io.gravitee.gateway.flow.condition.ConditionalFlowResolver Maven / Gradle / Ivy
/*
* Copyright © 2015 The Gravitee team (http://gravitee.io)
*
* 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.
*/
package io.gravitee.gateway.flow.condition;
import io.gravitee.definition.model.flow.Flow;
import io.gravitee.gateway.api.ExecutionContext;
import io.gravitee.gateway.core.condition.ConditionEvaluator;
import io.gravitee.gateway.flow.AbstractFlowResolver;
import java.util.List;
import java.util.stream.Collectors;
/**
* @author David BRASSELY (david.brassely at graviteesource.com)
* @author GraviteeSource Team
*/
public abstract class ConditionalFlowResolver extends AbstractFlowResolver {
private final ConditionEvaluator evaluator;
public ConditionalFlowResolver(ConditionEvaluator evaluator) {
this.evaluator = evaluator;
}
@Override
public List resolve(ExecutionContext context) {
return resolve0(context)
.stream()
.filter(Flow::isEnabled)
.filter(flow -> evaluator.evaluate(context, flow))
.collect(Collectors.toList());
}
protected abstract List resolve0(ExecutionContext context);
}