Copilot commented on code in PR #2866:
URL: https://github.com/apache/dubbo-go/pull/2866#discussion_r2083690691


##########
config_center/apollo/impl.go:
##########
@@ -0,0 +1,170 @@
+/*
+ * 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 apollo
+
+import (
+       "fmt"
+       "regexp"
+       "strings"
+       "sync"
+
+       "github.com/apolloconfig/agollo/v4"
+       "github.com/apolloconfig/agollo/v4/env/config"
+       gxset "github.com/dubbogo/gost/container/set"
+
+       "dubbo.apache.org/dubbo-go/v3/common"
+       "dubbo.apache.org/dubbo-go/v3/common/constant"
+       perrors "github.com/pkg/errors"
+
+       cc "dubbo.apache.org/dubbo-go/v3/config_center"
+       "dubbo.apache.org/dubbo-go/v3/config_center/parser"
+       "github.com/dubbogo/gost/log/logger"
+)
+
+const (
+       apolloProtocolPrefix = "http://";
+)
+
+type apolloConfiguration struct {
+       cc.BaseDynamicConfiguration
+       url *common.URL
+
+       listeners sync.Map
+       appConf   *config.AppConfig
+       parser    parser.ConfigurationParser
+       client    agollo.Client
+}
+
+func newApolloConfiguration(url *common.URL) (*apolloConfiguration, error) {
+       c := &apolloConfiguration{
+               url: url,
+       }
+       c.appConf = &config.AppConfig{
+               AppID:            url.GetParam(constant.ConfigAppIDKey, ""),
+               Cluster:          url.GetParam(constant.ConfigClusterKey, ""),
+               NamespaceName:    url.GetParam(constant.ConfigNamespaceKey, 
cc.DefaultGroup),
+               IP:               c.getAddressWithProtocolPrefix(url),
+               Secret:           url.GetParam(constant.ConfigSecretKey, ""),
+               IsBackupConfig:   
url.GetParamBool(constant.ConfigBackupConfigKey, true),
+               BackupConfigPath: 
url.GetParam(constant.ConfigBackupConfigPathKey, ""),
+       }
+       logger.Infof("[Apollo ConfigCenter] New Apollo ConfigCenter with 
Configuration: %+v, url = %+v", c.appConf, c.url)
+       client, err := agollo.StartWithConfig(func() (*config.AppConfig, error) 
{
+               return c.appConf, nil
+       })
+       if err != nil {
+               return nil, perrors.Wrap(err, "start apollo client failed")
+       }
+       c.client = client
+       return c, nil
+}
+
+func (c *apolloConfiguration) AddListener(key string, listener 
cc.ConfigurationListener, opts ...cc.Option) {
+       tmpOpts := cc.NewOptions(opts...)
+       key = tmpOpts.Center.Group + key
+       al := newApolloListener()
+       l, exist := c.listeners.LoadOrStore(key, al)
+       if !exist {
+               c.client.AddChangeListener(al)
+       }
+       l.(*apolloListener).AddListener(listener)
+}
+
+func (c *apolloConfiguration) RemoveListener(key string, listener 
cc.ConfigurationListener, opts ...cc.Option) {
+       tmpOpts := cc.NewOptions(opts...)
+       key = tmpOpts.Center.Group + key
+       l, ok := c.listeners.Load(key)
+       if ok {
+               l.(*apolloListener).RemoveListener(listener)
+       }
+}
+
+func (c *apolloConfiguration) GetInternalProperty(key string, opts 
...cc.Option) (string, error) {
+       if c.client == nil {
+               return "", perrors.New("apollo client is not initialized")
+       }
+       cache := c.client.GetConfigCache(c.appConf.NamespaceName)
+       if cache == nil {
+               return "", perrors.New(fmt.Sprintf("nothing in namespace:%s ", 
key))
+       }
+       value, err := cache.Get(key)
+       if err != nil {
+               return "", perrors.Wrap(err, "get config value failed")
+       }
+       return value.(string), nil
+}
+
+func (c *apolloConfiguration) GetRule(key string, opts ...cc.Option) (string, 
error) {
+       return c.GetInternalProperty(key, opts...)
+}
+
+// PublishConfig will publish the config with the (key, group, value) pair
+func (c *apolloConfiguration) PublishConfig(string, string, string) error {
+       return perrors.New("unsupport operation")
+}
+
+// GetConfigKeysByGroup will return all keys with the group
+func (c *apolloConfiguration) GetConfigKeysByGroup(group string) 
(*gxset.HashSet, error) {
+       return nil, perrors.New("unsupport operation")

Review Comment:
   The error message uses 'unsupport operation'; consider replacing 'unsupport' 
with 'unsupported'.
   ```suggestion
        return perrors.New("unsupported operation")
   }
   
   // GetConfigKeysByGroup will return all keys with the group
   func (c *apolloConfiguration) GetConfigKeysByGroup(group string) 
(*gxset.HashSet, error) {
        return nil, perrors.New("unsupported operation")
   ```



