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 and 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 and Description |
|---|
TreeNode(String name,
TreeNode parent)
Construct a new node with the specified parent.
|
| Modifier and Type | Method and 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 |
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 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 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 © 2000-2020 Apache Software Foundation. All Rights Reserved.