NamespaceEmitter

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java.lang.Object
- com.icl.saxon.output.Emitter
- - com.icl.saxon.output.ProxyEmitter
  - - com.icl.saxon.output.NamespaceEmitter

```
public class NamespaceEmitter
extends ProxyEmitter
```
NamespaceEmitter is a ProxyEmitter responsible for removing duplicate namespace declarations. It also ensures that an xmlns="" undeclaration is output when necessary.

Field Summary

Fields
Modifier and Type Field Description

protected NamePool namePool

protected int nscodeNull

protected int nscodeXML
- Fields inherited from class com.icl.saxon.output.Emitter
  locator, outputStream, systemId, writer
- Fields inherited from class com.icl.saxon.output.ProxyEmitter
  baseEmitter, outputProperties
- Fields inherited from interface javax.xml.transform.Result
  PI_DISABLE_OUTPUT_ESCAPING, PI_ENABLE_OUTPUT_ESCAPING

Constructor Summary

Constructors
Constructor Description

NamespaceEmitter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`endElement(int nameCode)`	endElement: Discard the namespaces declared on this element.
`void`	`setNamePool(NamePool pool)`	Set the name pool to be used for all name codes
`void`	`startElement(int nameCode, org.xml.sax.Attributes attList, int[] namespaceCodes, int nrOfCodes)`	startElement.

Methods inherited from class com.icl.saxon.output.Emitter
getNamePool, getOutputProperties, getOutputStream, getSystemId, getWriter, makeEmitter, setOutputStream, setSystemId, usesWriter

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from class com.icl.saxon.output.ProxyEmitter
characters, comment, endDocument, processingInstruction, setDocumentLocator, setEscaping, setOutputProperties, setUnderlyingEmitter, setUnparsedEntity, setWriter, startDocument

- Field Detail
  - namePool
```
protected NamePool namePool
```
  - nscodeXML
```
protected int nscodeXML
```
  - nscodeNull
```
protected int nscodeNull
```
- Constructor Detail
  - NamespaceEmitter
```
public NamespaceEmitter()
```
- Method Detail
  - setNamePool
```
public void setNamePool(NamePool pool)
```
    Set the name pool to be used for all name codes
    
    Overrides:
    
    setNamePool in class ProxyEmitter
  - startElement
```
public void startElement(int nameCode,
                         org.xml.sax.Attributes attList,
                         int[] namespaceCodes,
                         int nrOfCodes)
                  throws javax.xml.transform.TransformerException
```
    startElement. This call removes redundant namespace declarations, and possibly adds an xmlns="" undeclaration.
    
    Overrides:
    
    startElement in class ProxyEmitter
    
    namespaceCodes - Array of namespace codes identifying the namespace prefix/uri pairs associated with this element
    
    nrOfCodes - Number of significant entries within namespaces array
    
    Throws:
    
    javax.xml.transform.TransformerException
  - endElement
```
public void endElement(int nameCode)
                throws javax.xml.transform.TransformerException
```
    endElement: Discard the namespaces declared on this element.
    
    Overrides:
    
    endElement in class ProxyEmitter
    
    Throws:
    
    javax.xml.transform.TransformerException

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