/**
* Create the list of shape descriptors form the xml
*
* @return List of shape descriptors
*/
public List getShapeDescriptors() {
if (shapeDescriptors == null) {
shapeDescriptors = new ArrayList();
List sds = shapeDescriptors;
XmlResourceCollection symbolTypes = smm.symbolTypes;
for (int i = 0; i < symbolTypes.size(); i++) {
Element root = symbolTypes.getRoot(i);
if (root == null) {
continue;
}
XmlNodeList symbols = XmlUtil.getElements(root, TAG_SYMBOL);
for (int j = 0; j < symbols.size(); j++) {
final Element symbolNode = (Element) symbols.item(j);
ShapeDescriptor sd =
new ShapeDescriptor(
XmlUtil.getAttribute(symbolNode, ATTR_CLASS),
XmlUtil.getAttribute(symbolNode, ATTR_NAME),
XmlUtil.getAttribute(
symbolNode, ATTR_ICON, "/ucar/unidata/ui/symbol/images/default.gif"),
XmlUtil.getAttribute(symbolNode, ATTR_ATTRS, "")) {
public void initializeGlyph(Glyph g) {
super.initializeGlyph(g);
initializeGlyphFromXml(g, symbolNode);
}
};
sds.add(sd);
}
}
}
return shapeDescriptors;
}
/** Read in the resource xml files and store the URL maps */
private void readVariableRenameResources() {
for (int varRemapResourceIdx = 0;
varRemapResourceIdx < varmapResourceCollection.size();
varRemapResourceIdx++) {
Element root = this.varmapResourceCollection.getRoot(varRemapResourceIdx, false);
if (root == null) {
continue;
}
List nodes = XmlUtil.findChildren(root, TAG_VARRENAMER);
for (Object node1 : nodes) {
Element node = (Element) node1;
String oldVar = XmlUtil.getAttribute(node, "old");
String newVar = XmlUtil.getAttribute(node, "new");
if (!this.varMaps.containsKey(oldVar)) {
List<String> tmpList = new ArrayList<String>();
tmpList.add(newVar);
varMaps.put(oldVar, tmpList);
} else {
List<String> tmpList = varMaps.get(oldVar);
tmpList.add(newVar);
varMaps.put(oldVar, tmpList);
}
}
}
}
/**
* Process the categories specified in the XML.
*
* @param root root element for the XML
*/
private static void processCategories(Element root) {
List children = XmlUtil.findChildren(root, TAG_CATEGORY);
for (int i = 0; i < children.size(); i++) {
Element child = (Element) children.get(i);
String name = XmlUtil.getAttribute(child, ATTR_NAME);
String value = XmlUtil.getAttribute(child, ATTR_DESC);
if (allCategoriesMap.get(name) == null) {
allCategories.add(name);
allCategoriesMap.put(name, value);
}
}
}
/**
* Generate a user interface from the given xml document (derived from the given path). The xml
* can be a thredds query capability, any verion of a thredds catalog or an IDV menus xml file.
*
* @param doc the xml document
* @param xmlRoot The root of the xml document to create a display for.
* @param path The url path we got the xml from.
