private void initServices(ServletContext context) throws ServletException {
// get list of OGC services
String serviceList = this.getRequiredInitParameter(SERVICE);
String[] serviceNames = StringTools.toArray(serviceList, ",", false);
ServiceLookup lookup = ServiceLookup.getInstance();
for (int i = 0; i < serviceNames.length; i++) {
LOG.logInfo(
StringTools.concat(100, "---- Initializing ", serviceNames[i].toUpperCase(), " ----"));
try {
String className = this.getRequiredInitParameter(serviceNames[i] + HANDLER_CLASS);
Class<?> handlerClzz = Class.forName(className);
// initialize each service factory
String s = this.getRequiredInitParameter(serviceNames[i] + HANDLER_CONF);
URL serviceConfigurationURL = WebappResourceResolver.resolveFileLocation(s, context, LOG);
// set configuration
LOG.logInfo(
StringTools.concat(
300,
"Reading configuration for ",
serviceNames[i].toUpperCase(),
" from URL: '",
serviceConfigurationURL,
"'."));
String factoryClassName = SERVICE_FACTORIES_MAPPINGS.get(handlerClzz);
Class<?> factory = Class.forName(factoryClassName);
Method method = factory.getMethod("setConfiguration", new Class[] {URL.class});
method.invoke(factory, new Object[] {serviceConfigurationURL});
// The csw-ebrim profile adds an alternative service name, it too is registred with the CSW
// handler.
if ("CSW".equals(serviceNames[i].toUpperCase())) {
lookup.addService(OGCRequestFactory.CSW_SERVICE_NAME_EBRIM.toUpperCase(), handlerClzz);
}
// put handler to available service list
lookup.addService(serviceNames[i].toUpperCase(), handlerClzz);
LOG.logInfo(
StringTools.concat(300, serviceNames[i].toUpperCase(), " successfully initialized."));
} catch (ServletException e) {
LOG.logError(e.getMessage(), e);
} catch (InvocationTargetException e) {
e.getTargetException().printStackTrace();
LOG.logError(this.produceMessage(ERR_MSG, new Object[] {serviceNames[i]}), e);
} catch (Exception e) {
LOG.logError("Can't initialize OGC service:" + serviceNames[i], e);
}
}
}
/**
* sets all request attributes required by a map from the passed ViewContext
*
* @param vc
*/
private void setMapWindowAttributes() {
String tmp = getInitParam(INIT_PANBUTTONS);
ArrayList<String> pB = new ArrayList<String>(20);
if (tmp != null) {
String[] panButtons = StringTools.toArray(tmp, ",;", true);
List<String> list = Arrays.asList(panButtons);
pB.addAll(list);
}
setAttributes(pB);
}
/**
* moves the layer passed through by the HTTP request down for one position
*
* @throws PortalException
*/
void moveDown() throws PortalException {
ViewContext vc = getCurrentViewContext(portlet.getID());
String tmp = parameter.get(PARAM_LAYER);
String[] s = StringTools.toArray(tmp, "|", false);
LOG.logDebug(
StringTools.concat(150, "moving layer: ", s[0], " map model: ", portlet.getID(), " down"));
MapModelAccess mma = new DefaultMapModelAccess(vc);
try {
vc = mma.swapLayers(new QualifiedName(null, s[0], null), new URL(s[1]), "OGC:WMS", false);
} catch (MalformedURLException e) {
throw new PortalException("no valid URL", e);
}
setCurrentMapContext(vc, portlet.getID());
}
/**
* @param name
* @param select
* @throws UnknownCRSException
*/
Table(String name, String select, List<Pair<String, String>> geometryColumns)
throws UnknownCRSException {
this.name = name;
this.select = select.trim();
String[] tmp = StringTools.toArray(select, " ", false);
for (String value : tmp) {
if (value.startsWith("$")) {
variables.add(value);
}
}
for (Pair<String, String> pair : geometryColumns) {
CoordinateSystem crs = CRSFactory.create(pair.second);
Pair<String, CoordinateSystem> p = new Pair<String, CoordinateSystem>(pair.first, crs);
this.geometryColumns.add(p);
}
}
/**
* validates if the requested layer is valid against the policy/condition. If the passed user <>
* null this is checked against the user- and rights-management system/repository
*
* @param condition
