Package org.jfree.data.xml
Class CategoryDatasetHandler
- java.lang.Object
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- org.xml.sax.helpers.DefaultHandler
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- org.jfree.data.xml.RootHandler
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- org.jfree.data.xml.CategoryDatasetHandler
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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 CategoryDatasetHandler extends RootHandler implements DatasetTags
A SAX handler for reading aCategoryDataset
from an XML file.
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Field Summary
Fields Modifier and Type Field Description private DefaultCategoryDataset
dataset
The dataset under construction.-
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 CategoryDatasetHandler()
Creates a new handler.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addItem(java.lang.Comparable rowKey, java.lang.Comparable columnKey, java.lang.Number value)
Adds an item to the dataset.void
endElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName)
The end of an element.CategoryDataset
getDataset()
Returns the dataset.void
startElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes atts)
The start of an element.-
Methods inherited from class org.jfree.data.xml.RootHandler
characters, getCurrentHandler, getSubHandlers, popSubHandler, pushSubHandler
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Field Detail
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dataset
private DefaultCategoryDataset dataset
The dataset under construction.
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Method Detail
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getDataset
public CategoryDataset getDataset()
Returns the dataset.- Returns:
- The dataset.
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addItem
public void addItem(java.lang.Comparable rowKey, java.lang.Comparable columnKey, java.lang.Number value)
Adds an item to the dataset.- Parameters:
rowKey
- the row key.columnKey
- the column key.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 element 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) throws org.xml.sax.SAXException
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.- Throws:
org.xml.sax.SAXException
- for errors.
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