*/
protected void makeUi(Document doc, Element xmlRoot, String path) {
this.document = doc;
setHaveData(false);
if (xmlRoot == null) {
return;
}
setSelected(path);
XmlHandler handler = null;
String tagName = XmlUtil.getLocalName(xmlRoot);
if (tagName.equals(WmsUtil.TAG_WMS1) || tagName.equals(WmsUtil.TAG_WMS2)) {
handler = new WmsHandler(this, xmlRoot, path);
} else if (tagName.equals(TAG_ERROR)) {
final String error = XmlUtil.getAttribute(xmlRoot, "label", "Error");
LogUtil.userErrorMessage("Error: " + error);
return;
} else if (tagName.equals(CatalogUtil.TAG_CATALOG)) {
handler = new ThreddsHandler(this, xmlRoot, path);
} else if (tagName.equals("menus")) {
handler = new MenuHandler(this, xmlRoot, path);
} else {
throw new IllegalArgumentException(
"Unknown xml:"
+ ((xmlContents.length() > 100) ? xmlContents.substring(0, 100) : xmlContents)
+ " ...");
}
JComponent contents = handler.getContents();
contents.setPreferredSize(new Dimension(200, 250));
addToContents(contents);
addToHistory(handler);
updateStatus();
}
/**
* Create the <code>XmlChooser</code>
*
* @param mgr The <code>IdvChooserManager</code>
* @param root The xml root that defines this chooser
*/
public XmlChooser(IdvChooserManager mgr, Element root) {
super(mgr, root);
initialUrlPath = ((chooserNode != null) ? XmlUtil.getAttribute(chooserNode, ATTR_URL, "") : "");
}
/**
* Read the xml format
*
* @param name filename or url
* @param iStream input stream
* @return List of point sets
*/
private List doReadXml(String name, InputStream iStream) {
List sets = new ArrayList();
try {
if (iStream == null) {
iStream = IOUtil.getInputStream(name);
}
String xml = IOUtil.readContents(iStream);
Element root = XmlUtil.getRoot(xml);
if (root == null) {
return sets;
}
NodeList elements = XmlUtil.getElements(root);
for (int i = 0; i < elements.getLength(); i++) {
Element child = (Element) elements.item(i);
if (!XmlUtil.hasAttribute(child, ATTR_POINTS)) {
continue;
}
double[] points = Misc.parseDoubles(XmlUtil.getAttribute(child, ATTR_POINTS));
boolean isRect = false;
if (!child.getTagName().equals(TAG_POLYGON)) {
if (child.getTagName().equals(ShapeGlyph.TAG_SHAPE)) {
if (XmlUtil.getAttribute(child, ShapeGlyph.ATTR_SHAPETYPE)
.toLowerCase()
.equals("rectangle")) {
isRect = true;
} else {
continue;
}
} else {
continue;
}
}
if (XmlUtil.hasAttribute(child, "coordtype")) {
String coord = XmlUtil.getAttribute(child, "coordtype");
if (!coord.startsWith("LATLON")) {
continue;
}
if (coord.equals("LATLONALT")) {
double[] tmp = new double[2 * points.length / 3];
int tmpCnt = 0;
for (int ptIdx = 0; ptIdx < points.length; ptIdx += 3) {
tmp[tmpCnt++] = points[ptIdx];
tmp[tmpCnt++] = points[ptIdx + 1];
}
points = tmp;
}
}
RealTupleType coordMathType = new RealTupleType(RealType.Longitude, RealType.Latitude);
float[][] part = new float[2][points.length / 2];
for (int ptIdx = 0; ptIdx < points.length / 2; ptIdx++) {
part[1][ptIdx] = (float) points[ptIdx * 2];
part[0][ptIdx] = (float) points[ptIdx * 2 + 1];
}
if (isRect) {
part = ShapeGlyph.makeRectangle(part);
}
MapSet mapSet =
new MapSet(
coordMathType,
part,
part[0].length,
(CoordinateSystem) null,
(Unit[]) null,
(ErrorEstimate[]) null,
false /* no copy */);
sets.add(mapSet);
}
} catch (Exception exc) {
exc.printStackTrace();
}
return sets;
}
/**
* Create the param infos from the given xml root
*
* @param root The xml root
* @return List of param infos
*/
private List createParamInfoList(Element root) {
List infos = new ArrayList();
if (!root.getTagName().equals(TAG_PARAMS)) {
try {
Object obj = getIdv().getEncoderForRead().toObject(root);
if (obj instanceof List) {
infos.addAll((List) obj);
