No. writeTo() is not even not even invoked.
Thanks!
Arul
Paul Sandoz wrote:
> Is the CDATAProvider.writeTo getting invoked?
>
> Paul.
>
> Arul Dhesiaseelan wrote:
>> Paul,
>>
>> Thanks for your help.
>>
>> I tried this approach, but I am not seeing the SOP made it to my
>> console. I suspect whether my custom stream writer is used at the
>> first place. Is there a way to tell Jersey/Java to use my custom
>> writer instead of the default writer?
>>
>> I see this in the console, which tells that at least my message body
>> writer was loaded properly.
>>
>> INFO: Provider classes found:
>> class impl.rest.jaxb.CDATAProvider
>>
>> Here is my MBW writer which uses the custom stream writer.
>>
>> @ProduceMime("application/xml")
>> @Provider
>> public class CDATAProvider implements MessageBodyWriter<CellType> {
>>
>> public void writeTo(CellType cellType,
>> Class<?> type, Type genericType, Annotation annotations[],
>> MediaType mediaType, MultivaluedMap<String, Object> headers,
>> OutputStream out) throws IOException {
>> try {
>> JAXBContext jc = JAXBContext.newInstance(CellType.class);
>> Marshaller marshaller = jc.createMarshaller();
>> XMLStreamWriter swImpl =
>> XMLOutputFactory.newInstance().createXMLStreamWriter(out);
>> XMLStreamWriter sw = new MyStreamWriter(swImpl);
>> marshaller.marshal(cellType, sw);
>> } catch (XMLStreamException xse) {
>> System.out.println(xse.getMessage());
>> } catch (JAXBException je) {
>> System.out.println(je.getMessage());
>> }
>> }
>>
>> public boolean isWriteable(Class<?> type, Type genericType,
>> Annotation annotations[]) {
>> return CellType.class.isAssignableFrom(type);
>> }
>>
>> public long getSize(CellType cellType) {
>> return -1;
>> }
>> }
>>
>>
>> Best regards,
>> Arul
>>
>> Paul Sandoz wrote:
>>> As i understand it your use-case is you want to embed some generic
>>> HTML content in some XML.
>>>
>>> Can you try the following code instead:
>>>
>>> private Rows processRowsResponse() {
>>> List<RowType> rows = new ArrayList<RowType>();
>>> RowType row = new RowType();
>>> CellType cell = new CellType();
>>> final String cdata = new StringBuilder().append("<div
>>> class=\"progressOuterRow\"><div class=\"progressInnerRow\"
>>> style=\"width: ").append(result.toString()).append("px;\"></div><div
>>> class=\"progressText\">").append(used).append("/").append(total).append("
>>> MB</div></div>").toString();
>>> cell.setValue(cdata);
>>> row.getCell().add(cell);
>>> rows.add(row);
>>> return rows;
>>> }
>>>
>>> public class MyStreamWriter implements XMLStreamWriter {
>>> private XMLStreamWriter mImpl;
>>>
>>> public MyStreamWriter(XMLStreamWriter xmlStreamWriter) throws
>>> XMLStreamException {
>>> this.mImpl = xmlStreamWriter;
>>> }
>>>
>>> public void writeCharacters(String s) throws XMLStreamException {
>>> System.out.println("writeCharacters: " + s);
>>> mImpl.writeCData(s);
>>> }
>>>
>>> //removed other methods
>>> }
>>>
>>>
>>> and check the output to see if the "writeCharacters: " string is
>>> being printed and check if the content is escaped or not before the
>>> delegated call.
>>>
>>> Paul.
>>>
>>> Arul Dhesiaseelan wrote:
>>>> Tatu,
>>>>
>>>> I have the CDATA set in my resource class.
>>>>
>>>> @GET
>>>> @Path("/list")
>>>> @ProduceMime({"application/xml"})
>>>> public Response getRows() {
>>>> final Rows rows;
>>>> rows = processRowsResponse();
>>>> return Response.ok(rows).build();
>>>> }
>>>>
>>>> private Rows processRowsResponse() {
>>>> List<RowType> rows = new ArrayList<RowType>();
>>>> RowType row = new RowType();
>>>> CellType cell = new CellType();
>>>> final String cdata = new
>>>> StringBuilder().append("<![CDATA[<div
>>>> class=\"progressOuterRow\"><div class=\"progressInnerRow\"
>>>> style=\"width:
>>>> ").append(result.toString()).append("px;\"></div><div
>>>> class=\"progressText\">").append(used).append("/").append(total).append("
>>>> MB</div></div>]]>").toString();
>>>> cell.setValue(cdata);
>>>> row.getCell().add(cell);
>>>> rows.add(row);
>>>> return rows;
>>>> }
>>>>
>>>> I assume this CDATA will be sent as a string to the
>>>> XMLStreamWriter.writeCharacters() when the
>>>> MessageBodyWriter<CellType> is invoked.
>>>>
>>>> May be I missing something here?
>>>>
>>>> Thanks!
>>>> Arul
>>>>
>>>> Tatu Saloranta wrote:
>>>>> Code below looks correct, but where does that "CDATA"
>>>>> come into String? Is it just added for testing?
>>>>>
>>>>> What seems to be happening is that for some reason
>>>>> content you are getting is already xml-escaped (or is
>>>>> fed to another xml stream writer); like OutputStream
>>>>> or Writer passing its content back to xml writer.
>>>>>
>>>>> -+ Tatu +-
>>>>>
>>>>> --- Arul Dhesiaseelan <arul_at_fluxcorp.com> wrote:
>>>>>
>>>>>
>>>>>> Paul,
>>>>>>
>>>>>> Here is my custom Stream writer. I just delegate
>>>>>> writeCData to XMLStreamWriter. I will try with a standalone test.
>>>>>>
>>>>>> public class MyStreamWriter implements
>>>>>> XMLStreamWriter {
>>>>>> private XMLStreamWriter mImpl;
>>>>>>
>>>>>> public MyStreamWriter(XMLStreamWriter
>>>>>> xmlStreamWriter) throws XMLStreamException {
>>>>>> this.mImpl = xmlStreamWriter;
>>>>>> }
>>>>>>
>>>>>> public void writeCData(String s) throws
>>>>>> XMLStreamException {
>>>>>> mImpl.writeCData(s);
>>>>>> }
>>>>>>
>>>>>> public void writeCharacters(String s) throws
>>>>>> XMLStreamException {
>>>>>> if (shouldUseCData(s)) {
>>>>>> System.out.println("Using CDATA");
>>>>>> mImpl.writeCData(s);
>>>>>> } else {
>>>>>> mImpl.writeCharacters(s);
>>>>>> }
>>>>>> }
>>>>>>
>>>>>> private boolean shouldUseCData(String s) {
>>>>>> if (s.contains("CDATA")) {
>>>>>> return true;
>>>>>> } else return false;
>>>>>> }
>>>>>> //removed other methods
>>>>>> }
>>>>>>
>>>>>> Am I missing something here?
>>>>>>
>>>>>> Thanks!
>>>>>> Arul
>>>>>>
>>>>>>
>>
>>
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>