DocumentNavigator (jaxen 1.1.4 API)

java.lang.Object
- org.jaxen.DefaultNavigator
- - org.jaxen.xom.DocumentNavigator

All Implemented Interfaces:

Serializable, Navigator
```
public class DocumentNavigator
extends DefaultNavigator
```
Interface for navigating around the XOM object model.
This class is not intended for direct usage, but is used by the Jaxen engine during evaluation.

See Also:
XPath, Serialized Form

Constructor Summary

Constructors
Constructor and Description

DocumentNavigator()

Constructors
Constructor and Description
`DocumentNavigator()`

Method Summary

Methods
Modifier and Type	Method and Description
`Iterator`	`getAttributeAxisIterator(Object o)` Throws `UnsupportedAxisException`.
`String`	`getAttributeName(Object o)` Retrieve the local name of the given attribute node.
`String`	`getAttributeNamespaceUri(Object o)` Retrieve the namespace URI of the given attribute node.
`String`	`getAttributeQName(Object o)` Retrieve the qualified name of the given attribute node.
`String`	`getAttributeStringValue(Object o)` Retrieve the string-value of an attribute node.
`Iterator`	`getChildAxisIterator(Object o)` Throws `UnsupportedAxisException`
`String`	`getCommentStringValue(Object o)` Retrieve the string-value of a comment node.
`Object`	`getDocument(String s)` Default implementation that always returns null.
`Object`	`getDocumentNode(Object o)` Returns the document node that contains the given context node.
`String`	`getElementName(Object o)` Retrieve the local name of the given element node.
`String`	`getElementNamespaceUri(Object o)` Retrieve the namespace URI of the given element node.
`String`	`getElementQName(Object o)` Retrieve the qualified name of the given element node.
`String`	`getElementStringValue(Object o)` Retrieve the string-value of an element node.
`Iterator`	`getNamespaceAxisIterator(Object o)` Throws `UnsupportedAxisException`.
`String`	`getNamespacePrefix(Object o)` Retrieve the namespace prefix of a namespace node.
`String`	`getNamespaceStringValue(Object o)` Retrieve the string-value of a namespace node.
`Iterator`	`getParentAxisIterator(Object o)` Throws `UnsupportedAxisException`
`Object`	`getParentNode(Object o)` Default inefficient implementation.
`Iterator`	`getPrecedingAxisIterator(Object o)` Retrieve an `Iterator` matching the `preceding` XPath axis.
`Iterator`	`getPrecedingSiblingAxisIterator(Object o)` Retrieve an `Iterator` matching the `preceding-sibling` XPath axis.
`String`	`getProcessingInstructionData(Object o)` Retrieve the data of a processing-instruction.
`String`	`getProcessingInstructionTarget(Object o)` Retrieve the target of a processing-instruction.
`String`	`getTextStringValue(Object o)` Retrieve the string-value of a text node.
`boolean`	`isAttribute(Object o)` Returns whether the given object is an attribute node.
`boolean`	`isComment(Object o)` Returns whether the given object is a comment node.
`boolean`	`isDocument(Object o)` Returns whether the given object is a document node.
`boolean`	`isElement(Object o)` Returns whether the given object is an element node.
`boolean`	`isNamespace(Object o)` Returns whether the given object is a namespace node.
`boolean`	`isProcessingInstruction(Object o)` Returns whether the given object is a processing-instruction node.
`boolean`	`isText(Object o)` Returns whether the given object is a text node.
`XPath`	`parseXPath(String s)` Returns a parsed form of the given XPath string, which will be suitable for queries on documents that use the same navigator as this one.
`String`	`translateNamespacePrefixToUri(String s, Object o)` Translate a namespace prefix to a namespace URI, possibly considering a particular element node.

