| /* |
| * 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. |
| * |
| */ |
| package org.apache.directory.api.ldap.model.schema.syntaxCheckers; |
| |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.directory.api.ldap.model.schema.SyntaxChecker; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * A SyntaxChecker implemented using Perl5 regular expressions to constrain |
| * values. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| @SuppressWarnings("serial") |
| public class RegexSyntaxChecker extends SyntaxChecker |
| { |
| /** A logger for this class */ |
| private static final Logger LOG = LoggerFactory.getLogger( RegexSyntaxChecker.class ); |
| |
| /** the set of regular expressions */ |
| private List<String> expressions; |
| |
| |
| /** |
| * Creates a Syntax validator for a specific Syntax using Perl5 matching |
| * rules for validation. |
| * |
| * @param oid |
| * the oid of the Syntax values checked |
| * @param matchExprArray |
| * the array of matching expressions |
| */ |
| public RegexSyntaxChecker( String oid, String[] matchExprArray ) |
| { |
| super( oid ); |
| |
| if ( ( matchExprArray != null ) && ( matchExprArray.length != 0 ) ) |
| { |
| expressions = new ArrayList<String>( matchExprArray.length ); |
| |
| for ( String regexp : matchExprArray ) |
| { |
| expressions.add( regexp ); |
| } |
| } |
| else |
| { |
| expressions = new ArrayList<String>(); |
| } |
| } |
| |
| |
| /** |
| * |
| * Creates a new instance of RegexSyntaxChecker. |
| * |
| * @param oid the oid to associate with this new SyntaxChecker |
| * |
| */ |
| public RegexSyntaxChecker( String oid ) |
| { |
| super( oid ); |
| expressions = new ArrayList<String>(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean isValidSyntax( Object value ) |
| { |
| String str = null; |
| boolean match = true; |
| |
| if ( value instanceof String ) |
| { |
| str = ( String ) value; |
| |
| for ( String regexp : expressions ) |
| { |
| match = match && str.matches( regexp ); |
| |
| if ( !match ) |
| { |
| break; |
| } |
| } |
| } |
| |
| if ( match ) |
| { |
| LOG.debug( "Syntax valid for '{}'", value ); |
| } |
| else |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| } |
| |
| return match; |
| } |
| |
| |
| /** |
| * Get the list of regexp stored into this SyntaxChecker |
| * |
| * @return AN array containing all the stored regexp |
| */ |
| public String[] getExpressions() |
| { |
| String[] exprs = new String[expressions.size()]; |
| return expressions.toArray( exprs ); |
| } |
| |
| |
| /** |
| * Add a list of regexp to be applied by this SyntaxChecker |
| * |
| * @param expressions The regexp list to add |
| */ |
| public void setExpressions( String[] expressions ) |
| { |
| for ( String regexp : expressions ) |
| { |
| this.expressions.add( regexp ); |
| } |
| } |
| } |