org.wallride.autoconfigure.PhysicalNamingStrategySnakeCaseImpl.java Source code

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Here is the source code for org.wallride.autoconfigure.PhysicalNamingStrategySnakeCaseImpl.java

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/*
 * Copyright 2014 Tagbangers, Inc.
 *
 * 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.wallride.autoconfigure;

import org.hibernate.boot.model.naming.Identifier;
import org.hibernate.boot.model.naming.PhysicalNamingStrategy;
import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;

import java.io.Serializable;

public class PhysicalNamingStrategySnakeCaseImpl implements PhysicalNamingStrategy, Serializable {

    /**
     * Singleton access
     */
    public static final PhysicalNamingStrategySnakeCaseImpl INSTANCE = new PhysicalNamingStrategySnakeCaseImpl();

    @Override
    public Identifier toPhysicalCatalogName(Identifier name, JdbcEnvironment jdbcEnvironment) {
        return convert(name);
    }

    @Override
    public Identifier toPhysicalSchemaName(Identifier name, JdbcEnvironment jdbcEnvironment) {
        return convert(name);
    }

    @Override
    public Identifier toPhysicalTableName(Identifier name, JdbcEnvironment jdbcEnvironment) {
        return convert(name);
    }

    @Override
    public Identifier toPhysicalSequenceName(Identifier name, JdbcEnvironment jdbcEnvironment) {
        return convert(name);
    }

    @Override
    public Identifier toPhysicalColumnName(Identifier name, JdbcEnvironment jdbcEnvironment) {
        return convert(name);
    }

    private Identifier convert(Identifier identifier) {
        if (identifier == null) {
            return identifier;
        }

        String regex = "([a-z])([A-Z])";
        String replacement = "$1_$2";
        String newName = identifier.getText().replaceAll(regex, replacement).toLowerCase();
        return Identifier.toIdentifier(newName, identifier.isQuoted());
    }
}