Methods inherited from class org.jaxen.DefaultNavigator
getAncestorAxisIterator, getAncestorOrSelfAxisIterator, getDescendantAxisIterator, getDescendantOrSelfAxisIterator, getElementById, getFollowingAxisIterator, getFollowingSiblingAxisIterator, getNodeType, getSelfAxisIterator

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

- Constructor Detail
  - DocumentNavigator
```
public DocumentNavigator()
```
- Method Detail
  - isAttribute
```
public boolean isAttribute(Object o)
```
    Description copied from interface: Navigator
    
    Returns whether the given object is an attribute node.
    
    Parameters:
    o - the object to test
    
    Returns:
    true if the object is an attribute node, else false
  - isComment
```
public boolean isComment(Object o)
```
    Description copied from interface: Navigator
    
    Returns whether the given object is a comment node.
    
    Parameters:
    o - the object to test
    
    Returns:
    true if the object is a comment node, else false
  - isDocument
```
public boolean isDocument(Object o)
```
    Description copied from interface: Navigator
    
    Returns whether the given object is a document node. A document node is the node that is selected by the XPath expression /.
    
    Parameters:
    o - the object to test
    
    Returns:
    true if the object is a document node, else false
  - isElement
```
public boolean isElement(Object o)
```
    Description copied from interface: Navigator
    
    Returns whether the given object is an element node.
    
    Parameters:
    o - the object to test
    
    Returns:
    true if the object is an element node, else false
  - isNamespace
```
public boolean isNamespace(Object o)
```
    Description copied from interface: Navigator
    
    Returns whether the given object is a namespace node.
    
    Parameters:
    o - the object to test
    
    Returns:
    true if the object is a namespace node, else false
  - isProcessingInstruction
```
public boolean isProcessingInstruction(Object o)
```
    Description copied from interface: Navigator
    
    Returns whether the given object is a processing-instruction node.
    
    Parameters:
    o - the object to test
    
    Returns:
    true if the object is a processing-instruction node, else false
  - isText
```
public boolean isText(Object o)
```
    Description copied from interface: Navigator
    
    Returns whether the given object is a text node.
    
    Parameters:
    o - the object to test
    
    Returns:
    true if the object is a text node, else false
  - getAttributeName
```
public String getAttributeName(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the local name of the given attribute node.
    
    Parameters:
    o - the context attribute node
    
    Returns:
    the local name of the attribute node
  - getAttributeNamespaceUri
```
public String getAttributeNamespaceUri(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the namespace URI of the given attribute node.
    
    Parameters:
    o - the context attribute node
    
    Returns:
    the namespace URI of the attribute node
  - getAttributeQName
```
public String getAttributeQName(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the qualified name of the given attribute node.
    
    Parameters:
    o - the context attribute node
    
    Returns:
    the qualified name of the attribute node
  - getAttributeStringValue
```
public String getAttributeStringValue(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the string-value of an attribute node. This should be the XML 1.0 normalized attribute value. This may be the empty string but must not be null.
    
    Parameters:
    o - the attribute node
    
    Returns:
    the string-value of the node
  - getCommentStringValue
```
public String getCommentStringValue(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the string-value of a comment node. This may be the empty string if the comment is empty, but must not be null.
    
    Parameters:
    o - the comment node
    
    Returns:
    the string-value of the node
  - getElementName
```
public String getElementName(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the local name of the given element node.
    
    Parameters:
    o - the context element node
    
    Returns:
    the local name of the element node
  - getElementNamespaceUri
```
public String getElementNamespaceUri(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the namespace URI of the given element node.
    
    Parameters:
    o - the context element node
    
    Returns:
    the namespace URI of the element node
  - getElementQName
```
public String getElementQName(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the qualified name of the given element node.
    
    Parameters:
    o - the context element node
    
    Returns:
    the qualified name of the element node
  - getElementStringValue
```
public String getElementStringValue(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the string-value of an element node. This may be the empty string if the element is empty, but must not be null.
    
    Parameters:
    o - the comment node.
    
    Returns:
    the string-value of the node.
  - getNamespacePrefix
```
public String getNamespacePrefix(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the namespace prefix of a namespace node.
    
