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Merge pull request #122 from pantianying/master
generic#invoke (go to java)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| /* | ||
| * 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 config | ||
|
|
||
| type GenericService struct { | ||
| Invoke func(req []interface{}) (interface{}, error) `dubbo:"$invoke"` | ||
| referenceStr string | ||
| } | ||
|
|
||
| func NewGenericService(referenceStr string) *GenericService { | ||
| return &GenericService{referenceStr: referenceStr} | ||
| } | ||
|
|
||
| func (u *GenericService) Reference() string { | ||
| return u.referenceStr | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| /* | ||
| * 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 impl | ||
|
|
||
| import ( | ||
| "reflect" | ||
| "strings" | ||
| ) | ||
| import ( | ||
| hessian "github.com/apache/dubbo-go-hessian2" | ||
| ) | ||
| import ( | ||
| "github.com/apache/dubbo-go/common/constant" | ||
| "github.com/apache/dubbo-go/common/extension" | ||
| "github.com/apache/dubbo-go/filter" | ||
| "github.com/apache/dubbo-go/protocol" | ||
| invocation2 "github.com/apache/dubbo-go/protocol/invocation" | ||
| ) | ||
|
|
||
| const ( | ||
| GENERIC = "generic" | ||
| ) | ||
|
|
||
| func init() { | ||
| extension.SetFilter(GENERIC, GetGenericFilter) | ||
| } | ||
|
|
||
| // when do a generic invoke, struct need to be map | ||
|
|
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| type GenericFilter struct{} | ||
|
|
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| func (ef *GenericFilter) Invoke(invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result { | ||
| if invocation.MethodName() == constant.GENERIC && len(invocation.Arguments()) == 3 { | ||
| oldArguments := invocation.Arguments() | ||
| var newParams []hessian.Object | ||
| if oldParams, ok := oldArguments[2].([]interface{}); ok { | ||
| for i := range oldParams { | ||
| newParams = append(newParams, hessian.Object(struct2MapAll(oldParams[i]))) | ||
| } | ||
| } else { | ||
| return invoker.Invoke(invocation) | ||
| } | ||
| newArguments := []interface{}{ | ||
| oldArguments[0], | ||
| oldArguments[1], | ||
| newParams, | ||
| } | ||
| newInvocation := invocation2.NewRPCInvocation(invocation.MethodName(), newArguments, invocation.Attachments()) | ||
| newInvocation.SetReply(invocation.Reply()) | ||
| return invoker.Invoke(newInvocation) | ||
| } | ||
| return invoker.Invoke(invocation) | ||
| } | ||
|
|
||
| func (ef *GenericFilter) OnResponse(result protocol.Result, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result { | ||
| return result | ||
| } | ||
|
|
||
| func GetGenericFilter() filter.Filter { | ||
| return &GenericFilter{} | ||
| } | ||
| func struct2MapAll(obj interface{}) interface{} { | ||
| if obj == nil { | ||
| return obj | ||
| } | ||
| t := reflect.TypeOf(obj) | ||
| v := reflect.ValueOf(obj) | ||
| if t.Kind() == reflect.Struct { | ||
| result := make(map[string]interface{}, t.NumField()) | ||
| for i := 0; i < t.NumField(); i++ { | ||
| if v.Field(i).Kind() == reflect.Struct { | ||
| if v.Field(i).CanInterface() { | ||
| setInMap(result, t.Field(i), struct2MapAll(v.Field(i).Interface())) | ||
| } | ||
| } else if v.Field(i).Kind() == reflect.Slice { | ||
| if v.Field(i).CanInterface() { | ||
| setInMap(result, t.Field(i), struct2MapAll(v.Field(i).Interface())) | ||
| } | ||
| } else { | ||
| if v.Field(i).CanInterface() { | ||
| setInMap(result, t.Field(i), v.Field(i).Interface()) | ||
| } | ||
| } | ||
| } | ||
| return result | ||
