package com.thinkbiganalytics.policy.precondition;
/*-
* #%L
* thinkbig-feed-manager-precondition-policy
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* Licensed 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.
* #L%
*/
import com.thinkbiganalytics.policy.ReflectionPolicyAnnotationDiscoverer;
import com.thinkbiganalytics.policy.precondition.transform.PreconditionAnnotationTransformer;
import com.thinkbiganalytics.policy.rest.model.FieldRuleProperty;
import com.thinkbiganalytics.policy.rest.model.PreconditionRule;
import com.thinkbiganalytics.policy.rest.model.PreconditionRuleBuilder;
import org.apache.commons.lang3.StringUtils;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* Service that returns all classes annotated with {@link PreconditionPolicy} transforming the Java classes to user interface friendly {@link PreconditionRule} objects
*/
public class AvailablePolicies {
/**
* Find all classes annotated with {@link PreconditionPolicy} and transfrom them into the user interface object
*
* @return user interface objects of the {@link PreconditionPolicy} on the classpath
*/
public static List<PreconditionRule> discoverPreconditions() {
List<PreconditionRule> rules = new ArrayList<>();
Set<Class<?>>
validators = ReflectionPolicyAnnotationDiscoverer.getTypesAnnotatedWith(PreconditionPolicy.class);
for (Class c : validators) {
PreconditionPolicy policy = (PreconditionPolicy) c.getAnnotation(PreconditionPolicy.class);
String desc = policy.description();
String shortDesc = policy.shortDescription();
if (StringUtils.isBlank(desc) && StringUtils.isNotBlank(shortDesc)) {
desc = shortDesc;
}
if (StringUtils.isBlank(shortDesc) && StringUtils.isNotBlank(desc)) {
shortDesc = desc;
}
List<FieldRuleProperty> properties = PreconditionAnnotationTransformer.instance().getUiProperties(c);
rules.add(new PreconditionRuleBuilder(policy.name()).description(desc).shortDescription(shortDesc)
.addProperties(properties).objectClassType(c).build());
}
return rules;
}
public static List<FieldRuleProperty> findPropertiesMatchingRenderType(List<PreconditionRule> rules, String type) {
return PreconditionAnnotationTransformer.instance().findPropertiesForRulesetMatchingRenderType(rules, type);
}
}