# DocumentType
Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
Summary:[Inherited Constants](https://developer.android.com/reference/org/w3c/dom/DocumentType#inhconstants)\|[Methods](https://developer.android.com/reference/org/w3c/dom/DocumentType#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/org/w3c/dom/DocumentType#inhmethods)
# DocumentType
`
public
interface
DocumentType
`
`
implements
`[Node](https://developer.android.com/reference/org/w3c/dom/Node)`
`
|--------------------------|
| org.w3c.dom.DocumentType |
*** ** * ** ***
Each`Document`has a`doctype`attribute whose value is either`null`or a`DocumentType`object. The`DocumentType`interface in the DOM Core provides an interface to the list of entities that are defined for the document, and little else because the effect of namespaces and the various XML schema efforts on DTD representation are not clearly understood as of this writing.
DOM Level 3 doesn't support editing`DocumentType`nodes.`DocumentType`nodes are read-only.
See also the[Document Object Model (DOM) Level 3 Core Specification](http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407).
## Summary
| ### Inherited constants |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| From interface[org.w3c.dom.Node](https://developer.android.com/reference/org/w3c/dom/Node) |---------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `short` | [ATTRIBUTE_NODE](https://developer.android.com/reference/org/w3c/dom/Node#ATTRIBUTE_NODE) The node is an`Attr`. | | `short` | [CDATA_SECTION_NODE](https://developer.android.com/reference/org/w3c/dom/Node#CDATA_SECTION_NODE) The node is a`CDATASection`. | | `short` | [COMMENT_NODE](https://developer.android.com/reference/org/w3c/dom/Node#COMMENT_NODE) The node is a`Comment`. | | `short` | [DOCUMENT_FRAGMENT_NODE](https://developer.android.com/reference/org/w3c/dom/Node#DOCUMENT_FRAGMENT_NODE) The node is a`DocumentFragment`. | | `short` | [DOCUMENT_NODE](https://developer.android.com/reference/org/w3c/dom/Node#DOCUMENT_NODE) The node is a`Document`. | | `short` | [DOCUMENT_POSITION_CONTAINED_BY](https://developer.android.com/reference/org/w3c/dom/Node#DOCUMENT_POSITION_CONTAINED_BY) The node is contained by the reference node. | | `short` | [DOCUMENT_POSITION_CONTAINS](https://developer.android.com/reference/org/w3c/dom/Node#DOCUMENT_POSITION_CONTAINS) The node contains the reference node. | | `short` | [DOCUMENT_POSITION_DISCONNECTED](https://developer.android.com/reference/org/w3c/dom/Node#DOCUMENT_POSITION_DISCONNECTED) The two nodes are disconnected. | | `short` | [DOCUMENT_POSITION_FOLLOWING](https://developer.android.com/reference/org/w3c/dom/Node#DOCUMENT_POSITION_FOLLOWING) The node follows the reference node. | | `short` | [DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC](https://developer.android.com/reference/org/w3c/dom/Node#DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC) The determination of preceding versus following is implementation-specific. | | `short` | [DOCUMENT_POSITION_PRECEDING](https://developer.android.com/reference/org/w3c/dom/Node#DOCUMENT_POSITION_PRECEDING) The second node precedes the reference node. | | `short` | [DOCUMENT_TYPE_NODE](https://developer.android.com/reference/org/w3c/dom/Node#DOCUMENT_TYPE_NODE) The node is a`DocumentType`. | | `short` | [ELEMENT_NODE](https://developer.android.com/reference/org/w3c/dom/Node#ELEMENT_NODE) The node is an`Element`. | | `short` | [ENTITY_NODE](https://developer.android.com/reference/org/w3c/dom/Node#ENTITY_NODE) The node is an`Entity`. | | `short` | [ENTITY_REFERENCE_NODE](https://developer.android.com/reference/org/w3c/dom/Node#ENTITY_REFERENCE_NODE) The node is an`EntityReference`. | | `short` | [NOTATION_NODE](https://developer.android.com/reference/org/w3c/dom/Node#NOTATION_NODE) The node is a`Notation`. | | `short` | [PROCESSING_INSTRUCTION_NODE](https://developer.android.com/reference/org/w3c/dom/Node#PROCESSING_INSTRUCTION_NODE) The node is a`ProcessingInstruction`. | | `short` | [TEXT_NODE](https://developer.android.com/reference/org/w3c/dom/Node#TEXT_NODE) The node is a`Text`node. | |
| ### Public methods ||
|----------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` abstract `[NamedNodeMap](https://developer.android.com/reference/org/w3c/dom/NamedNodeMap) | ` `[getEntities](https://developer.android.com/reference/org/w3c/dom/DocumentType#getEntities())`() ` A`NamedNodeMap`containing the general entities, both external and internal, declared in the DTD. |
| ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getInternalSubset](https://developer.android.com/reference/org/w3c/dom/DocumentType#getInternalSubset())`() ` The internal subset as a string, or`null`if there is none. |
| ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getName](https://developer.android.com/reference/org/w3c/dom/DocumentType#getName())`() ` The name of DTD; i.e., the name immediately following the`DOCTYPE`keyword. |
| ` abstract `[NamedNodeMap](https://developer.android.com/reference/org/w3c/dom/NamedNodeMap) | ` `[getNotations](https://developer.android.com/reference/org/w3c/dom/DocumentType#getNotations())`() ` A`NamedNodeMap`containing the notations declared in the DTD. |
| ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getPublicId](https://developer.android.com/reference/org/w3c/dom/DocumentType#getPublicId())`() ` The public identifier of the external subset. |
| ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getSystemId](https://developer.android.com/reference/org/w3c/dom/DocumentType#getSystemId())`() ` The system identifier of the external subset. |
| ### Inherited methods |
|-----------------------|---|
| From interface` `[org.w3c.dom.Node](https://developer.android.com/reference/org/w3c/dom/Node)` ` |----------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[appendChild](https://developer.android.com/reference/org/w3c/dom/Node#appendChild(org.w3c.dom.Node))`(`[Node](https://developer.android.com/reference/org/w3c/dom/Node)` newChild) ` Adds the node`newChild`to the end of the list of children of this node. | | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[cloneNode](https://developer.android.com/reference/org/w3c/dom/Node#cloneNode(boolean))`(boolean deep) ` Returns a duplicate of this node, i.e., serves as a generic copy constructor for nodes. | | ` abstract short` | ` `[compareDocumentPosition](https://developer.android.com/reference/org/w3c/dom/Node#compareDocumentPosition(org.w3c.dom.Node))`(`[Node](https://developer.android.com/reference/org/w3c/dom/Node)` other) ` Compares the reference node, i.e. | | ` abstract `[NamedNodeMap](https://developer.android.com/reference/org/w3c/dom/NamedNodeMap) | ` `[getAttributes](https://developer.android.com/reference/org/w3c/dom/Node#getAttributes())`() ` A`NamedNodeMap`containing the attributes of this node (if it is an`Element`) or`null`otherwise. | | ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getBaseURI](https://developer.android.com/reference/org/w3c/dom/Node#getBaseURI())`() ` The absolute base URI of this node or`null`if the implementation wasn't able to obtain an absolute URI. | | ` abstract `[NodeList](https://developer.android.com/reference/org/w3c/dom/NodeList) | ` `[getChildNodes](https://developer.android.com/reference/org/w3c/dom/Node#getChildNodes())`() ` A`NodeList`that contains all children of this node. | | ` abstract `[Object](https://developer.android.com/reference/java/lang/Object) | ` `[getFeature](https://developer.android.com/reference/org/w3c/dom/Node#getFeature(java.lang.String,%20java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` feature, `[String](https://developer.android.com/reference/java/lang/String)` version) ` This method returns a specialized object which implements the specialized APIs of the specified feature and version, as specified in . | | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[getFirstChild](https://developer.android.com/reference/org/w3c/dom/Node#getFirstChild())`() ` The first child of this node. | | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[getLastChild](https://developer.android.com/reference/org/w3c/dom/Node#getLastChild())`() ` The last child of this node. | | ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getLocalName](https://developer.android.com/reference/org/w3c/dom/Node#getLocalName())`() ` Returns the local part of the qualified name of this node. | | ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getNamespaceURI](https://developer.android.com/reference/org/w3c/dom/Node#getNamespaceURI())`() ` The namespace URI of this node, or`null`if it is unspecified (see ). | | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[getNextSibling](https://developer.android.com/reference/org/w3c/dom/Node#getNextSibling())`() ` The node immediately following this node. | | ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getNodeName](https://developer.android.com/reference/org/w3c/dom/Node#getNodeName())`() ` The name of this node, depending on its type; see the table above. | | ` abstract short` | ` `[getNodeType](https://developer.android.com/reference/org/w3c/dom/Node#getNodeType())`() ` A code representing the type of the underlying object, as defined above. | | ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getNodeValue](https://developer.android.com/reference/org/w3c/dom/Node#getNodeValue())`() ` The value of this node, depending