File	Doc	Category	Size	Date	Package
TreeNode.java	API Doc	Apache Tomcat 6.0.14	9240	Fri Jul 20 04:20:32 BST 2007	org.apache.jasper.xmlparser

TreeNode

• java.lang.Object

Fields Summary
protected HashMap	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	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.

Constructors Summary
public TreeNode(String name) Construct a new node with no parent. param name The name of this node this(name, null);
public TreeNode(String name, TreeNode parent) Construct a new node with the specified parent. param name The name of this node param parent The node that is the parent of this node super(); this.name = name; this.parent = parent; if (this.parent != null) this.parent.addChild(this);

Methods Summary
public void	addAttribute(java.lang.String name, java.lang.String value) Add an attribute to this node, replacing any existing attribute with the same name. param name The attribute name to add param value The new attribute value // --------------------------------------------------------- Public Methods if (attributes == null) attributes = new HashMap(); attributes.put(name, value);
public void	addChild(org.apache.jasper.xmlparser.TreeNode node) Add a new child node to this node. param node The new child node if (children == null) children = new ArrayList(); children.add(node);
public java.lang.String	findAttribute(java.lang.String name) Return the value of the specified node attribute if it exists, or null otherwise. param name Name of the requested attribute if (attributes == null) return (null); else return ((String) attributes.get(name));
public java.util.Iterator	findAttributes() Return an Iterator of the attribute names of this node. If there are no attributes, an empty Iterator is returned. if (attributes == null) return (Collections.EMPTY_LIST.iterator()); else return (attributes.keySet().iterator());
public org.apache.jasper.xmlparser.TreeNode	findChild(java.lang.String name) Return the first child node of this node with the specified name, if there is one; otherwise, return null. param name Name of the desired child element if (children == null) return (null); Iterator items = children.iterator(); while (items.hasNext()) { TreeNode item = (TreeNode) items.next(); if (name.equals(item.getName())) return (item); } return (null);
public java.util.Iterator	findChildren() Return an Iterator of all children of this node. If there are no children, an empty Iterator is returned. if (children == null) return (Collections.EMPTY_LIST.iterator()); else return (children.iterator());
public java.util.Iterator	findChildren(java.lang.String name) Return an Iterator over all children of this node that have the specified name. If there are no such children, an empty Iterator is returned. param name Name used to select children if (children == null) return (Collections.EMPTY_LIST.iterator()); ArrayList results = new ArrayList(); Iterator items = children.iterator(); while (items.hasNext()) { TreeNode item = (TreeNode) items.next(); if (name.equals(item.getName())) results.add(item); } return (results.iterator());
public java.lang.String	getBody() Return the body text associated with this node (if any). return (this.body);
public java.lang.String	getName() Return the name of this node. return (this.name);
public void	removeAttribute(java.lang.String name) Remove any existing value for the specified attribute name. param name The attribute name to remove if (attributes != null) attributes.remove(name);
public void	removeNode(org.apache.jasper.xmlparser.TreeNode node) Remove a child node from this node, if it is one. param node The child node to remove if (children != null) children.remove(node);
public void	setBody(java.lang.String body) Set the body text associated with this node (if any). param body The body text (if any) this.body = body;
public java.lang.String	toString() Return a String representation of this TreeNode. StringBuffer sb = new StringBuffer(); toString(sb, 0, this); return (sb.toString());
protected void	toString(java.lang.StringBuffer sb, int indent, org.apache.jasper.xmlparser.TreeNode node) Append to the specified StringBuffer a character representation of this node, with the specified amount of indentation. param sb The StringBuffer to append to param indent Number of characters of indentation param node The TreeNode to be printed int indent2 = indent + 2; // Reconstruct an opening node for (int i = 0; i < indent; i++) sb.append(' "); sb.append('<"); sb.append(node.getName()); Iterator names = node.findAttributes(); while (names.hasNext()) { sb.append(' "); String name = (String) names.next(); sb.append(name); sb.append("=\""); String value = node.findAttribute(name); sb.append(value); sb.append("\""); } sb.append(">\n"); // Reconstruct the body text of this node (if any) String body = node.getBody(); if ((body != null) && (body.length() > 0)) { for (int i = 0; i < indent2; i++) sb.append(' "); sb.append(body); sb.append("\n"); } // Reconstruct child nodes with extra indentation Iterator children = node.findChildren(); while (children.hasNext()) { TreeNode child = (TreeNode) children.next(); toString(sb, indent2, child); } // Reconstruct a closing node marker for (int i = 0; i < indent; i++) sb.append(' "); sb.append("</"); sb.append(node.getName()); sb.append(">\n");