/**
* Constructs the DataLink Parameters from an URL string containing a VOTable with DataLink
* information The VOTABLE must contain only Datalink info! ????? or?
*
* @throws IOException
*/
public DataLinkParams(String dataLinksrc) throws IOException {
id_source = null;
request = null;
accessURL = null;
contentType = null;
service = new ArrayList<DataLinkService>();
DataLinkService thisService = new DataLinkService();
URL dataLinkURL = new URL(dataLinksrc);
DataSource datsrc = new URLDataSource(dataLinkURL);
StarTable starTable =
new VOTableBuilder().makeStarTable(datsrc, true, StoragePolicy.getDefaultPolicy());
int ncol = starTable.getColumnCount();
for (int k = 0; k < ncol; k++) {
ColumnInfo colInfo = starTable.getColumnInfo(k);
// String utype = colInfo.getUtype();
String name = colInfo.getName();
if (name != null) thisService.addParam(name, (String) starTable.getCell(0, k));
// if ( utype != null ) {
// utype = utype.toLowerCase();
// if ( utype.endsWith( "datalink.accessurl" ) ) {
// thisService.addParam("accessURL", (String) starTable.getCell(0, k));
// }
// if ( utype.endsWith( "datalink.contenttype" ) ) {
// thisService.addParam("contentType", (String) starTable.getCell(0, k));
// }
}
service.add(thisService);
}
public void addService(
VOElement serviceEl) // TO DO - how to check which service is wanted????????
{
DataLinkService thisService = new DataLinkService();
// handle the PARAM elements
VOElement[] voels = serviceEl.getChildrenByName("PARAM"); // the param elements
int i = 0;
while (i < voels.length) {
ParamElement pel = (ParamElement) voels[i];
thisService.addParam(pel.getAttribute("name"), pel.getAttribute("value"));
i++;
}
i = 0;
// handle the GROUP with name=InputParams element and its parameters
VOElement[] grpels =
serviceEl.getChildrenByName("GROUP" /*, "name", "inputParams"*/); // the GROUP Element
VOElement grpel = null;
while (i < grpels.length && grpel == null) {
VOElement gel = grpels[i];
String name = gel.getAttribute("name");
if (name.equalsIgnoreCase("InputParams")) {
grpel = gel;
}
i++;
}
if (grpel != null) {
VOElement[] grpParams = grpel.getChildrenByName("PARAM"); // the param elements
// handle the group PARAM elements
int size = grpParams.length;
for (int j = 0; j < size; j++) {
ParamElement pel = (ParamElement) grpParams[j];
if (pel.getAttribute("name").equals("ID")) {
VOElement el = pel.getChildByName("LINK"); // link inside a group element
if (el.getAttribute("content-role").equals("ddl:id-source"))
id_source = el.getAttribute("value");
thisService.addParam("idSource", el.getAttribute("value"));
} else {
thisService.addGroupParam(pel);
queryIndex = j;
}
}
service.add(thisService);
}
}
