EXCHANGER_KEY = "exchanger";
 
+    public static final String DISPACTHER_KEY = "dispacther";
+
     public static final String TRANSPORTER_KEY = "transporter";
 
     public static final String SERVER_KEY = "server";

dubbo-common/src/main/java/org/apache/dubbo/common/EnvironmentConstants.java

@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.dubbo.common;
+
+public final class EnvironmentConstants {
+    /**
+     * Application name;
+     */
+    public static final String NAME = "name";
+
+    /**
+     * Application owner name;
+     */
+    public static final String OWNER = "owner";
+
+    /**
+     * Running application organization name.
+     */
+    public static final String ORGANIZATION = "organization";
+
+    /**
+     * Application architecture name.
+     */
+    public static final String ARCHITECTURE = "architecture";
+
+    /**
+     * Environment name
+     */
+    public static final String ENVIRONMENT = "environment";
+
+    /**
+     * Test environment key.
+     */
+    public static final String TEST_ENVIRONMENT = "test";
+
+    /**
+     * Development environment key.
+     */
+    public static final String DEVELOPMENT_ENVIRONMENT = "develop";
+
+    /**
+     * Production environment key.
+     */
+    public static final String PRODUCTION_ENVIRONMENT = "product";
+
+}

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/AbstractServiceConfig.java

@@ -79,7 +79,7 @@ public String getVersion() {
     }
 
     public void setVersion(String version) {
-        checkKey("version", version);
+        checkKey(Constants.VERSION_KEY, version);
         this.version = version;
     }
 
@@ -88,7 +88,7 @@ public String getGroup() {
     }
 
     public void setGroup(String group) {
-        checkKey("group", group);
+        checkKey(Constants.GROUP_KEY, group);
         this.group = group;
     }
 
@@ -138,7 +138,7 @@ public void setToken(Boolean token) {
     }
 
     public void setToken(String token) {
-        checkName("token", token);
+        checkName(Constants.TOKEN_KEY, token);
         this.token = token;
     }
 

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/ApplicationConfig.java

@@ -17,6 +17,7 @@
 package org.apache.dubbo.config;
 
 import org.apache.dubbo.common.Constants;
+import org.apache.dubbo.common.EnvironmentConstants;
 import org.apache.dubbo.common.compiler.support.AdaptiveCompiler;
 import org.apache.dubbo.common.logger.LoggerFactory;
 import org.apache.dubbo.common.utils.StringUtils;
@@ -102,9 +103,9 @@ public String getName() {
     }
 
     public void setName(String name) {
-        checkName("name", name);
+        checkName(EnvironmentConstants.NAME, name);
         this.name = name;
-        if (id == null || id.length() == 0) {
+        if (StringUtils.isEmpty(id)) {
             id = name;
         }
     }
@@ -123,7 +124,7 @@ public String getOwner() {
     }
 
     public void setOwner(String owner) {
-        checkMultiName("owner", owner);
+        checkMultiName(EnvironmentConstants.OWNER, owner);
         this.owner = owner;
     }
 
@@ -132,7 +133,7 @@ public String getOrganization() {
     }
 
     public void setOrganization(String organization) {
-        checkName("organization", organization);
+        checkName(EnvironmentConstants.ORGANIZATION, organization);
         this.organization = organization;
     }
 
@@ -141,7 +142,7 @@ public String getArchitecture() {
     }
 
     public void setArchitecture(String architecture) {
-        checkName("architecture", architecture);
+        checkName(EnvironmentConstants.ARCHITECTURE, architecture);
         this.architecture = architecture;
     }
 
@@ -150,10 +151,18 @@ public String getEnvironment() {
     }
 
     public void setEnvironment(String environment) {
-        checkName("environment", environment);
+        checkName(EnvironmentConstants.ENVIRONMENT, environment);
         if (environment != null) {
-            if (!("develop".equals(environment) || "test".equals(environment) || "product".equals(environment))) {
-                throw new IllegalStateException("Unsupported environment: " + environment + ", only support develop/test/product, default is product.");
+            if (!(EnvironmentConstants.DEVELOPMENT_ENVIRONMENT.equals(environment)
+                    || EnvironmentConstants.TEST_ENVIRONMENT.equals(environment)
+                    || EnvironmentConstants.PRODUCTION_ENVIRONMENT.equals(environment))) {
+
+                throw new IllegalStateException(String.format("Unsupported environment: %s, only support %s/%s/%s, default is %s.",
+                         environment
+                        ,EnvironmentConstants.DEVELOPMENT_ENVIRONMENT
+                        ,EnvironmentConstants.TEST_ENVIRONMENT
+                        ,EnvironmentConstants.PRODUCTION_ENVIRONMENT
+                        ,EnvironmentConstants.PRODUCTION_ENVIRONMENT));
             }
         }
         this.environment = environment;
@@ -284,4 +293,5 @@ public void setShutwait(String shutwait) {
     public boolean isValid() {
         return !StringUtils.isEmpty(name);
     }
+
 }

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/ConfigCenterConfig.java

@@ -115,7 +115,7 @@ private URL toConfigUrl() {
         map.put(Constants.PATH_KEY, ConfigCenterConfig.class.getSimpleName());
         // use 'zookeeper' as the default configcenter.
         if (StringUtils.isEmpty(map.get(Constants.PROTOCOL_KEY))) {
-            map.put(Constants.PROTOCOL_KEY, "zookeeper");
+            map.put(Constants.PROTOCOL_KEY, Constants.ZOOKEEPER_PROTOCOL);
         }
         return UrlUtils.parseURL(address, map);
     }

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/MethodConfig.java

@@ -89,7 +89,7 @@ public String getName() {
     public void setName(String name) {
         checkMethodName("name", name);
         this.name = name;
-        if (id == null || id.length() == 0) {
+        if (StringUtils.isEmpty(id)) {
             id = name;
         }
     }

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/ModuleConfig.java

@@ -16,6 +16,7 @@
  */
 package org.apache.dubbo.config;
 
+import org.apache.dubbo.common.EnvironmentConstants;
 import org.apache.dubbo.config.support.Parameter;
 
 import java.util.ArrayList;
@@ -64,7 +65,7 @@ public String getName() {
     }
 
     public void setName(String name) {
-        checkName("name", name);
+        checkName(EnvironmentConstants.NAME, name);
         this.name = name;
         if (id == null || id.length() == 0) {
             id = name;
@@ -85,7 +86,7 @@ public String getOwner() {
     }
 
     public void setOwner(String owner) {
-        checkName("owner", owner);
+        checkName(EnvironmentConstants.OWNER, owner);
         this.owner = owner;
     }
 
@@ -94,7 +95,7 @@ public String getOrganization() {
     }
 
     public void setOrganization(String organization) {
-        checkName("organization", organization);
+        checkName(EnvironmentConstants.ORGANIZATION, organization);
         this.organization = organization;
     }
 

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/ProtocolConfig.java

@@ -16,6 +16,7 @@
  */
 package org.apache.dubbo.config;
 
+import org.apache.dubbo.common.Constants;
 import org.apache.dubbo.common.extension.ExtensionLoader;
 import org.apache.dubbo.common.serialize.Serialization;
 import org.apache.dubbo.common.status.StatusChecker;
@@ -154,7 +155,7 @@ public String getName() {
         return name;
     }
 
-    public void setName(String name) {
+    public final void setName(String name) {
         checkName("name", name);
         this.name = name;
         this.updateIdIfAbsent(name);
@@ -166,7 +167,7 @@ public String getHost() {
     }
 
     public void setHost(String host) {
-        checkName("host", host);
+        checkName(Constants.HOST_KEY, host);
         this.host = host;
     }
 
@@ -175,7 +176,7 @@ public Integer getPort() {
         return port;
     }
 
-    public void setPort(Integer port) {
+    public final void setPort(Integer port) {
         this.port = port;
     }
 
@@ -205,7 +206,7 @@ public String getThreadpool() {
     }
 
     public void setThreadpool(String threadpool) {
-        checkExtension(ThreadPool.class, "threadpool", threadpool);
+        checkExtension(ThreadPool.class, Constants.THREADPOOL_KEY, threadpool);
         this.threadpool = threadpool;
     }
 