} else {
System.err.println("Unknown object type: " + obj.getClass().getName());
}
} catch (Exception exc) {
System.err.println("Error reading param defaults");
}
return infos;
}
List nodes = XmlUtil.findChildren(root, TAG_PARAM);
for (int i = 0; i < nodes.size(); i++) {
Element child = (Element) nodes.get(i);
Range range = null;
Unit displayUnit = null;
ContourInfo contourInfo = null;
String paramName = XmlUtil.getAttribute(child, ATTR_NAME);
String colorTableName = XmlUtil.getAttribute(child, ATTR_COLORTABLE, (String) null);
String range_min = XmlUtil.getAttribute(child, ATTR_RANGE_MIN, (String) null);
String range_max = XmlUtil.getAttribute(child, ATTR_RANGE_MAX, (String) null);
String unitName = XmlUtil.getAttribute(child, ATTR_UNIT, (String) null);
String ci_interval = XmlUtil.getAttribute(child, ATTR_CI_INTERVAL, (String) null);
String ci_base = XmlUtil.getAttribute(child, ATTR_CI_BASE, (String) null);
String ci_min = XmlUtil.getAttribute(child, ATTR_CI_MIN, range_min);
String ci_max = XmlUtil.getAttribute(child, ATTR_CI_MAX, range_max);
boolean ci_dash = XmlUtil.getAttribute(child, ATTR_CI_DASH, DFLT_CI_DASH);
boolean ci_label = XmlUtil.getAttribute(child, ATTR_CI_LABEL, DFLT_CI_LABEL);
String ci_width = XmlUtil.getAttribute(child, ATTR_CI_WIDTH, String.valueOf(DFLT_CI_WIDTH));
if (unitName != null) {
try {
displayUnit = ucar.visad.Util.parseUnit(unitName);
} catch (Exception e) {
LogUtil.printException(log_, "Creating unit: " + unitName, e);
}
}
if ((ci_interval != null) || (ci_base != null)) {
if (ci_interval == null) {
ci_interval = "NaN";
}
if (ci_base == null) {
ci_base = "NaN";
}
if (ci_min == null) {
ci_min = "NaN";
}
if (ci_max == null) {
ci_max = "NaN";
}
if (ci_width == null) {
ci_width = "1";
}
contourInfo =
new ContourInfo(
ci_interval,
Misc.parseDouble(ci_base),
Misc.parseDouble(ci_min),
Misc.parseDouble(ci_max),
ci_label,
ci_dash,
ContourInfo.DEFAULT_FILL,
Misc.parseDouble(ci_width));
}
if ((ci_dash != DFLT_CI_DASH) || (ci_label != DFLT_CI_LABEL)) {
if (contourInfo == null) {
contourInfo = new ContourInfo(Double.NaN, Double.NaN, Double.NaN, Double.NaN);
contourInfo.setIsLabeled(ci_label);
contourInfo.setDashOn(ci_dash);
}
}
if ((range_min != null) && (range_max != null)) {
range = new Range(Misc.parseDouble(range_min), Misc.parseDouble(range_max));
}
ParamInfo paramInfo =
new ParamInfo(paramName, colorTableName, range, contourInfo, displayUnit);
infos.add(paramInfo);
}
return infos;
}
/**
* Actually get the data identified by the given DataChoce. The default is to call the
* getDataInner that does not take the requestProperties. This allows other, non unidata.data
* DataSource-s (that follow the old API) to work.
*
* @param dataChoice The data choice that identifies the requested data.
* @param category The data category of the request.
* @param dataSelection Identifies any subsetting of the data.
* @param requestProperties Hashtable that holds any detailed request properties.
* @return The visad.Data object
* @throws RemoteException Java RMI problem
* @throws VisADException VisAD problem
*/
protected Data getDataInner(
DataChoice dataChoice,
DataCategory category,
DataSelection dataSelection,
Hashtable requestProperties)
throws VisADException, RemoteException {
loadId = JobManager.getManager().stopAndRestart(loadId, "WMSControl");
Object myLoadId = loadId;
if (requestProperties == null) {
requestProperties = new Hashtable();
}
WmsSelection wmsInfo = (WmsSelection) dataChoice.getId();
// Look if there was a layer that overrides the one in the data choice
Object tfoLayer = requestProperties.get(PROP_LAYER);
