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/******************************************************************************
* $Id: ogrinfo.java 23704 2012-01-06 10:27:08Z rouault $
*
* Name: ogrinfo.java
* Project: GDAL SWIG Interface
* Purpose: Java port of ogrinfo application, simple client for viewing OGR driver data.
* Author: Even Rouault, <even dot rouault at mines dash paris dot org>
*
* Port from ogrinfo.cpp by Frank Warmerdam
*
******************************************************************************
* Copyright (c) 2009, Even Rouault
* Copyright (c) 1999, Frank Warmerdam
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
import org.gdal.gdal.gdal;
import org.gdal.ogr.*;
import org.gdal.osr.*;
import java.util.*;
/* Note : this is the most direct port of ogrinfo.cpp possible */
/* It could be made much more java'ish ! */
public class ogrinfo
{
static boolean bReadOnly = false;
static boolean bVerbose = true;
static boolean bSummaryOnly = false;
static final int OGRNullFID = -1;
static int nFetchFID = OGRNullFID;
public static void main(String[] args)
{
String pszWHERE = null;
String pszDataSource = null;
Vector papszLayers = new Vector();
Geometry poSpatialFilter = null;
int nRepeatCount = 1;
boolean bAllLayers = false;
String pszSQLStatement = null;
String pszDialect = null;
ogr.DontUseExceptions();
/* -------------------------------------------------------------------- */
/* Register format(s). */
/* -------------------------------------------------------------------- */
if( ogr.GetDriverCount() == 0 )
ogr.RegisterAll();
/* -------------------------------------------------------------------- */
/* Processing command line arguments. */
/* -------------------------------------------------------------------- */
args = ogr.GeneralCmdLineProcessor(args);
for(int i=0;i<args.length;i++)
{
if (args[i].equals("-ro"))
bReadOnly = true;
else if (args[i].equals("-q"))
bVerbose = false;
else if (args[i].equals("-spat") && i + 4 < args.length)
{
Geometry oRing = new Geometry(ogrConstants.wkbLinearRing);
double xmin = new Double(args[++i]).doubleValue();
double ymin = new Double(args[++i]).doubleValue();
double xmax = new Double(args[++i]).doubleValue();
double ymax = new Double(args[++i]).doubleValue();
oRing.AddPoint(xmin, ymin);
oRing.AddPoint(xmin, ymax);
oRing.AddPoint(xmax, ymax);
oRing.AddPoint(xmax, ymin);
oRing.AddPoint(xmin, ymin);
poSpatialFilter = new Geometry(ogrConstants.wkbPolygon);
poSpatialFilter.AddGeometry(oRing);
}
else if (args[i].equals("-where") && i + 1 < args.length)
{
pszWHERE = args[++i];
}
else if(args[i].equals("-sql") && i + 1 < args.length)
{
pszSQLStatement = args[++i];
}
else if(args[i].equals("-dialect") && i + 1 < args.length)
{
pszDialect = args[++i];
}
else if( args[i].equals("-rc") && i + 1 < args.length)
{
nRepeatCount = new Integer(args[++i]).intValue();
}
else if( args[i].equals("-al") )
{
bAllLayers = true;
}
else if( args[i].equals("-so") || args[i].equals("-summary") )
{
bSummaryOnly = true;
}
/*
else if( EQUALN(papszArgv[iArg],"-fields=", strlen("-fields=")) )
{
char* pszTemp = (char*)CPLMalloc(32 + strlen(papszArgv[iArg]));
sSystem.out.print(pszTemp, "DISPLAY_FIELDS=%s", papszArgv[iArg] + strlen("-fields="));
papszOptions = CSLAddString(papszOptions, pszTemp);
CPLFree(pszTemp);
}
else if( EQUALN(papszArgv[iArg],"-geom=", strlen("-geom=")) )
{
char* pszTemp = (char*)CPLMalloc(32 + strlen(papszArgv[iArg]));
sSystem.out.print(pszTemp, "DISPLAY_GEOMETRY=%s", papszArgv[iArg] + strlen("-geom="));
