org.cip4.lib.xjdf.xml.internal

Class AbstractXPathNavigator

java.lang.Object

org.cip4.lib.xjdf.xml.internal.AbstractXPathNavigator

Direct Known Subclasses:

XJdfNavigator

public abstract class AbstractXPathNavigator
extends Object

Abstract Navigator class which simplify XPath handling using XML Documents.

Author:

s.meissner

Field Summary

Fields

Modifier and Type	Field and Description
protected Document	xmlDocument
protected XPath	xPath

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractXPathNavigator(InputStream xmlStream) Private default constructor.

Method Summary

Methods

Modifier and Type	Method and Description
InputStream	getXmlStream() Return the XML Document as input stream.
String	readAttribute(String xPath) Read attribute from XML Document using XPath.
void	updateAttribute(String xPath, String value) Update attribute in XML Document.

Methods inherited from class java.lang.Object

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

Field Detail

xPath

protected final XPath xPath

xmlDocument

protected final Document xmlDocument

Constructor Detail

AbstractXPathNavigator

protected AbstractXPathNavigator(InputStream xmlStream)
                          throws Exception

Private default constructor.

Throws:

IOException

Exception

Method Detail

readAttribute

public String readAttribute(String xPath)
                     throws XPathExpressionException

Read attribute from XML Document using XPath.

Parameters:

xPath - XPath expression of attribute to read.

Returns:

Value of attribute as String.

Throws:

XPathExpressionException - Is being thrown in case an exception occurs.

updateAttribute

public void updateAttribute(String xPath,
                   String value)
                     throws Exception

Update attribute in XML Document.

Parameters:

xPath - XPath expression of attribute to read.

Throws:

Exception - Is being thrown in case an exception occurs.

getXmlStream

public InputStream getXmlStream()
                         throws Exception

Return the XML Document as input stream.

Returns:

XML document as input stream.

Throws:

Exception