Package com.yahoo.config

Class StringNode

java.lang.Object

com.yahoo.config.Node

com.yahoo.config.LeafNode<String>

com.yahoo.config.StringNode

All Implemented Interfaces:

Cloneable

public class StringNode
extends LeafNode<String>

A StringNode class represents a string in a ConfigInstance.

Author:

larschr

Field Summary

Fields inherited from class com.yahoo.config.LeafNode

initialized, value

Constructor Summary

Constructors

Constructor	Description
StringNode()	Creates a new un-initialized StringNode.
StringNode(String value)	Creates a new StringNode, initialized to value.

Method Summary

Modifier and Type	Method	Description
protected boolean	doSetValue(String value)	Sets the value of this string from a the string representation of this value in the (escaped) input configuration.
String	getValue()	Subclasses must implement this, in compliance with the rules given in the return tag.
String	toString()	Subclasses must implement this, in compliance with the rules given in the return tag.
static String	unescapeQuotedString(String string)	Remove character escape codes.
String	value()	Returns the value of this string.

Methods inherited from class com.yahoo.config.LeafNode

clone, equals, hashCode, setValue

Methods inherited from class com.yahoo.config.Node

postInitialize

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

StringNode

public StringNode()

Creates a new un-initialized StringNode.

StringNode

public StringNode(String value)

Creates a new StringNode, initialized to value.

Parameters:

value - the value of this StringNode.

Method Detail

value

public String value()

Returns the value of this string. Same as getValue() since the value of this node is a String (but implementations in other LeafNode sub-classes differ).

Overrides:

value in class LeafNode<String>

Returns:

the string representation of this StringNode, or null if the vlaue is explicitly set to null

getValue

public String getValue()

Description copied from class: LeafNode

Subclasses must implement this, in compliance with the rules given in the return tag.

Specified by:

getValue in class LeafNode<String>

Returns:

the String representation of the node value, or the 'null' object if the node value is null.

toString

public String toString()

Description copied from class: LeafNode

Subclasses must implement this, in compliance with the rules given in the return tag.

Specified by:

toString in class LeafNode<String>

Returns:

the String representation of the node value, or the string "(null)" if the value is null.

unescapeQuotedString

public static String unescapeQuotedString(String string)

Remove character escape codes.

Parameters:

string - escaped string

Returns:

unescaped string

doSetValue

protected boolean doSetValue(String value)

Sets the value of this string from a the string representation of this value in the (escaped) input configuration. The value supplied to this method needs un-escaping and will be un-escaped.

Specified by:

doSetValue in class LeafNode<String>

Parameters:

value - the new value of this node.