com.jfirer.jsql.metadata.DefaultLowerCaseNameStrategy Maven / Gradle / Ivy

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package com.jfirer.jsql.metadata;


public class DefaultLowerCaseNameStrategy implements ColumnNameStrategy
{
    public static final DefaultLowerCaseNameStrategy instance = new DefaultLowerCaseNameStrategy();

    private DefaultLowerCaseNameStrategy()
    {
    }

    @Override
    public String toColumnName(String name)
    {
        StringBuilder cache = new StringBuilder(20);
        int index = 0;
        while (index < name.length())
        {
            char c = name.charAt(index);
            if ( c >= 'A' && c <= 'Z' )
            {
                cache.append('_').append(Character.toLowerCase(c));
            }
            else
            {
                cache.append(c);
            }
            index += 1;
        }
        return cache.toString().toLowerCase();
    }
}