/*
* Copyright 2012-2017 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
*
* 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.springframework.boot.actuate.condition;
import org.springframework.boot.autoconfigure.condition.ConditionMessage;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.context.annotation.Condition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.env.Environment;
import org.springframework.core.type.AnnotatedTypeMetadata;
/**
* {@link Condition} that checks whether or not an endpoint is enabled.
*
* @author Andy Wilkinson
* @author Madhura Bhave
*/
class OnEnabledEndpointCondition extends SpringBootCondition {
@Override
public ConditionOutcome getMatchOutcome(ConditionContext context,
AnnotatedTypeMetadata metadata) {
AnnotationAttributes annotationAttributes = AnnotationAttributes.fromMap(metadata
.getAnnotationAttributes(ConditionalOnEnabledEndpoint.class.getName()));
String endpointName = annotationAttributes.getString("value");
boolean enabledByDefault = annotationAttributes.getBoolean("enabledByDefault");
ConditionOutcome outcome = determineEndpointOutcome(endpointName,
enabledByDefault, context);
if (outcome != null) {
return outcome;
}
return determineAllEndpointsOutcome(context);
}
private ConditionOutcome determineEndpointOutcome(String endpointName,
boolean enabledByDefault, ConditionContext context) {
Environment environment = context.getEnvironment();
String enabledProperty = "endpoints." + endpointName + ".enabled";
if (environment.containsProperty(enabledProperty) || !enabledByDefault) {
boolean match = environment.getProperty(enabledProperty, Boolean.class,
enabledByDefault);
ConditionMessage message = ConditionMessage
.forCondition(ConditionalOnEnabledEndpoint.class,
"(" + endpointName + ")")
.because(match ? "enabled" : "disabled");
return new ConditionOutcome(match, message);
}
return null;
}
private ConditionOutcome determineAllEndpointsOutcome(ConditionContext context) {
boolean match = Boolean.valueOf(
context.getEnvironment().getProperty("endpoints.enabled", "true"));
ConditionMessage message = ConditionMessage
.forCondition(ConditionalOnEnabledEndpoint.class)
.because("All endpoints are " + (match ? "enabled" : "disabled")
+ " by default");
return new ConditionOutcome(match, message);
}
}