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Guiced Rabbit Configure Connections and Exchanges by Package
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22 changes: 22 additions & 0 deletions
22
src/main/java/com/guicedee/guicedinjection/InjectLogger.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| package com.guicedee.guicedinjection; | ||
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| import java.lang.annotation.Documented; | ||
| import java.lang.annotation.Retention; | ||
| import java.lang.annotation.Target; | ||
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| import static java.lang.annotation.ElementType.*; | ||
| import static java.lang.annotation.RetentionPolicy.RUNTIME; | ||
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| @Target({METHOD, CONSTRUCTOR, FIELD}) | ||
| @Retention(RUNTIME) | ||
| @Documented | ||
| public @interface InjectLogger | ||
| { | ||
| String value(); | ||
| String level() default ""; | ||
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| String rollingFileName() default ""; | ||
| String fileName() default ""; | ||
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| } |
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32 changes: 32 additions & 0 deletions
32
src/main/java/com/guicedee/guicedinjection/logging/Log4JMembersInjector.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,32 @@ | ||
| package com.guicedee.guicedinjection.logging; | ||
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| import com.google.common.base.Strings; | ||
| import com.google.inject.MembersInjector; | ||
| import com.guicedee.guicedinjection.InjectLogger; | ||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
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| import java.lang.reflect.Field; | ||
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| public class Log4JMembersInjector<T> implements MembersInjector<T> { | ||
| private final Field field; | ||
| private final InjectLogger injectLogger; | ||
| private final Logger logger; | ||
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| Log4JMembersInjector(Field field) { | ||
| this.field = field; | ||
| this.injectLogger = field.getAnnotation(InjectLogger.class); | ||
| String logName = Strings.isNullOrEmpty(injectLogger.value()) ? field.getDeclaringClass().getCanonicalName() : injectLogger.value(); | ||
| this.logger = LogManager.getLogger(logName); | ||
| field.setAccessible(true); | ||
| } | ||
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| public void injectMembers(T t) { | ||
| try { | ||
| field.set(t, logger); | ||
| } catch (IllegalAccessException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
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| } |
24 changes: 24 additions & 0 deletions
24
src/main/java/com/guicedee/guicedinjection/logging/Log4JTypeListener.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,24 @@ | ||
| package com.guicedee.guicedinjection.logging; | ||
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| import com.google.inject.TypeLiteral; | ||
| import com.google.inject.spi.TypeEncounter; | ||
| import com.google.inject.spi.TypeListener; | ||
| import com.guicedee.guicedinjection.InjectLogger; | ||
| import org.apache.logging.log4j.Logger; | ||
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| import java.lang.reflect.Field; | ||
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| public class Log4JTypeListener implements TypeListener { | ||
| public <T> void hear(TypeLiteral<T> typeLiteral, TypeEncounter<T> typeEncounter) { | ||
| Class<?> clazz = typeLiteral.getRawType(); | ||
| while (clazz != null) { | ||
| for (Field field : clazz.getDeclaredFields()) { | ||
| if (field.getType() == Logger.class && | ||
| field.isAnnotationPresent(InjectLogger.class)) { | ||
| typeEncounter.register(new Log4JMembersInjector<T>(field)); | ||
| } | ||
| } | ||
| clazz = clazz.getSuperclass(); | ||
| } | ||
| } | ||
| } |