/*
* Copyright 2012-2016 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.endpoint.mvc;
import org.springframework.boot.actuate.endpoint.Endpoint;
import org.springframework.http.ResponseEntity;
import org.springframework.util.Assert;
/**
* Abstract base class for {@link MvcEndpoint} implementations.
*
* @param <E> The delegate endpoint
* @author Dave Syer
* @author Andy Wilkinson
* @author Phillip Webb
* @since 1.3.0
*/
public abstract class AbstractEndpointMvcAdapter<E extends Endpoint<?>>
implements NamedMvcEndpoint {
private final E delegate;
/**
* Endpoint URL path.
*/
private String path;
/**
* Create a new {@link EndpointMvcAdapter}.
* @param delegate the underlying {@link Endpoint} to adapt.
*/
public AbstractEndpointMvcAdapter(E delegate) {
Assert.notNull(delegate, "Delegate must not be null");
this.delegate = delegate;
}
protected Object invoke() {
if (!this.delegate.isEnabled()) {
// Shouldn't happen - shouldn't be registered when delegate's disabled
return getDisabledResponse();
}
return this.delegate.invoke();
}
public E getDelegate() {
return this.delegate;
}
@Override
public String getName() {
return this.delegate.getId();
}
@Override
public String getPath() {
return (this.path != null ? this.path : "/" + this.delegate.getId());
}
public void setPath(String path) {
while (path.endsWith("/")) {
path = path.substring(0, path.length() - 1);
}
if (!path.startsWith("/")) {
path = "/" + path;
}
this.path = path;
}
@Override
public boolean isSensitive() {
return this.delegate.isSensitive();
}
@Override
@SuppressWarnings("rawtypes")
public Class<? extends Endpoint> getEndpointType() {
return this.delegate.getClass();
}
/**
* Returns the response that should be returned when the endpoint is disabled.
* @return The response to be returned when the endpoint is disabled
* @since 1.2.4
* @see Endpoint#isEnabled()
*/
protected ResponseEntity<?> getDisabledResponse() {
return MvcEndpoint.DISABLED_RESPONSE;
}
}