com.chadekin.jadys.commons.formatters.SqlValueFormatterFactory.java Source code

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Here is the source code for com.chadekin.jadys.commons.formatters.SqlValueFormatterFactory.java

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/**
 *                     GNU General Public License (GPL)
 *                        version 3.0, 29 June 2007
 *
 * 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
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 *
 * Copyright (C) 2017 Marc Mamiah.
 * License GPLv3+: GNU GPL version 3
 */
package com.chadekin.jadys.commons.formatters;

import java.util.Map;
import com.chadekin.jadys.commons.JadysBuilder;
import com.google.common.collect.Maps;
import org.apache.commons.lang.StringUtils;

/**
 * SqlValueFormatter
 */
public class SqlValueFormatterFactory implements JadysBuilder<String> {

    protected Object value;

    private Map<Class, SqlValueFormatter> formatters = Maps.newHashMap();

    private SqlValueFormatterFactory(Object value) {
        this.value = value;
        init(formatters);
    }

    public static SqlValueFormatterFactory format(Object value) {
        return new SqlValueFormatterFactory(value);
    }

    @Override
    public String build() {
        if (value == null)
            return StringUtils.EMPTY;
        String result = null;

        Class type = FormatterTypeFactory.resolveClass(value);
        SqlValueFormatter formatter = formatters.get(type);
        result = formatter.format(value);

        return result;
    }

    private static void init(Map<Class, SqlValueFormatter> formatters) {
        appendFormatter(formatters, new ArrayValueFormatter());
        appendFormatter(formatters, new CollectionValueFormatter());
        appendFormatter(formatters, new DateValueFormatter());
        appendFormatter(formatters, new DefaultValueFormatter());
        appendFormatter(formatters, new StringValueFormatter());
    }

    private static void appendFormatter(Map<Class, SqlValueFormatter> formatters, SqlValueFormatter formatter) {
        formatters.put(formatter.getTargetClass(), formatter);
    }

}