/* Copyright (c) 2013-2014 Boundless and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/edl-v10.html
*
* Contributors:
* Juan Marin (Boundless) - initial implementation
*/
package org.locationtech.geogig.geotools.cli.porcelain;
import java.io.IOException;
import java.util.Map;
import java.util.Map.Entry;
import org.geotools.data.DataStore;
import org.locationtech.geogig.cli.CLICommand;
import org.locationtech.geogig.cli.CommandFailedException;
import org.locationtech.geogig.cli.GeogigCLI;
import org.locationtech.geogig.cli.annotation.ReadOnly;
import org.locationtech.geogig.geotools.plumbing.DescribeOp;
import org.locationtech.geogig.geotools.plumbing.GeoToolsOpException;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.google.common.base.Optional;
/**
* Describes a table from an Oracle database.
*
* PostGIS CLI proxy for {@link DescribeOp}
*
* @see DescribeOp
*/
@ReadOnly
@Parameters(commandNames = "describe", commandDescription = "Describe an Oracle table")
public class OracleDescribe extends AbstractOracleCommand implements CLICommand {
/**
* Table to describe.
*/
@Parameter(names = { "--table", "-t" }, description = "Table to describe.", required = true)
public String table = "";
/**
* Executes the describe command using the provided options.
*
* @param cli
* @see org.locationtech.geogig.geotools.cli.porcelain.AbstractOracleCommand#runInternal(org.locationtech.geogig.cli.GeogigCLI)
*/
@Override
protected void runInternal(GeogigCLI cli) throws IOException {
DataStore dataStore = getDataStore();
try {
cli.getConsole().println("Fetching table...");
Optional<Map<String, String>> propertyMap = cli.getGeogig().command(DescribeOp.class)
.setTable(table).setDataStore(dataStore).call();
if (propertyMap.isPresent()) {
cli.getConsole().println("Table : " + table);
cli.getConsole().println("----------------------------------------");
for (Entry<String, String> entry : propertyMap.get().entrySet()) {
cli.getConsole().println("\tProperty : " + entry.getKey());
cli.getConsole().println("\tType : " + entry.getValue());
cli.getConsole().println("----------------------------------------");
}
} else {
throw new CommandFailedException("Could not find the specified table.");
}
} catch (GeoToolsOpException e) {
switch (e.statusCode) {
case TABLE_NOT_DEFINED:
throw new CommandFailedException("No table supplied.", e);
case UNABLE_TO_GET_FEATURES:
throw new CommandFailedException("Unable to read the feature source.", e);
case UNABLE_TO_GET_NAMES:
throw new CommandFailedException("Unable to read feature types.", e);
default:
throw new CommandFailedException("Exception: " + e.statusCode.name(), e);
}
} finally {
dataStore.dispose();
cli.getConsole().flush();
}
}
}