/* (non-Javadoc)
* @see com.googlecode.psiprobe.beans.DatasourceAccessor#getInfo(java.lang.Object)
*/
public DataSourceInfo getInfo(Object resource) throws Exception {
DataSourceInfo dataSourceInfo = null;
if (canMap(resource)) {
OracleDataSource source = (OracleDataSource) resource;
OracleConnectionCacheManager occm =
OracleConnectionCacheManager.getConnectionCacheManagerInstance();
Properties cacheProperties = source.getConnectionCacheProperties();
String cacheName = source.getConnectionCacheName();
cacheName = cacheName != null && occm.existsCache(cacheName) ? cacheName : null;
if (cacheProperties != null) {
dataSourceInfo = new DataSourceInfo();
if (cacheName != null) {
dataSourceInfo.setBusyConnections(occm.getNumberOfActiveConnections(cacheName));
dataSourceInfo.setEstablishedConnections(
occm.getNumberOfAvailableConnections(cacheName)
+ dataSourceInfo.getBusyConnections());
} else {
dataSourceInfo.setBusyConnections(0);
dataSourceInfo.setEstablishedConnections(0);
}
dataSourceInfo.setMaxConnections(Utils.toInt(cacheProperties.getProperty("MaxLimit"), -1));
dataSourceInfo.setJdbcUrl(source.getURL());
dataSourceInfo.setUsername(source.getUser());
dataSourceInfo.setResettable(true);
dataSourceInfo.setType("oracle-jdbc");
}
}
return dataSourceInfo;
}
@Override
protected ModelAndView handleRequestInternal(
HttpServletRequest request, HttpServletResponse response) throws Exception {
final int seriesMaxCount = 9; // the max number of series
// get Series Color from the request
int[] seriesColor = new int[seriesMaxCount];
seriesColor[0] = Utils.toIntHex(request.getParameter("s1c"), 0x9bd2fb);
seriesColor[1] = Utils.toIntHex(request.getParameter("s2c"), 0xFF0606);
for (int i = 2; i < seriesMaxCount; i++) {
seriesColor[i] = Utils.toIntHex(request.getParameter("s" + (i + 1) + "c"), -1);
}
// get Series Outline Color from the request
int[] seriesOutlineColor = new int[seriesMaxCount];
seriesOutlineColor[0] = Utils.toIntHex(request.getParameter("s1o"), 0x0665aa);
seriesOutlineColor[1] = Utils.toIntHex(request.getParameter("s2o"), 0x9d0000);
for (int i = 2; i < seriesMaxCount; i++) {
seriesOutlineColor[i] = Utils.toIntHex(request.getParameter("s" + (i + 1) + "o"), -1);
}
// background color
int backgroundColor = Utils.toIntHex(request.getParameter("bc"), 0xFFFFFF);
// grid color
int gridColor = Utils.toIntHex(request.getParameter("gc"), 0);
// X axis title
String labelX = ServletRequestUtils.getStringParameter(request, "xl", "");
// Y axis title
String labelY = ServletRequestUtils.getStringParameter(request, "yl", "");
// image width
int width = ServletRequestUtils.getIntParameter(request, "xz", 800);
// image height
int height = ServletRequestUtils.getIntParameter(request, "yz", 400);
// show legend?
boolean showLegend = ServletRequestUtils.getBooleanParameter(request, "l", true);
// Series provider
String provider = ServletRequestUtils.getStringParameter(request, "p", null);
// Chart type
String chartType = ServletRequestUtils.getStringParameter(request, "ct", "area");
DefaultTableXYDataset ds = new DefaultTableXYDataset();
if (provider != null) {
Object series = getApplicationContext().getBean(provider);
if (series instanceof SeriesProvider) {
((SeriesProvider) series).populate(ds, statsCollection, request);
} else {
logger.error(
"SeriesProvider \"" + provider + "\" does not implement " + SeriesProvider.class);
}
}
// Build series data from the give statistic
JFreeChart chart = null;
if ("area".equals(chartType)) {
chart =
ChartFactory.createXYAreaChart(
"", labelX, labelY, ds, PlotOrientation.VERTICAL, showLegend, false, false);
((XYAreaRenderer) chart.getXYPlot().getRenderer()).setOutline(true);
} else if ("stacked".equals(chartType)) {
chart =
ChartFactory.createStackedXYAreaChart(
"", labelX, labelY, ds, PlotOrientation.VERTICAL, showLegend, false, false);
} else if ("line".equals(chartType)) {
chart =
ChartFactory.createXYLineChart(
"", labelX, labelY, ds, PlotOrientation.VERTICAL, showLegend, false, false);
final XYLine3DRenderer renderer = new XYLine3DRenderer();
renderer.setDrawOutlines(true);
renderer.setLinesVisible(true);
renderer.setShapesVisible(true);
renderer.setStroke(new BasicStroke(2));
renderer.setXOffset(1);
renderer.setYOffset(1);
chart.getXYPlot().setRenderer(renderer);
}
if (chart != null) {
chart.setAntiAlias(true);
chart.setBackgroundPaint(new Color(backgroundColor));
for (int i = 0; i < seriesMaxCount; i++) {
if (seriesColor[i] >= 0) {
chart.getXYPlot().getRenderer().setSeriesPaint(i, new Color(seriesColor[i]));
}
if (seriesOutlineColor[i] >= 0) {
chart
.getXYPlot()
.getRenderer()
.setSeriesOutlinePaint(i, new Color(seriesOutlineColor[i]));
}
}
chart.getXYPlot().setDomainGridlinePaint(new Color(gridColor));
chart.getXYPlot().setRangeGridlinePaint(new Color(gridColor));
chart.getXYPlot().setDomainAxis(0, new DateAxis());
chart.getXYPlot().setDomainAxis(1, new DateAxis());
chart.getXYPlot().setInsets(new RectangleInsets(-15, 0, 0, 10));
response.setHeader("Content-type", "image/png");
response
.getOutputStream()
.write(ChartUtilities.encodeAsPNG(chart.createBufferedImage(width, height)));
}
return null;
}
protected long getPreviousValue(String name) {
Long l = (Long) previousValues.get(name);
return Utils.toLong(l, DEFAULT_VALUE);
}
protected long getThreshold(String name) {
String threshold = getPropertyValue(name, "threshold");
return Utils.toLong(threshold, DEFAULT_THRESHOLD);
}