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Cassandra support for Spring Data
/*
* Copyright 2017-2018 the original author or authors.
*
* 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.springframework.data.cassandra.core.cql.keyspace;
import org.springframework.lang.Nullable;
public class CqlStringUtils {
private static final String DOUBLE_SINGLE_QUOTE = "\'\'";
private static final String SINGLE_QUOTE = "\'";
/**
* Doubles single quote characters (' -> ''). Given {@literal null}, returns null
.
*/
@Nullable
public static String escapeSingle(@Nullable Object thing) {
return (thing == null ? null : thing.toString().replace(SINGLE_QUOTE, DOUBLE_SINGLE_QUOTE));
}
/**
* Surrounds given object's {@link Object#toString()} with single quotes. Given {@literal null}, returns
* {@literal null}.
*/
@Nullable
public static String singleQuote(@Nullable Object thing) {
return (thing == null ? null : SINGLE_QUOTE.concat(thing.toString()).concat(SINGLE_QUOTE));
}
}