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/**
** VOTResourceArray.java
**
** M. Fitzpatrick, NOAO, July 2008
**
*/
package voclient;
import java.io.*; // general classes
import java.net.*;
import java.util.*;
import net.ivoa.www.xml.VOTable.v1_1.*; // for parsing the VOTable result
/**
*
*/
public class VOTResourceArray {
private static final boolean DEBUG = false;
private static final boolean VDEBUG = false;
private VOTResource[] votResource = null;
public VOTResourceArray (VOTABLE vot, String svcType, String waveband,
boolean DALOnly, String[] sterms, boolean doSort)
{
ArrayList <VOTResource> VRarry = new ArrayList <VOTResource> ();
Resource[] res = vot.getRESOURCE();
Table[] tab = res[0].getTABLE();
TableData tdat = tab[0].getDATA().getTABLEDATA();
Field[] fields = tab[0].getFIELD();
int nfields = fields.length;
String nam = null;
String val = null;
ArrayList names = new ArrayList(); // Read the header
for (int i=0; i < nfields; i++) {
names.add (fields[i].getID());
}
Tr[] tr = tdat.getTR();
int nrows = tr.length;
if (DEBUG)
System.err.println ("nrows="+nrows+" nfields="+nfields);
for (int i=0; i < nrows; i++) { // Read the table data
VOTResource vr = new VOTResource (i);
Td[] td = tr[i].getTD();
for (int j=0; j < nfields; j++) {
/* Get the name of column j and the associated value.
*/
nam = (String) fields[j].getID().toString();
val = (String) td[j].get_value();
if (VDEBUG)
System.err.println (":"+nam+":=:"+val+":");
// kludge = FIXME ////////////////////////////
// //
if ( nam.equals("regionOfRegard") ) //
continue; //
if ( nam.equals("maxRadius") ) //
continue; //
if ( nam.equals("maxRecords") ) //
break; //
if (j==(nfields-2)&&nam.equals("referenceURL")) { //
vr.setByFieldName ( nam, val ); //
break; //
} //
// //
// kludge = FIXME ////////////////////////////
vr.setByFieldName ( nam, val );
}
try {
if (doSort)
vr.setRank (sterms); // Set result ranking.
} catch (Exception ex) {
;
}
/* Check whether the resource matches the waveband and resource
** type constraints.
*/
if ( waveband != null ) {
String[] w = vr.getWaveband();
if (w != null) {
String s = arrayToStr ( w ) ;
if ( s != null && s.contains ( waveband ) ) {
if (DEBUG)
System.err.println ("Skipping waveband :"+s+":");
continue;
}
}
}
if ( svcType != null) {
String[] c = vr.getCapabilityStandardID();
if (c != null && c.length > 0) {
String s = arrayToStr (c).toLowerCase();
if (s != null &&
( s.contains(svcType.toLowerCase()) ||
svcType.contains(s.toLowerCase()) ||
s.equals(svcType.toLowerCase())) ) {
; // added to the list below
}
} else {
if (DEBUG)
System.err.println ("Skipping svc :"+svcType+":");
continue;
}
}
/* If we're asking for DAL resources, expand the resource record
** so there is one entry for each capability/interface.
*/
if ( DALOnly ) {
VOTResource[] vra = vr.expandResources();
for (int k = 0; k < vra.length; k++) {
String std = arrayToStr(vra[k].getCapabilityStandardID());
if (std != null && std.contains("std")) {
VRarry.add (vra[k]); // add to the list
}
}
} else {
VRarry.add (vr); // add to the list
}
}
if (doSort)
Collections.sort(VRarry); // sort by ranking
votResource = new VOTResource[VRarry.size()]; // convert to array
VRarry.toArray( votResource );
}
public VOTResource[] getVOTResource () {
return votResource;
}
public void setVOTResource (VOTResource[] votResource) {
this.votResource = votResource;
}
public VOTResource getVOTResource (int i) {
return votResource[i];
}
public void setVOTResource (int i, VOTResource value) {
this.votResource[i] = value;
}
/**
* Utility to convert a String array to a CSV of the list
* @param in input String array
* @return a CSV String of the array contents
*/
private String arrayToStr (java.lang.String[] in)
{
String out = "";
if (in == null || in.length == 0)
return (null);
for (int i=0; i < in.length; i++) {
out += in[i];
if (i < (in.length-1))
out += ",";
}
return ( new String (out) );
}
private boolean __hashCodeCalc = false;
public synchronized int hashCode ()
{
if (__hashCodeCalc) {
return 0;
}
__hashCodeCalc = true;
int _hashCode = 1;
if (getVOTResource() != null) {
for (int i=0;
i<java.lang.reflect.Array.getLength(getVOTResource());
i++) {
java.lang.Object obj =
java.lang.reflect.Array.get(getVOTResource(), i);
if (obj != null && !obj.getClass().isArray()) {
_hashCode += obj.hashCode();
}
}
}
__hashCodeCalc = false;
return _hashCode;
}
}
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