##########
config_center/apollo/impl.go:
##########
@@ -0,0 +1,170 @@
+/*
+ * 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 apollo
+
+import (
+       "fmt"
+       "regexp"
+       "strings"
+       "sync"
+
+       "github.com/apolloconfig/agollo/v4"
+       "github.com/apolloconfig/agollo/v4/env/config"
+       gxset "github.com/dubbogo/gost/container/set"
+
+       "dubbo.apache.org/dubbo-go/v3/common"
+       "dubbo.apache.org/dubbo-go/v3/common/constant"
+       perrors "github.com/pkg/errors"
+
+       cc "dubbo.apache.org/dubbo-go/v3/config_center"
+       "dubbo.apache.org/dubbo-go/v3/config_center/parser"
+       "github.com/dubbogo/gost/log/logger"
+)
+
+const (
+       apolloProtocolPrefix = "http://";
+)
+
+type apolloConfiguration struct {
+       cc.BaseDynamicConfiguration
+       url *common.URL
+
+       listeners sync.Map
+       appConf   *config.AppConfig
+       parser    parser.ConfigurationParser
+       client    agollo.Client
+}
+
+func newApolloConfiguration(url *common.URL) (*apolloConfiguration, error) {
+       c := &apolloConfiguration{
+               url: url,
+       }
+       c.appConf = &config.AppConfig{
+               AppID:            url.GetParam(constant.ConfigAppIDKey, ""),
+               Cluster:          url.GetParam(constant.ConfigClusterKey, ""),
+               NamespaceName:    url.GetParam(constant.ConfigNamespaceKey, 
cc.DefaultGroup),
+               IP:               c.getAddressWithProtocolPrefix(url),
+               Secret:           url.GetParam(constant.ConfigSecretKey, ""),
+               IsBackupConfig:   
url.GetParamBool(constant.ConfigBackupConfigKey, true),
+               BackupConfigPath: 
url.GetParam(constant.ConfigBackupConfigPathKey, ""),
+       }
+       logger.Infof("[Apollo ConfigCenter] New Apollo ConfigCenter with 
Configuration: %+v, url = %+v", c.appConf, c.url)
+       client, err := agollo.StartWithConfig(func() (*config.AppConfig, error) 
{
+               return c.appConf, nil
+       })
+       if err != nil {
+               return nil, perrors.Wrap(err, "start apollo client failed")
+       }
+       c.client = client
+       return c, nil
+}
+
+func (c *apolloConfiguration) AddListener(key string, listener 
cc.ConfigurationListener, opts ...cc.Option) {
+       tmpOpts := cc.NewOptions(opts...)
+       key = tmpOpts.Center.Group + key
+       al := newApolloListener()
+       l, exist := c.listeners.LoadOrStore(key, al)
+       if !exist {
+               c.client.AddChangeListener(al)
+       }
+       l.(*apolloListener).AddListener(listener)
+}
+
+func (c *apolloConfiguration) RemoveListener(key string, listener 
cc.ConfigurationListener, opts ...cc.Option) {
+       tmpOpts := cc.NewOptions(opts...)
+       key = tmpOpts.Center.Group + key
+       l, ok := c.listeners.Load(key)
+       if ok {
+               l.(*apolloListener).RemoveListener(listener)
+       }
+}
+
+func (c *apolloConfiguration) GetInternalProperty(key string, opts 
...cc.Option) (string, error) {
+       if c.client == nil {
+               return "", perrors.New("apollo client is not initialized")
+       }
+       cache := c.client.GetConfigCache(c.appConf.NamespaceName)
+       if cache == nil {
+               return "", perrors.New(fmt.Sprintf("nothing in namespace:%s ", 
key))
+       }
+       value, err := cache.Get(key)
+       if err != nil {
+               return "", perrors.Wrap(err, "get config value failed")
+       }
+       return value.(string), nil
+}
+
+func (c *apolloConfiguration) GetRule(key string, opts ...cc.Option) (string, 
error) {
+       return c.GetInternalProperty(key, opts...)
+}
+
+// PublishConfig will publish the config with the (key, group, value) pair
+func (c *apolloConfiguration) PublishConfig(string, string, string) error {
+       return perrors.New("unsupport operation")
+}
+
+// GetConfigKeysByGroup will return all keys with the group
+func (c *apolloConfiguration) GetConfigKeysByGroup(group string) 
(*gxset.HashSet, error) {
+       return nil, perrors.New("unsupport operation")

Review Comment:
   The error message uses 'unsupport operation'; consider replacing 'unsupport' 
with 'unsupported'.
   ```suggestion
        return perrors.New("unsupported operation")
   }
   
   // GetConfigKeysByGroup will return all keys with the group
   func (c *apolloConfiguration) GetConfigKeysByGroup(group string) 
(*gxset.HashSet, error) {
        return nil, perrors.New("unsupported operation")
   ```



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