001/* 002 * Copyright 2015-2017 UnboundID Corp. 003 * All Rights Reserved. 004 */ 005/* 006 * Copyright (C) 2015-2017 UnboundID Corp. 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.util.regex.Pattern; 026 027import com.unboundid.util.Debug; 028import com.unboundid.util.NotMutable; 029import com.unboundid.util.ThreadSafety; 030import com.unboundid.util.ThreadSafetyLevel; 031 032import static com.unboundid.util.args.ArgsMessages.*; 033 034 035 036/** 037 * This class provides an implementation of an argument value validator that is 038 * expected to be used with a string argument and ensures that all values for 039 * the argument are valid regular expressions. Note that it does not verify 040 * that values match a given regular expression, but that can already be 041 * accomplished with the {@link StringArgument#setValueRegex} method. 042 */ 043@NotMutable() 044@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE) 045public final class RegularExpressionArgumentValueValidator 046 extends ArgumentValueValidator 047{ 048 /** 049 * Creates a new instance of this regular expression argument value validator. 050 */ 051 public RegularExpressionArgumentValueValidator() 052 { 053 // No implementation is required. 054 } 055 056 057 058 /** 059 * {@inheritDoc} 060 */ 061 @Override() 062 public void validateArgumentValue(final Argument argument, 063 final String valueString) 064 throws ArgumentException 065 { 066 try 067 { 068 Pattern.compile(valueString); 069 } 070 catch (final Exception e) 071 { 072 Debug.debugException(e); 073 throw new ArgumentException( 074 ERR_REGEX_VALIDATOR_VALUE_NOT_REGEX.get(valueString, 075 argument.getIdentifierString())); 076 } 077 } 078 079 080 081 /** 082 * Retrieves a string representation of this argument value validator. 083 * 084 * @return A string representation of this argument value validator. 085 */ 086 @Override() 087 public String toString() 088 { 089 final StringBuilder buffer = new StringBuilder(); 090 toString(buffer); 091 return buffer.toString(); 092 } 093 094 095 096 /** 097 * Appends a string representation of this argument value validator to the 098 * provided buffer. 099 * 100 * @param buffer The buffer to which the string representation should be 101 * appended. 102 */ 103 public void toString(final StringBuilder buffer) 104 { 105 buffer.append("RegularExpressionArgumentValueValidator()"); 106 } 107}