if ((tfoLayer != null) && (tfoLayer instanceof TwoFacedObject)) {
String layer = ((TwoFacedObject) tfoLayer).getId().toString();
for (int i = 0; i < wmsSelections.size(); i++) {
WmsSelection tmpSelection = (WmsSelection) wmsSelections.get(i);
if (Misc.equals(tmpSelection.getLayer(), layer)) {
wmsInfo = tmpSelection;
break;
}
}
}
GeoLocationInfo boundsToUse = (GeoLocationInfo) requestProperties.get(PROP_BOUNDS);
Image image = null;
FieldImpl xyData = null;
byte[] imageContent = null;
// System.err.println(wmsInfo.getImageFile());
if (wmsInfo.getImageFile() != null) {
try {
boundsToUse = new GeoLocationInfo(90, -180, -90, 180);
InputStream is = IOUtil.getInputStream(wmsInfo.getImageFile());
imageContent = IOUtil.readBytes(is, myLoadId);
image = Toolkit.getDefaultToolkit().createImage(imageContent);
// javax.swing.JLabel l = new javax.swing.JLabel(new
// javax.swing.ImageIcon(image));
// l.setBackground(Color.red);
// ucar.unidata.util.GuiUtils.showOkCancelDialog(null,null, l,null);
xyData = ucar.visad.Util.makeField(image, 0, false, true);
} catch (Exception iexc) {
logException("There was an error accessing the image:\n" + wmsInfo.getImageFile(), iexc);
return null;
}
} else {
String writeFile = (String) requestProperties.get(PROP_WRITEFILE);
int imageWidth = Misc.getProperty(requestProperties, PROP_IMAGEWIDTH, 800);
int imageHeight = Misc.getProperty(requestProperties, PROP_IMAGEHEIGHT, -1);
double resolution = Misc.getProperty(requestProperties, PROP_RESOLUTION, (float) 1.0);
if (wmsInfo.getLegendIcon() != null) {
requestProperties.put(PROP_ICONPATH, wmsInfo.getLegendIcon());
}
if (!wmsInfo.getAllowSubsets() || (boundsToUse == null)) {
boundsToUse = wmsInfo.getBounds();
} else {
boundsToUse.rectify(wmsInfo.getBounds(), 0.0);
boundsToUse.snapToGrid();
boundsToUse.rectify(wmsInfo.getBounds(), 0.0);
}
double widthDegrees = boundsToUse.getMaxLon() - boundsToUse.getMinLon();
double heightDegrees = boundsToUse.getMaxLat() - boundsToUse.getMinLat();
if ((widthDegrees == 0) || (heightDegrees == 0)) {
return null;
}
if (wmsInfo.getFixedWidth() > -1) {
imageWidth = wmsInfo.getFixedWidth();
}
if (wmsInfo.getFixedHeight() > -1) {
imageHeight = wmsInfo.getFixedHeight();
} else {
if (imageHeight < 0) {
imageHeight =
Math.abs((int) (imageWidth * boundsToUse.getDegreesY() / boundsToUse.getDegreesX()));
}
}
imageWidth = Math.min(Math.max(imageWidth, 50), 2056);
imageHeight = Math.min(Math.max(imageHeight, 50), 2056);
if (maintainRatio) {
imageHeight = (int) (imageWidth * (heightDegrees / widthDegrees));
}
double diff = Math.abs(boundsToUse.getMinLon() - boundsToUse.getMaxLon());
String url =
wmsInfo.assembleRequest(
boundsToUse, (int) (imageWidth / resolution), (int) (imageHeight / resolution));
String cacheGroup = "WMS";
synchronized (cachedUrls) {
if (writeFile == null) {
for (int i = 0; i < cachedUrls.size(); i++) {
if (url.equals(cachedUrls.get(i))) {
image = (Image) cachedData.get(i);
break;
}
}
}
}
try {
if (image == null) {
if (Misc.equals(url, lastUrl) && (lastImageContent != null)) {
imageContent = lastImageContent;
} else {
}
if (imageContent == null) {
long t1 = System.currentTimeMillis();
// System.err.println("getting image:" + url);
LogUtil.message("Reading WMS image: " + wmsInfo);
// System.err.println ("url:" + url);
InputStream is = IOUtil.getInputStream(url);
long t2 = System.currentTimeMillis();
imageContent = IOUtil.readBytes(is, myLoadId);
long t3 = System.currentTimeMillis();
LogUtil.message("");
// System.err.println("Done");
}
// If it is null then there is another thread that is doing
// a subsequent read
lastImageContent = null;
if (imageContent == null) {
return null;
}
