Package org.apache.commons.modeler.util

Class DomUtil

java.lang.Object

org.apache.commons.modeler.util.DomUtil

public class DomUtil
extends Object

Few simple utils to read DOM

Author:

Costin Manolache

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DomUtil.NullResolver

Constructor Summary

Constructors

Constructor	Description
DomUtil()

Method Summary

Modifier and Type	Method	Description
static Node	findChildWithAtt(Node parent, String elemName, String attName, String attVal)	Find the first direct child with a given attribute.
static String	getAttribute(Node element, String attName)
static Node	getChild(Node parent, int type)	Get the first direct child with a given type
static Node	getChild(Node parent, String name)	Get the first element child.
static String	getChildContent(Node parent, String name)	Get the first child's content ( ie it's included TEXT node ).
static String	getContent(Node n)	Get the trimed text content of a node or null if there is no text
static Node	getNext(Node current)	Get the next sibling with the same name and type
static Node	getNext(Node current, String name, int type)	Return the next sibling with a given name and type
static Document	readXml(InputStream is)	Read XML as DOM.
static void	removeAttribute(Node node, String attName)
static void	setAttribute(Node node, String attName, String val)
static void	setAttributes(Object o, Node parent)
static void	setText(Node node, String val)	Set or replace the text value
static void	writeXml(Node n, OutputStream os)

Methods inherited from class java.lang.Object

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

Constructor Detail

DomUtil

public DomUtil()

Method Detail

getContent

public static String getContent(Node n)

Get the trimed text content of a node or null if there is no text

getChild

public static Node getChild(Node parent,
                            String name)

Get the first element child.

Parameters:

parent - lookup direct childs

name - name of the element. If null return the first element.

getAttribute

public static String getAttribute(Node element,
                                  String attName)

setAttribute

public static void setAttribute(Node node,
                                String attName,
                                String val)

removeAttribute

public static void removeAttribute(Node node,
                                   String attName)

setText

public static void setText(Node node,
                           String val)

Set or replace the text value

findChildWithAtt

public static Node findChildWithAtt(Node parent,
                                    String elemName,
                                    String attName,
                                    String attVal)

Find the first direct child with a given attribute.

Parameters:

parent -

elemName - name of the element, or null for any

attName - attribute we're looking for

attVal - attribute value or null if we just want any

getChildContent

public static String getChildContent(Node parent,
                                     String name)

Get the first child's content ( ie it's included TEXT node ).

getChild

public static Node getChild(Node parent,
                            int type)

Get the first direct child with a given type

getNext

public static Node getNext(Node current)

Get the next sibling with the same name and type

getNext

public static Node getNext(Node current,
                           String name,
                           int type)

Return the next sibling with a given name and type

setAttributes

public static void setAttributes(Object o,
                                 Node parent)

readXml

public static Document readXml(InputStream is)
                        throws SAXException,
                               IOException,
                               ParserConfigurationException

Read XML as DOM.

Throws:

SAXException

IOException

ParserConfigurationException

writeXml

public static void writeXml(Node n,
                            OutputStream os)
                     throws TransformerException

Throws:

TransformerException