/*
* 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.isis.core.progmodel.facets.actions.validate.method;
import java.lang.reflect.Method;
import org.apache.isis.core.commons.lang.NameUtils;
import org.apache.isis.core.metamodel.facetapi.Facet;
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.methodutils.MethodScope;
import org.apache.isis.core.progmodel.facets.MethodFinderUtils;
import org.apache.isis.core.progmodel.facets.MethodPrefixBasedFacetFactoryAbstract;
import org.apache.isis.core.progmodel.facets.MethodPrefixConstants;
import org.apache.isis.core.progmodel.facets.actions.validate.ActionValidationFacet;
/**
* Sets up {@link ActionValidationFacet}.
*/
public class ActionValidationFacetViaValidateMethodFacetFactory extends MethodPrefixBasedFacetFactoryAbstract {
private static final String[] PREFIXES = { MethodPrefixConstants.VALIDATE_PREFIX };
/**
* Note that the {@link Facet}s registered are the generic ones from noa-architecture (where they exist)
*/
public ActionValidationFacetViaValidateMethodFacetFactory() {
super(FeatureType.ACTIONS_ONLY, PREFIXES);
}
// ///////////////////////////////////////////////////////
// Actions
// ///////////////////////////////////////////////////////
@Override
public void process(final ProcessMethodContext processMethodContext) {
attachValidatingAdvisorFacetForValidateMethodIfFound(processMethodContext);
}
private void attachValidatingAdvisorFacetForValidateMethodIfFound(final ProcessMethodContext processMethodContext) {
final Class<?> cls = processMethodContext.getCls();
final Method actionMethod = processMethodContext.getMethod();
final String capitalizedName = NameUtils.capitalizeName(actionMethod.getName());
final Class<?>[] paramTypes = actionMethod.getParameterTypes();
final MethodScope onClass = MethodScope.scopeFor(actionMethod);
final Method validateMethod =
MethodFinderUtils.findMethod(cls, onClass, MethodPrefixConstants.VALIDATE_PREFIX + capitalizedName,
String.class, paramTypes);
if (validateMethod == null) {
return;
}
processMethodContext.removeMethod(validateMethod);
final FacetHolder facetedMethod = processMethodContext.getFacetHolder();
FacetUtil.addFacet(new ActionValidationFacetViaMethod(validateMethod, facetedMethod));
}
}