* @param layer
* @throws InvalidParameterValueException
*/
private void validateLayer(Condition condition, String layer, String style)
throws InvalidParameterValueException {
OperationParameter op = condition.getOperationParameter(LAYER);
// version is valid because no restrictions are made
if (op.isAny()) {
return;
}
List<String> v = op.getValues();
// seperate layers from assigned styles
Map<String, String> map = new HashMap<String, String>();
for (int i = 0; i < v.size(); i++) {
String[] tmp = StringTools.toArray(v.get(i), "|", false);
map.put(tmp[0], tmp[1]);
}
String vs = map.get(layer);
if (vs == null) {
if (!op.isUserCoupled()) {
throw new InvalidParameterValueException(INVALIDLAYER + layer);
}
userCoupled = true;
} else if (!style.equalsIgnoreCase("default")
&& vs.indexOf("$any$") < 0
&& vs.indexOf(style) < 0) {
if (!op.isUserCoupled()) {
// a style is valid for a layer if it's the default style
// or the layer accepts any style or a style is explicit defined
// to be valid
throw new InvalidParameterValueException(INVALIDSTYLE + layer + ':' + style);
}
userCoupled = true;
}
}
/**
* sets the name of the the layers that are activated for feature info requests in the uses WMC
*/
void setCurrentFILayer() {
String tmp = parameter.get(PARAM_CURRENTFILAYER);
String[] fiLayer = StringTools.toArray(tmp, ",", false);
if (fiLayer != null) {
List<String> list = Arrays.asList(fiLayer);
list = new ArrayList<String>(list);
ViewContext vc = getCurrentViewContext(portlet.getID());
LayerList layerList = vc.getLayerList();
Layer[] layers = layerList.getLayers();
for (int i = 0; i < layers.length; i++) {
try {
if (list.contains(layers[i].getName())) {
layers[i].getExtension().setSelectedForQuery(true);
} else {
layers[i].getExtension().setSelectedForQuery(false);
}
} catch (Exception e) {
// TODO: handle exception
LOG.logError(e.getMessage(), e);
}
}
}
}
/**
* appends the selected layers of a WMS to the passed <code>ViewContext</code>
*
* @param context
* @throws ContextException
* @throws MalformedURLException
* @throws PortalException
* @throws InvalidCapabilitiesException
*/
private void appendWMS(RPCWebEvent rpc, ViewContext context)
throws MalformedURLException, ContextException, PortalException,
InvalidCapabilitiesException {
RPCStruct struct = (RPCStruct) rpc.getRPCMethodCall().getParameters()[0].getValue();
URL url = new URL((String) struct.getMember("WMSURL").getValue());
String name = (String) struct.getMember("WMSNAME").getValue();
String version = (String) struct.getMember("WMSVERSION").getValue();
String layers = (String) struct.getMember("LAYERS").getValue();
String formatName = (String) struct.getMember("FORMAT").getValue();
boolean useAuthentification = false;
if (struct.getMember("useAuthentification") != null) {
String tmp = (String) struct.getMember("useAuthentification").getValue();
useAuthentification = "true".equalsIgnoreCase(tmp);
}
List<String> list = StringTools.toList(layers, ";", true);
WMSCapabilitiesDocument capa = null;
try {
StringBuffer sb = new StringBuffer(500);
if ("1.0.0".equals(version)) {
sb.append(url.toExternalForm()).append("?request=capabilities&service=WMS");
} else {
sb.append(url.toExternalForm()).append("?request=GetCapabilities&service=WMS");
}
if (useAuthentification) {
HttpSession session = ((HttpServletRequest) getRequest()).getSession();
String user =
((org.apache.jetspeed.om.security.BaseJetspeedUser)
session.getAttribute("turbine.user"))
.getUserName();
String password =
((org.apache.jetspeed.om.security.BaseJetspeedUser)
session.getAttribute("turbine.user"))
.getPassword();
if (!"anon".equals(user)) {
sb.append("&user="******"&password="******"GetCapabilites for added WMS", sb.toString());
capa = WMSCapabilitiesDocumentFactory.getWMSCapabilitiesDocument(new URL(sb.toString()));
} catch (Exception e) {
LOG.logError(e.getMessage(), e);
String msg = null;
