Hi,
According to the API specification,
javax.xml.parse rs.DocumentBuil der.parse should return an
org.w3c.dom.Doc ument. However, when I use the following code:
DocumentBuilder Factory factory = DocumentBuilder Factory.newInst ance();
factory.setVali dating(false);
factory.setName spaceAware(fals e);
DocumentBuilder builder = factory.newDocu mentBuilder();
ByteArrayInputS tream xmlIs = new
ByteArrayInputS tream(polisLijs t.getBytes());
Object parseReturn = builder.parse(x mlIs);
System.out.prin tln("######## ["+parseReturn.g etClass().getNa me()+"]
######");
Document xmlDoc = (Document) parseReturn;
the println prints:
######## [org.apache.xerc es.dom.Deferred DocumentImpl] ######
and the final statement gives an exception:
[java.lang.Class CastException]
[org.apache.xerc es.dom.Deferred DocumentImpl]
stack-trace=[java.lang.Class CastException: ...
Why do I get an DeferredDocumen tImpl when I should get a Document? Am
I doing something wrong? Or else: how do I create a Document from this
mysterious DeferredDocumen tImpl?
Regards,
Edwin
3  15384 
org.w3c.dom.Doc ument is an interface. While I haven't checked out
DeferredDocumen tImpl, it most likely implements this interface.
My guess is that there is another class Document from a different package.
Try using the fully qualified class name:
org.w3c.dom.Doc ument xmlDoc = (org.w3c.dom.Do cument)parseRet urn;
On Tue, 24 Jun 2003 05:11:49 -0700, edwinek wrote: Hi,
According to the API specification,
javax.xml.parse rs.DocumentBuil der.parse should return an
org.w3c.dom.Doc ument. However, when I use the following code:
DocumentBuilder Factory factory = DocumentBuilder Factory.newInst ance();
factory.setVali dating(false);
factory.setName spaceAware(fals e);
DocumentBuilder builder = factory.newDocu mentBuilder();
ByteArrayInputS tream xmlIs = new
ByteArrayInputS tream(polisLijs t.getBytes()); Object parseReturn =
builder.parse(x mlIs); System.out.prin tln("########
["+parseReturn.g etClass().getNa me()+"] ######");
Document xmlDoc = (Document) parseReturn;
the println prints:
######## [org.apache.xerc es.dom.Deferred DocumentImpl] ######
and the final statement gives an exception:
[java.lang.Class CastException]
[org.apache.xerc es.dom.Deferred DocumentImpl]
stack-trace=[java.lang.Class CastException: ...
Why do I get an DeferredDocumen tImpl when I should get a Document? Am I
doing something wrong? Or else: how do I create a Document from this
mysterious DeferredDocumen tImpl?
Regards,
Edwin
--
Keep American Families united! Support H.R. 539 and H.R. 832
For more information, see http://www.kkeane.com/lobbyspousal-faq.shtml
No, that wasn't it. I tried, but get the same exception.
"Ingo Pakleppa" <in************ *@kkeane.com> wrote in message news:<pa******* *************** ******@kkeane.c om>... org.w3c.dom.Doc ument is an interface. While I haven't checked out
DeferredDocumen tImpl, it most likely implements this interface.
My guess is that there is another class Document from a different package.
Try using the fully qualified class name:
org.w3c.dom.Doc ument xmlDoc = (org.w3c.dom.Do cument)parseRet urn;
On Tue, 24 Jun 2003 05:11:49 -0700, edwinek wrote:
Hi,
According to the API specification,
javax.xml.parse rs.DocumentBuil der.parse should return an
org.w3c.dom.Doc ument. However, when I use the following code:
DocumentBuilder Factory factory = DocumentBuilder Factory.newInst ance();
factory.setVali dating(false);
factory.setName spaceAware(fals e);
DocumentBuilder builder = factory.newDocu mentBuilder();
ByteArrayInputS tream xmlIs = new
ByteArrayInputS tream(polisLijs t.getBytes()); Object parseReturn =
builder.parse(x mlIs); System.out.prin tln("########
["+parseReturn.g etClass().getNa me()+"] ######");
Document xmlDoc = (Document) parseReturn;
the println prints:
######## [org.apache.xerc es.dom.Deferred DocumentImpl] ######
and the final statement gives an exception:
[java.lang.Class CastException]
[org.apache.xerc es.dom.Deferred DocumentImpl]
stack-trace=[java.lang.Class CastException: ...
Why do I get an DeferredDocumen tImpl when I should get a Document? Am I
doing something wrong? Or else: how do I create a Document from this
mysterious DeferredDocumen tImpl?
Regards,
Edwin
That would be very strange indeed, because the compiler should have
complained about that when they developed the library. Can you use
reflection to get the prototype of parse from the builder class (use
builder.getClas s().getMethods( ) )? Can you use reflection to find out all
the base classes and interfaces from the DeferredDocumen tImpl class (hint:
use getClass().getI nterfaces()).
On Tue, 24 Jun 2003 22:59:07 -0700, edwinek wrote: Sadly the DeferredDocumen tImpl class doesn't implement the Document
interface. There is no way to cast it to Document. So why does a method
that according to the API should return a Document return something
entirely different?
"Ingo Pakleppa" <in************ *@kkeane.com> wrote in message
news:<pa******* *************** ******@kkeane.c om>... org.w3c.dom.Doc ument is an interface. While I haven't checked out
DeferredDocumen tImpl, it most likely implements this interface.
My guess is that there is another class Document from a different
package. Try using the fully qualified class name:
org.w3c.dom.Doc ument xmlDoc = (org.w3c.dom.Do cument)parseRet urn;
On Tue, 24 Jun 2003 05:11:49 -0700, edwinek wrote:
> Hi,
>
> According to the API specification,
> javax.xml.parse rs.DocumentBuil der.parse should return an
> org.w3c.dom.Doc ument. However, when I use the following code:
>
> DocumentBuilder Factory factory =
> DocumentBuilder Factory.newInst ance(); factory.setVali dating(false);
> factory.setName spaceAware(fals e);
> DocumentBuilder builder = factory.newDocu mentBuilder();
> ByteArrayInputS tream xmlIs = new
> ByteArrayInputS tream(polisLijs t.getBytes()); Object parseReturn =
> builder.parse(x mlIs); System.out.prin tln("########
> ["+parseReturn.g etClass().getNa me()+"] ######"); Document xmlDoc =
> (Document) parseReturn;
>
> the println prints:
>
> ######## [org.apache.xerc es.dom.Deferred DocumentImpl] ######
>
> and the final statement gives an exception:
>
> [java.lang.Class CastException]
> [org.apache.xerc es.dom.Deferred DocumentImpl]
> stack-trace=[java.lang.Class CastException: ...
>
> Why do I get an DeferredDocumen tImpl when I should get a Document? Am
> I doing something wrong? Or else: how do I create a Document from
> this mysterious DeferredDocumen tImpl?
>
> Regards,
> Edwin
--
Keep American Families united! Support H.R. 539 and H.R. 832
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