Xerces2 Implementation: Class XSNamedMapImpl

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## org.apache.xerces.impl.xs.util
Class XSNamedMapImpl

    java.lang.Object
      |
      +--java.util.AbstractMap
            |
            +--org.apache.xerces.impl.xs.util.XSNamedMapImpl

All Implemented Interfaces:
  java.util.Map, org.apache.xerces.xs.XSNamedMap

Direct Known Subclasses:
  XSNamedMap4Types

public class XSNamedMapImpl
extends java.util.AbstractMap
implements org.apache.xerces.xs.XSNamedMap

Contains the map between qnames and XSObject's.

# INTERNAL:

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

Version:
  $Id: XSNamedMapImpl.java 965315 2010-07-18 23:06:35Z mrglavas $
Author:
  Sandy Gao, IBM, Michael Glavassevich, IBM

Inner classes inherited from class java.util.Map
`java.util.Map.Entry`

Field Summary
`static XSNamedMapImpl` | `EMPTY_MAP` An immutable empty map.

Constructor Summary
`XSNamedMapImpl(java.lang.String[] namespaces, SymbolHash[] maps, int num)` Construct an XSNamedMap implementation for a list of namespaces
`XSNamedMapImpl(java.lang.String namespace, SymbolHash map)` Construct an XSNamedMap implementation for one namespace
`XSNamedMapImpl(org.apache.xerces.xs.XSObject[] array, int length)` Construct an XSNamedMap implementation one namespace from an array

Method Summary
`boolean` | `containsKey(java.lang.Object key)`
`java.util.Set` | `entrySet()`
`java.lang.Object` | `get(java.lang.Object key)`
`int` | `getLength()` The number of `XSObjects` in the `XSObjectList`.
`org.apache.xerces.xs.XSObject` | `item(int index)` Returns the `index`th item in the collection or `null` if `index` is greater than or equal to the number of objects in the list.
`org.apache.xerces.xs.XSObject` | `itemByName(java.lang.String namespace, java.lang.String localName)` Retrieves an `XSObject` specified by local name and namespace URI.
`int` | `size()`

Methods inherited from class java.util.AbstractMap
`clear, containsValue, equals, hashCode, isEmpty, keySet, put, putAll, remove, toString, values`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Methods inherited from interface java.util.Map
`clear, containsValue, equals, hashCode, isEmpty, keySet, put, putAll, remove, values`

Field Detail

### EMPTY_MAP

    public static final XSNamedMapImpl EMPTY_MAP

  An immutable empty map.

Constructor Detail

### XSNamedMapImpl

    public XSNamedMapImpl(java.lang.String namespace,
                          SymbolHash map)

  Construct an XSNamedMap implementation for one namespace
  Parameters:
    `namespace` - the namespace to which the components belong
    `map` - the map from local names to components

### XSNamedMapImpl

    public XSNamedMapImpl(java.lang.String[] namespaces,
                          SymbolHash[] maps,
                          int num)

  Construct an XSNamedMap implementation for a list of namespaces
  Parameters:
    `namespaces` - the namespaces to which the components belong
    `maps` - the maps from local names to components
    `num` - the number of namespaces

### XSNamedMapImpl

    public XSNamedMapImpl(org.apache.xerces.xs.XSObject[] array,
                          int length)

  Construct an XSNamedMap implementation one namespace from an array
  Parameters:
    `array` - containing all components
    `length` - number of components

Method Detail

### getLength

    public int getLength()

  The number of `XSObjects` in the `XSObjectList`. The range of valid child object indices is 0 to `length-1` inclusive.
  Specified by:
    `getLength` in interface `org.apache.xerces.xs.XSNamedMap`

### itemByName

    public org.apache.xerces.xs.XSObject itemByName(java.lang.String namespace,
                                                    java.lang.String localName)

  Retrieves an `XSObject` specified by local name and namespace URI.
  Per XML Namespaces, applications must use the value `null` as the `namespace` parameter for methods if they wish to specify no namespace.
  Specified by:
    `itemByName` in interface `org.apache.xerces.xs.XSNamedMap`
  Parameters:
    `namespace` - The namespace URI of the `XSObject` to retrieve, or `null` if the `XSObject` has no namespace.
    `localName` - The local name of the `XSObject` to retrieve.
  Returns:
    A `XSObject` (of any type) with the specified local name and namespace URI, or `null` if they do not identify any object in this map.

### item

    public org.apache.xerces.xs.XSObject item(int index)

  Returns the `index`th item in the collection or `null` if `index` is greater than or equal to the number of objects in the list. The index starts at 0.
  Specified by:
    `item` in interface `org.apache.xerces.xs.XSNamedMap`
  Parameters:
    `index` - index into the collection.
  Returns:
    The `XSObject` at the `index`th position in the `XSObjectList`, or `null` if the index specified is not valid.

### containsKey

    public boolean containsKey(java.lang.Object key)

  Specified by:
    `containsKey` in interface `java.util.Map`
  Overrides:
    `containsKey` in class `java.util.AbstractMap`

### get

    public java.lang.Object get(java.lang.Object key)

  Specified by:
    `get` in interface `java.util.Map`
  Overrides:
    `get` in class `java.util.AbstractMap`

### size

    public int size()

  Specified by:
    `size` in interface `java.util.Map`
  Overrides:
    `size` in class `java.util.AbstractMap`

### entrySet

    public java.util.Set entrySet()

  Specified by:
    `entrySet` in interface `java.util.Map`
  Overrides:
    `entrySet` in class `java.util.AbstractMap`

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