I see; and trust you have reported this bug :-)
Back to the document writer were you able to patch FilterComplexTypes
encode method?
Jody
On 16/08/2009, at 7:39 PM, Jianhui Jin wrote:
> Hi Jody
>
> When I use Encoder: (org.geotools.xml.Encoder) do:
> Encoder..encode(columnFilter,
> org.geotools.filter.v1_0.OGC.Filter, new BufferedOutputStream(new
> FileOutputStream("C:/users/jianhui jin/work/temp.xml"))) instead, got
> exception:
> java.lang.NullPointerException
> at
> org.geotools.xml.impl.SchemaIndexImpl.destroy(SchemaIndexImpl.java:96)
> at org.geotools.xml.Encoder.encode(Encoder.java:1007)
> at org.geotools.xml.Encoder.encode(Encoder.java:557)
>
> yours
>
> Jin
>
> On Sun, Aug 16, 2009 at 10:11 AM, Jody
> Garnett<[email protected]> wrote:
>> That sounds like a bug - you should step through the code and see
>> what
>> happens when it finds a boolean. This document writer thing is
>> focused on
>> the older specifications etc... we have a current schema driven xml
>> encoding technology that is easier to maintain. Please check out
>> http://docs.codehaus.org/display/GEOTDOC/05+GTXML+Parsing+and+Encoding
>> and
>> see if it handles boolean correctly for you?
>>
>> When you do have a patch please create a jira bug report and attach
>> the
>> patch w/ test case.
>>
>> As for DocumentWriter please reivew FilterComplexTypes line
>> 1408 ... the
>> encode method here looks to be responsible for encoding Literal
>> expressions.
>>
>> Jody
>>
>> On 15/08/2009, at 7:00 PM, Jianhui Jin wrote:
>>
>>> Hi All
>>>
>>> "FilterFactory ff =
>>> CommonFactoryFinder.getFilterFactory(GeoTools.getDefaultHints());
>>> ff.equals(ff.property("isHousehold"), ff.literal(true);"
>>>
>>> in the outputed xml file, there is no literal of true
>>>
>>> when i use ff.equals(ff.property("isHousehold"), ff.literal("true")
>>> instead, the literal appears.
>>>
>>> don't whether it is a bug in the filterfactory or in the encoder,
>>> probably the encoder, i am using
>>>
>>> " DocumentWriter.writeFragment(
>>> columnFilter,
>>>
>>>
>>> SchemaFactory
>>> .getInstance(org.geotools.filter.v1_0.OGC.Filter.getNamespaceURI()),
>>> printwriter,
>>>
>>> OGCSchema.getInstance().getImplementationHints());
>>> "
>>>
>>> in the last few emails, i reported another issue with
>>> documentwriter.
>>>
>>> Anyone help?
>>>
>>> need to use it urgently.
>>>
>>> Jin
>>>
>>>
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