org.hibernate.cfg.DefaultComponentSafeNamingStrategy.java Source code

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Here is the source code for org.hibernate.cfg.DefaultComponentSafeNamingStrategy.java

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.cfg;

import java.util.Locale;
import org.hibernate.AssertionFailure;
import org.hibernate.internal.util.StringHelper;

/**
 * @author Emmanuel Bernard
 */
public class DefaultComponentSafeNamingStrategy extends EJB3NamingStrategy {
    public static final NamingStrategy INSTANCE = new DefaultComponentSafeNamingStrategy();

    protected static String addUnderscores(String name) {
        return name.replace('.', '_').toLowerCase(Locale.ROOT);
    }

    @Override
    public String propertyToColumnName(String propertyName) {
        return addUnderscores(propertyName);
    }

    @Override
    public String collectionTableName(String ownerEntity, String ownerEntityTable, String associatedEntity,
            String associatedEntityTable, String propertyName) {
        return tableName(new StringBuilder(ownerEntityTable).append("_")
                .append(associatedEntityTable != null ? associatedEntityTable : addUnderscores(propertyName))
                .toString());
    }

    public String foreignKeyColumnName(String propertyName, String propertyEntityName, String propertyTableName,
            String referencedColumnName) {
        String header = propertyName != null ? addUnderscores(propertyName) : propertyTableName;
        if (header == null)
            throw new AssertionFailure("NamingStrategy not properly filled");
        return columnName(header + "_" + referencedColumnName);
    }

    @Override
    public String logicalColumnName(String columnName, String propertyName) {
        return StringHelper.isNotEmpty(columnName) ? columnName : propertyName;
    }

    @Override
    public String logicalCollectionTableName(String tableName, String ownerEntityTable,
            String associatedEntityTable, String propertyName) {
        if (tableName != null) {
            return tableName;
        } else {
            //use of a stringbuffer to workaround a JDK bug
            return new StringBuffer(ownerEntityTable).append("_")
                    .append(associatedEntityTable != null ? associatedEntityTable : propertyName).toString();
        }

    }

    @Override
    public String logicalCollectionColumnName(String columnName, String propertyName, String referencedColumn) {
        return StringHelper.isNotEmpty(columnName) ? columnName : propertyName + "_" + referencedColumn;
    }

}