@Override
public void sendContent(
OutputStream out, Range range, Map<String, String> params, String contentType)
throws IOException, BadRequestException {
WorkbenchState state = WorkbenchState.instance(SessionContext.current());
IMap map = state.getMap();
try {
JSONObject json = new JSONObject();
json.put("width", -1);
json.put("height", -1);
ReferencedEnvelope extent = map.getExtent();
json.put("minX", extent.getMinX());
json.put("minY", extent.getMinY());
json.put("maxX", extent.getMaxX());
json.put("maxY", extent.getMaxY());
out.write(json.toString(4).getBytes("UTF-8"));
} catch (JSONException e) {
throw new RuntimeException(e);
}
}
@Override
public void sendContent(
OutputStream out, Range range, Map<String, String> params, String contentType)
throws IOException, BadRequestException {
WorkbenchState state = WorkbenchState.instance(SessionContext.current());
try {
FeatureCollection features = state.getSelectedFeatures();
if (features != null) {
FeatureJSON encoder = new FeatureJSON();
encoder.setEncodeFeatureBounds(false);
encoder.setEncodeFeatureCollectionBounds(false);
encoder.setEncodeFeatureCollectionCRS(false);
encoder.setEncodeFeatureCRS(false);
encoder.writeFeatureCollection(features, out);
} else {
out.write("{\"type\": \"FeatureCollection\",\"features\": []}".getBytes("UTF-8"));
}
} catch (Exception e) {
log.debug("", e);
throw new RuntimeException(e);
}
}
@Override
public void sendContent(
OutputStream out, Range range, final Map<String, String> params, String rContentType)
throws IOException, BadRequestException {
final int width = params.containsKey("width") ? Integer.parseInt(params.get("width")) : 300;
final int height =
params.containsKey("height") ? Integer.parseInt(params.get("height")) : 300;
List<Job> jobs = new ArrayList();
final Map<ILayer, Image> images = new HashMap();
// run jobs for all layers
WorkbenchState state = WorkbenchState.instance(SessionContext.current());
final IMap map = state.getMap();
if (map != null) {
for (final ILayer layer : map.getLayers()) {
if (layer.isVisible()) {
UIJob job =
new UIJob(getClass().getSimpleName() + ": " + layer.getLabel()) {
protected void runWithException(IProgressMonitor monitor) throws Exception {
try {
IGeoResource res = layer.getGeoResource();
if (res == null) {
throw new RuntimeException(
"Unable to find geo resource of layer: " + layer);
}
IService service = res.service(null);
Pipeline pipeline =
pipelineIncubator.newPipeline(
LayerUseCase.IMAGE, layer.getMap(), layer, service);
if (pipeline.length() == 0) {
throw new RuntimeException(
"Unable to build processor pipeline for layer: " + layer);
}
// processor request
GetMapRequest request =
new GetMapRequest(
null, // layers
map.getCRSCode(),
map.getExtent(),
contentType,
width,
height,
-1);
// process request
pipeline.process(
request,
new ResponseHandler() {
public void handle(ProcessorResponse pipeResponse) throws Exception {
Image image = ((ImageResponse) pipeResponse).getImage();
images.put(layer, image);
}
});
} catch (Exception e) {
// XXX put a special image in the map
log.warn("", e);
images.put(layer, null);
throw e;
}
}
};
jobs.add(job);
job.schedule();
}
}
// join jobs
for (Job job : jobs) {
try {
job.join();
} catch (InterruptedException e) {
// XXX put a special image in the map
log.warn("", e);
}
}
}
// put images together (MapContext order)
Graphics2D g = null;
try {
// create image
BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
g = result.createGraphics();
// rendering hints
RenderingHints hints =
new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
hints.add(
new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON));
hints.add(
new RenderingHints(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
g.setRenderingHints(hints);
if (map == null) {
g.setFont(new Font("Serif", Font.PLAIN, 14));
g.setColor(Color.RED);
g.drawString("Melden Sie sich in der Workbench an, um hier eine Karte zu sehen!", 50, 50);
}
// FIXME honor layer.getOrderKey()
for (Map.Entry<ILayer, Image> entry : images.entrySet()) {
int rule = AlphaComposite.SRC_OVER;
float alpha = ((float) entry.getKey().getOpacity()) / 100;
g.setComposite(AlphaComposite.getInstance(rule, alpha));
g.drawImage(entry.getValue(), 0, 0, null);
}
// encode image
encodeImage(result, out);
} finally {
if (g != null) {
g.dispose();
}
}
}
@Override
public Date getModifiedDate() {
WorkbenchState state = WorkbenchState.instance(SessionContext.current());
return state.getMapModified();
}
