/**
* Returns whether the enable trend graph link should be shown.
*
* @param request the request to get the cookie from
* @return the graph configuration
*/
public boolean canShowEnableTrendLink(final StaplerRequest request) {
GraphConfigurationView configuration = createUserConfiguration(request);
if (configuration.hasMeaningfulGraph()) {
return !configuration.isDeactivated() && !configuration.isVisible();
}
return false;
}
/**
* Returns the configured trend graph.
*
* @param request Stapler request
* @param response Stapler response
* @return the trend graph
*/
public Graph getTrendGraph(final StaplerRequest request, final StaplerResponse response) {
GraphConfigurationView configuration = createUserConfiguration(request);
if (configuration.hasMeaningfulGraph()) {
return configuration.getGraphRenderer(getUrlName());
} else {
BuildResultGraph graphType = configuration.getGraphType();
try {
response.sendRedirect2(request.getContextPath() + graphType.getExampleImage());
} catch (IOException exception) {
LOGGER.log(Level.SEVERE, "Can't create graph: " + graphType, exception);
}
return null;
}
}
/**
* Returns whether the trend graph is visible.
*
* @param request the request to get the cookie from
* @return <code>true</code> if the trend is visible
*/
public boolean isTrendVisible(final StaplerRequest request) {
GraphConfigurationView configuration = createUserConfiguration(request);
return configuration.isVisible() && configuration.hasMeaningfulGraph();
}