/*
* 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
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*/
package org.apache.isis.core.progmodel.facets.param.validate.regexannot;
import java.lang.annotation.Annotation;
import org.apache.isis.applib.annotation.RegEx;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facetapi.FacetUtil;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facets.AnnotationBasedFacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.object.title.TitleFacet;
import org.apache.isis.core.progmodel.facets.object.regex.RegExFacet;
import org.apache.isis.core.progmodel.facets.object.regex.TitleFacetFormattedByRegex;
public class RegExFacetAnnotationForParameterFacetFactory extends AnnotationBasedFacetFactoryAbstract {
public RegExFacetAnnotationForParameterFacetFactory() {
super(FeatureType.PARAMETERS_ONLY);
}
@Override
public void processParams(final ProcessParameterContext processParameterContext) {
final Class<?>[] parameterTypes = processParameterContext.getMethod().getParameterTypes();
if (processParameterContext.getParamNum() >= parameterTypes.length) {
// ignore
return;
}
if (!isString(parameterTypes[processParameterContext.getParamNum()])) {
return;
}
final Annotation[] parameterAnnotations =
getParameterAnnotations(processParameterContext.getMethod())[processParameterContext.getParamNum()];
for (final Annotation parameterAnnotation : parameterAnnotations) {
if (parameterAnnotation instanceof RegEx) {
final RegEx annotation = (RegEx) parameterAnnotation;
addRegexFacetAndCorrespondingTitleFacet(processParameterContext.getFacetHolder(), annotation);
return;
}
}
}
private void addRegexFacetAndCorrespondingTitleFacet(final FacetHolder holder, final RegEx annotation) {
final RegExFacet regexFacet = createRegexFacet(annotation, holder);
if (regexFacet == null) {
return;
}
FacetUtil.addFacet(regexFacet);
final TitleFacet titleFacet = createTitleFacet(regexFacet);
FacetUtil.addFacet(titleFacet);
}
private RegExFacet createRegexFacet(final RegEx annotation, final FacetHolder holder) {
if (annotation == null) {
return null;
}
final String validationExpression = annotation.validation();
final boolean caseSensitive = annotation.caseSensitive();
final String formatExpression = annotation.format();
return new RegExFacetAnnotationForParameter(validationExpression, formatExpression, caseSensitive, holder);
}
private TitleFacet createTitleFacet(final RegExFacet regexFacet) {
return new TitleFacetFormattedByRegex(regexFacet);
}
}