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## org.modeshape.graph.property.basic
Class SimpleNamespaceRegistry

    java.lang.Object
      org.modeshape.graph.property.basic.SimpleNamespaceRegistry

All Implemented Interfaces:
  NamespaceRegistry

Direct Known Subclasses:
  LocalNamespaceRegistry

    @NotThreadSafe
    public class SimpleNamespaceRegistry

extends Object
implements NamespaceRegistry

A simple `NamespaceRegistry` implementation that is not thread-safe, but that provides all the basic functionality.

Nested Class Summary

Nested classes/interfaces inherited from interface org.modeshape.graph.property.NamespaceRegistry
`NamespaceRegistry.Namespace`

Field Summary
`static String` | `DEFAULT_NAMESPACE_URI`
`static String` | `DEFAULT_PREFIX_NUMBER_FORMAT`
`static String` | `DEFAULT_PREFIX_TEMPLATE`

Constructor Summary
`SimpleNamespaceRegistry()`
`SimpleNamespaceRegistry(String defaultNamespaceUri)`

Method Summary
`protected String` | `generatePrefix()`
`String` | `getDefaultNamespaceUri()` Return the namespace URI that is currently mapped to the empty prefix, or null if there is no current default namespace.
`String` | `getGeneratedPrefixTemplate()`
`String` | `getNamespaceForPrefix(String prefix)` Get the namespace URI for the supplied prefix.
`Set<NamespaceRegistry.Namespace>` | `getNamespaces()` Obtain a snapshot of all of the `namespaces` registered at the time this method is called.
`String` | `getPrefixForNamespaceUri(String namespaceUri, boolean generateIfMissing)` Return the prefix used for the supplied namespace URI.
`Set<String>` | `getRegisteredNamespaceUris()` Obtain the set of namespaces that are registered.
`boolean` | `isRegisteredNamespaceUri(String namespaceUri)` Return whether there is a registered prefix for the supplied namespace URI.
`void` | `register(Iterable<NamespaceRegistry.Namespace> namespaces)`
`String` | `register(String prefix, String namespaceUri)` Register a new namespace using the supplied prefix, returning the namespace URI previously registered under that prefix.
`void` | `setGeneratedPrefixTemplate(String prefixTemplate)`
`String` | `toString()`
`boolean` | `unregister(String namespaceUri)` Unregister the namespace with the supplied URI.

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

Field Detail

### DEFAULT_NAMESPACE_URI

    public static final String DEFAULT_NAMESPACE_URI

See Also:
  Constant Field Values

### DEFAULT_PREFIX_TEMPLATE

    public static final String DEFAULT_PREFIX_TEMPLATE

See Also:
  Constant Field Values

### DEFAULT_PREFIX_NUMBER_FORMAT

    public static final String DEFAULT_PREFIX_NUMBER_FORMAT

See Also:
  Constant Field Values

Constructor Detail

### SimpleNamespaceRegistry

    public SimpleNamespaceRegistry()

### SimpleNamespaceRegistry

    public SimpleNamespaceRegistry(String defaultNamespaceUri)

Parameters:
  `defaultNamespaceUri` - the namespace URI to use for the default prefix

Method Detail

### getGeneratedPrefixTemplate

    public String getGeneratedPrefixTemplate()

  Returns:
    prefixTemplate

### setGeneratedPrefixTemplate

    public void setGeneratedPrefixTemplate(String prefixTemplate)

  Parameters:
    `prefixTemplate` - Sets prefixTemplate to the specified value.

### getNamespaceForPrefix

    public String getNamespaceForPrefix(String prefix)

  Get the namespace URI for the supplied prefix.

  Specified by:
    `getNamespaceForPrefix` in interface `NamespaceRegistry`
  Parameters:
    `prefix` - the namespace prefix
  Returns:
    the namespace URI for the supplied prefix, or null if there is no namespace currently registered to use that prefix

### getPrefixForNamespaceUri

    public String getPrefixForNamespaceUri(String namespaceUri,
                                           boolean generateIfMissing)

  Return the prefix used for the supplied namespace URI.

  Specified by:
    `getPrefixForNamespaceUri` in interface `NamespaceRegistry`
  Parameters:
    `namespaceUri` - the namespace URI
    `generateIfMissing` - true if the namespace URI has not already been registered and the method should auto-register the namespace with a generated prefix, or false if the method should never auto-register the namespace
  Returns:
    the prefix currently being used for the namespace, or `null` if the namespace has not been registered and `generateIfMissing` is `false`
  See Also:
    `NamespaceRegistry.isRegisteredNamespaceUri(String)`

### isRegisteredNamespaceUri

    public boolean isRegisteredNamespaceUri(String namespaceUri)

  Return whether there is a registered prefix for the supplied namespace URI.

  Specified by:
    `isRegisteredNamespaceUri` in interface `NamespaceRegistry`
  Parameters:
    `namespaceUri` - the namespace URI
  Returns:
    true if the supplied namespace has been registered with a prefix, or false otherwise

### getDefaultNamespaceUri

    public String getDefaultNamespaceUri()

  Return the namespace URI that is currently mapped to the empty prefix, or null if there is no current default namespace.

  Specified by:
    `getDefaultNamespaceUri` in interface `NamespaceRegistry`
  Returns:
    the namespace URI that represents the default namespace, or null if there is no default namespace

### register

    public void register(Iterable<NamespaceRegistry.Namespace> namespaces)

  Specified by:
    `register` in interface `NamespaceRegistry`
  See Also:
    `NamespaceRegistry.register(java.lang.Iterable)`

### register

    public String register(String prefix,
                           String namespaceUri)

  Register a new namespace using the supplied prefix, returning the namespace URI previously registered under that prefix.

  Specified by:
    `register` in interface `NamespaceRegistry`
  Parameters:
    `prefix` - the prefix for the namespace, or null if a namesapce prefix should be generated automatically
    `namespaceUri` - the namespace URI
  Returns:
    the namespace URI that was previously registered with the supplied prefix, or null if the prefix was not previously bound to a namespace URI

### unregister

    public boolean unregister(String namespaceUri)

  Unregister the namespace with the supplied URI.

  Specified by:
    `unregister` in interface `NamespaceRegistry`
  Parameters:
    `namespaceUri` - the namespace URI
  Returns:
    true if the namespace was removed, or false if the namespace was not registered
  See Also:
    `NamespaceRegistry.unregister(java.lang.String)`

### getRegisteredNamespaceUris

    public Set<String> getRegisteredNamespaceUris()

  Obtain the set of namespaces that are registered.

  Specified by:
    `getRegisteredNamespaceUris` in interface `NamespaceRegistry`
  Returns:
    the set of

### getNamespaces

    public Set<NamespaceRegistry.Namespace> getNamespaces()

  Obtain a snapshot of all of the `namespaces` registered at the time this method is called. The resulting set is immutable, and will not reflect changes made to the registry.

  Specified by:
    `getNamespaces` in interface `NamespaceRegistry`
  Returns:
    an immutable set of `NamespaceRegistry.Namespace` objects reflecting a snapshot of the registry; never null
  See Also:
    `NamespaceRegistry.getNamespaces()`

### toString

    public String toString()

  Overrides:
    `toString` in class `Object`
  See Also:
    `Object.toString()`

### generatePrefix

    protected String generatePrefix()

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