/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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*/
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package org.opends.server.schema;
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/**
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* This class defines utility methods that can be used to determine whether a
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* character string is printable as defined in X.520 and referenced in RFC 2252.
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* Printable characters consist of the set of uppercase and lowercase alphabetic
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* characters, numeric digits, quotation mark, open and close parentheses, plus,
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* minus, comma, period, slash, colon, question mark, and space.
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*/
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public class PrintableString
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{
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/**
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* Indicates whether the provided character is a valid printable character.
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*
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* @param c The character for which to make the determination.
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*
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* @return <CODE>true</CODE> if the provided character is a printable
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* character, or <CODE>false</CODE> if not.
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*/
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public static boolean isPrintableCharacter(char c)
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{
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switch (c)
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{
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case 'a':
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case 'b':
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case 'c':
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case 'd':
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case 'e':
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case 'f':
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case 'g':
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case 'h':
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case 'i':
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case 'j':
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case 'k':
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case 'l':
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case 'm':
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case 'n':
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case 'o':
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case 'p':
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case 'q':
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case 'r':
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case 's':
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case 't':
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case 'u':
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case 'v':
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case 'w':
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case 'x':
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case 'y':
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case 'z':
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case 'A':
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case 'B':
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case 'C':
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case 'D':
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case 'E':
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case 'F':
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case 'G':
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case 'H':
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case 'I':
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case 'J':
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case 'K':
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case 'L':
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case 'M':
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case 'N':
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case 'O':
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case 'P':
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case 'Q':
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case 'R':
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case 'S':
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case 'T':
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case 'U':
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case 'V':
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case 'W':
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case 'X':
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case 'Y':
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case 'Z':
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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case '\'':
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case '(':
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case ')':
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case '+':
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case ',':
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case '-':
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case '.':
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case '=':
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case '/':
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case ':':
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case '?':
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case ' ':
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return true;
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default:
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return false;
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}
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}
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/**
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* Indicates whether the provided string is a valid printable string.
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*
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* @param s The string for which to make the determination.
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*
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* @return <CODE>true</CODE> if the provided string is a printable string, or
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* <CODE>false</CODE> if not.
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*/
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public static boolean isPrintableString(String s)
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{
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if (s == null)
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{
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return false;
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}
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int length = s.length();
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for (int i=0; i < length; i++)
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{
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if (! isPrintableCharacter(s.charAt(i)))
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{
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return false;
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}
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}
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return true;
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}
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}
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