openfeign normalized logger
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.gitignore
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vendored
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hs_err_pid*
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hs_err_pid*
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replay_pid*
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replay_pid*
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.idea
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.idea/**
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README.md
149
README.md
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# OpenFeign-NormalizedLogger
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# OpenFeign Normalized Logger
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Normalized Logger for OpenFeign
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Standard OpenFeign logger provides the only approach to log communications -
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it logs every header in separated log entries, the body goes into another log entry.
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It is very inconvenient to deal with such logs in production especially in multithreaded systems.
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This 'Normalized Logger' is intended to combine all log entries related to one request-reply
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communication into one log entry.
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## Old bad Logger
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All parts are separeted from each other:
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1) Request:
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1) request headers - every header is put into separated entry
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2) requst body - at separated entry
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2) Response:
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1) response headers - separately
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2) response body - at separated entry as well
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```
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2022-07-25 14:12:43.572 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] ---> POST https://example.com/api/v1/login HTTP/1.1
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2022-07-25 14:12:43.573 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] Content-Length: 23
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2022-07-25 14:12:43.573 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] Content-Type: application/json
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2022-07-25 14:12:43.574 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4464.5 Safari/537.36
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2022-07-25 14:12:43.575 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login]
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2022-07-25 14:12:43.576 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] {"login":"123456789"}
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2022-07-25 14:12:43.576 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] ---> END HTTP (21-byte body)
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] <--- UNKNOWN 200 (324ms)
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] cache-control: no-cache
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] cf-cache-status: DYNAMIC
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] cf-ray: 730476518ea441ce-AMS
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] content-type: application/json
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] date: Mon, 25 Jul 2022 11:12:43 GMT
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] feature-policy: accelerometer 'none'; camera 'none'; geolocation 'none'; gyroscope 'none'; magnetometer 'none'; microphone 'none'; payment *; usb 'none'
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] referrer-policy: strict-origin-when-cross-origin
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] server: cloudflare
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] set-cookie: ACCESS_TOKEN=eyJh9uygCUMA659bAZ54SHpSNy_KFXQ; Max-Age=1800; Domain=.example.com; Path=/; Secure; SameSite=None
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] strict-transport-security: max-age=31536000
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] x-content-type-options: nosniff
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] x-frame-options: sameorigin
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] x-xss-protection: 1; mode=block
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2022-07-25 14:12:43.901 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login]
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2022-07-25 14:12:43.902 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] {"status":{"code":"OK","message":"OK"},"body":{"id":"20826"}}
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2022-07-25 14:12:43.902 DEBUG 1032530 --- [Executor] feign.Logger : [AuthApi#login] <--- END HTTP (61-byte body)
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```
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## New Normalized Logger
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The whole communication (request and response parts) is combined into one log entry.
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```
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2022-07-25 14:16:06.217 INFO 1057053 --- [Executor] com.pf.profee.api.NormalizedFeignLogger : normalized feign request {AuthApi#login(LoginRequestDto)=[AuthApi#login] }: [
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---> POST https://example.com/api/v1/login HTTP/1.1
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Content-Length: 23
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Content-Type: application/json
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user-agent: bvn13 | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4464.5 Safari/537.36
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{"phone":"123456789"}
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---> END HTTP (21-byte body)
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] has response [
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<--- UNKNOWN 200 (411ms)
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cache-control: no-cache
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cf-cache-status: DYNAMIC
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cf-ray: 73047b41ffd2fa4c-AMS
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content-type: application/json
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date: Mon, 25 Jul 2022 11:16:06 GMT
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expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
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feature-policy: accelerometer 'none'; camera 'none'; geolocation 'none'; gyroscope 'none'; magnetometer 'none'; microphone 'none'; payment *; usb 'none'
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referrer-policy: strict-origin-when-cross-origin
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server: cloudflare
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set-cookie: QA_JWT_ACCESS_TOKEN=eyJhboft6rzD6Be16dXY5lgQNCzOZNFe4ra_NDIdmXlXi19hlvaQ; Max-Age=1800; Domain=.example.com; Path=/; Secure; SameSite=None
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strict-transport-security: max-age=31536000
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x-content-type-options: nosniff
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x-frame-options: sameorigin
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x-xss-protection: 1; mode=block
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{"status":{"code":"OK","message":"OK"},"body":{"id":"20826"}}
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<--- END HTTP (61-byte body)
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]
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```
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# How to use
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In order to user Normalized Logger into the application they must the following.
