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/*
* This file is part of PetaScope.
*
* PetaScope is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* PetaScope is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with PetaScope. If not, see <http://www.gnu.org/licenses/>.
*
* For more information please see <http://www.PetaScope.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*
* Copyright 2009 Jacobs University Bremen, Peter Baumann.
*/
package wcps.server.cli;
import java.io.IOException;
import wcps.server.core.CachedMetadataSource;
import wcps.server.core.DbMetadataSource;
import wcps.server.core.ProcessCoveragesRequest;
import wcps.server.core.WCPS;
import java.io.File;
import java.io.FileInputStream;
import java.io.StringReader;
import java.util.Properties;
import org.xml.sax.InputSource;
/**
* This is a small application around the WCPS core. It takes XML requests as files and runs them
* through WCPS. The resulting radaman queries are displayed, but not executed. This is very useful
* for testing whether your metadata is valid.
*/
public class xml
{
private static WCPS wcps;
private static DbMetadataSource metadataSource;
private static void initMetadata()
{
File cwd = new File(".");
System.out.println("Working in " + cwd.getAbsolutePath());
String pcSchemaFileName = "src/conf/" +
"xml" + File.separator + "ogc" + File.separator + "wcps"
+ File.separator + "1.0.0" + File.separator + "wcpsProcessCoverages.xsd";
File pcSchemaFile = new File(pcSchemaFileName);
if (!pcSchemaFile.exists())
{
System.err.println("WCPS: could not find the WCPS ProcessCoverage schema ("
+ pcSchemaFileName + ")");
System.exit(1);
}
metadataSource = null;
try
{
Properties dbParams = new Properties();
dbParams.load(new FileInputStream("dbparams.properties"));
metadataSource =
new DbMetadataSource(dbParams.getProperty("metadata_driver"),
dbParams.getProperty("metadata_url"),
dbParams.getProperty("metadata_user"),
dbParams.getProperty("metadata_pass"), false);
wcps = new WCPS(pcSchemaFile, new CachedMetadataSource(metadataSource));
}
catch (Exception e)
{
System.err.println("WCPS: could not initialize WCPS:");
e.printStackTrace(System.err);
System.exit(1);
}
}
public static void main(String[] args)
{
if (args.length < 1)
{
System.err.println("WCPS CLI: no input files");
System.err.println("\nWCPS CLI Usage: java wcps.server.cli.xml input.xml");
System.err.println("Where input.xml contains a ProcessCoverages Request ");
// System.exit(1);
args = new String[1];
args[0] = "test/testcases-wcps_dollar/25.test.xml";
}
if (args.length > 1)
{
System.err.println("WCPS: no input files");
System.exit(1);
}
initMetadata();
for (int i = 0; i < args.length; i++)
{
File fileIn = null;
InputSource is = null;
try
{
fileIn = new File(args[i]);
is = new InputSource(new FileInputStream(fileIn));
}
catch (Exception fnfe)
{
System.err.println("WCPS: " + args[i]
+ ": no such file or directory" + fnfe);
System.exit(1);
}
String result = processCoverage(is, i);
if (result != null)
System.out.println(result);
else
{
System.err.println("WCPS: " + args[i] + " failed");
System.exit(1);
}
}
metadataSource.close();
System.exit(0);
}
private static String processCoverage(InputSource is, int i)
{
String result = null;
try
{
ProcessCoveragesRequest r = wcps.pcPrepare("http://kahlua.eecs.jacobs-university.de:9001",
"RASSERVICE", is);
System.err.println("Request " + i);
String rasql = r.getRasqlQuery();
String mime = r.getMime();
result = "[" + mime + "] " + rasql;
}
catch (Exception e)
{
System.err.println("WCPS: request " + i
+ " failed with the following exception:");
e.printStackTrace(System.err);
}
return result;
}
/** Converts a WCPS XML query into a RasQL query string **/
public static String convertXmlToRasql(String query)
{
String rasql = null;
if (metadataSource == null)
initMetadata();
InputSource is = new InputSource(new StringReader(query));
rasql = processCoverage(is, 1);
return rasql;
}
}
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