SimpleNamingStrategy.java

/*
 * This file is part of the GeoLatte project.
 *
 *     GeoLatte is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     GeoLatte 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 Lesser General Public License for more details.
 *
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with GeoLatte.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright (C) 2010 - 2012 and Ownership of code is shared by:
 * Qmino bvba - Romeinsestraat 18 - 3001 Heverlee  (http://www.qmino.com)
 * Geovise bvba - Generaal Eisenhowerlei 9 - 2140 Antwerpen (http://www.geovise.com)
 */
package org.geolatte.common.automapper;

/**
 * Default implementation for a <code>NamingStrategy</code>.
 *
 * @author Karel Maesen, Geovise BVBA (http://www.geovise.com/)
 */
public class SimpleNamingStrategy implements NamingStrategy {

    public String createClassName(TableRef tableRef) {
        StringBuilder stb = new StringBuilder();
        addComponent(tableRef.getCatalog(), stb);
        addComponent(tableRef.getSchema(), stb);
        stb.append(tableRef.getTableName());
        String cleaned = toJavaName(stb.toString());
        cleaned = cleaned.toLowerCase();
        return capitalize(cleaned);
    }

    public String createGetterName(String fieldName) {
        return "get" + capitalize(fieldName);
    }

    public String createPropertyName(String base) {
        String cleaned = toJavaName(base);
        cleaned = cleaned.toLowerCase();
        return cleaned;
    }

    public String createSetterName(String fieldName) {
        return "set" + capitalize(fieldName);

    }

    /**
     * Turns the name into a valid, simplified Java Identifier.
     *
     * @param name input String
     * @return java identifier, based on input String.
     */
    private String toJavaName(String name) {
        StringBuilder stb = new StringBuilder();
        char[] namechars = name.toCharArray();
        if (!Character.isJavaIdentifierStart(namechars[0])) {
            stb.append("__");
        } else {
            stb.append(namechars[0]);
        }
        for (int i = 1; i < namechars.length; i++) {
            if (!Character.isJavaIdentifierPart(namechars[i])) {
                stb.append("__");
            } else {
                stb.append(namechars[i]);
            }
        }

        return stb.toString();
    }

    private String capitalize(String s) {
        char[] ca = s.toCharArray();
        ca[0] = Character.toUpperCase(ca[0]);
        return new String(ca);
    }

    private void addComponent(String component, StringBuilder stb) {
        if (component != null) {
            stb.append(component).append("_");
        }
    }

    @SuppressWarnings("unused")
    private String uncapitalize(final String s) {
        final char[] ca = s.toCharArray();
        ca[0] = Character.toLowerCase(ca[0]);
        return new String(ca);
    }
}