    Parameters:
    o - the namespace node
    
    Returns:
    the prefix associated with the node
  - getNamespaceStringValue
```
public String getNamespaceStringValue(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the string-value of a namespace node. This is generally the namespace URI. This may be the empty string but must not be null.
    
    Parameters:
    o - the namespace node
    
    Returns:
    the string-value of the node
  - getTextStringValue
```
public String getTextStringValue(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the string-value of a text node. This must not be null and should not be the empty string. The XPath data model does not allow empty text nodes.
    
    Parameters:
    o - the text node
    
    Returns:
    the string-value of the node
  - getDocument
```
public Object getDocument(String s)
                   throws FunctionCallException
```
    Description copied from class: DefaultNavigator
    
    Default implementation that always returns null. Override in subclass if the subclass can load documents.
    
    Specified by:
    
    getDocument in interface Navigator
    
    Overrides:
    
    getDocument in class DefaultNavigator
    
    Parameters:
    s - the URL of the document to load
    
    Returns:
    null
    
    Throws:
    
    FunctionCallException - if an error occurs while loading the URL; e.g. an I/O error or the document is malformed
  - getDocumentNode
```
public Object getDocumentNode(Object o)
```
    Description copied from interface: Navigator
    
    Returns the document node that contains the given context node.
    
    Specified by:
    
    getDocumentNode in interface Navigator
    
    Overrides:
    
    getDocumentNode in class DefaultNavigator
    
    Parameters:
    o - the context node
    
    Returns:
    the document of the context node
    See Also:
    Navigator.isDocument(Object)
  - getAttributeAxisIterator
```
public Iterator getAttributeAxisIterator(Object o)
```
    Description copied from class: DefaultNavigator
    
    Throws UnsupportedAxisException. Subclasses that support the attribute axis must override this method.
    
    Specified by:
    
    getAttributeAxisIterator in interface Navigator
    
    Overrides:
    
    getAttributeAxisIterator in class DefaultNavigator
    
    Parameters:
    o - the original context node
    
    Returns:
    never returns
  - getChildAxisIterator
```
public Iterator getChildAxisIterator(Object o)
```
    Description copied from class: DefaultNavigator
    
    Throws UnsupportedAxisException
    
    Specified by:
    
    getChildAxisIterator in interface Navigator
    
    Overrides:
    
    getChildAxisIterator in class DefaultNavigator
    
    Parameters:
    o - the original context node
    
    Returns:
    never returns
  - getParentAxisIterator
```
public Iterator getParentAxisIterator(Object o)
```
    Description copied from class: DefaultNavigator
    
    Throws UnsupportedAxisException
    
    Specified by:
    
    getParentAxisIterator in interface Navigator
    
    Overrides:
    
    getParentAxisIterator in class DefaultNavigator
    
    Parameters:
    o - the original context node
    
    Returns:
    never returns
  - getParentNode
```
public Object getParentNode(Object o)
```
    Description copied from class: DefaultNavigator
    
    Default inefficient implementation. Subclasses should override this method.
    
    Specified by:
    
    getParentNode in interface Navigator
    
    Overrides:
    
    getParentNode in class DefaultNavigator
    
    Parameters:
    o - the node whose parent to return
    
    Returns:
    the parent node
    See Also:
    Navigator.isDocument(java.lang.Object), Navigator.isElement(java.lang.Object)
  - getPrecedingAxisIterator
```
public Iterator getPrecedingAxisIterator(Object o)
                                  throws UnsupportedAxisException
```
    Description copied from interface: Navigator
    
    Retrieve an Iterator matching the preceding XPath axis.
    
    Specified by:
    
    getPrecedingAxisIterator in interface Navigator
    
    Overrides:
    
    getPrecedingAxisIterator in class DefaultNavigator
    
    Parameters:
    o - the original context node
    
    Returns:
    an Iterator capable of traversing the axis, not null
    
    Throws:
    
    UnsupportedAxisException - if the semantics of the preceding axis are not supported by this object model
  - getPrecedingSiblingAxisIterator
```
public Iterator getPrecedingSiblingAxisIterator(Object o)
                                         throws UnsupportedAxisException
```
    Description copied from interface: Navigator
    
    Retrieve an Iterator matching the preceding-sibling XPath axis.
    
