001/* 002 * Copyright 2015-2019 Ping Identity Corporation 003 * All Rights Reserved. 004 */ 005/* 006 * Copyright (C) 2015-2019 Ping Identity Corporation 007 * 008 * This program is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU General Public License (GPLv2 only) 010 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only) 011 * as published by the Free Software Foundation. 012 * 013 * This program is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU General Public License for more details. 017 * 018 * You should have received a copy of the GNU General Public License 019 * along with this program; if not, see <http://www.gnu.org/licenses>. 020 */ 021package com.unboundid.util.args; 022 023 024 025import java.io.Serializable; 026import java.util.regex.Pattern; 027 028import com.unboundid.util.Debug; 029import com.unboundid.util.NotMutable; 030import com.unboundid.util.ThreadSafety; 031import com.unboundid.util.ThreadSafetyLevel; 032 033import static com.unboundid.util.args.ArgsMessages.*; 034 035 036 037/** 038 * This class provides an implementation of an argument value validator that is 039 * expected to be used with a string argument and ensures that all values for 040 * the argument are valid regular expressions. Note that it does not verify 041 * that values match a given regular expression, but that can already be 042 * accomplished with the {@link StringArgument#setValueRegex} method. 043 */ 044@NotMutable() 045@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE) 046public final class RegularExpressionArgumentValueValidator 047 extends ArgumentValueValidator 048 implements Serializable 049{ 050 /** 051 * The serial version UID for this serializable class. 052 */ 053 private static final long serialVersionUID = -6676584334684453380L; 054 055 056 057 /** 058 * Creates a new instance of this regular expression argument value validator. 059 */ 060 public RegularExpressionArgumentValueValidator() 061 { 062 // No implementation is required. 063 } 064 065 066 067 /** 068 * {@inheritDoc} 069 */ 070 @Override() 071 public void validateArgumentValue(final Argument argument, 072 final String valueString) 073 throws ArgumentException 074 { 075 try 076 { 077 Pattern.compile(valueString); 078 } 079 catch (final Exception e) 080 { 081 Debug.debugException(e); 082 throw new ArgumentException( 083 ERR_REGEX_VALIDATOR_VALUE_NOT_REGEX.get(valueString, 084 argument.getIdentifierString())); 085 } 086 } 087 088 089 090 /** 091 * Retrieves a string representation of this argument value validator. 092 * 093 * @return A string representation of this argument value validator. 094 */ 095 @Override() 096 public String toString() 097 { 098 final StringBuilder buffer = new StringBuilder(); 099 toString(buffer); 100 return buffer.toString(); 101 } 102 103 104 105 /** 106 * Appends a string representation of this argument value validator to the 107 * provided buffer. 108 * 109 * @param buffer The buffer to which the string representation should be 110 * appended. 111 */ 112 public void toString(final StringBuilder buffer) 113 { 114 buffer.append("RegularExpressionArgumentValueValidator()"); 115 } 116}