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/*
* SsapConnection.java
* $ID*
*/
package dalclient;
import java.util.*;
/**
* SSAP search connection. At this point the protocol is stateless and a
* "connection" is nothing more than a list of service URLs. Queries require
* a connection context be established first. This version is based on the
* SiapConnection class.
*
* @version 1.0, 29-Jan-2009
* @author Mike Fitzpatrick
*/
public
class SsapConnection extends DALConnection {
/**
* Create a new SSAP connection context with an initially empty service
* endpoint list.
*/
public SsapConnection() {
// Nothing yet.
}
/**
* Create a new SSAP connection context initially populated with a
* single service endpoint.
*/
public SsapConnection(String service) {
super(service);
}
/**
* Get a new empty SSAP query context for this connection.
*/
public SsapQuery getSsapQuery() {
return (new SsapQuery(this));
}
/**
* Set up a new SSAP context for the parameters RA, DEC, and a
* default SIZE of 0.1 degrees.
*
* @param ra Central right ascension of the region of interest
* in degrees (ICRS).
* @param dec Central declination of the region of interest in
* degrees (ICRS).
*/
public SsapQuery getSsapQuery(double ra, double dec) {
SsapQuery query = new SsapQuery(this);
String sval;
Double dval;
// Encode POS and default SIZE.
dval = new Double(ra); sval = dval.toString(); sval += ",";
dval = new Double(dec); sval += dval.toString();
query.addParameter("POS", sval);
query.addParameter("SIZE", "0.1");
return (query);
}
/**
* Set up a new SSAP context for the parameters RA, DEC, and SIZE.
*
* @param ra Central right ascension of the region of interest
* in degrees (ICRS).
* @param dec Central declination of the region of interest in
* degrees (ICRS).
* @param size Size of the region of interest in degrees.
*
*/
public SsapQuery getSsapQuery(double ra, double dec, double size) {
SsapQuery query = new SsapQuery(this);
String sval;
Double dval;
// Encode POS.
dval = new Double(ra); sval = dval.toString(); sval += ",";
dval = new Double(dec); sval += dval.toString();
query.addParameter("POS", sval);
// Encode SIZE.
dval = new Double(size);
query.addParameter("SIZE", dval.toString());
return (query);
}
/**
* Set up a new SSAP context for the parameters RA, DEC, SIZE and a
* bandpass string (in range-list format).
*
* @param ra Central right ascension of the region of interest
* in degrees (ICRS).
* @param dec Central declination of the region of interest in
* degrees (ICRS).
* @param size Size of the region of interest in degrees.
* @param band Spectral bandpass in range-list format.
*
*/
public SsapQuery getSsapQuery(double ra, double dec,
double size, String band)
{
SsapQuery query = new SsapQuery(this);
String sval;
Double dval;
// Encode POS.
dval = new Double(ra); sval = dval.toString(); sval += ",";
dval = new Double(dec); sval += dval.toString();
query.addParameter("POS", sval);
// Encode SIZE and BAND.
dval = new Double(size);
query.addParameter("SIZE", dval.toString());
query.addParameter("BAND", band);
return (query);
}
/**
* Set up a new SSAP context for the parameters RA, DEC, SIZE, BAND
* and FORMAT string.
*
* @param ra Central right ascension of the region of interest
* in degrees (ICRS).
* @param dec Central declination of the region of interest in
* degrees (ICRS).
* @param size Size of the region of interest in degrees.
* @param band Spectral bandpass in range-list format.
* @param time Time coverage in range-list format.
* @param format Limit the query response to the specified format.
*
*/
public SsapQuery getSsapQuery(double ra, double dec,
double size, String band, String time, String format)
{
SsapQuery query = new SsapQuery(this);
String sval;
Double dval;
// Encode POS.
dval = new Double(ra); sval = dval.toString(); sval += ",";
dval = new Double(dec); sval += dval.toString();
query.addParameter("POS", sval);
// Encode SIZE, BAND, TIME and FORMAT.
dval = new Double(size);
query.addParameter("SIZE", dval.toString());
query.addParameter("BAND", band);
query.addParameter("TIME", time);
query.addParameter("FORMAT", format);
return (query);
}
/**
* Set up a new SSAP context for the parameters RA, DEC, SIZE, BAND
* and TIME.
*
* @param ra Central right ascension of the region of interest
* in degrees (ICRS).
* @param dec Central declination of the region of interest in
* degrees (ICRS).
* @param size Size of the region of interest in degrees.
* @param band Spectral bandpass in range-list format.
* @param time Time coverage in range-list format.
*
*/
public SsapQuery getSsapQuery(double ra, double dec,
double size, String band, String time)
{
SsapQuery query = new SsapQuery(this);
String sval;
Double dval;
// Encode POS.
dval = new Double(ra); sval = dval.toString(); sval += ",";
dval = new Double(dec); sval += dval.toString();
query.addParameter("POS", sval);
// Encode SIZE, TIME and BAND.
dval = new Double(size);
query.addParameter("SIZE", dval.toString());
query.addParameter("BAND", band);
query.addParameter("TIME", time);
return (query);
}
}
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