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/*
 * VarcharField.java 07/06/2016 Copyright (C) 2016 Leonardo Alves da Costa This program is free software: you can
 * redistribute it and/or modify it under the terms of the GNU 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 General Public License for more details. You should have received a
 * copy of the GNU General Public License along with this program. If not, see .
 */
package com.googlecode.paradox.data.field;

import com.googlecode.paradox.data.FieldParser;
import com.googlecode.paradox.data.table.value.FieldValue;
import com.googlecode.paradox.metadata.ParadoxField;
import com.googlecode.paradox.metadata.ParadoxTable;
import com.googlecode.paradox.utils.Constants;
import com.googlecode.paradox.utils.Utils;
import java.nio.ByteBuffer;
import java.sql.Types;
import java.util.Arrays;

/**
 * Parses a VARCHAR field.
 *
 * @author Leonardo Alves da Costa
 * @version 1.0
 * @since 1.3
 */
public final class VarcharField implements FieldParser {
    
    /**
     * {@inheritDoc}.
     */
    @Override
    public boolean match(final int type) {
        return type == 1;
    }
    
    /**
     * {@inheritDoc}.
     */
    @Override
    public FieldValue parse(final ParadoxTable table, final ByteBuffer buffer, final ParadoxField field) {
        final ByteBuffer valueString = ByteBuffer.allocate(Constants.MAX_STRING_SIZE);
        
        // reset buffer to zeros
        Arrays.fill(valueString.array(), (byte) 0);
        
        for (int chars = 0; chars < field.getSize(); chars++) {
            valueString.put(buffer.get());
        }
        return new FieldValue(Utils.parseString(valueString, table.getCharset()), Types.VARCHAR);
    }
    
}




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