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.object.regex;
021
022 import org.apache.isis.applib.events.ValidityEvent;
023 import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
024 import org.apache.isis.core.metamodel.facetapi.Facet;
025 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
026 import org.apache.isis.core.metamodel.facets.MultipleValueFacetAbstract;
027 import org.apache.isis.core.metamodel.interactions.ProposedHolder;
028 import org.apache.isis.core.metamodel.interactions.ValidityContext;
029
030 public abstract class RegExFacetAbstract extends MultipleValueFacetAbstract implements RegExFacet {
031
032 public static Class<? extends Facet> type() {
033 return RegExFacet.class;
034 }
035
036 private final String validation;
037 private final String format;
038 private final boolean caseSensitive;
039
040 public RegExFacetAbstract(final String validation, final String format, final boolean caseSensitive,
041 final FacetHolder holder) {
042 super(type(), holder);
043 this.validation = validation;
044 this.format = format;
045 this.caseSensitive = caseSensitive;
046 }
047
048 @Override
049 public String validation() {
050 return validation;
051 }
052
053 @Override
054 public String format() {
055 return format;
056 }
057
058 @Override
059 public boolean caseSensitive() {
060 return caseSensitive;
061 }
062
063 // //////////////////////////////////////////////////////////
064
065 @Override
066 public String invalidates(final ValidityContext<? extends ValidityEvent> context) {
067 if (!(context instanceof ProposedHolder)) {
068 return null;
069 }
070 final ProposedHolder proposedHolder = (ProposedHolder) context;
071 final ObjectAdapter proposedArgument = proposedHolder.getProposed();
072 if (proposedArgument == null) {
073 return null;
074 }
075 final String titleString = proposedArgument.titleString();
076 if (!doesNotMatch(titleString)) {
077 return null;
078 }
079 return "Doesn't match pattern";
080 }
081
082 }