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## org.apache.xerces.dom
Class EntityImpl

    java.lang.Object
      |
      +--org.apache.xerces.dom.NodeImpl
            |
            +--org.apache.xerces.dom.ChildNode
                  |
                  +--org.apache.xerces.dom.ParentNode
                        |
                        +--org.apache.xerces.dom.EntityImpl

All Implemented Interfaces:
  java.lang.Cloneable, org.w3c.dom.Entity, org.w3c.dom.events.EventTarget, org.w3c.dom.Node, org.w3c.dom.NodeList, java.io.Serializable

Direct Known Subclasses:
  DeferredEntityImpl

public class EntityImpl
extends ParentNode
implements org.w3c.dom.Entity

Entity nodes hold the reference data for an XML Entity -- either parsed or unparsed. The nodeName (inherited from Node) will contain the name (if any) of the Entity. Its data will be contained in the Entity's children, in exactly the structure which an EntityReference to this name will present within the document's body.

Note that this object models the actual entity, _not_ the entity declaration or the entity reference.

An XML processor may choose to completely expand entities before the structure model is passed to the DOM; in this case, there will be no EntityReferences in the DOM tree.

Quoting the 10/01 DOM Proposal,

> "The DOM Level 1 does not support editing Entity nodes; if a user wants to make changes to the contents of an Entity, every related EntityReference node has to be replaced in the structure model by a clone of the Entity's contents, and then the desired changes must be made to each of those clones instead. All the descendants of an Entity node are readonly."

I'm interpreting this as: It is the parser's responsibilty to call the non-DOM operation setReadOnly(true,true) after it constructs the Entity. Since the DOM explicitly decided not to deal with this, _any_ answer will involve a non-DOM operation, and this is the simplest solution.

# INTERNAL:

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

Since:
  PR-DOM-Level-1-19980818.
Version:
  $Id: EntityImpl.java 447266 2006-09-18 05:57:49Z mrglavas $
Author:
  Elena Litani, IBM
See Also:
  Serialized Form

Field Summary
`protected java.lang.String` | `baseURI` base uri
`protected java.lang.String` | `encoding` Encoding
`protected java.lang.String` | `inputEncoding` Input Encoding
`protected java.lang.String` | `name` Entity name.
`protected java.lang.String` | `notationName` Notation name.
`protected java.lang.String` | `publicId` Public identifier.
`protected java.lang.String` | `systemId` System identifier.
`protected java.lang.String` | `version` Version

Fields inherited from class org.apache.xerces.dom.ParentNode
`firstChild, fNodeListCache, ownerDocument`

Fields inherited from class org.apache.xerces.dom.ChildNode
`nextSibling, previousSibling`

Fields inherited from class org.apache.xerces.dom.NodeImpl
`DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_IS_CONTAINED, DOCUMENT_POSITION_PRECEDING, ELEMENT_DEFINITION_NODE, FIRSTCHILD, flags, HASSTRING, ID, IGNORABLEWS, NORMALIZED, OWNED, ownerNode, READONLY, SPECIFIED, SYNCCHILDREN, SYNCDATA, TREE_POSITION_ANCESTOR, TREE_POSITION_DESCENDANT, TREE_POSITION_DISCONNECTED, TREE_POSITION_EQUIVALENT, TREE_POSITION_FOLLOWING, TREE_POSITION_PRECEDING, TREE_POSITION_SAME_NODE`

Fields inherited from interface org.w3c.dom.Node
`ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_POSITION_CONTAINED_BY, DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_PRECEDING, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE`

Constructor Summary
`EntityImpl(CoreDocumentImpl ownerDoc, java.lang.String name)` Factory constructor.

