TreeResolver (Flying Saucer Project: XML/CSS Renderer in Java)

All Known Implementing Classes:

DOMTreeResolver
```
public interface TreeResolver
```
Author:

scott
Gives the css matcher access to the information it needs about the tree structure.
Elements are the "things" in the tree structure that can be matched by the matcher.

Field Summary

Fields
Modifier and Type Field Description

static java.lang.String NO_NAMESPACE

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getElementName(java.lang.Object element)`	returns the name of the element so that it may match against the selectors
`java.lang.Object`	`getParentElement(java.lang.Object element)`	returns the parent element of an element, or null if this was the root element
`java.lang.Object`	`getPreviousSiblingElement(java.lang.Object node)`	The previous sibling element, or null if none exists
`boolean`	`isFirstChildElement(java.lang.Object element)`	returns true if this element is the first child element of its parent
`boolean`	`matchesElement(java.lang.Object element, java.lang.String namespaceURI, java.lang.String name)`	Returns `true` if `element` has the local name `name` and namespace URI `namespaceURI`.

- Field Detail
  - NO_NAMESPACE
```
static final java.lang.String NO_NAMESPACE
```
- Method Detail
  - getParentElement
```
java.lang.Object getParentElement(java.lang.Object element)
```
    returns the parent element of an element, or null if this was the root element
  - getElementName
```
java.lang.String getElementName(java.lang.Object element)
```
    returns the name of the element so that it may match against the selectors
  - getPreviousSiblingElement
```
java.lang.Object getPreviousSiblingElement(java.lang.Object node)
```
    The previous sibling element, or null if none exists
  - isFirstChildElement
```
boolean isFirstChildElement(java.lang.Object element)
```
    returns true if this element is the first child element of its parent
  - matchesElement
```
boolean matchesElement(java.lang.Object element,
                       java.lang.String namespaceURI,
                       java.lang.String name)
```
    Returns true if element has the local name name and namespace URI namespaceURI.
    
    Parameters:
    
    element -
    
    namespaceURI - The namespace to match, may be null to signify any namespace. Use NO_NAMESPACE to signify that name should only match when there is no namespace defined on element.
    
    name - The name to match, may not be null