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ResponseHandler.java
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executable file
·98 lines (87 loc) · 2.92 KB
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/*
* Copyright © 2012 The Feign Authors (feign@commonhaus.dev)
*
* 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.FeignException.errorReading;
import static feign.Util.ensureClosed;
import feign.Logger.Level;
import feign.codec.Decoder;
import feign.codec.ErrorDecoder;
import java.io.IOException;
import java.lang.reflect.Type;
/**
* The response handler that is used to provide synchronous support on top of standard response
* handling
*/
public class ResponseHandler {
private final Level logLevel;
private final Logger logger;
private final Decoder decoder;
private final ErrorDecoder errorDecoder;
private final boolean dismiss404;
private final boolean closeAfterDecode;
private final boolean decodeVoid;
private final ResponseInterceptor.Chain executionChain;
public ResponseHandler(
Level logLevel,
Logger logger,
Decoder decoder,
ErrorDecoder errorDecoder,
boolean dismiss404,
boolean closeAfterDecode,
boolean decodeVoid,
ResponseInterceptor.Chain executionChain) {
super();
this.logLevel = logLevel;
this.logger = logger;
this.decoder = decoder;
this.errorDecoder = errorDecoder;
this.dismiss404 = dismiss404;
this.closeAfterDecode = closeAfterDecode;
this.decodeVoid = decodeVoid;
this.executionChain = executionChain;
}
public Object handleResponse(
String configKey, Response response, Type returnType, long elapsedTime) throws Exception {
try {
response = logAndRebufferResponseIfNeeded(configKey, response, elapsedTime);
return executionChain.next(
new InvocationContext(
configKey,
decoder,
errorDecoder,
dismiss404,
closeAfterDecode,
decodeVoid,
response,
returnType));
} catch (final IOException e) {
if (logLevel != Level.NONE) {
logger.logIOException(configKey, logLevel, e, elapsedTime);
}
throw errorReading(response.request(), response, e);
} catch (Exception e) {
ensureClosed(response.body());
throw e;
}
}
private Response logAndRebufferResponseIfNeeded(
String configKey, Response response, long elapsedTime) throws IOException {
if (logLevel == Level.NONE) {
return response;
}
return logger.logAndRebufferResponse(configKey, logLevel, response, elapsedTime);
}
}