@@ -254,8 +255,8 @@ public String getCodec() {
     }
 
     public void setCodec(String codec) {
-        if ("dubbo".equals(name)) {
-            checkMultiExtension(Codec.class, "codec", codec);
+        if (Constants.DOBBO_PROTOCOL.equals(name)) {
+            checkMultiExtension(Codec.class, Constants.CODEC_KEY, codec);
         }
         this.codec = codec;
     }
@@ -265,8 +266,8 @@ public String getSerialization() {
     }
 
     public void setSerialization(String serialization) {
-        if ("dubbo".equals(name)) {
-            checkMultiExtension(Serialization.class, "serialization", serialization);
+        if (Constants.DOBBO_PROTOCOL.equals(name)) {
+            checkMultiExtension(Serialization.class, Constants.SERIALIZATION_KEY, serialization);
         }
         this.serialization = serialization;
     }
@@ -308,8 +309,8 @@ public String getServer() {
     }
 
     public void setServer(String server) {
-        if ("dubbo".equals(name)) {
-            checkMultiExtension(Transporter.class, "server", server);
+        if (Constants.DOBBO_PROTOCOL.equals(name)) {
+            checkMultiExtension(Transporter.class, Constants.SERVER_KEY, server);
         }
         this.server = server;
     }
@@ -319,8 +320,8 @@ public String getClient() {
     }
 
     public void setClient(String client) {
-        if ("dubbo".equals(name)) {
-            checkMultiExtension(Transporter.class, "client", client);
+        if (Constants.DOBBO_PROTOCOL.equals(name)) {
+            checkMultiExtension(Transporter.class, Constants.CLIENT_KEY, client);
         }
         this.client = client;
     }
@@ -338,7 +339,7 @@ public String getTelnet() {
     }
 
     public void setTelnet(String telnet) {
-        checkMultiExtension(TelnetHandler.class, "telnet", telnet);
+        checkMultiExtension(TelnetHandler.class, Constants.TELNET, telnet);
         this.telnet = telnet;
     }
 
@@ -373,7 +374,7 @@ public String getTransporter() {
     }
 
     public void setTransporter(String transporter) {
-        checkExtension(Transporter.class, "transporter", transporter);
+        checkExtension(Transporter.class, Constants.TRANSPORTER_KEY, transporter);
         this.transporter = transporter;
     }
 
@@ -382,7 +383,7 @@ public String getExchanger() {
     }
 
     public void setExchanger(String exchanger) {
-        checkExtension(Exchanger.class, "exchanger", exchanger);
+        checkExtension(Exchanger.class, Constants.EXCHANGER_KEY, exchanger);
         this.exchanger = exchanger;
     }
 
@@ -412,7 +413,7 @@ public String getDispatcher() {
     }
 
     public void setDispatcher(String dispatcher) {
-        checkExtension(Dispatcher.class, "dispacther", dispatcher);
+        checkExtension(Dispatcher.class, Constants.DISPACTHER_KEY, dispatcher);
         this.dispatcher = dispatcher;
     }
 

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/ProviderConfig.java

@@ -169,7 +169,7 @@ public String getThreadpool() {
     }
 
     public void setThreadpool(String threadpool) {
-        checkExtension(ThreadPool.class, "threadpool", threadpool);
+        checkExtension(ThreadPool.class, Constants.THREADPOOL_KEY, threadpool);
         this.threadpool = threadpool;
     }
 
@@ -258,7 +258,7 @@ public String getTelnet() {
     }
 
     public void setTelnet(String telnet) {
-        checkMultiExtension(TelnetHandler.class, "telnet", telnet);
+        checkMultiExtension(TelnetHandler.class, Constants.TELNET, telnet);
         this.telnet = telnet;
     }
 
@@ -320,7 +320,7 @@ public String getTransporter() {
     }
 
     public void setTransporter(String transporter) {
-        checkExtension(Transporter.class, "transporter", transporter);
+        checkExtension(Transporter.class, Constants.TRANSPORTER_KEY, transporter);
         this.transporter = transporter;
     }
 
@@ -329,7 +329,7 @@ public String getExchanger() {
     }
 
     public void setExchanger(String exchanger) {
-        checkExtension(Exchanger.class, "exchanger", exchanger);
+        checkExtension(Exchanger.class, Constants.EXCHANGER_KEY, exchanger);
         this.exchanger = exchanger;
     }