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## org.basex.query.xquery.util
Class NSIndex

    java.lang.Object
      org.basex.query.xquery.util.NSIndex

    public final class NSIndex

extends java.lang.Object

Global expression context.

Author:
  Workgroup DBIS, University of Konstanz 2005-07, ISC License, Christian Gruen

Constructor Summary
`NSIndex()`

Method Summary
`static NSIndex` | `get()` Gets the function instance.
`byte[]` | `prefix(URI uri)` Finds the specified URI prefix.
`boolean` | `standard(URI uri)` Checks if the specified uri is a default uri.
`URI` | `uri(byte[] pre)` Finds the specified namespace uri.

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

Constructor Detail

### NSIndex

    public NSIndex()

Method Detail

### get

    public static NSIndex get()

  Gets the function instance.

  Returns:
    instance

### prefix

    public byte[] prefix(URI uri)

  Finds the specified URI prefix.

  Parameters:
    `uri` - URI
  Returns:
    prefix

### standard

    public boolean standard(URI uri)

  Checks if the specified uri is a default uri.

  Parameters:
    `uri` - uri to be checked
  Returns:
    result of check

### uri

    public URI uri(byte[] pre)

  Finds the specified namespace uri.

  Parameters:
    `pre` - prefix of the namespace
  Returns:
    uri

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