hudson.util

Class Graph

java.lang.Object

hudson.util.Graph

public abstract class Graph
extends Object

A JFreeChart-generated graph that's bound to UI.

This object exposes two URLs:

/png

PNG image of a graph

/map

Clickable map

Since:

1.320

Author:

Kohsuke Kawaguchi

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Graph(Calendar timestamp, int defaultWidth, int defaultHeight)
protected	Graph(long timestamp, int defaultWidth, int defaultHeight)

Method Summary

Modifier and Type	Method and Description
protected abstract org.jfree.chart.JFreeChart	createGraph() Actually render a chart.
void	doMap(org.kohsuke.stapler.StaplerRequest req, org.kohsuke.stapler.StaplerResponse rsp) Renders a clickable map.
void	doPng(org.kohsuke.stapler.StaplerRequest req, org.kohsuke.stapler.StaplerResponse rsp) Renders a graph.
static Dimension	safeDimension(int width, int height, int defaultWidth, int defaultHeight)

Methods inherited from class java.lang.Object

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

Constructor Detail

Graph

protected Graph(long timestamp,
                int defaultWidth,
                int defaultHeight)

Parameters:

timestamp - Timestamp of this graph. Used for HTTP cache related headers. If the graph doesn't have any timestamp to tie it to, pass -1.

Graph

protected Graph(Calendar timestamp,
                int defaultWidth,
                int defaultHeight)

Method Detail

createGraph

protected abstract org.jfree.chart.JFreeChart createGraph()

Actually render a chart.

safeDimension

@Restricted(value=org.kohsuke.accmod.restrictions.NoExternalUse.class)
public static Dimension safeDimension(int width,
                                                                                                             int height,
                                                                                                             int defaultWidth,
                                                                                                             int defaultHeight)

doPng

public void doPng(org.kohsuke.stapler.StaplerRequest req,
                  org.kohsuke.stapler.StaplerResponse rsp)
           throws IOException

Renders a graph.

Throws:

IOException

doMap

public void doMap(org.kohsuke.stapler.StaplerRequest req,
                  org.kohsuke.stapler.StaplerResponse rsp)
           throws IOException

Renders a clickable map.

Throws:

IOException