package pers.corvey.exam.other.hibernate; import org.apache.commons.lang3.StringUtils; import org.hibernate.boot.model.naming.Identifier; import org.hibernate.boot.model.naming.PhysicalNamingStrategy; import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment; public class MyPhysicalNamingStrategy implements PhysicalNamingStrategy { private static final String REGEX = "([a-z])([A-Z])"; private static final String REPLACEMENT = "$1_$2"; @Override public Identifier toPhysicalCatalogName(Identifier identifier, JdbcEnvironment jdbcEnv) { return convert(identifier); } @Override public Identifier toPhysicalColumnName(Identifier identifier, JdbcEnvironment jdbcEnv) { return convert(identifier); } @Override public Identifier toPhysicalSchemaName(Identifier identifier, JdbcEnvironment jdbcEnv) { return convert(identifier); } @Override public Identifier toPhysicalSequenceName(Identifier identifier, JdbcEnvironment jdbcEnv) { return convert(identifier); } @Override public Identifier toPhysicalTableName(Identifier identifier, JdbcEnvironment jdbcEnv) { return convert(identifier); } private Identifier convert(Identifier identifier) { if (identifier == null || StringUtils.isBlank(identifier.getText())) { return identifier; } return Identifier.toIdentifier(convert(identifier.getText())); } private String convert(String str) { if (str == null) { return null; } String newStr = str.replaceAll(REGEX, REPLACEMENT).toLowerCase(); return newStr; } }