feign

Class Logger

java.lang.Object

feign.Logger

Direct Known Subclasses:

Logger.ErrorLogger, Logger.JavaLogger, Logger.NoOpLogger

public abstract class Logger
extends Object

Simple logging abstraction for debug messages. Adapted from retrofit.RestAdapter.Log.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Logger.ErrorLogger Logs to System.err.
static class	Logger.JavaLogger Logs to the category Logger at Level.FINE, if loggable.
static class	Logger.Level Controls the level of logging.
static class	Logger.NoOpLogger

Constructor Summary

Constructors

Constructor and Description
Logger()

Method Summary

Modifier and Type	Method and Description
protected abstract void	log(String configKey, String format, Object... args) Override to log requests and responses using your own implementation.
protected Response	logAndRebufferResponse(String configKey, Logger.Level logLevel, Response response, long elapsedTime)
protected IOException	logIOException(String configKey, Logger.Level logLevel, IOException ioe, long elapsedTime)
protected void	logRequest(String configKey, Logger.Level logLevel, Request request)
protected void	logRetry(String configKey, Logger.Level logLevel)
protected static String	methodTag(String configKey)
protected static String	resolveProtocolVersion(Request.ProtocolVersion protocolVersion)
protected boolean	shouldLogRequestHeader(String header) Override to filter out request headers.
protected boolean	shouldLogResponseHeader(String header) Override to filter out response headers.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Logger

public Logger()

Method Detail

methodTag

protected static String methodTag(String configKey)

log

protected abstract void log(String configKey,
                            String format,
                            Object... args)

Override to log requests and responses using your own implementation. Messages will be http request and response text.

Parameters:

configKey - value of Feign.configKey(Class, java.lang.reflect.Method)

format - format string

args - arguments applied to format

shouldLogRequestHeader

protected boolean shouldLogRequestHeader(String header)

Override to filter out request headers.

Parameters:

header - header name

Returns:

true to log a request header

shouldLogResponseHeader

protected boolean shouldLogResponseHeader(String header)

Override to filter out response headers.

Parameters:

header - header name

Returns:

true to log a response header

logRequest

protected void logRequest(String configKey,
                          Logger.Level logLevel,
                          Request request)

logRetry

protected void logRetry(String configKey,
                        Logger.Level logLevel)

logAndRebufferResponse

protected Response logAndRebufferResponse(String configKey,
                                          Logger.Level logLevel,
                                          Response response,
                                          long elapsedTime)
                                   throws IOException

Throws:

IOException

logIOException

protected IOException logIOException(String configKey,
                                     Logger.Level logLevel,
                                     IOException ioe,
                                     long elapsedTime)

resolveProtocolVersion

protected static String resolveProtocolVersion(Request.ProtocolVersion protocolVersion)