on its type; see the table above. | | ` abstract `[Document](https://developer.android.com/reference/org/w3c/dom/Document) | ` `[getOwnerDocument](https://developer.android.com/reference/org/w3c/dom/Node#getOwnerDocument())`() ` The`Document`object associated with this node. | | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[getParentNode](https://developer.android.com/reference/org/w3c/dom/Node#getParentNode())`() ` The parent of this node. | | ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getPrefix](https://developer.android.com/reference/org/w3c/dom/Node#getPrefix())`() ` The namespace prefix of this node, or`null`if it is unspecified. | | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[getPreviousSibling](https://developer.android.com/reference/org/w3c/dom/Node#getPreviousSibling())`() ` The node immediately preceding this node. | | ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[getTextContent](https://developer.android.com/reference/org/w3c/dom/Node#getTextContent())`() ` This attribute returns the text content of this node and its descendants. | | ` abstract `[Object](https://developer.android.com/reference/java/lang/Object) | ` `[getUserData](https://developer.android.com/reference/org/w3c/dom/Node#getUserData(java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` key) ` Retrieves the object associated to a key on a this node. | | ` abstract boolean` | ` `[hasAttributes](https://developer.android.com/reference/org/w3c/dom/Node#hasAttributes())`() ` Returns whether this node (if it is an element) has any attributes. | | ` abstract boolean` | ` `[hasChildNodes](https://developer.android.com/reference/org/w3c/dom/Node#hasChildNodes())`() ` Returns whether this node has any children. | | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[insertBefore](https://developer.android.com/reference/org/w3c/dom/Node#insertBefore(org.w3c.dom.Node,%20org.w3c.dom.Node))`(`[Node](https://developer.android.com/reference/org/w3c/dom/Node)` newChild, `[Node](https://developer.android.com/reference/org/w3c/dom/Node)` refChild) ` Inserts the node`newChild`before the existing child node`refChild`. | | ` abstract boolean` | ` `[isDefaultNamespace](https://developer.android.com/reference/org/w3c/dom/Node#isDefaultNamespace(java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` namespaceURI) ` This method checks if the specified`namespaceURI`is the default namespace or not. | | ` abstract boolean` | ` `[isEqualNode](https://developer.android.com/reference/org/w3c/dom/Node#isEqualNode(org.w3c.dom.Node))`(`[Node](https://developer.android.com/reference/org/w3c/dom/Node)` arg) ` Tests whether two nodes are equal. | | ` abstract boolean` | ` `[isSameNode](https://developer.android.com/reference/org/w3c/dom/Node#isSameNode(org.w3c.dom.Node))`(`[Node](https://developer.android.com/reference/org/w3c/dom/Node)` other) ` Returns whether this node is the same node as the given one. | | ` abstract boolean` | ` `[isSupported](https://developer.android.com/reference/org/w3c/dom/Node#isSupported(java.lang.String,%20java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` feature, `[String](https://developer.android.com/reference/java/lang/String)` version) ` Tests whether the DOM implementation implements a specific feature and that feature is supported by this node, as specified in . | | ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[lookupNamespaceURI](https://developer.android.com/reference/org/w3c/dom/Node#lookupNamespaceURI(java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` prefix) ` Look up the namespace URI associated to the given prefix, starting from this node. | | ` abstract `[String](https://developer.android.com/reference/java/lang/String) | ` `[lookupPrefix](https://developer.android.com/reference/org/w3c/dom/Node#lookupPrefix(java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` namespaceURI) ` Look up the prefix associated to the given namespace URI, starting from this node. | | ` abstract void` | ` `[normalize](https://developer.android.com/reference/org/w3c/dom/Node#normalize())`() ` Puts all`Text`nodes in the full depth of the sub-tree underneath this`Node`, including attribute nodes, into a "normal" form where only structure (e.g., elements, comments, processing instructions, CDATA sections, and entity references) separates`Text`nodes, i.e., there are neither adjacent`Text`nodes nor empty`Text`nodes. | | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[removeChild](https://developer.android.com/reference/org/w3c/dom/Node#removeChild(org.w3c.dom.Node))`(`[Node](https://developer.android.com/reference/org/w3c/dom/Node)` oldChild) ` Removes the child node indicated by`oldChild`from the list