Re: [json-lib-user] JSONObject.toBean() problem

[Andres A. <aal...@ya...>]

I'm sorry for the confusion, but the last email is not exactly true.=0AThe =
example describes the ability of JSON-lib to create DynaBeans inside a list=
=0Abecause it doesn't have any clues of what type of objetcs it must create=
; then=0Aproceeds to exemplify the use of the DynaBeanToBeanMorpher.=0A=0AI=
've tested the code you sent against release 0.9 and it works without a pro=
blem,=0Acan you tell me please which version are you using ? =0A =0A-------=
------------------------------------=0AIng. Andres Almiray Jaramillo=0Ahttp=
://jroller.com/page/aalmiray=0A--=0AWhat goes up, must come down. Ask any s=
ystem administrator.=0AThere are 10 types of people in the world: Those who=
 understand binary, and those who don't.=0ATo understand recursion, we must=
 first understand recursion.=0A=0A----- Original Message ----=0AFrom: Andre=
s Almiray <aal...@ya...>=0ATo: =EA=B9=80=EC=9D=91=EC=88=98 <kimos@rol=
izen.com>; jso...@li...=0ASent: Thursday, November 2=
3, 2006 10:52:58 AM=0ASubject: Re: [json-lib-user] JSONObject.toBean() prob=
lem=0A=0AYou are correct, the docs do not state that the toBean() method ne=
eds a =0Ahint of what type of objects are inside the collection, the correc=
t code is=0A=0AString json =3D "{'data':[{'name':'Wallace'},{'name':'Grommi=
t'}]}";=0AJSONObject obj =3D new JSONObject(json);=0AMap classMap =3D new H=
ashMap();=0AclassMap.put( "data", Person.class );=0AMyBean bean =3D (MyBean=
) JSONObject.toBean( obj, MyBean.class, classMap );=0A=0AThank you for spot=
ting this problem :)=0A =0A-------------------------------------------=0AIn=
g. Andres Almiray Jaramillo=0Ahttp://jroller.com/page/aalmiray=0A--=0AWhat =
goes up, must come down. Ask any system administrator.=0AThere are 10 types=
 of people in the world: Those who understand binary, and those who don't.=
=0ATo understand recursion, we must first understand recursion.=0A=0A----- =
Original Message ----=0AFrom: =EA=B9=80=EC=9D=91=EC=88=98 <ki...@ro...=
m>=0ATo: jso...@li...=0ASent: Thursday, November 23,=
 2006 5:23:56 AM=0ASubject: [json-lib-user] JSONObject.toBean() problem=0A=
=0AHi all.=0A=0AI've run the code in the 'Getting Started' document.=0A=0A-=
-----------------------------------------------------------=0Apublic static=
 class MyBean{=0Aprivate List data;=0A=0Apublic List getData() {=0Areturn d=
ata;=0A}=0A=0Apublic void setData(List data) {=0Athis.data =3D data;=0A}=0A=
}=0A=0Apublic static class Person{=0Aprivate String name;=0A=0Apublic Strin=
g getName() {=0Areturn=0A name;=0A}=0A=0Apublic void setName(String name) {=
=0Athis.name =3D name;=0A}=0A}=0A=0Apublic static void testTest() throws Ex=
ception=0A{=0AString json =3D "{'data':[{'name':'Wallace'},{'name':'Grommit=
'}]}";=0AJSONObject obj =3D new JSONObject(json);=0AMyBean bean =3D (MyBean=
)JSONObject.toBean( obj, MyBean.class );=0A}=0A----------------------------=
--------------------------------=0A=0AAnd following exception occured.=0A=
=0A------------------------------------------------------------=0AException=
 in thread "main" net.sf.json.JSONException:=0Ajava.lang.NoSuchMethodExcept=
ion: Unknown property 'name'=0Aat net.sf.json.JSONObject.toBean(JSONObject.=
java:439)=0Aat net.sf.json.JSONArray.toList(JSONArray.java:349)=0Aat net.sf=
.json.JSONObject.toBean(JSONObject.java:376)=0Aat net.sf.json.JSONObject.to=
Bean(JSONObject.java:325)=0Aat com.rolizen.test.jsonlib.JsonLibTest.testTes=
t(JsonLibTest.java:96)=0Aat=0A com.rolizen.test.jsonlib.JsonLibTest.main(Js=
onLibTest.java:21)=0ACaused by: java.lang.NoSuchMethodException: Unknown pr=
operty 'name'=0Aat=0Aorg.apache.commons.beanutils.PropertyUtilsBean.setSimp=
leProperty(PropertyUtilsBean.java:1741)=0Aat=0Aorg.apache.commons.beanutils=
.PropertyUtilsBean.setNestedProperty(PropertyUtilsBean.java:1648)=0Aat=0Aor=
g.apache.commons.beanutils.PropertyUtilsBean.setProperty(PropertyUtilsBean.=
java:1677)=0Aat=0Aorg.apache.commons.beanutils.PropertyUtils.setProperty(Pr=
opertyUtils.java:559)=0Aat net.sf.json.JSONObject.setProperty(JSONObject.ja=
va:484)=0Aat net.sf.json.JSONObject.toBean(JSONObject.java:408)=0A... 5 mor=
e=0A------------------------------------------------------------=0A=0AI thi=
nk that at the 376 line in the JSONObject.java, invoking=0AJSONArray.toList=
(...) method,=0Athe second parameter, 'beanClass' should not be passed.=0AI=
nstead, null should be passed, I think.=0AThe intended class of list item i=
s 'Person', but=0A 'beanClass' is 'MyBean',=0Aso PropertyUtils cannot find =
'name' property from 'beanClass'.=0A=0ADoesn't anyone have this problem?=0A=
=0ASorry for poor english. :(=0A=0A=0A-------------------------------------=
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