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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
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package com.sun.star.sdbcx.comp.postgresql;

import java.util.ArrayList;
import java.util.List;

import org.apache.openoffice.comp.sdbc.dbtools.comphelper.CompHelper;
import org.apache.openoffice.comp.sdbc.dbtools.sdbcx.OCatalog;
import org.apache.openoffice.comp.sdbc.dbtools.sdbcx.OContainer;

import com.sun.star.container.ElementExistException;
import com.sun.star.sdbc.SQLException;
import com.sun.star.sdbc.XResultSet;
import com.sun.star.sdbc.XRow;
import com.sun.star.uno.Any;
import com.sun.star.uno.UnoRuntime;

public class PostgresqlCatalog extends OCatalog {
    public PostgresqlCatalog(PostgresqlConnection connection) throws SQLException {
        super(connection.getMetaData());
    }
    
    @Override
    public void refreshTables() {
        XResultSet results = null;
        try {
            // Using { "VIEW", "TABLE", "%" } shows INFORMATION_SCHEMA and others, but it also shows indexes :-(
            results = metadata.getTables(Any.VOID, "%", "%", new String[] { "VIEW", "TABLE" });
            XRow row = UnoRuntime.queryInterface(XRow.class, results);
            List<String> names = new ArrayList<>();
            while (results.next()) {
                String name = buildName(row);
                System.out.println("Table " + name);
                names.add(name);
            }
            if (tables == null) {
                tables = new PostgresqlTables(this, metadata, this, names);
            } else {
                tables.refill(names);
            }
        } catch (ElementExistException | SQLException exception) {
            throw new com.sun.star.uno.RuntimeException("Error", exception);
        } finally {
            CompHelper.disposeComponent(results);
        }
    }
    
    @Override
    public void refreshViews() {
        XResultSet results = null;
        try {
            results = metadata.getTables(Any.VOID, "%", "%", new String[] { "VIEW" });
            XRow row = UnoRuntime.queryInterface(XRow.class, results);
            List<String> names = new ArrayList<>();
            while (results.next()) {
                String name = buildName(row);
                names.add(name);
            }
            if (views == null) {
                views = new PostgresqlViews(this, metadata, this, names);
            } else {
                views.refill(names);
            }
        } catch (ElementExistException | SQLException exception) {
            throw new com.sun.star.uno.RuntimeException("Error", exception);
        } finally {
            CompHelper.disposeComponent(results);
        }
    }
    
    @Override
    public void refreshGroups() {
    }
    
    @Override
    public void refreshUsers() {
    }
    
    synchronized OContainer getTablesInternal() {
        return tables;
    }
}