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The NetCDF-Java Library is a Java interface to NetCDF files,
as well as to many other types of scientific data formats.
/*
* Copyright 1998-2009 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.*;
import java.util.*;
import java.io.IOException;
/**
* Encapsolates lookup into the BUFR Tables.
*
* @author caron
* @since Jul 14, 2008
*/
public final class TableLookup {
static private org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(TableLookup.class);
static private final boolean showErrors = true;
/////////////////////////////////////////
private TableB localTableB;
private TableD localTableD;
private TableB wmoTableB;
private TableD wmoTableD;
public BufrTables.Mode mode = BufrTables.Mode.wmoOnly;
public TableLookup(BufrIdentificationSection ids) throws IOException {
this.wmoTableB = BufrTables.getWmoTableB(ids);
this.wmoTableD = BufrTables.getWmoTableD(ids);
BufrTables.Tables tables = BufrTables.getLocalTables(ids);
if (tables != null) {
this.localTableB = tables.b;
this.localTableD = tables.d;
this.mode = (tables.mode == null) ? BufrTables.Mode.wmoOnly : tables.mode;
}
}
public final String getWmoTableBName() {
return wmoTableB.getName();
}
public final String getLocalTableBName() {
return localTableB == null ? "none" : localTableB.getName();
}
public final String getLocalTableDName() {
return localTableD == null ? "none" : localTableD.getName();
}
public final String getWmoTableDName() {
return wmoTableD.getName();
}
public BufrTables.Mode getMode() {
return mode;
}
public TableB.Descriptor getDescriptorTableB(short fxy) {
TableB.Descriptor b = null;
boolean isWmoRange = Descriptor.isWmoRange(fxy);
if (isWmoRange && (mode == BufrTables.Mode.wmoOnly)) {
b = wmoTableB.getDescriptor(fxy);
} else if (isWmoRange && (mode == BufrTables.Mode.wmoLocal)) {
b = wmoTableB.getDescriptor(fxy);
if ((b == null) && (localTableB != null))
b = localTableB.getDescriptor(fxy);
} else if (isWmoRange && (mode == BufrTables.Mode.localOverride)) {
if (localTableB != null)
b = localTableB.getDescriptor(fxy);
if (b == null)
b = wmoTableB.getDescriptor(fxy);
else
b.setLocalOverride(true);
} else if (!isWmoRange) {
if (localTableB != null)
b = localTableB.getDescriptor(fxy);
}
if (b == null && showErrors)
System.out.printf(" TableLookup cant find Table B descriptor = %s in tables %s, %s mode=%s%n", Descriptor.makeString(fxy),
getLocalTableBName(), getWmoTableBName(), mode);
return b;
}
public List getDescriptorsTableD(short id) {
TableD.Descriptor d = getDescriptorTableD(id);
if (d != null)
return d.getSequence();
return null;
}
public List getDescriptorsTableD(String fxy) {
short id = Descriptor.getFxy(fxy);
List seq = getDescriptorsTableD(id);
if (seq == null) return null;
List result = new ArrayList( seq.size());
for (Short s : seq)
result.add( Descriptor.makeString(s));
return result;
}
public TableD.Descriptor getDescriptorTableD(short fxy) {
TableD.Descriptor d = null;
boolean isWmoRange = Descriptor.isWmoRange(fxy);
if (isWmoRange && (mode == BufrTables.Mode.wmoOnly)) {
d = wmoTableD.getDescriptor(fxy);
} else if (isWmoRange && (mode == BufrTables.Mode.wmoLocal)) {
d = wmoTableD.getDescriptor(fxy);
if ((d == null) && (localTableD != null))
d = localTableD.getDescriptor(fxy);
} else if (isWmoRange && (mode == BufrTables.Mode.localOverride)) {
if (localTableD != null)
d = localTableD.getDescriptor(fxy);
if (d == null)
d = wmoTableD.getDescriptor(fxy);
else
d.setLocalOverride(true);
} else {
if (localTableD != null)
d = localTableD.getDescriptor(fxy);
}
if (d == null && showErrors)
System.out.printf(" TableLookup cant find Table D descriptor %s in tables %s,%s mode=%s%n", Descriptor.makeString(fxy),
getLocalTableDName(), getWmoTableDName(), mode);
return d;
}
}