| } else if t.Kind() == reflect.Slice { | ||
| value := reflect.ValueOf(obj) | ||
| var newTemps = make([]interface{}, 0, value.Len()) | ||
| for i := 0; i < value.Len(); i++ { | ||
| newTemp := struct2MapAll(value.Index(i).Interface()) | ||
| newTemps = append(newTemps, newTemp) | ||
| } | ||
| return newTemps | ||
| } else { | ||
| return obj | ||
| } | ||
| } | ||
| func setInMap(m map[string]interface{}, structField reflect.StructField, value interface{}) (result map[string]interface{}) { | ||
| result = m | ||
| if tagName := structField.Tag.Get("m"); tagName == "" { | ||
| result[headerAtoa(structField.Name)] = value | ||
| } else { | ||
| result[tagName] = value | ||
| } | ||
| return | ||
| } | ||
| func headerAtoa(a string) (b string) { | ||
| b = strings.ToLower(a[:1]) + a[1:] | ||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| * 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 impl | ||
|
|
||
| import ( | ||
| "reflect" | ||
| "testing" | ||
| ) | ||
| import ( | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func Test_struct2MapAll(t *testing.T) { | ||
| var testData struct { | ||
| AaAa string `m:"aaAa"` | ||
| BaBa string | ||
| CaCa struct { | ||
| AaAa string | ||
| BaBa string `m:"baBa"` | ||
| XxYy struct { | ||
| xxXx string `m:"xxXx"` | ||
| Xx string `m:"xx"` | ||
| } `m:"xxYy"` | ||
| } `m:"caCa"` | ||
| } | ||
| testData.AaAa = "1" | ||
| testData.BaBa = "1" | ||
| testData.CaCa.BaBa = "2" | ||
| testData.CaCa.AaAa = "2" | ||
| testData.CaCa.XxYy.xxXx = "3" | ||
| testData.CaCa.XxYy.Xx = "3" | ||
| m := struct2MapAll(testData).(map[string]interface{}) | ||
| assert.Equal(t, "1", m["aaAa"].(string)) | ||
| assert.Equal(t, "1", m["baBa"].(string)) | ||
| assert.Equal(t, "2", m["caCa"].(map[string]interface{})["aaAa"].(string)) | ||
| assert.Equal(t, "3", m["caCa"].(map[string]interface{})["xxYy"].(map[string]interface{})["xx"].(string)) | ||
|
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| assert.Equal(t, reflect.Map, reflect.TypeOf(m["caCa"]).Kind()) | ||
| assert.Equal(t, reflect.Map, reflect.TypeOf(m["caCa"].(map[string]interface{})["xxYy"]).Kind()) | ||
| } | ||
|
|
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| type testStruct struct { | ||
| AaAa string | ||
| BaBa string `m:"baBa"` | ||
| XxYy struct { | ||
| xxXx string `m:"xxXx"` | ||
| Xx string `m:"xx"` | ||
| } `m:"xxYy"` | ||
| } | ||
|
|
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| func Test_struct2MapAll_Slice(t *testing.T) { | ||
| var testData struct { | ||
| AaAa string `m:"aaAa"` | ||
| BaBa string | ||
| CaCa []testStruct `m:"caCa"` | ||
| } | ||
| testData.AaAa = "1" | ||
| testData.BaBa = "1" | ||
| var tmp testStruct | ||
| tmp.BaBa = "2" | ||
| tmp.AaAa = "2" | ||
| tmp.XxYy.xxXx = "3" | ||
| tmp.XxYy.Xx = "3" | ||
| testData.CaCa = append(testData.CaCa, tmp) | ||
| m := struct2MapAll(testData).(map[string]interface{}) | ||
|
|
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| assert.Equal(t, "1", m["aaAa"].(string)) | ||
| assert.Equal(t, "1", m["baBa"].(string)) | ||
| assert.Equal(t, "2", m["caCa"].([]interface{})[0].(map[string]interface{})["aaAa"].(string)) | ||
| assert.Equal(t, "3", m["caCa"].([]interface{})[0].(map[string]interface{})["xxYy"].(map[string]interface{})["xx"].(string)) | ||
|
|
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| assert.Equal(t, reflect.Slice, reflect.TypeOf(m["caCa"]).Kind()) | ||
| assert.Equal(t, reflect.Map, reflect.TypeOf(m["caCa"].([]interface{})[0].(map[string]interface{})["xxYy"]).Kind()) | ||
| } |