XML transformation and dtd problem
Hello everybody!!
I am using Xalan's Transformer Factory to transform an xml to another xml ...
The thing is i am receiving an xml with a dtd definition in the doctype , but this dtd is not public, and it's local. i tried to ignore this definition but i didn't find out how. So i created a dtd for this xml , and it's ok, but now i get "[org.xml.sax.SAXParseException: Content is not allowed in prolog.]",
this is when the parser finds the declaration:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE foo SYSTEM "def.dtd">
why does this happen? any ideas ?
[def.dtd is accessible by the parser]
[663 byte] By [
Mackleina] at [2007-11-27 5:55:43]
i checked the file, even with hex editor, and there is nothing before <?xml, the thing is , the file comes from internet gzip encoded, so i use this for reading from internet and writing the file:
//urlocn is a HttpURLConnection
BufferedReader rd=new BufferedReader(new InputStreamReader(new GZIPInputStream(urlcon.getInputStream()),"UTF-8"));
//outsream is a FileOutputStream
BufferedWriter fw=new BufferedWriter(new OutputStreamWriter(outstream,"UTF-8"));
I still get the error, and when i open the file in a text editor it says the coding is ANSI.........
should i not use BufferedReader and go with bytes Streams?
When you're dealing with XML parsing it's always a good decision to use streams rather than readers. XML is designed for auto-detection of encodings. But that isn't likely to be your problem.
I don't understand how you could check the file with a hex editor when you don't even have a file. Is it possible the input stream starts with a byte-ordering mark or something like that?
> I don't understand how you could check the file with
> a hex editor when you don't even have a file.
I didn't put the whole code, this is what i do next:
String line;
while ((line = rd.readLine()) != null){
fw.write(line);
fw.newLine();
fw.flush();
}
i tried Streams:
GZIPInputStream gzst=new GZIPInputStream(urlcon.getInputStream());
int len;
byte[] buf = new byte[1024];
outstream =new FileOutputStream(new File("temp.xml"));
while ((len = gzst.read(buf)) > 0) {
outstream.write(buf, 0, len);
}
:( still getting :
javax.xml.bind.UnmarshalException
- with linked exception:
[org.xml.sax.SAXParseException: Content is not allowed in prolog.]
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.createUnmarshalException(Unknown Source)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.createUnmarshalException(Unmars
hallerImpl.java:481)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.jav
a:203)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java
:172)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(Unknown Source)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(Unknown Source)
