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Slf4jLogger.java
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75 lines (65 loc) · 2.31 KB
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/**
* Copyright 2012-2018 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.slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import feign.Request;
import feign.Response;
/**
* Logs to SLF4J at the debug level, if the underlying logger has debug logging enabled. The
* underlying logger can be specified at construction-time, defaulting to the logger for
* {@link feign.Logger}.
*/
public class Slf4jLogger extends feign.Logger {
private final Logger logger;
public Slf4jLogger() {
this(feign.Logger.class);
}
public Slf4jLogger(Class<?> clazz) {
this(LoggerFactory.getLogger(clazz));
}
public Slf4jLogger(String name) {
this(LoggerFactory.getLogger(name));
}
Slf4jLogger(Logger logger) {
this.logger = logger;
}
@Override
protected void logRequest(String configKey, Level logLevel, Request request) {
if (logger.isDebugEnabled()) {
super.logRequest(configKey, logLevel, request);
}
}
@Override
protected Response logAndRebufferResponse(String configKey,
Level logLevel,
Response response,
long elapsedTime)
throws IOException {
if (logger.isDebugEnabled()) {
return super.logAndRebufferResponse(configKey, logLevel, response, elapsedTime);
}
return response;
}
@Override
protected void log(String configKey, String format, Object... args) {
// Not using SLF4J's support for parameterized messages (even though it would be more efficient)
// because it would
// require the incoming message formats to be SLF4J-specific.
if (logger.isDebugEnabled()) {
logger.debug(String.format(methodTag(configKey) + format, args));
}
}
}