Package org.apache.hadoop.hdfs.util

Class XMLUtils.Stanza

java.lang.Object

org.apache.hadoop.hdfs.util.XMLUtils.Stanza

Enclosing class:

XMLUtils

public static class XMLUtils.Stanza
extends Object

Represents a bag of key-value pairs encountered during parsing an XML file.

Constructor Summary

Constructors

Constructor	Description
Stanza()

Method Summary

Modifier and Type	Method	Description
void	addChild(String name, XMLUtils.Stanza child)	Add an entry to a stanza.
List<XMLUtils.Stanza>	getChildren(String name)	Pull an entry from a stanza.
String	getValue()
String	getValue(String name)	Pull a string entry from a stanza.
String	getValueOrNull(String name)	Pull a string entry from a stanza, or null.
boolean	hasChildren(String name)	Discover if a stanza has a given entry.
void	setValue(String value)
String	toString()	Convert a stanza to a human-readable string.

Methods inherited from class java.lang.Object

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

Constructor Details

Stanza

public Stanza()

Method Details

setValue

public void setValue(String value)

getValue

public String getValue()

hasChildren

public boolean hasChildren(String name)

Discover if a stanza has a given entry.

Parameters:

name - entry to look for

Returns:

true if the entry was found

getChildren

public List<XMLUtils.Stanza> getChildren(String name)
                                  throws XMLUtils.InvalidXmlException

Pull an entry from a stanza.

Parameters:

name - entry to look for

Returns:

the entry

Throws:

XMLUtils.InvalidXmlException

getValue

public String getValue(String name)
                throws XMLUtils.InvalidXmlException

Pull a string entry from a stanza.

Parameters:

name - entry to look for

Returns:

the entry

Throws:

XMLUtils.InvalidXmlException

getValueOrNull

public String getValueOrNull(String name)
                      throws XMLUtils.InvalidXmlException

Pull a string entry from a stanza, or null.

Parameters:

name - entry to look for

Returns:

the entry, or null if it was not found.

Throws:

XMLUtils.InvalidXmlException

addChild

public void addChild(String name,
 XMLUtils.Stanza child)

Add an entry to a stanza.

Parameters:

name - name of the entry to add

child - the entry to add

toString

public String toString()

Convert a stanza to a human-readable string.

Overrides:

toString in class Object