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FeignException.java
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232 lines (200 loc) · 6.41 KB
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/**
* Copyright 2012-2019 The Feign 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 feign;
import static feign.Util.UTF_8;
import static java.lang.String.format;
import java.io.IOException;
/**
* Origin exception type for all Http Apis.
*/
public class FeignException extends RuntimeException {
private static final long serialVersionUID = 0;
private int status;
private byte[] content;
protected FeignException(int status, String message, Throwable cause) {
super(message, cause);
this.status = status;
}
protected FeignException(int status, String message, Throwable cause, byte[] content) {
super(message, cause);
this.status = status;
this.content = content;
}
protected FeignException(int status, String message) {
super(message);
this.status = status;
}
protected FeignException(int status, String message, byte[] content) {
super(message);
this.status = status;
this.content = content;
}
public int status() {
return this.status;
}
public byte[] content() {
return this.content;
}
public String contentUTF8() {
if (content != null) {
return new String(content, UTF_8);
} else {
return "";
}
}
static FeignException errorReading(Request request, Response response, IOException cause) {
return new FeignException(
response.status(),
format("%s reading %s %s", cause.getMessage(), request.httpMethod(), request.url()),
cause,
request.requestBody().asBytes());
}
public static FeignException errorStatus(String methodKey, Response response) {
String message = format("status %s reading %s", response.status(), methodKey);
byte[] body = {};
try {
if (response.body() != null) {
body = Util.toByteArray(response.body().asInputStream());
}
} catch (IOException ignored) { // NOPMD
}
return errorStatus(response.status(), message, body);
}
private static FeignException errorStatus(int status, String message, byte[] body) {
switch (status) {
case 400:
return new BadRequest(message, body);
case 401:
return new Unauthorized(message, body);
case 403:
return new Forbidden(message, body);
case 404:
return new NotFound(message, body);
case 405:
return new MethodNotAllowed(message, body);
case 406:
return new NotAcceptable(message, body);
case 409:
return new Conflict(message, body);
case 410:
return new Gone(message, body);
case 415:
return new UnsupportedMediaType(message, body);
case 429:
return new TooManyRequests(message, body);
case 422:
return new UnprocessableEntity(message, body);
case 500:
return new InternalServerError(message, body);
case 501:
return new NotImplemented(message, body);
case 502:
return new BadGateway(message, body);
case 503:
return new ServiceUnavailable(message, body);
case 504:
return new GatewayTimeout(message, body);
default:
return new FeignException(status, message, body);
}
}
static FeignException errorExecuting(Request request, IOException cause) {
return new RetryableException(
-1,
format("%s executing %s %s", cause.getMessage(), request.httpMethod(), request.url()),
request.httpMethod(),
cause,
null);
}
public static class BadRequest extends FeignException {
public BadRequest(String message, byte[] body) {
super(400, message, body);
}
}
public static class Unauthorized extends FeignException {
public Unauthorized(String message, byte[] body) {
super(401, message, body);
}
}
public static class Forbidden extends FeignException {
public Forbidden(String message, byte[] body) {
super(403, message, body);
}
}
public static class NotFound extends FeignException {
public NotFound(String message, byte[] body) {
super(404, message, body);
}
}
public static class MethodNotAllowed extends FeignException {
public MethodNotAllowed(String message, byte[] body) {
super(405, message, body);
}
}
public static class NotAcceptable extends FeignException {
public NotAcceptable(String message, byte[] body) {
super(406, message, body);
}
}
public static class Conflict extends FeignException {
public Conflict(String message, byte[] body) {
super(409, message, body);
}
}
public static class Gone extends FeignException {
public Gone(String message, byte[] body) {
super(410, message, body);
}
}
public static class UnsupportedMediaType extends FeignException {
public UnsupportedMediaType(String message, byte[] body) {
super(415, message, body);
}
}
public static class TooManyRequests extends FeignException {
public TooManyRequests(String message, byte[] body) {
super(429, message, body);
}
}
public static class UnprocessableEntity extends FeignException {
public UnprocessableEntity(String message, byte[] body) {
super(422, message, body);
}
}
public static class InternalServerError extends FeignException {
public InternalServerError(String message, byte[] body) {
super(500, message, body);
}
}
public static class NotImplemented extends FeignException {
public NotImplemented(String message, byte[] body) {
super(501, message, body);
}
}
public static class BadGateway extends FeignException {
public BadGateway(String message, byte[] body) {
super(502, message, body);
}
}
public static class ServiceUnavailable extends FeignException {
public ServiceUnavailable(String message, byte[] body) {
super(503, message, body);
}
}
public static class GatewayTimeout extends FeignException {
public GatewayTimeout(String message, byte[] body) {
super(504, message, body);
}
}
}