Trace.call2("Getting image");
Trace.call1("Making image");
image = Toolkit.getDefaultToolkit().createImage(imageContent);
// Wait on the image
image = ucar.unidata.ui.ImageUtils.waitOnImage(image);
if (image == null) {
throw new IllegalStateException();
}
Trace.call2("Making image");
lastImageContent = imageContent;
lastUrl = url;
updateDetailsText();
if (!JobManager.getManager().canContinue(myLoadId)) {
Trace.call2("WMSControl.loadImage");
return null;
}
synchronized (cachedUrls) {
if (cachedUrls.size() > 5) {
cachedUrls.remove(cachedUrls.size() - 1);
cachedData.remove(cachedData.size() - 1);
}
// For now don't cache
// cachedUrls.add(0, url);
// cachedData.add(0, image);
}
}
ImageHelper ih = new ImageHelper();
int width = image.getWidth(ih);
if (ih.badImage) {
throw new IllegalStateException();
}
long tt1 = System.currentTimeMillis();
xyData = ucar.visad.Util.makeField(image, 0, false, true);
long tt2 = System.currentTimeMillis();
// System.err.println("time to make field:" + (tt2-tt1));
} catch (Exception iexc) {
if (imageContent != null) {
String msg = new String(imageContent);
// System.err.println ("msg:" + msg);
/* Check to see if this is of the form:
<?xml version='1.0' encoding="UTF-8" standalone="no" ?>
<!DOCTYPE ServiceExceptionReport SYSTEM "http://www.digitalearth.gov/wmt/xml/exception_1_1_0.dtd ">
<ServiceExceptionReport version="1.1.0">
<ServiceException>
Service denied due to system overload. Please try again later.
</ServiceException>
</ServiceExceptionReport>
*/
if (msg.indexOf("<ServiceExceptionReport") >= 0) {
try {
StringBuffer errors = new StringBuffer();
errors.append("\n");
Element root = XmlUtil.getRoot(msg);
List children = XmlUtil.findChildren(root, "ServiceException");
for (int i = 0; i < children.size(); i++) {
Element node = (Element) children.get(i);
String code = XmlUtil.getAttribute(node, "code", (String) null);
String body = XmlUtil.getChildText(node);
if (code != null) {
errors.append(code + "\n");
}
errors.append(body.trim() + "\n");
}
LogUtil.userErrorMessage(
"Error accessing image with the url:\n" + url + "\nError:\n" + errors);
} catch (Exception exc) {
LogUtil.userErrorMessage(
"Error accessing image with the url:\n"
+ url
+ "\nError:\n"
+ StringUtil.stripTags(msg));
}
return null;
}
msg = StringUtil.replace(msg, "\n", " ").toLowerCase();
if (StringUtil.stringMatch(msg, "service\\s*exception")) {
if (StringUtil.stringMatch(msg, "cannot\\s*be\\s*less\\s*than")) {
return null;
}
}
if (msg.indexOf("error") >= 0) {
LogUtil.userErrorMessage(
"There was an error accessing the image with the url:\n"
+ url
+ "\nError:\n"
+ new String(imageContent));
return null;
}
}
logException("There was an error accessing the image with the url:\n" + url, iexc);
return null;
}
if (writeFile != null) {
try {
ImageXmlDataSource.writeToFile(writeFile, boundsToUse, imageContent, wmsInfo.getFormat());
} catch (Exception exc) {
throw new IllegalArgumentException(
"Error writing image xml file:" + writeFile + " " + exc);
}
}
}
Linear2DSet domain = (Linear2DSet) xyData.getDomainSet();
Linear2DSet imageDomain =
new Linear2DSet(
RealTupleType.SpatialEarth2DTuple,
boundsToUse.getMinLon(),
boundsToUse.getMaxLon(),
domain.getX().getLength(),
boundsToUse.getMaxLat(),
boundsToUse.getMinLat(),
domain.getY().getLength());
// System.err.println("image domain:" + imageDomain);
/*
new Linear2DSet(RealTupleType.SpatialEarth2DTuple,
boundsToUse.getMinLon(), boundsToUse.getMaxLon(),
domain.getX().getLength(),
boundsToUse.getMinLat() +diff, boundsToUse.getMinLat(),
domain.getY().getLength());*/
FieldImpl field = GridUtil.setSpatialDomain(xyData, imageDomain, true);
return field;
}