Problem In creating PI node using XMLSerializer 2003-07-21 - By peter peter
Hi All,
I apolosize if this question has been asked before!
ProcessingInstruction node is not being created when I serialize the XML using
XMLSerializer. I want to insert the PI before root Element, I tried by
appending under the root element, it worked, but I want to create the PI node
before the root Element,
Also if i use Transformer instead of XMLSerializer , then PI is created before
root Element ( which is what I want). But I don't want to use Transformer !
Here is the code I am using -- >
DocumentBuilderFactory factory
= DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
DOMImplementation impl = builder.getDOMImplementation();
// Create the document
DocumentType svgDOCTYPE = impl.createDocumentType(
"svg", "-//W3C//DTD SVG 1.0//EN",
"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd"
);
Document doc = impl.createDocument(
"http://www.w3.org/2000/svg", "svg", svgDOCTYPE);
// Fill the document
Node rootElement = doc.getDocumentElement();
ProcessingInstruction xmlstylesheet
= doc.createProcessingInstruction("xml-stylesheet",
"type=\"text/css\" href=\"standard.css\"");
Comment comment = doc.createComment(
"An example from Chapter 10 of Processing XML with Java");
doc.insertBefore(comment, rootElement);
doc.insertBefore(xmlstylesheet, rootElement);
Node desc = doc.createElementNS(
"http://www.w3.org/2000/svg", "desc");
rootElement.appendChild(desc);
Text descText = doc.createTextNode(
"An example from Processing XML with Java");
desc.appendChild(descText);
try{
OutputFormat format = new OutputFormat( doc ); //Serialize DOM
format.setIndenting(true);
StringWriter stringOut = new StringWriter(); //Writer will be a
String
XMLSerializer serial = new XMLSerializer( stringOut, format );
serial.asDOMSerializer(); // As a DOM Serializer
serial.serialize( doc.getDocumentElement());
}
catch(Exception e)
{
e.printStackTrace();
}
But if I use Transformer for serialization , then ProcessingInstruction Node is
being created... using below code...
TransformerFactory xformFactory
= TransformerFactory.newInstance();
Transformer idTransform = xformFactory.newTransformer();
Source input = new DOMSource(doc);
Result output = new StreamResult(System.out);
idTransform.transform(input, output);
Thank you very much,
---------------------------------
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<P>Hi All,</P>
<P>I apolosize if this question has been asked before!</P>
<P>ProcessingInstruction node is not being created when I serialize the
XML using XMLSerializer. I want to insert the PI before root Element, I
tried by appending under the root element, it worked, but I want to create the
PI node before the root Element,</P>
<P>Also if i use Transformer instead of XMLSerializer , then PI is created
before root Element ( which is what I want). But I don't want to use
Transformer ! </P>
<P>Here is the code I am using -- ></P>
<P> DocumentBuilderFactory factory <BR>
= DocumentBuilderFactory.newInstance();<BR>
factory.setNamespaceAware(true);<BR>
DocumentBuilder builder = factory.newDocumentBuilder();<BR>
DOMImplementation impl = builder.getDOMImplementation()
;<BR> <BR> // Create
the document<BR> DocumentType svgDOCTYPE = impl
.createDocumentType(<BR> "svg", "-//W3C//DTD
SVG 1.0//EN", <BR> "<A href="http://www.w3
.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">http://www.w3.org/TR/2001/REC-SVG
-20010904/DTD/svg10.dtd</A>"<BR> );<BR>  
; Document doc = impl.createDocument(<BR>
"<A
href="http://www.w3.org/2000/svg">http://www.w3.org/2000/svg</A>", "svg",
svgDOCTYPE);<BR> <BR>
// Fill the document<BR> Node
rootElement = doc.getDocumentElement();<BR>
ProcessingInstruction xmlstylesheet <BR> =
doc.createProcessingInstruction("xml-stylesheet",<BR>
"type=\"text/css\" href=\"standard.css\"");<BR>
Comment comment = doc.createComment(<BR>
"An example from Chapter 10 of Processing XML with Java");<BR> 
; doc.insertBefore(comment, rootElement);<BR>  
; doc.insertBefore(xmlstylesheet, rootElement);<BR>  
; Node desc = doc.createElementNS(<BR>
"<A
href="http://www.w3.org/2000/svg">http://www.w3.org/2000/svg</A>", "desc");<BR
> rootElement.appendChild(desc);<BR>
Text descText = doc.createTextNode(<BR>
"An example from Processing XML with Java");<BR>
desc.appendChild(descText);<BR>
<BR> try{<BR>
OutputFormat format = new OutputFormat( doc ); //Serialize
DOM<BR>
format.setIndenting(true);<BR>
StringWriter stringOut = new StringWriter(); //Writer
will be a String<BR>  
; XMLSerializer serial = new XMLSerializer( stringOut, format
);<BR>
serial.asDOMSerializer(); // As a DOM Serializer<BR>
serial.serialize( doc
.getDocumentElement());<BR> }<BR> 
; catch(Exception e)<BR>
{<BR>
e.printStackTrace();<BR> }<BR>
</P>
<P>But if I use Transformer for serialization , then ProcessingInstruction Node
is being created... using below code...</P>
<P> TransformerFactory xformFactory <BR>
= TransformerFactory.newInstance(); <BR>
Transformer idTransform = xformFactory
.newTransformer();<BR> Source input = new
DOMSource(doc);<BR> Result output = new
StreamResult(System.out);<BR> idTransform
.transform(input, output); <BR></P>
<P> Thank you very much,</P>
<P> </P>
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