001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *
010     *        http://www.apache.org/licenses/LICENSE-2.0
011     *
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License.
018     */
019    
020    package org.apache.isis.core.progmodel.facets.properties.validate.regexannot;
021    
022    import java.util.regex.Pattern;
023    
024    import org.apache.isis.core.metamodel.facetapi.FacetHolder;
025    import org.apache.isis.core.progmodel.facets.object.regex.RegExFacetAbstract;
026    
027    public class RegExFacetAnnotationForProperty extends RegExFacetAbstract {
028    
029        private final Pattern pattern;
030    
031        public RegExFacetAnnotationForProperty(final String validation, final String format, final boolean caseSensitive,
032            final FacetHolder holder) {
033            super(validation, format, caseSensitive, holder);
034            pattern = Pattern.compile(validation(), patternFlags());
035        }
036    
037        @Override
038        public String format(final String text) {
039            if (text == null) {
040                return "<not a string>";
041            }
042            if (format() == null || format().length() == 0) {
043                return text;
044            }
045            return pattern.matcher(text).replaceAll(format());
046        }
047    
048        @Override
049        public boolean doesNotMatch(final String text) {
050            if (text == null) {
051                return true;
052            }
053            return !pattern.matcher(text).matches();
054        }
055    
056        private int patternFlags() {
057            return !caseSensitive() ? Pattern.CASE_INSENSITIVE : 0;
058        }
059    
060    }