Method Summary
`org.w3c.dom.Node` | `cloneNode(boolean deep)` Clone node.
`java.lang.String` | `getBaseURI()` Returns the absolute base URI of this node or null if the implementation wasn't able to obtain an absolute URI.
`java.lang.String` | `getInputEncoding()` An attribute specifying the encoding used for this entity at the tiome of parsing, when it is an external parsed entity.
`java.lang.String` | `getNodeName()` Returns the entity name
`short` | `getNodeType()` A short integer indicating what type of node this is.
`java.lang.String` | `getNotationName()` Unparsed entities -- which contain non-XML data -- have a "notation name" which tells applications how to deal with them.
`java.lang.String` | `getPublicId()` The public identifier associated with the entity.
`java.lang.String` | `getSystemId()` The system identifier associated with the entity.
`java.lang.String` | `getXmlEncoding()` DOM Level 3 WD - experimental the encoding of this entity, when it is an external parsed entity.
`java.lang.String` | `getXmlVersion()` DOM Level 3 WD - experimental the version number of this entity, when it is an external parsed entity.
`void` | `setBaseURI(java.lang.String uri)` NON-DOM: set base uri
`void` | `setInputEncoding(java.lang.String inputEncoding)` NON-DOM, used to set the input encoding.
`void` | `setNotationName(java.lang.String name)` DOM Level 2: Unparsed entities -- which contain non-XML data -- have a "notation name" which tells applications how to deal with them.
`void` | `setPublicId(java.lang.String id)` DOM Level 2: The public identifier associated with the entity.
`void` | `setSystemId(java.lang.String id)` DOM Level 2: The system identifier associated with the entity.
`void` | `setXmlEncoding(java.lang.String value)` NON-DOM encoding - An attribute specifying, as part of the text declaration, the encoding of this entity, when it is an external parsed entity.
`void` | `setXmlVersion(java.lang.String value)` NON-DOM version - An attribute specifying, as part of the text declaration, the version number of this entity, when it is an external parsed entity.

Methods inherited from class org.apache.xerces.dom.ParentNode
`getChildNodes, getChildNodesUnoptimized, getFirstChild, getLastChild, getLength, getOwnerDocument, getTextContent, hasChildNodes, insertBefore, isEqualNode, item, normalize, removeChild, replaceChild, setOwnerDocument, setReadOnly, setTextContent, synchronizeChildren`

Methods inherited from class org.apache.xerces.dom.ChildNode
`getNextSibling, getParentNode, getPreviousSibling`

Methods inherited from class org.apache.xerces.dom.NodeImpl
`addEventListener, appendChild, changed, changes, compareDocumentPosition, compareTreePosition, dispatchEvent, getAttributes, getContainer, getFeature, getLocalName, getNamespaceURI, getNodeNumber, getNodeValue, getPrefix, getReadOnly, getUserData, getUserData, getUserDataRecord, hasAttributes, isDefaultNamespace, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, needsSyncChildren, removeEventListener, setNodeValue, setPrefix, setUserData, setUserData, synchronizeData, toString`

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

Methods inherited from interface org.w3c.dom.Node
`appendChild, compareDocumentPosition, getAttributes, getChildNodes, getFeature, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, getTextContent, getUserData, hasAttributes, hasChildNodes, insertBefore, isDefaultNamespace, isEqualNode, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, normalize, removeChild, replaceChild, setNodeValue, setPrefix, setTextContent, setUserData`

Field Detail

### name

    protected java.lang.String name

  Entity name.

### publicId

    protected java.lang.String publicId

  Public identifier.

### systemId

    protected java.lang.String systemId

  System identifier.

### encoding

    protected java.lang.String encoding

  Encoding

### inputEncoding

    protected java.lang.String inputEncoding

  Input Encoding

### version

    protected java.lang.String version

  Version

### notationName

    protected java.lang.String notationName

  Notation name.

### baseURI

    protected java.lang.String baseURI

  base uri

Constructor Detail

### EntityImpl

    public EntityImpl(CoreDocumentImpl ownerDoc,
                      java.lang.String name)

  Factory constructor.

