/*
 * Copyright 2004-2015 the Seasar Foundation and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.seasar.extension.jdbc.gen.internal.model;

import org.seasar.extension.jdbc.gen.model.SqlFileConstantNamingRule;
import org.seasar.framework.util.StringUtil;

/**
 * @author taedium
 * 
 */
public class SqlFileConstantNamingRuleImpl implements SqlFileConstantNamingRule {

    public String fromPathToConstantName(String path) {
        if (path == null) {
            throw new NullPointerException("path");
        }
        if (path.endsWith(".sql")) {
            path = path.substring(0, path.length() - 4);
        }
        String[] segments = path.split("/");
        if (segments.length >= 2) {
            String directoryName = segments[segments.length - 2];
            String fileName = segments[segments.length - 1];
            return StringUtil.decamelize(directoryName) + "_"
                    + StringUtil.decamelize(fileName);
        }
        return path.toUpperCase();
    }

}
