/*
* Copyright 1998-2013 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.nc2.iosp.bufr;
import ucar.nc2.iosp.bufr.tables.TableB;
import ucar.nc2.iosp.bufr.tables.TableC;
import ucar.nc2.iosp.bufr.tables.TableD;
import java.util.Formatter;
/**
* Static methods to manipulate the f-x-y descriptors
* @author caron
* @since Oct 25, 2008
*/
public class Descriptor {
static public String makeString(short fxy) {
int f = (fxy & 0xC000) >> 14;
int x = (fxy & 0x3F00) >> 8;
int y = fxy & 0xFF;
return makeString(f,x,y);
}
static public String makeString(int f, int x, int y) {
Formatter out = new Formatter();
out.format("%d-%d-%d",f,x,y);
return out.toString();
}
static public boolean isWmoRange(short fxy) {
int x = (fxy & 0x3F00) >> 8;
int y = fxy & 0xFF;
return (x < 48 && y < 192);
}
static public short getFxy(String name) {
String[] tok = name.split("-");
int f = (tok.length > 0) ? Integer.parseInt(tok[0]) : 0;
int x = (tok.length > 1) ? Integer.parseInt(tok[1]) : 0;
int y = (tok.length > 2) ? Integer.parseInt(tok[2]) : 0;
return (short) ((f << 14) + (x << 8) + (y));
}
static public short getFxy2(String fxxyyy) {
int fxy = Integer.parseInt(fxxyyy.trim());
int y = fxy % 1000;
fxy /= 1000;
int x = fxy % 100;
int f1 = fxy / 100;
return (short) ((f1 << 14) + (x << 8) + (y));
}
// contains a BUFR table entry
static public boolean isBufrTable(short fxy) {
int f = (fxy & 0xC000) >> 14;
int x = (fxy & 0x3F00) >> 8;
int y = (fxy & 0xFF);
return (f == 0) && (x == 0) && (y < 13);
}
static public short getFxy(short f, short x, short y) {
return (short) ((f << 14) + (x << 8) + (y));
}
static private final String[] descType = {"tableB", "replication", "tableC-operators", "tableD"};
static public void show(Formatter out, short fxy, BufrTableLookup lookup) {
int f = (fxy & 0xC000) >> 14;
if (f == 0) {
TableB.Descriptor b = lookup.getDescriptorTableB( fxy);
if (b == null) out.format("%-8s: NOT FOUND!!", makeString(fxy) );
else out.format("%-8s: %s", b.getFxy(), b.getName());
} else if (f == 1)
out.format("%-8s: %s", makeString(fxy), descType[1]);
else if (f == 2) {
int x = (fxy & 0x3F00) >> 8;
out.format("%-8s: Operator= %s", makeString(fxy), TableC.getOperatorName(x));
} else if (f == 3) {
TableD.Descriptor d = lookup.getDescriptorTableD( fxy);
if (d == null) out.format("%-8s: NOT FOUND!!", makeString(fxy) );
else out.format("%-8s: %s", d.getFxy(), d.getName());
}
}
static public String getName(short fxy, BufrTableLookup lookup) {
int f = (fxy & 0xC000) >> 14;
if (f == 0) {
TableB.Descriptor b = lookup.getDescriptorTableB( fxy);
if (b == null) return("**NOT FOUND!!");
else return b.getName();
} else if (f == 1)
return descType[1];
else if (f == 2) {
int x = (fxy & 0x3F00) >> 8;
return TableC.getOperatorName(x);
} else if (f == 3) {
TableD.Descriptor d = lookup.getDescriptorTableD( fxy);
if (d == null) return "**NOT FOUND!!";
else return d.getName();
}
return "illegal F="+f;
}
}