/**
 * Copyright (C) 2009-2013 FoundationDB, LLC
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.foundationdb.ais.model.validation;

import java.nio.charset.Charset;

import com.foundationdb.ais.model.AkibanInformationSchema;
import com.foundationdb.ais.model.Column;
import com.foundationdb.ais.model.Table;
import com.foundationdb.server.error.UnsupportedCharsetException;

/**
 * Verify the table default character set and define character sets for each column
 * are valid and supported. 
 * @author tjoneslo
 *
 */
class CharacterSetSupported implements AISValidation {

    @Override
    public void validate(AkibanInformationSchema ais, AISValidationOutput output) {
        for (Table table : ais.getTables().values()) {
            final String tableCharset = table.getDefaultedCharsetName();
            if (tableCharset != null && !Charset.isSupported(tableCharset)) {
                output.reportFailure(new AISValidationFailure (
                        new UnsupportedCharsetException (tableCharset)));
            }
            
            for (Column column : table.getColumnsIncludingInternal()) {
                final String columnCharset = column.getCharsetName();
                if (columnCharset != null && !Charset.isSupported(columnCharset)) {
                    output.reportFailure(new AISValidationFailure (
                            new UnsupportedCharsetException (columnCharset)));
                }
            }
        }
    }
}