papszOptions = CSLAddString(papszOptions, pszTemp);
CPLFree(pszTemp);
}
*/
else if( args[i].charAt(0) == '-' )
{
Usage();
return;
}
else if( pszDataSource == null )
pszDataSource = args[i];
else
{
papszLayers.addElement( args[i] );
bAllLayers = false;
}
}
if( pszDataSource == null )
{
Usage();
return;
}
/* -------------------------------------------------------------------- */
/* Open data source. */
/* -------------------------------------------------------------------- */
DataSource poDS = ogr.Open(pszDataSource, !bReadOnly);
if (poDS == null && !bReadOnly)
{
poDS = ogr.Open(pszDataSource, false);
if (poDS == null && bVerbose)
{
System.out.println( "Had to open data source read-only.");
}
}
/* -------------------------------------------------------------------- */
/* Report failure */
/* -------------------------------------------------------------------- */
if( poDS == null )
{
System.out.print( "FAILURE:\n" +
"Unable to open datasource `" + pszDataSource + "' with the following drivers.\n");
for( int iDriver = 0; iDriver < ogr.GetDriverCount(); iDriver++ )
{
System.out.println( " -> " + ogr.GetDriver(iDriver).GetName() );
}
return;
}
Driver poDriver = poDS.GetDriver();
/* -------------------------------------------------------------------- */
/* Some information messages. */
/* -------------------------------------------------------------------- */
if( bVerbose )
System.out.println( "INFO: Open of `" + pszDataSource + "'\n" +
" using driver `" + poDriver.GetName() + "' successful." );
/* -------------------------------------------------------------------- */
/* Special case for -sql clause. No source layers required. */
/* -------------------------------------------------------------------- */
if( pszSQLStatement != null )
{
nRepeatCount = 0; // skip layer reporting.
if( papszLayers.size() > 0 )
System.out.println( "layer names ignored in combination with -sql." );
Layer poResultSet = poDS.ExecuteSQL( pszSQLStatement, poSpatialFilter, pszDialect );
if( poResultSet != null )
{
if( pszWHERE != null )
{
if( poResultSet.SetAttributeFilter( pszWHERE ) != ogr.OGRERR_NONE )
{
System.err.println("FAILURE: SetAttributeFilter(" + pszWHERE + ") failed.");
return;
}
}
ReportOnLayer( poResultSet, null, null );
poDS.ReleaseResultSet( poResultSet );
}
}
/* -------------------------------------------------------------------- */
/* Process each data source layer. */
/* -------------------------------------------------------------------- */
//CPLDebug( "OGR", "GetLayerCount() = %d\n", poDS->GetLayerCount() );
for( int iRepeat = 0; iRepeat < nRepeatCount; iRepeat++ )
{
if (papszLayers.size() == 0)
{
/* -------------------------------------------------------------------- */
/* Process each data source layer. */
/* -------------------------------------------------------------------- */
for( int iLayer = 0; iLayer < poDS.GetLayerCount(); iLayer++ )
{
Layer poLayer = poDS.GetLayer(iLayer);
if( poLayer == null )
{
System.out.println( "FAILURE: Couldn't fetch advertised layer " + iLayer + "!");
return;
}
if (!bAllLayers)
{
System.out.print(
(iLayer+1) + ": " + poLayer.GetLayerDefn().GetName() );
if( poLayer.GetLayerDefn().GetGeomType() != ogrConstants.wkbUnknown )
System.out.print( " (" +
ogr.GeometryTypeToName(
poLayer.GetLayerDefn().GetGeomType()) + ")" );
System.out.println();
}
else
{
if( iRepeat != 0 )
poLayer.ResetReading();
ReportOnLayer( poLayer, pszWHERE, poSpatialFilter );
}
}
}
else
{
/* -------------------------------------------------------------------- */
/* Process specified data source layers. */
