Package org.jfree.data.xml
Class ItemHandler
- java.lang.Object
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- org.xml.sax.helpers.DefaultHandler
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- org.jfree.data.xml.ItemHandler
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- All Implemented Interfaces:
DatasetTags
,org.xml.sax.ContentHandler
,org.xml.sax.DTDHandler
,org.xml.sax.EntityResolver
,org.xml.sax.ErrorHandler
public class ItemHandler extends org.xml.sax.helpers.DefaultHandler implements DatasetTags
A handler for reading key-value items.
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Field Summary
Fields Modifier and Type Field Description private java.lang.Comparable
key
The key.private org.xml.sax.helpers.DefaultHandler
parent
The parent handler (can be the same as root, but not always).private RootHandler
root
The root handler.private java.lang.Number
value
The value.-
Fields inherited from interface org.jfree.data.xml.DatasetTags
CATEGORYDATASET_TAG, ITEM_TAG, KEY_TAG, PIEDATASET_TAG, SERIES_TAG, VALUE_TAG
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Constructor Summary
Constructors Constructor Description ItemHandler(RootHandler root, org.xml.sax.helpers.DefaultHandler parent)
Creates a new item handler.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
endElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName)
The end of an element.java.lang.Comparable
getKey()
Returns the key that has been read by the handler, ornull
.java.lang.Number
getValue()
Returns the key that has been read by the handler, ornull
.void
setKey(java.lang.Comparable key)
Sets the key.void
setValue(java.lang.Number value)
Sets the value.void
startElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes atts)
The start of an element.
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Field Detail
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root
private RootHandler root
The root handler.
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parent
private org.xml.sax.helpers.DefaultHandler parent
The parent handler (can be the same as root, but not always).
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key
private java.lang.Comparable key
The key.
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value
private java.lang.Number value
The value.
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Constructor Detail
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ItemHandler
public ItemHandler(RootHandler root, org.xml.sax.helpers.DefaultHandler parent)
Creates a new item handler.- Parameters:
root
- the root handler.parent
- the parent handler.
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Method Detail
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getKey
public java.lang.Comparable getKey()
Returns the key that has been read by the handler, ornull
.- Returns:
- The key.
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setKey
public void setKey(java.lang.Comparable key)
Sets the key.- Parameters:
key
- the key.
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getValue
public java.lang.Number getValue()
Returns the key that has been read by the handler, ornull
.- Returns:
- The value.
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setValue
public void setValue(java.lang.Number value)
Sets the value.- Parameters:
value
- the value.
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startElement
public void startElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes atts) throws org.xml.sax.SAXException
The start of an element.- Specified by:
startElement
in interfaceorg.xml.sax.ContentHandler
- Overrides:
startElement
in classorg.xml.sax.helpers.DefaultHandler
- Parameters:
namespaceURI
- the namespace.localName
- the element name.qName
- the element name.atts
- the attributes.- Throws:
org.xml.sax.SAXException
- for errors.
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endElement
public void endElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName)
The end of an element.- Specified by:
endElement
in interfaceorg.xml.sax.ContentHandler
- Overrides:
endElement
in classorg.xml.sax.helpers.DefaultHandler
- Parameters:
namespaceURI
- the namespace.localName
- the element name.qName
- the element name.
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