| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.flink.table.util.resource; |
| |
| /** |
| * |
| */ |
| public class StringUtil { |
| |
| /** |
| * Filter some special character such as ",\. |
| * |
| * @param s Input String |
| * @return Filtered String |
| */ |
| public static String filterSpecChars(String s) { |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < s.length(); i++) { |
| char c = s.charAt(i); |
| switch (c) { |
| case '\"': |
| sb.append("\\\""); |
| break; |
| case '\\': |
| sb.append("\\\\"); |
| break; |
| case '/': |
| sb.append("\\/"); |
| break; |
| case '\b': |
| sb.append("\\b"); |
| break; |
| case '\f': |
| sb.append("\\f"); |
| break; |
| case '\n': |
| sb.append("\\n"); |
| break; |
| case '\r': |
| sb.append("\\r"); |
| break; |
| case '\t': |
| sb.append("\\t"); |
| break; |
| default: |
| sb.append(c); |
| } |
| } |
| return sb.toString(); |
| } |
| } |
| |