de.laures.cewolf
Interface ChartPostProcessor
- All Known Implementing Classes:
- ColorTag, PointTag, RotatedAxisLabels
public interface ChartPostProcessor
Postprocesses a generated chart instance. Objects of this class can be used to
customize a generated and afterwards rendered chart instance additionally.
To provide a postprocessor the <chartpostprocessor> tag is used.
There can be an unlimited number of postprocessors registered.
- Author:
- Guido Laures
- See Also:
ChartPostProcessorTag
Method Summary |
void |
processChart(java.lang.Object chart,
java.util.Map params)
Processes a generated chart. |
processChart
void processChart(java.lang.Object chart,
java.util.Map params)
- Processes a generated chart. This method is called by the ChartProducer
after a chart instance is generated and before it is rendered (if so).
The ChartProducer is responsible for post processing a chart dependant
on and only on the provided parameters. This means that the same parameters
should result in the same post processings.
- Parameters:
chart
- the chart instnce. Concrete class depends on the rendering
implementation. Currently a org.jfree.chart.JFreeChart is passed.params
- paramters passed to the postprocessor. These are defined in the JSP- See Also:
ChartPostProcessorTag
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