forked from abneptis/GoJVM
/
object.c.go
195 lines (153 loc) · 6.23 KB
/
object.c.go
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package gojvm
//#cgo CFLAGS:-I../include/
//#cgo LDFLAGS:-ljvm -L/usr/lib/jvm/java-6-sun/jre/lib/amd64/server/
//#include "helpers.h"
import "C"
import (
"github.com/timob/gojvm/types"
// "log"
"unsafe"
)
type Object struct {
object C.jobject
}
func NewObjectStruct(o unsafe.Pointer) *Object {
return &Object{C.jobject(o)}
}
// returns a new object value with specified parameters
// NB: refs are NOT adjusted directly by this call! Use it as a casting/construction-helper,
// not a Clone()
func newObject(obj C.jobject) *Object {
return &Object{obj}
}
/*
Returns the Class() associated with the object
*/
func (self *Object) ObjectClass(env *Environment) (c *Class, err error) {
return env.GetObjectClass(self)
}
var ClassClass = types.Name{"java", "lang", "Class"}
/*
Returns the (potentially cached) name of the ObjectClass of the
named object.
*/
func (self *Object) Name(env *Environment) (name types.Name, err error) {
clsObj, err := self.CallObj(env, false, "getClass", types.Class{ClassClass})
if err != nil {
return
}
nameStr, _, err := clsObj.CallString(env, false, "getName")
if err != nil {
return
}
return types.NewName(nameStr), nil
/*
var c *Class
c, err = clsObj.ObjectClass(env)
if err == nil {
defer env.DeleteLocalClassRef(c)
name, err = c.GetName(env)
} else {
log.Printf("Couldn't get object class!")
}
return
*/
}
func (self *Object) CallVoid(env *Environment, static bool, mname string, params ...interface{}) (err error) {
return env.CallObjectVoid(self, static, mname, params...)
}
func (self *Object) CallInt(env *Environment, static bool, mname string, params ...interface{}) (i int, err error) {
return env.CallObjectInt(self, static, mname, params...)
}
func (self *Object) CallLong(env *Environment, static bool, mname string, params ...interface{}) (i int64, err error) {
return env.CallObjectLong(self, static, mname, params...)
}
func (self *Object) CallBool(env *Environment, static bool, mname string, params ...interface{}) (i bool, err error) {
return env.CallObjectBool(self, static, mname, params...)
}
func (self *Object) CallFloat(env *Environment, static bool, mname string, params ...interface{}) (i float32, err error) {
return env.CallObjectFloat(self, static, mname, params...)
}
func (self *Object) CallShort(env *Environment, static bool, mname string, params ...interface{}) (i int16, err error) {
return env.CallObjectShort(self, static, mname, params...)
}
func (self *Object) CallDouble(env *Environment, static bool, mname string, params ...interface{}) (i float64, err error) {
return env.CallObjectDouble(self, static, mname, params...)
}
func (self *Object) CallLongArray(env *Environment, static bool, mname string, params ...interface{}) (i []int64, err error) {
return env.CallObjectLongArray(self, static, mname, params...)
}
func (self *Object) CallIntArray(env *Environment, static bool, mname string, params ...interface{}) (i []int, err error) {
return env.CallObjectIntArray(self, static, mname, params...)
}
// Calls the named Object-method on the object instance
func (self *Object) CallObj(env *Environment, static bool, mname string, rval types.Typed, params ...interface{}) (vObj *Object, err error) {
return env.CallObjectObj(self, static, mname, rval, params...)
}
/*
A wrapper around ObjCallObj specific to java/lang/String, that will return the result as a GoString
A null string returned with no Exception can be differentiated via the wasNull return value.
*/
func (self *Object) CallString(env *Environment, static bool, mname string, params ...interface{}) (str string, wasNull bool, err error) {
return env.CallObjectString(self, static, mname, params...)
}
type CastObject struct {
*Object
types.Name
}
type ObjectArray struct {
Objects []*Object
types.Name
}
/*
func (self *AsJavaLangObject) Name(env *Environment) (name types.Name, err error) {
return types.Name{"java", "lang", "Object"}, nil
}
*/
//fields
func (self *Object) GetObjField(env *Environment, static bool, name string, rval types.Typed) (*Object, error) {
return env.GetObjectObjField(self, static, name, rval)
}
func (self *Object) GetBooleanField(env *Environment, static bool, name string) (bool, error) {
return env.GetObjectBooleanField(self, static, name)
}
func (self *Object) GetShortField(env *Environment, static bool, name string) (int16, error) {
return env.GetObjectShortField(self, static, name)
}
func (self *Object) GetIntField(env *Environment, static bool, name string) (int, error) {
return env.GetObjectIntField(self, static, name)
}
func (self *Object) GetLongField(env *Environment, static bool, name string) (int64, error) {
return env.GetObjectLongField(self, static, name)
}
func (self *Object) GetFloatField(env *Environment, static bool, name string) (float32, error) {
return env.GetObjectFloatField(self, static, name)
}
func (self *Object) GetDoubleField(env *Environment, static bool, name string) (float64, error) {
return env.GetObjectDoubleField(self, static, name)
}
func (self *Object) GetIntArrayField(env *Environment, static bool, name string) ([]int, error) {
return env.GetObjecIntArrayField(self, static, name)
}
// ----
func (self *Object) SetObjField(env *Environment, static bool, name string, rval types.Typed, val *Object) (err error) {
return env.setObjField(self, static, name, rval, val)
}
func (self *Object) SetBooleanField(env *Environment, static bool, name string, val bool) (err error) {
return env.setBoolField(self, static, name, val)
}
func (self *Object) SetShortField(env *Environment, static bool, name string, val int16) (err error) {
return env.setShortField(self, static, name, val)
}
func (self *Object) SetIntField(env *Environment, static bool, name string, val int) (err error) {
return env.setIntField(self, static, name, val)
}
func (self *Object) SetLongField(env *Environment, static bool, name string, val int64) (err error) {
return env.setLongField(self, static, name, val)
}
func (self *Object) SetFloatField(env *Environment, static bool, name string, val float32) (err error) {
return env.setFloatField(self, static, name, val)
}
func (self *Object) SetDoubleField(env *Environment, static bool, name string, val float64) (err error) {
return env.setDoubleField(self, static, name, val)
}