org.springframework.boot.actuate.cache.CachesEndpointWebExtension Maven / Gradle / Ivy
/*
* Copyright 2012-2018 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.actuate.cache;
import org.springframework.boot.actuate.cache.CachesEndpoint.CacheEntry;
import org.springframework.boot.actuate.endpoint.annotation.DeleteOperation;
import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
import org.springframework.boot.actuate.endpoint.annotation.Selector;
import org.springframework.boot.actuate.endpoint.web.WebEndpointResponse;
import org.springframework.boot.actuate.endpoint.web.annotation.EndpointWebExtension;
import org.springframework.lang.Nullable;
/**
* {@link EndpointWebExtension} for the {@link CachesEndpoint}.
*
* @author Stephane Nicoll
* @since 2.1.0
*/
@EndpointWebExtension(endpoint = CachesEndpoint.class)
public class CachesEndpointWebExtension {
private final CachesEndpoint delegate;
public CachesEndpointWebExtension(CachesEndpoint delegate) {
this.delegate = delegate;
}
@ReadOperation
public WebEndpointResponse cache(@Selector String cache,
@Nullable String cacheManager) {
try {
CacheEntry entry = this.delegate.cache(cache, cacheManager);
int status = (entry != null) ? WebEndpointResponse.STATUS_OK
: WebEndpointResponse.STATUS_NOT_FOUND;
return new WebEndpointResponse<>(entry, status);
}
catch (NonUniqueCacheException ex) {
return new WebEndpointResponse<>(WebEndpointResponse.STATUS_BAD_REQUEST);
}
}
@DeleteOperation
public WebEndpointResponse clearCache(@Selector String cache,
@Nullable String cacheManager) {
try {
boolean cleared = this.delegate.clearCache(cache, cacheManager);
int status = (cleared ? WebEndpointResponse.STATUS_NO_CONTENT
: WebEndpointResponse.STATUS_NOT_FOUND);
return new WebEndpointResponse<>(status);
}
catch (NonUniqueCacheException ex) {
return new WebEndpointResponse<>(WebEndpointResponse.STATUS_BAD_REQUEST);
}
}
}