    Specified by:
    
    getPrecedingSiblingAxisIterator in interface Navigator
    
    Overrides:
    
    getPrecedingSiblingAxisIterator in class DefaultNavigator
    
    Parameters:
    o - the original context node
    
    Returns:
    an Iterator capable of traversing the axis, not null
    
    Throws:
    
    UnsupportedAxisException - if the semantics of the preceding-sibling axis are not supported by this object model
  - getProcessingInstructionData
```
public String getProcessingInstructionData(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the data of a processing-instruction.
    
    Specified by:
    
    getProcessingInstructionData in interface Navigator
    
    Overrides:
    
    getProcessingInstructionData in class DefaultNavigator
    
    Parameters:
    o - the context processing-instruction node
    
    Returns:
    the data of the processing-instruction node
  - getProcessingInstructionTarget
```
public String getProcessingInstructionTarget(Object o)
```
    Description copied from interface: Navigator
    
    Retrieve the target of a processing-instruction.
    
    Specified by:
    
    getProcessingInstructionTarget in interface Navigator
    
    Overrides:
    
    getProcessingInstructionTarget in class DefaultNavigator
    
    Parameters:
    o - the context processing-instruction node
    
    Returns:
    the target of the processing-instruction node
  - translateNamespacePrefixToUri
```
public String translateNamespacePrefixToUri(String s,
                                   Object o)
```
    Description copied from interface: Navigator
    
    Translate a namespace prefix to a namespace URI, possibly considering a particular element node.
    Strictly speaking, prefix-to-URI translation should occur irrespective of any element in the document. This method is provided to allow a non-conforming ease-of-use enhancement.
    
    Specified by:
    
    translateNamespacePrefixToUri in interface Navigator
    
    Overrides:
    
    translateNamespacePrefixToUri in class DefaultNavigator
    
    Parameters:
    s - the prefix to translate
    o - the element to consider during translation
    
    Returns:
    the namespace URI associated with the prefix
    See Also:
    NamespaceContext
  - parseXPath
```
public XPath parseXPath(String s)
                 throws SAXPathException
```
    Description copied from interface: Navigator
    
    Returns a parsed form of the given XPath string, which will be suitable for queries on documents that use the same navigator as this one.
    
    Parameters:
    s - the XPath expression
    
    Returns:
    a new XPath expression object
    
    Throws:
    
    SAXPathException - if the string is not a syntactically correct XPath expression
    See Also:
    XPath
  - getNamespaceAxisIterator
```
public Iterator getNamespaceAxisIterator(Object o)
```
    Description copied from class: DefaultNavigator
    
    Throws UnsupportedAxisException. Subclasses that support the namespace axis must override this method.
    
    Specified by:
    
    getNamespaceAxisIterator in interface Navigator
    
    Overrides:
    
    getNamespaceAxisIterator in class DefaultNavigator
    
    Parameters:
    o - the original context node
    
    Returns:
    never returns

Class DocumentNavigator

Constructor Summary

Method Summary

Methods inherited from class org.jaxen.DefaultNavigator

Methods inherited from class java.lang.Object

Constructor Detail

DocumentNavigator

Method Detail

isAttribute

isComment

isDocument

isElement

isNamespace

isProcessingInstruction

isText

getAttributeName

getAttributeNamespaceUri

getAttributeQName

getAttributeStringValue

getCommentStringValue

getElementName

getElementNamespaceUri

getElementQName

getElementStringValue

getNamespacePrefix

getNamespaceStringValue

getTextStringValue

getDocument

getDocumentNode

getAttributeAxisIterator

getChildAxisIterator

getParentAxisIterator

getParentNode

getPrecedingAxisIterator

getPrecedingSiblingAxisIterator

getProcessingInstructionData

getProcessingInstructionTarget

translateNamespacePrefixToUri

parseXPath

getNamespaceAxisIterator