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## 0) Check the latest version
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at [Maven Central Repo](https://repo1.maven.org/maven2/me/bvn13/openfeign/logger)
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## 1) Add dependency
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for Maven
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```xml
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<dependency>
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<groupId>me.bvn13.openfeign.logger</groupId>
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<artifactId>feign-normalized-logger</artifactId>
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<version>0.1.0</version>
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</dependency>
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```
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for Gradle
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```groovy
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implementation 'me.bvn13.openfeign.logger:feign-normalized-logger:0.1.0'
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```
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## 2) Create Feign configuration and enable logger
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```java
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import feign.Logger;
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public class MyFeignConfig {
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@Bean
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public Logger logger() {
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return new NormalizedFeignLogger();
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}
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}
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```
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### 3) Use this configuration into `@FeignClient` objects
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```java
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@FeignClient(name = "auth", configuration = MyFeignConfig.class)
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public interface AuthApi {
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/*...methods...*/
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}
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```
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### 4) Adjust DEBUG level for Normalized Logger
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for Slf4J + Logback
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```yaml
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logging:
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level:
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me.bvn13.openfeign.logger.NormalizedFeignLogger: DEBUG
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```
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229
pom.xml
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229
pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>me.bvn13.openfeign.logger</groupId>
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<artifactId>feign-normalized-logger</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>OpenFeign Normalized Logger</name>
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<description>Normalized Logger for OpenFeign</description>
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<url>https://github.com/bvn13/OpenFeign-NormalizedLogger</url>
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<licenses>
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<license>
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<name>Apache License, Version 2.0</name>
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<url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
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</license>
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</licenses>
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<properties>
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<!-- Java -->
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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<!-- Encoding -->
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<!-- OpenFeign -->
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<feign.version>11.9.1</feign.version>
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<slf4j.version>1.7.9</slf4j.version>
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<!-- Publishing -->
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<nexus.url>https://s01.oss.sonatype.org</nexus.url>
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<maven-deploy-plugin.version>2.8.2</maven-deploy-plugin.version>
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<maven-surefire-plugin.version>3.0.0-M7</maven-surefire-plugin.version>
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<nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
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<maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
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<gitflow-maven-plugin.version>1.18.0</gitflow-maven-plugin.version>
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</properties>
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<distributionManagement>
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<repository>
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<id>internal.repo</id>
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<name>Temporary Staging Repository</name>
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<url>file://${project.build.directory}/mvn-repo</url>
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</repository>
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</distributionManagement>
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<dependencies>
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<dependency>
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<groupId>io.github.openfeign</groupId>
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<artifactId>feign-core</artifactId>
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<version>${feign.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>${slf4j.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.12</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<finalName>feign-normalized-logger</finalName>
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<pluginManagement>
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<plugins>
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<plugin>
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<artifactId>maven-source-plugin</artifactId>
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<executions>