Method Detail

### getNodeType

    public short getNodeType()

  A short integer indicating what type of node this is. The named constants for this value are defined in the org.w3c.dom.Node interface.
  Specified by:
    `getNodeType` in interface `org.w3c.dom.Node`
  Overrides:
    `getNodeType` in class `NodeImpl`

### getNodeName

    public java.lang.String getNodeName()

  Returns the entity name
  Specified by:
    `getNodeName` in interface `org.w3c.dom.Node`
  Overrides:
    `getNodeName` in class `NodeImpl`

### cloneNode

    public org.w3c.dom.Node cloneNode(boolean deep)

  Clone node.
  Specified by:
    `cloneNode` in interface `org.w3c.dom.Node`
  Overrides:
    `cloneNode` in class `ParentNode`
  Following copied from interface: `org.w3c.dom.Node`
  Parameters:
    `deep` - If `true`, recursively clone the subtree under the specified node; if `false`, clone only the node itself (and its attributes, if it is an `Element`).
  Returns:
    The duplicate node.

### getPublicId

    public java.lang.String getPublicId()

  The public identifier associated with the entity. If not specified, this will be null.
  Specified by:
    `getPublicId` in interface `org.w3c.dom.Entity`

### getSystemId

    public java.lang.String getSystemId()

  The system identifier associated with the entity. If not specified, this will be null.
  Specified by:
    `getSystemId` in interface `org.w3c.dom.Entity`

### getXmlVersion

    public java.lang.String getXmlVersion()

  DOM Level 3 WD - experimental the version number of this entity, when it is an external parsed entity.
  Specified by:
    `getXmlVersion` in interface `org.w3c.dom.Entity`

### getXmlEncoding

    public java.lang.String getXmlEncoding()

  DOM Level 3 WD - experimental the encoding of this entity, when it is an external parsed entity.
  Specified by:
    `getXmlEncoding` in interface `org.w3c.dom.Entity`

### getNotationName

    public java.lang.String getNotationName()

  Unparsed entities -- which contain non-XML data -- have a "notation name" which tells applications how to deal with them. Parsed entities, which are in XML format, don't need this and set it to null.
  Specified by:
    `getNotationName` in interface `org.w3c.dom.Entity`

### setPublicId

    public void setPublicId(java.lang.String id)

  DOM Level 2: The public identifier associated with the entity. If not specified, this will be null.

### setXmlEncoding

    public void setXmlEncoding(java.lang.String value)

  NON-DOM encoding - An attribute specifying, as part of the text declaration, the encoding of this entity, when it is an external parsed entity. This is null otherwise

### getInputEncoding

    public java.lang.String getInputEncoding()

  An attribute specifying the encoding used for this entity at the tiome of parsing, when it is an external parsed entity. This is `null` if it an entity from the internal subset or if it is not known..
  Specified by:
    `getInputEncoding` in interface `org.w3c.dom.Entity`
  Since:
    DOM Level 3

### setInputEncoding

    public void setInputEncoding(java.lang.String inputEncoding)

  NON-DOM, used to set the input encoding.

### setXmlVersion

    public void setXmlVersion(java.lang.String value)

  NON-DOM version - An attribute specifying, as part of the text declaration, the version number of this entity, when it is an external parsed entity. This is null otherwise

### setSystemId

    public void setSystemId(java.lang.String id)

  DOM Level 2: The system identifier associated with the entity. If not specified, this will be null.

### setNotationName

    public void setNotationName(java.lang.String name)

  DOM Level 2: Unparsed entities -- which contain non-XML data -- have a "notation name" which tells applications how to deal with them. Parsed entities, which are in XML format, don't need this and set it to null.

### getBaseURI

    public java.lang.String getBaseURI()

  Returns the absolute base URI of this node or null if the implementation wasn't able to obtain an absolute URI. Note: If the URI is malformed, a null is returned.
  Specified by:
    `getBaseURI` in interface `org.w3c.dom.Node`
  Overrides:
    `getBaseURI` in class `NodeImpl`
  Returns:
    The absolute base URI of this node or null.
  Since:
    DOM Level 3

### setBaseURI

    public void setBaseURI(java.lang.String uri)

  NON-DOM: set base uri

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