public class TreeNode extends Object
org.w3c.dom
need
not be visible to the remainder of Jasper.
WARNING - Construction of a new tree, or modifications to an existing one, are not thread-safe and such accesses must be synchronized.
Modifier and Type | Field | Description |
---|---|---|
protected HashMap<String,String> |
attributes |
The attributes of this node, keyed by attribute name,
Instantiated only if required.
|
protected String |
body |
The body text associated with this node (if any).
|
protected ArrayList<TreeNode> |
children |
The children of this node, instantiated only if required.
|
protected String |
name |
The name of this node.
|
protected TreeNode |
parent |
The parent node of this node.
|
Constructor | Description |
---|---|
TreeNode(String name) |
Construct a new node with no parent.
|
TreeNode(String name,
TreeNode parent) |
Construct a new node with the specified parent.
|
Modifier and Type | Method | Description |
---|---|---|
void |
addAttribute(String name,
String value) |
Add an attribute to this node, replacing any existing attribute
with the same name.
|
void |
addChild(TreeNode node) |
Add a new child node to this node.
|
String |
findAttribute(String name) |
Return the value of the specified node attribute if it exists, or
null otherwise. |
Iterator<String> |
findAttributes() |
Return an Iterator of the attribute names of this node.
|
TreeNode |
findChild(String name) |
Return the first child node of this node with the specified name,
if there is one; otherwise, return
null . |
Iterator<TreeNode> |
findChildren() |
Return an Iterator of all children of this node.
|
Iterator<TreeNode> |
findChildren(String name) |
Return an Iterator over all children of this node that have the
specified name.
|
String |
getBody() |
Return the body text associated with this node (if any).
|
String |
getName() |
Return the name of this node.
|
void |
removeAttribute(String name) |
Remove any existing value for the specified attribute name.
|
void |
removeNode(TreeNode node) |
Remove a child node from this node, if it is one.
|
void |
setBody(String body) |
Set the body text associated with this node (if any).
|
String |
toString() |
Return a String representation of this TreeNode.
|
protected void |
toString(StringBuilder sb,
int indent,
TreeNode node) |
Append to the specified StringBuilder a character representation of
this node, with the specified amount of indentation.
|
protected HashMap<String,String> attributes
protected String body
protected ArrayList<TreeNode> children
protected String name
protected TreeNode parent
public TreeNode(String name)
name
- The name of this nodepublic void addAttribute(String name, String value)
name
- The attribute name to addvalue
- The new attribute valuepublic void addChild(TreeNode node)
node
- The new child nodepublic String findAttribute(String name)
null
otherwise.name
- Name of the requested attributepublic Iterator<String> findAttributes()
public TreeNode findChild(String name)
null
.name
- Name of the desired child elementpublic Iterator<TreeNode> findChildren()
public Iterator<TreeNode> findChildren(String name)
name
- Name used to select childrenpublic String getBody()
public String getName()
public void removeAttribute(String name)
name
- The attribute name to removepublic void removeNode(TreeNode node)
node
- The child node to removepublic void setBody(String body)
body
- The body text (if any)public String toString()
protected void toString(StringBuilder sb, int indent, TreeNode node)
sb
- The StringBuilder to append toindent
- Number of characters of indentationnode
- The TreeNode to be printedCopyright © 2019 Oracle. All rights reserved.