io.gravitee.gateway.handlers.api.policy.RuleBasedPolicyResolver Maven / Gradle / Ivy
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/*
* 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.handlers.api.policy;
import io.gravitee.definition.model.Rule;
import io.gravitee.gateway.api.ExecutionContext;
import io.gravitee.gateway.flow.policy.PolicyResolver;
import io.gravitee.gateway.policy.PolicyMetadata;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
/**
* A {@link PolicyResolver} based on the rules from API v1 definitions.
*
* @author David BRASSELY (david.brassely at graviteesource.com)
* @author GraviteeSource Team
*/
public abstract class RuleBasedPolicyResolver implements PolicyResolver {
protected List resolve(ExecutionContext context, List rules) {
if (rules != null && !rules.isEmpty()) {
return rules
.stream()
.filter(rule -> rule.isEnabled() && rule.getMethods().contains(context.request().method()))
.map(rule -> new PolicyMetadata(rule.getPolicy().getName(), rule.getPolicy().getConfiguration()))
.collect(Collectors.toList());
}
return Collections.emptyList();
}
}
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