Package de.undercouch.citeproc.helper

Class NodeHelper

java.lang.Object

de.undercouch.citeproc.helper.NodeHelper

public class NodeHelper
extends Object

Helper methods related to XML Nodes

Author:

Michel Kraemer

Constructor Summary

Constructors

Constructor	Description
NodeHelper()

Method Summary

Modifier and Type	Method	Description
static Node	findDirectChild(Node node, String name)	Iterate through the direct children of the given parent node and find the child with the given name
static String	getAttrValue(Node node, String attrName)	Gets an attribute value from a node
static boolean	getAttrValueBool(Node node, String attrName, boolean defaultValue)	Gets an attribute value from a node and parses it to a boolean
static Integer	getAttrValueInt(Node node, String attrName, Integer defaultValue)	Gets an attribute value from a node and parses it to an integer

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeHelper

public NodeHelper()

Method Detail

getAttrValue

public static String getAttrValue(Node node,
                                  String attrName)

Gets an attribute value from a node

Parameters:

node - the node

attrName - the name of the attribute

Returns:

the attribute or null if the attribute does not exist

getAttrValueInt

public static Integer getAttrValueInt(Node node,
                                      String attrName,
                                      Integer defaultValue)
                               throws NumberFormatException

Gets an attribute value from a node and parses it to an integer

Parameters:

node - the node

attrName - the name of the attribute

defaultValue - an optional default value to return if the attribute does not exist

Returns:

the attribute's value or the default value

Throws:

NumberFormatException

getAttrValueBool

public static boolean getAttrValueBool(Node node,
                                       String attrName,
                                       boolean defaultValue)

Gets an attribute value from a node and parses it to a boolean

Parameters:

node - the node

attrName - the name of the attribute

defaultValue - an optional default value to return if the attribute does not exist

Returns:

the attribute's value or the default value

findDirectChild

public static Node findDirectChild(Node node,
                                   String name)

Iterate through the direct children of the given parent node and find the child with the given name

Parameters:

node - the parent node

name - the child's name

Returns:

the child or null if there is no child with the given name