blob: 0663c4f3bca547e10cc4f9ee97e12272a2cc87f3 [file] [log] [blame]
/*
* 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 hessian
import (
"fmt"
"sync"
)
import (
"github.com/apache/dubbo-go-hessian2/java_exception"
)
var exceptionCheckMutex sync.Mutex
func checkAndGetException(cls *classInfo) (*structInfo, bool) {
if len(cls.fieldNameList) < 4 {
return nil, false
}
var (
throwable *structInfo
ok bool
)
var count = 0
for _, item := range cls.fieldNameList {
if item == "detailMessage" || item == "suppressedExceptions" || item == "stackTrace" || item == "cause" {
count++
}
}
// if have these 4 fields, it is throwable struct
if count == 4 {
exceptionCheckMutex.Lock()
defer exceptionCheckMutex.Unlock()
if throwable, ok = getStructInfo(cls.javaName); ok {
return throwable, true
}
RegisterPOJO(newBizException(cls.javaName))
if throwable, ok = getStructInfo(cls.javaName); ok {
return throwable, true
}
}
return throwable, count == 4
}
type UnknownException struct {
SerialVersionUID int64
DetailMessage string
SuppressedExceptions []java_exception.Throwabler
StackTrace []java_exception.StackTraceElement
Cause java_exception.Throwabler
name string
}
// NewThrowable is the constructor
func newBizException(name string) *UnknownException {
return &UnknownException{name: name, StackTrace: []java_exception.StackTraceElement{}}
}
// Error output error message
func (e UnknownException) Error() string {
return fmt.Sprintf("throw %v : %v", e.name, e.DetailMessage)
}
//JavaClassName java fully qualified path
func (e UnknownException) JavaClassName() string {
return e.name
}
// equals to getStackTrace in java
func (e UnknownException) GetStackTrace() []java_exception.StackTraceElement {
return e.StackTrace
}