if ("1.0.0".equals(version)) {
msg =
StringTools.concat(
500,
"could not load WMS capabilities from: ",
new URL(url.toExternalForm() + "?request=capabilities&service=WMS"),
"; reason: ",
e.getMessage());
} else {
msg =
StringTools.concat(
500,
"could not load WMS capabilities from: ",
new URL(url.toExternalForm() + "?request=GetCapabilities&service=WMS"),
"; reason: ",
e.getMessage());
}
throw new PortalException(msg);
}
WMSCapabilities capabilities = (WMSCapabilities) capa.parseCapabilities();
String rootTitle = capabilities.getLayer().getTitle();
// ----------------------------------------------------------------------------
// stuff required by layerlist tree view
Node root = context.getGeneral().getExtension().getLayerTreeRoot();
// check if Node width this title already exists
Node[] nodes = root.getNodes();
int newNodeId = -1;
for (int j = 0; j < nodes.length; j++) {
if (nodes[j].getTitle().equals(rootTitle)) {
newNodeId = nodes[j].getId();
break;
}
}
if (newNodeId == -1) {
newNodeId = root.getMaxNodeId() + 1;
Node newNode = new Node(newNodeId, root, rootTitle, true, false);
Node[] newNodes = new Node[nodes.length + 1];
newNodes[0] = newNode;
for (int j = 0; j < nodes.length; j++) {
newNodes[j + 1] = nodes[j];
}
root.setNodes(newNodes);
}
// ----------------------------------------------------------------------------
for (int i = 0; i < list.size(); i++) {
String[] lay = StringTools.toArray(list.get(i), "|", false);
Server server = new Server(name, version, "OGC:WMS", url, capabilities);
String srs = context.getGeneral().getBoundingBox()[0].getCoordinateSystem().getPrefixedName();
Format format = new Format(formatName, true);
FormatList fl = new FormatList(new Format[] {format});
// read available styles from WMS capabilities and add them
// to the WMC layer
org.deegree.ogcwebservices.wms.capabilities.Layer wmslay = capabilities.getLayer(lay[0]);
org.deegree.ogcwebservices.wms.capabilities.Style[] wmsstyles = wmslay.getStyles();
Style[] styles = null;
if (wmsstyles == null || wmsstyles.length == 0) {
// a wms capabilities layer may offeres one or more styles for
// a layer but it don't have to. But WMC must have at least one
// style for each layer; So we set a default style in the case
// a wms does not declares one
styles = new Style[1];
styles[0] = new Style("", "default", "", null, true);
} else {
styles = new Style[wmsstyles.length];
for (int j = 0; j < styles.length; j++) {
boolean isDefault =
wmsstyles[j].getName().toLowerCase().indexOf("default") > -1
|| wmsstyles[j].getName().trim().length() == 0;
ImageURL legendURL = null;
LegendURL[] lUrl = wmsstyles[j].getLegendURL();
if (lUrl != null && lUrl.length > 0) {
legendURL =
new ImageURL(
lUrl[0].getWidth(),
lUrl[0].getHeight(),
lUrl[0].getFormat(),
lUrl[0].getOnlineResource());
}
styles[j] =
new Style(
wmsstyles[j].getName(),
wmsstyles[j].getTitle(),
wmsstyles[j].getAbstract(),
legendURL,
isDefault);
}
}
StyleList styleList = new StyleList(styles);
BaseURL mdUrl = null;
MetadataURL[] mdUrls = wmslay.getMetadataURL();
if (mdUrls != null && mdUrls.length == 1 && mdUrls[0] != null) {
mdUrl = mdUrls[0];
}
int authentication = LayerExtension.NONE;
if (useAuthentification) {
authentication = LayerExtension.USERPASSWORD;
}
LayerExtension lex =
new LayerExtension(
null,
false,
wmslay.getScaleHint().getMin(),
wmslay.getScaleHint().getMax(),
false,
authentication,
newNodeId,
false,
null);
Layer newLay =
new Layer(
server,
lay[0],
lay[1],
null,
new String[] {srs},
null,
mdUrl,
fl,
styleList,
wmslay.isQueryable(),
false,
lex);
if (context
.getLayerList()
.getLayer(newLay.getName(), server.getOnlineResource().toExternalForm())
== null) {
context.getLayerList().addLayerToTop(newLay);
}
}
try {
XMLFragment xml = XMLFactory.export(context);
System.out.println(xml.getAsPrettyString());
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