/* -------------------------------------------------------------------- */
for(int i = 0; i < papszLayers.size(); i++)
{
Layer poLayer = poDS.GetLayerByName((String)papszLayers.get(i));
if( poLayer == null )
{
System.out.println( "FAILURE: Couldn't fetch requested layer " +
(String)papszLayers.get(i) + "!");
return;
}
if( iRepeat != 0 )
poLayer.ResetReading();
ReportOnLayer( poLayer, pszWHERE, poSpatialFilter );
}
}
}
}
/************************************************************************/
/* Usage() */
/************************************************************************/
public static void Usage()
{
System.out.print( "Usage: ogrinfo [--help-general] [-ro] [-q] [-where restricted_where]\n" +
" [-spat xmin ymin xmax ymax] [-fid fid]\n" +
" [-sql statement] [-al] [-so]\n" +
" [--formats]\n" +
" datasource_name [layer [layer ...]]\n");
}
/************************************************************************/
/* ReportOnLayer() */
/************************************************************************/
static void ReportOnLayer(Layer poLayer, String pszWHERE, Geometry poSpatialFilter)
{
FeatureDefn poDefn = poLayer.GetLayerDefn();
/* -------------------------------------------------------------------- */
/* Set filters if provided. */
/* -------------------------------------------------------------------- */
if( pszWHERE != null )
{
if( poLayer.SetAttributeFilter( pszWHERE ) != ogr.OGRERR_NONE )
{
System.err.println("FAILURE: SetAttributeFilter(" + pszWHERE + ") failed.");
return;
}
}
if( poSpatialFilter != null )
poLayer.SetSpatialFilter( poSpatialFilter );
/* -------------------------------------------------------------------- */
/* Report various overall information. */
/* -------------------------------------------------------------------- */
System.out.println();
System.out.println( "Layer name: "+ poDefn.GetName() );
if( bVerbose )
{
System.out.println( "Geometry: " +
ogr.GeometryTypeToName( poDefn.GetGeomType() ) );
System.out.println( "Feature Count: " + poLayer.GetFeatureCount() );
double oExt[] = poLayer.GetExtent(true);
if (oExt != null)
System.out.println("Extent: (" + oExt[0] + ", " + oExt[2] + ") - (" + oExt[1] + ", " + oExt[3] + ")");
String pszWKT;
if( poLayer.GetSpatialRef() == null )
pszWKT = "(unknown)";
else
{
pszWKT = poLayer.GetSpatialRef().ExportToPrettyWkt();
}
System.out.println( "Layer SRS WKT:\n" + pszWKT );
if( poLayer.GetFIDColumn().length() > 0 )
System.out.println( "FID Column = " + poLayer.GetFIDColumn() );
if( poLayer.GetGeometryColumn().length() > 0 )
System.out.println( "Geometry Column = " + poLayer.GetGeometryColumn() );
for( int iAttr = 0; iAttr < poDefn.GetFieldCount(); iAttr++ )
{
FieldDefn poField = poDefn.GetFieldDefn( iAttr );
System.out.println( poField.GetNameRef() + ": " + poField.GetFieldTypeName( poField.GetFieldType() ) + " (" + poField.GetWidth() + "." + poField.GetPrecision() + ")");
}
}
/* -------------------------------------------------------------------- */
/* Read, and dump features. */
/* -------------------------------------------------------------------- */
Feature poFeature;
if( nFetchFID == OGRNullFID && !bSummaryOnly )
{
while( (poFeature = poLayer.GetNextFeature()) != null )
{
poFeature.DumpReadable();
}
}
else if( nFetchFID != OGRNullFID )
{
poFeature = poLayer.GetFeature( nFetchFID );
if( poFeature == null )
{
System.out.println( "Unable to locate feature id " + nFetchFID + " on this layer.");
}
else
{
poFeature.DumpReadable();
}
}
}
}
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