jasi.sim.user.tree
Class Tree<T>

java.lang.Object
  jasi.sim.user.tree.Tree<T>

Type Parameters:

T - The type.

Direct Known Subclasses:

AbstractLispTree, OmtTree

public abstract class Tree<T>
extends java.lang.Object

Create a node tree from a Lisp string.

Field Summary

protected static int	CHILD Indicates a child node.
protected static int	ROOT Indicates a root node.
protected static int	SIBLING Indicates a sibling node.

Constructor Summary

Tree()

Method Summary

AbstractNode<T>	current() Get this tree's current node.
static <S> java.util.Collection<AbstractNode<S>>	get(java.util.Collection<AbstractNode<S>> nodeList, S content) Get all children of a given content for a list of nodes.
protected void	node(int type, T content) Create a node of a given type for the current node.
static java.lang.String	read(java.io.Reader reader) Create a string for tree from a given reader.
protected void	reduceLevel() Reduce the tree level.
AbstractNode<T>	root() Get this tree's root node.
java.lang.String	toString() Get string representation of this node.
static <S> java.lang.String	toString(java.util.Collection<AbstractNode<S>> nodeList) Get string representation of a list of nodes.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ROOT

protected static final int ROOT

Indicates a root node.

See Also:

Constant Field Values

CHILD

protected static final int CHILD

Indicates a child node.

See Also:

Constant Field Values

SIBLING

protected static final int SIBLING

Indicates a sibling node.

See Also:

Constant Field Values

Constructor Detail

Tree

public Tree()

Method Detail

read

public static java.lang.String read(java.io.Reader reader)
                             throws java.io.IOException

Create a string for tree from a given reader.

Parameters:

reader - The reader for the input.

Returns:

The input string for tree.

Throws:

java.io.IOException - If an I/O error occurs.

get

public static <S> java.util.Collection<AbstractNode<S>> get(java.util.Collection<AbstractNode<S>> nodeList,
                                                            S content)

Get all children of a given content for a list of nodes.

Type Parameters:

S - The type of node content.

Parameters:

nodeList - The list of nodes.

content - The content of the children.

Returns:

The children.

toString

public static <S> java.lang.String toString(java.util.Collection<AbstractNode<S>> nodeList)

Get string representation of a list of nodes.

Type Parameters:

S - The content type of node.

Parameters:

nodeList - The list of nodes.

Returns:

The string.

reduceLevel

protected final void reduceLevel()

Reduce the tree level.

node

protected final void node(int type,
                          T content)
                   throws TreeException

Create a node of a given type for the current node.

Parameters:

type - The node type.

content - The node's content.

Throws:

TreeException - Used invalid type.

root

public final AbstractNode<T> root()

Get this tree's root node.

Returns:

The root node or empty node.

current

public final AbstractNode<T> current()

Get this tree's current node.

Returns:

The root node.

toString

public java.lang.String toString()

Get string representation of this node.

Overrides:

toString in class java.lang.Object

Returns:

The string.