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<execution>
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<id>attach-sources</id>
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<goals>
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<goal>jar-no-fork</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>${maven-surefire-plugin.version}</version>
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</plugin>
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<plugin>
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<groupId>com.amashchenko.maven.plugin</groupId>
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<artifactId>gitflow-maven-plugin</artifactId>
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<version>${gitflow-maven-plugin.version}</version>
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<configuration>
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<pushRemote>false</pushRemote>
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<gitFlowConfig>
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<developmentBranch>develop</developmentBranch>
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</gitFlowConfig>
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<incrementVersionAtFinish>true</incrementVersionAtFinish>
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<versionDigitToIncrement>2</versionDigitToIncrement>
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</configuration>
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</plugin>
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</plugins>
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</pluginManagement>
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</build>
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<developers>
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<developer>
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<id>bvn13</id>
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<name>Vyacheslav Boyko</name>
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||||||
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<email>dev@bvn13.me</email>
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||||||
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<roles>
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||||||
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<role>Developer</role>
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</roles>
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</developer>
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</developers>
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<scm>
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<connection>scm:git:git://github.com/bvn13/OpenFeign-NormalizedLogger.git</connection>
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<developerConnection>scm:git:ssh://git@github.com:bvn13/OpenFeign-NormalizedLogger.git</developerConnection>
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<tag>HEAD</tag>
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<url>https://github.com/bvn13/OpenFeign-NormalizedLogger.git</url>
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</scm>
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<profiles>
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<profile>
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||||||
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<id>release</id>
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||||||
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<build>
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||||||
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-source-plugin</artifactId>
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<executions>
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<execution>
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||||||
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<id>attach-sources</id>
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<phase>verify</phase>
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||||||
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<goals>
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||||||
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<goal>jar-no-fork</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-javadoc-plugin</artifactId>
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||||||
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<executions>
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||||||
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<execution>
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||||||
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<id>attach-javadocs</id>
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||||||
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<goals>
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||||||
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<goal>jar</goal>
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||||||
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</goals>
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||||||
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</execution>
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||||||
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</executions>
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||||||
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</plugin>
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||||||
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<plugin>
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||||||
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<groupId>org.apache.maven.plugins</groupId>
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||||||
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<artifactId>maven-deploy-plugin</artifactId>
|
||||||
|
<version>${maven-deploy-plugin.version}</version>
|
||||||
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<configuration>
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||||||
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<skip>true</skip>
|
||||||
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</configuration>
|
||||||
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</plugin>
|
||||||
|
<plugin>
|
||||||
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<groupId>org.sonatype.plugins</groupId>
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||||||
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<artifactId>nexus-staging-maven-plugin</artifactId>
|
||||||
|
<version>${nexus-staging-maven-plugin.version}</version>
|
||||||
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<extensions>true</extensions>
|
||||||
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<executions>
|
||||||
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<execution>
