| /* |
| * 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. |
| */ |
| |
| /** |
| * @author Alexander V. Esin |
| * @version $Revision$ |
| */ |
| |
| package org.apache.harmony.security.x509; |
| |
| /** |
| * Text utils for processing DN string representations |
| */ |
| |
| public class Utils { |
| |
| /** |
| * Checks if the string is PrintableString (see X.680) |
| * @param str input string |
| * @return true if the string is PrintableString, false otherwise |
| */ |
| public static boolean isPrintableString(String str) { |
| for (int i= 0; i< str.length(); ++i) { |
| char ch= str.charAt(i); |
| if (!(ch== 0x20 |
| || ch>= 0x27 && ch<= 0x29 // '() |
| || ch>= 0x2B && ch<= 0x3A // +,-./0-9: |
| || ch== '=' |
| || ch== '?' |
| || ch>= 'A' && ch<= 'Z' |
| || ch>= 'a' && ch<= 'z')) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |