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Spring Boot Actuator AutoConfigure
/*
* Copyright 2012-2020 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.autoconfigure.web.servlet;
import java.util.Map;
import org.springframework.boot.autoconfigure.web.ErrorProperties;
import org.springframework.boot.web.error.ErrorAttributeOptions;
import org.springframework.boot.web.error.ErrorAttributeOptions.Include;
import org.springframework.boot.web.servlet.error.ErrorAttributes;
import org.springframework.boot.web.servlet.error.ErrorController;
import org.springframework.stereotype.Controller;
import org.springframework.util.Assert;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.context.request.ServletWebRequest;
/**
* {@link Controller @Controller} for handling "/error" path when the management servlet
* is in a child context. The regular {@link ErrorController} should be available there
* but because of the way the handler mappings are set up it will not be detected.
*
* @author Dave Syer
* @author Scott Frederick
* @since 2.0.0
*/
@Controller
public class ManagementErrorEndpoint {
private final ErrorAttributes errorAttributes;
private final ErrorProperties errorProperties;
public ManagementErrorEndpoint(ErrorAttributes errorAttributes, ErrorProperties errorProperties) {
Assert.notNull(errorAttributes, "ErrorAttributes must not be null");
Assert.notNull(errorProperties, "ErrorProperties must not be null");
this.errorAttributes = errorAttributes;
this.errorProperties = errorProperties;
}
@RequestMapping("${server.error.path:${error.path:/error}}")
@ResponseBody
public Map invoke(ServletWebRequest request) {
return this.errorAttributes.getErrorAttributes(request, getErrorAttributeOptions(request));
}
private ErrorAttributeOptions getErrorAttributeOptions(ServletWebRequest request) {
ErrorAttributeOptions options = ErrorAttributeOptions.defaults();
if (this.errorProperties.isIncludeException()) {
options = options.including(Include.EXCEPTION);
}
if (includeStackTrace(request)) {
options = options.including(Include.STACK_TRACE);
}
if (includeMessage(request)) {
options = options.including(Include.MESSAGE);
}
if (includeBindingErrors(request)) {
options = options.including(Include.BINDING_ERRORS);
}
return options;
}
@SuppressWarnings("deprecation")
private boolean includeStackTrace(ServletWebRequest request) {
switch (this.errorProperties.getIncludeStacktrace()) {
case ALWAYS:
return true;
case ON_PARAM:
case ON_TRACE_PARAM:
return getBooleanParameter(request, "trace");
default:
return false;
}
}
private boolean includeMessage(ServletWebRequest request) {
switch (this.errorProperties.getIncludeMessage()) {
case ALWAYS:
return true;
case ON_PARAM:
return getBooleanParameter(request, "message");
default:
return false;
}
}
private boolean includeBindingErrors(ServletWebRequest request) {
switch (this.errorProperties.getIncludeBindingErrors()) {
case ALWAYS:
return true;
case ON_PARAM:
return getBooleanParameter(request, "errors");
default:
return false;
}
}
protected boolean getBooleanParameter(ServletWebRequest request, String parameterName) {
String parameter = request.getParameter(parameterName);
if (parameter == null) {
return false;
}
return !"false".equalsIgnoreCase(parameter);
}
}