|
||||||
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<id>default-deploy</id>
|
||||||
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<phase>deploy</phase>
|
||||||
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<goals>
|
||||||
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<goal>deploy</goal>
|
||||||
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</goals>
|
||||||
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</execution>
|
||||||
|
</executions>
|
||||||
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<configuration>
|
||||||
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<serverId>ossrh</serverId>
|
||||||
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<nexusUrl>${nexus.url}</nexusUrl>
|
||||||
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<autoReleaseAfterClose>true</autoReleaseAfterClose>
|
||||||
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</configuration>
|
||||||
|
</plugin>
|
||||||
|
<plugin>
|
||||||
|
<groupId>org.apache.maven.plugins</groupId>
|
||||||
|
<artifactId>maven-gpg-plugin</artifactId>
|
||||||
|
<version>${maven-gpg-plugin.version}</version>
|
||||||
|
<executions>
|
||||||
|
<execution>
|
||||||
|
<id>sign-artifacts</id>
|
||||||
|
<phase>verify</phase>
|
||||||
|
<goals>
|
||||||
|
<goal>sign</goal>
|
||||||
|
</goals>
|
||||||
|
</execution>
|
||||||
|
</executions>
|
||||||
|
</plugin>
|
||||||
|
</plugins>
|
||||||
|
</build>
|
||||||
|
|
||||||
|
<distributionManagement>
|
||||||
|
<snapshotRepository>
|
||||||
|
<id>ossrh</id>
|
||||||
|
<url>${nexus.url}/content/repositories/snapshots</url>
|
||||||
|
</snapshotRepository>
|
||||||
|
<repository>
|
||||||
|
<id>ossrh</id>
|
||||||
|
<url>${nexus.url}/service/local/staging/deploy/maven2/</url>
|
||||||
|
</repository>
|
||||||
|
</distributionManagement>
|
||||||
|
|
||||||
|
<pluginRepositories>
|
||||||
|
<pluginRepository>
|
||||||
|
<id>jcenter</id>
|
||||||
|
<name>JCenter</name>
|
||||||
|
<url>https://jcenter.bintray.com/</url>
|
||||||
|
</pluginRepository>
|
||||||
|
</pluginRepositories>
|
||||||
|
</profile>
|
||||||
|
</profiles>
|
||||||
|
|
||||||
|
</project>
|
||||||
@ -0,0 +1,122 @@
|
|||||||
|
package me.bvn13.openfeign.logger.normalized;
|
||||||
|
|
||||||
|
import feign.Request;
|
||||||
|
import org.slf4j.Logger;
|
||||||
|
import org.slf4j.LoggerFactory;
|
||||||
|
|
||||||
|
import java.util.Collection;
|
||||||
|
import java.util.Collections;
|
||||||
|
import java.util.Iterator;
|
||||||
|
import java.util.LinkedList;
|
||||||
|
import java.util.List;
|
||||||
|
import java.util.Map;
|
||||||
|
import java.util.concurrent.ConcurrentHashMap;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* OpenFeign Logger
|
||||||
|
* combines request and response part into single log entry:
|
||||||
|
* <br></br>
|
||||||
|
* <pre>
|
||||||
|
* {@code
|
||||||
|
*
|
||||||
|
* normalized feign request (HERE-IS-CLASS-AND-METHOD): [
|
||||||
|
*
|
||||||
|
* ] has response [
|
||||||
|
*
|
||||||
|
* ]
|
||||||
|
* }
|
||||||
|
* </pre>
|
||||||
|
*/
|
||||||
|
public class NormalizedFeignLogger extends feign.Logger {
|
||||||
|
|
||||||
|
private static final Logger log = LoggerFactory.getLogger(NormalizedFeignLogger.class);
|
||||||
|
|
||||||
|
private final ThreadLocal<Map<String, String>> methodName;
|
||||||
|
private final ThreadLocal<Map<String, List<String>>> logsRequest;
|
||||||
|
private final ThreadLocal<Map<String, List<String>>> logsResponse;
|
||||||
|
private final ThreadLocal<Map<String, Boolean>> isResponse;
|
||||||
|
|
||||||
|
public NormalizedFeignLogger() {
|
||||||
|
methodName = new ThreadLocal<>();
|
||||||
|
isResponse = new ThreadLocal<>();
|
||||||
|
logsRequest = new ThreadLocal<>();
|
||||||
|
logsResponse = new ThreadLocal<>();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
protected void logRequest(String configKey, Level logLevel, Request request) {
|
||||||
|
init();
|
||||||
|
super.logRequest(configKey, logLevel, request);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
protected void log(String configKey, String format, Object... args) {
|
||||||
|
if (format.startsWith("--->") && !format.startsWith("---> END")) {
|
||||||
|
// the very beginning
|
||||||
|
clean(configKey);
|
||||||
|
}
|
||||||
|
if (!isResponse.get().getOrDefault(configKey, false)) {
|
||||||
|
log(logsRequest, configKey, format, args);
|
||||||
|
} else {
|
||||||
|
log(logsResponse, configKey, format, args);
|
||||||
|
if (format.startsWith("<--- END")) {
|
||||||
|
showLogs(configKey);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (format.startsWith("---> END")) {
|
||||||
|
isResponse.get().put(configKey, true);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private void init() {
|
||||||
|
if (isResponse.get() == null) {
|
||||||
|
isResponse.set(new ConcurrentHashMap<>());
|
||||||
|
}
|
||||||
|
if (methodName.get() == null) {
|
||||||
|
methodName.set(new ConcurrentHashMap<>());
|
||||||
|
}
|
||||||
|
if (logsRequest.get() == null) {
|
||||||
|
logsRequest.set(new ConcurrentHashMap<>());
|
||||||
|
}
|
||||||
|
if (logsResponse.get() == null) {
|
||||||
|
logsResponse.set(new ConcurrentHashMap<>());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private void clean(String configKey) {
|
||||||
|
isResponse.get().put(configKey, false);
|
||||||
|
methodName.get().put(configKey, methodTag(configKey));
|
||||||
|
logsRequest.get().put(configKey, new LinkedList<>());
|
||||||
|
logsResponse.get().put(configKey, new LinkedList<>());
|
||||||
|
}
|
||||||
|
|
||||||
|
private void log(ThreadLocal<Map<String, List<String>>> container, String configKey, String format, Object... args) {
|
||||||
|
extractList(container, configKey)
|
||||||
|
.add(String.format(format, args));
|
||||||
|
}
|
||||||
|
|
||||||
|
private void showLogs(String configKey) {
|
||||||
|
log.debug("normalized feign request " + methodName.get() + ": [\n" +
|
||||||
|
collectionToDelimitedString(logsRequest.get().getOrDefault(configKey, Collections.emptyList()), "\n") +
|
||||||
|
"\n] has response [\n" +
|
||||||
|
collectionToDelimitedString(logsResponse.get().getOrDefault(configKey, Collections.emptyList()), "\n") +
|
||||||
|
"\n]");
|
||||||
|
}
|
||||||
|
|
||||||
|
private List<String> extractList(ThreadLocal<Map<String, List<String>>> container, String configKey) {
|
||||||
|
return container.get().get(configKey);
|
||||||
|
}
|
||||||
|
|
||||||
|
private String collectionToDelimitedString(Collection<String> collection, String delimeter) {
|
||||||
|
final StringBuilder sb = new StringBuilder();
|
||||||
|
final Iterator<String> iter = collection.iterator();
|
||||||
|
int i = 0;
|
||||||
|
while (iter.hasNext()) {
|
||||||
|
if (i++ > 0) {
|
||||||
|
sb.append(delimeter);
|
||||||
|
}
|
||||||
|
sb.append(iter.next());
|
||||||
|
}
|
||||||
|
return sb.toString();
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user