org.springframework.boot.autoconfigure.session.AbstractSessionCondition Maven / Gradle / Ivy
/*
* Copyright 2012-2019 the original author or authors.
*
* 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
*
* https://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.springframework.boot.autoconfigure.session;
import org.springframework.boot.WebApplicationType;
import org.springframework.boot.autoconfigure.condition.ConditionMessage;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.boot.context.properties.bind.BindException;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.core.env.Environment;
import org.springframework.core.type.AnnotatedTypeMetadata;
import org.springframework.core.type.AnnotationMetadata;
/**
* Base class for Servlet and reactive session conditions.
*
* @author Tommy Ludwig
* @author Stephane Nicoll
* @author Madhura Bhave
* @author Andy Wilkinson
*/
abstract class AbstractSessionCondition extends SpringBootCondition {
private final WebApplicationType webApplicationType;
protected AbstractSessionCondition(WebApplicationType webApplicationType) {
this.webApplicationType = webApplicationType;
}
@Override
public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
ConditionMessage.Builder message = ConditionMessage.forCondition("Session Condition");
Environment environment = context.getEnvironment();
StoreType required = SessionStoreMappings.getType(this.webApplicationType,
((AnnotationMetadata) metadata).getClassName());
if (!environment.containsProperty("spring.session.store-type")) {
return ConditionOutcome.match(message.didNotFind("property", "properties")
.items(ConditionMessage.Style.QUOTE, "spring.session.store-type"));
}
try {
Binder binder = Binder.get(environment);
return binder.bind("spring.session.store-type", StoreType.class)
.map((t) -> new ConditionOutcome(t == required,
message.found("spring.session.store-type property").items(t)))
.orElseGet(() -> ConditionOutcome
.noMatch(message.didNotFind("spring.session.store-type property").atAll()));
}
catch (BindException ex) {
return ConditionOutcome.noMatch(message.found("invalid spring.session.store-type property").atAll());
}
}
}