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Support for multiple resource urls

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With this change, createLayer generates url arrays for both KVP and REST
encoding if multiple resource urls are provided. To make this work, the
WMTSCapabilities format got a new resourceUrls property, because
previously only the first resourceUrl for a format was stored.
This commit is contained in:
ahocevar
2012-10-01 15:28:30 +02:00
parent 51ae75a54f
commit 22c5e76b0b
4 changed files with 68 additions and 15 deletions
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29
lib/OpenLayers/Format/WMTSCapabilities.js
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@@ -73,6 +73,8 @@ OpenLayers.Format.WMTSCapabilities = OpenLayers.Class(OpenLayers.Format.XML.Vers
* matrixSet - {String} The matrix set identifier, required if there is
* more than one matrix set in the layer capabilities.
* style - {String} The name of the style
* format - {String} Image format for the layer. Default is the first
* format returned in the GetCapabilities response.
* param - {Object} The dimensions values eg: {"Year": "2012"}
*
* Returns:
@@ -102,6 +104,11 @@ OpenLayers.Format.WMTSCapabilities = OpenLayers.Class(OpenLayers.Format.XML.Vers
if (!layerDef) {
throw new Error("Layer not found");
}
var format = config.format;
if (!format && layerDef.formats && layerDef.formats.length) {
format = layerDef.formats[0];
}
// find the matrixSet definition
var matrixSet;
@@ -170,19 +177,30 @@ OpenLayers.Format.WMTSCapabilities = OpenLayers.Class(OpenLayers.Format.XML.Vers
}
var url;
if (requestEncoding === "REST" && layerDef.resourceUrl) {
url = layerDef.resourceUrl.tile.template;
if (requestEncoding === "REST" && layerDef.resourceUrls) {
url = [];
var resourceUrls = layerDef.resourceUrls,
resourceUrl;
for (var t = 0, tt = layerDef.resourceUrls.length; t < tt; ++t) {
resourceUrl = layerDef.resourceUrls[t];
if (resourceUrl.format === format && resourceUrl.resourceType === "tile") {
url.push(resourceUrl.template);
}
}
}
else {
var httpGet = capabilities.operationsMetadata.GetTile.dcp.http.get;
url = httpGet[0].url;
url = [];
for (var i = 0, ii = httpGet.length; i < ii; i++) {
if (httpGet[i].constraints && httpGet[i].constraints.
GetEncoding.allowedValues[requestEncoding]) {
url = httpGet[i].url;
break;
url.push(httpGet[i].url);
}
}
// fallback for backwards compatibility
if (url.length === 0) {
url = httpGet[0].url;
}
}
return new OpenLayers.Layer.WMTS(
@@ -191,6 +209,7 @@ OpenLayers.Format.WMTSCapabilities = OpenLayers.Class(OpenLayers.Format.XML.Vers
requestEncoding: requestEncoding,
name: layerDef.title,
style: style.identifier,
format: format,
matrixIds: matrixSet.matrixIds,
matrixSet: matrixSet.identifier,
projection: projection,