/*
* 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 com.facebook.presto.raptor.util;
import static com.google.common.base.Preconditions.checkArgument;
import static java.lang.String.format;
import static java.util.Locale.ENGLISH;
public final class MetadataUtil
{
private MetadataUtil() {}
public static String checkSchemaName(String schemaName)
{
return checkLowerCase(schemaName, "schemaName");
}
public static String checkTableName(String tableName)
{
return checkLowerCase(tableName, "tableName");
}
private static String checkLowerCase(String value, String name)
{
if (value == null) {
throw new NullPointerException(format("%s is null", name));
}
checkArgument(value.equals(value.toLowerCase(ENGLISH)), "%s is not lowercase", name);
return value;
}
}