org.apache.xerces.impl.xs

## Class SchemaNamespaceSupport

- java.lang.Object
- - org.apache.xerces.util.NamespaceSupport
  - - org.apache.xerces.impl.xs.SchemaNamespaceSupport

- All Implemented Interfaces:
    org.apache.xerces.xni.NamespaceContext

      public class SchemaNamespaceSupport
      extends NamespaceSupport

  This class customizes the behaviour of the util.NamespaceSupport class in order to easily implement some features that we need for efficient schema handling. It will not be generally useful.
  Version:
    $Id: SchemaNamespaceSupport.java 446734 2006-09-15 20:51:23Z mrglavas $
  Author:
    Neil Graham, IBM

  # INTERNAL:

    Usage of this class is not supported. It may be altered or removed at any time.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.xerces.util.NamespaceSupport

      `NamespaceSupport.Prefixes`

  - ### Field Summary

    - ### Fields inherited from class org.apache.xerces.util.NamespaceSupport

      `fContext, fCurrentContext, fNamespace, fNamespaceSize, fPrefixes`

    - ### Fields inherited from interface org.apache.xerces.xni.NamespaceContext

      `XML_URI, XMLNS_URI`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `SchemaNamespaceSupport(org.w3c.dom.Element schemaRoot, SymbolTable symbolTable)`
    `SchemaNamespaceSupport(SchemaNamespaceSupport nSupport)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.String[]` | `getEffectiveLocalContext()` This method returns an array of Strings, as would be stored in a NamespaceSupport object.
    `java.lang.String` | `getURI(java.lang.String prefix)` Look up a prefix and get the currently-mapped Namespace URI.
    `void` | `makeGlobal()`
    `void` | `setEffectiveContext(java.lang.String[] namespaceDecls)` This method takes a set of Strings, as stored in a NamespaceSupport object, and "fools" the object into thinking that this is one unified context.

    - ### Methods inherited from class org.apache.xerces.util.NamespaceSupport

      `containsPrefix, declarePrefix, getAllPrefixes, getDeclaredPrefixAt, getDeclaredPrefixCount, getPrefix, popContext, pushContext, reset`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### SchemaNamespaceSupport

          public SchemaNamespaceSupport(org.w3c.dom.Element schemaRoot,
                                SymbolTable symbolTable)

    - #### SchemaNamespaceSupport

          public SchemaNamespaceSupport(SchemaNamespaceSupport nSupport)

  - ### Method Detail

    - #### setEffectiveContext

          public void setEffectiveContext(java.lang.String[] namespaceDecls)

      This method takes a set of Strings, as stored in a NamespaceSupport object, and "fools" the object into thinking that this is one unified context. This is meant to be used in conjunction with things like local elements, whose declarations may be deeply nested but which for all practical purposes may be regarded as being one level below the global element--at least with regard to namespace declarations. It's worth noting that the context from which the strings are being imported had better be using the same SymbolTable.

    - #### getEffectiveLocalContext

          public java.lang.String[] getEffectiveLocalContext()

      This method returns an array of Strings, as would be stored in a NamespaceSupport object. This array contains all declarations except those at the global level.

    - #### makeGlobal

          public void makeGlobal()

    - #### getURI

          public java.lang.String getURI(java.lang.String prefix)

      Description copied from interface: `org.apache.xerces.xni.NamespaceContext`
      Look up a prefix and get the currently-mapped Namespace URI.

      This method looks up the prefix in the current context. If no mapping is found, this methods will continue lookup in the parent context(s). Use the empty string ("") for the default Namespace.

      Specified by:
        `getURI` in interface `org.apache.xerces.xni.NamespaceContext`
      Overrides:
        `getURI` in class `NamespaceSupport`
      Parameters:
        `prefix` - The prefix to look up.
      Returns:
        The associated Namespace URI, or null if the prefix is undeclared in this context.
      See Also:
        `NamespaceContext.getURI(String)`

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