io.micrometer.core.ipc.http.HttpStatusClass Maven / Gradle / Ivy
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/**
* Copyright 2018 VMware, Inc.
*
* 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 io.micrometer.core.ipc.http;
/**
* The class of HTTP status. Simplification of {@code io.netty.handler.codec.http.HttpStatusClass}.
*
* @author Jon Schneider
*/
enum HttpStatusClass {
INFORMATIONAL(100, 200),
SUCCESS(200, 300),
REDIRECTION(300, 400),
CLIENT_ERROR(400, 500),
SERVER_ERROR(500, 600),
UNKNOWN(0, 0) {
@Override
public boolean contains(int code) {
return code < 100 || code >= 600;
}
};
/**
* Returns the class of the specified HTTP status code.
*/
public static HttpStatusClass valueOf(int code) {
if (INFORMATIONAL.contains(code)) {
return INFORMATIONAL;
}
if (SUCCESS.contains(code)) {
return SUCCESS;
}
if (REDIRECTION.contains(code)) {
return REDIRECTION;
}
if (CLIENT_ERROR.contains(code)) {
return CLIENT_ERROR;
}
if (SERVER_ERROR.contains(code)) {
return SERVER_ERROR;
}
return UNKNOWN;
}
private final int min;
private final int max;
HttpStatusClass(int min, int max) {
this.min = min;
this.max = max;
}
/**
* Returns {@code true} if and only if the specified HTTP status code falls into this class.
*/
public boolean contains(int code) {
return code >= min && code < max;
}
}