of children, and returns it. | | ` abstract `[Node](https://developer.android.com/reference/org/w3c/dom/Node) | ` `[replaceChild](https://developer.android.com/reference/org/w3c/dom/Node#replaceChild(org.w3c.dom.Node,%20org.w3c.dom.Node))`(`[Node](https://developer.android.com/reference/org/w3c/dom/Node)` newChild, `[Node](https://developer.android.com/reference/org/w3c/dom/Node)` oldChild) ` Replaces the child node`oldChild`with`newChild`in the list of children, and returns the`oldChild`node. | | ` abstract void` | ` `[setNodeValue](https://developer.android.com/reference/org/w3c/dom/Node#setNodeValue(java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` nodeValue) ` The value of this node, depending on its type; see the table above. | | ` abstract void` | ` `[setPrefix](https://developer.android.com/reference/org/w3c/dom/Node#setPrefix(java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` prefix) ` The namespace prefix of this node, or`null`if it is unspecified. | | ` abstract void` | ` `[setTextContent](https://developer.android.com/reference/org/w3c/dom/Node#setTextContent(java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` textContent) ` This attribute returns the text content of this node and its descendants. | | ` abstract `[Object](https://developer.android.com/reference/java/lang/Object) | ` `[setUserData](https://developer.android.com/reference/org/w3c/dom/Node#setUserData(java.lang.String,%20java.lang.Object,%20org.w3c.dom.UserDataHandler))`(`[String](https://developer.android.com/reference/java/lang/String)` key, `[Object](https://developer.android.com/reference/java/lang/Object)` data, `[UserDataHandler](https://developer.android.com/reference/org/w3c/dom/UserDataHandler)` handler) ` Associate an object to a key on this node. | ||
## Public methods
### getEntities
Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract NamedNodeMap getEntities ()
```
A`NamedNodeMap`containing the general entities, both external and internal, declared in the DTD. Parameter entities are not contained. Duplicates are discarded. For example in:
```
]>
```
the interface provides access to`foo`and the first declaration of`bar`but not the second declaration of`bar`or`baz`. Every node in this map also implements the`Entity`interface.
The DOM Level 2 does not support editing entities, therefore`entities`cannot be altered in any way.
| Returns ||
|----------------------------------------------------------------------------------|--------|
| [NamedNodeMap](https://developer.android.com/reference/org/w3c/dom/NamedNodeMap) |
|
### getInternalSubset
Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract String getInternalSubset ()
```
The internal subset as a string, or`null`if there is none. This is does not contain the delimiting square brackets.
**Note:**The actual content returned depends on how much information is available to the implementation. This may vary depending on various parameters, including the XML processor used to build the document.
| Returns ||
|--------------------------------------------------------------------|--------|
| [String](https://developer.android.com/reference/java/lang/String) |
|
### getName
Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract String getName ()
```
The name of DTD; i.e., the name immediately following the`DOCTYPE`keyword.
| Returns ||
|--------------------------------------------------------------------|--------|
| [String](https://developer.android.com/reference/java/lang/String) |
|
### getNotations
Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract NamedNodeMap getNotations ()
```
A`NamedNodeMap`containing the notations declared in the DTD. Duplicates are discarded. Every node in this map also implements the`Notation`interface.
The DOM Level 2 does not support editing notations, therefore`notations`cannot be altered in any way.
| Returns ||
|----------------------------------------------------------------------------------|--------|
| [NamedNodeMap](https://developer.android.com/reference/org/w3c/dom/NamedNodeMap) |
|
### getPublicId
Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract String getPublicId ()
```
The public identifier of the external subset.
| Returns ||
|--------------------------------------------------------------------|--------|
| [String](https://developer.android.com/reference/java/lang/String) |
|
### getSystemId
Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract String getSystemId ()
```
The system identifier of the external subset. This may be an absolute URI or not.
| Returns ||
|--------------------------------------------------------------------|--------|
| [String](https://developer.android.com/reference/java/lang/String) |
|