/*
* 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 $Revision$
*/
/*
* Imported by CG 20090321 based on Apache Harmony ("enhanced") revision 476395.
*/
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;
}
}