NamespaceContextImpl (java-xmlbuilder 1.3 API)

java.lang.Object
- com.jamesmurty.utils.NamespaceContextImpl

All Implemented Interfaces:

NamespaceContext
```
public class NamespaceContextImpl
extends Object
implements NamespaceContext
```
Mappings between prefix strings and namespace URI strings, as required to perform XPath queries on namespaced XML documents.

Author:

jmurty

Field Summary

Fields
Modifier and Type Field Description

protected Element element

protected Map<String,Set<String>> nsUriToPrefixesMap

protected Map<String,String> prefixToNsUriMap

Constructor Summary

Constructors
Constructor	Description
`NamespaceContextImpl()`	Create an empty namespace context.
`NamespaceContextImpl(Element element)`	Create a namespace context that will lookup namespace information in the given element.

Method Summary

Modifier and Type	Method	Description
`void`	`addNamespace(String prefix, String namespaceURI)`	Add a custom mapping from prefix to a namespace.
`String`	`getNamespaceURI(String prefix)`
`String`	`getPrefix(String namespaceURI)`
`Iterator`	`getPrefixes(String namespaceURI)`

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

- Field Detail
  - element
```
protected Element element
```
  - prefixToNsUriMap
```
protected Map<String,String> prefixToNsUriMap
```
  - nsUriToPrefixesMap
```
protected Map<String,Set<String>> nsUriToPrefixesMap
```
- Constructor Detail
  - NamespaceContextImpl
```
public NamespaceContextImpl()
```
    Create an empty namespace context.
  - NamespaceContextImpl
```
public NamespaceContextImpl(Element element)
```
    Create a namespace context that will lookup namespace information in the given element.
    
    Parameters:
    
    element - Element in which to look up namespace information.
- Method Detail
  - addNamespace
```
public void addNamespace(String prefix,
                         String namespaceURI)
```
    Add a custom mapping from prefix to a namespace. This mapping will override any mappings present in this class's XML Element (if provided).
    
    Parameters:
    
    prefix - the namespace's prefix. Use an empty string for the default prefix.
    
    namespaceURI - the namespace URI to map.
  - getNamespaceURI
```
public String getNamespaceURI(String prefix)
```
    Specified by:
    
    getNamespaceURI in interface NamespaceContext
  - getPrefix
```
public String getPrefix(String namespaceURI)
```
    Specified by:
    
    getPrefix in interface NamespaceContext
  - getPrefixes
```
public Iterator getPrefixes(String namespaceURI)
```
    Specified by:
    
    getPrefixes in interface NamespaceContext