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Changes as per suggestion to BAEL-1960

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root 2018-07-25 00:21:47 +05:30
parent d0c619a0ad
commit 380dce8e6e
2 changed files with 12 additions and 19 deletions
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26
logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/appender/MapAppender.java
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@ -3,46 +3,42 @@
*/ */
package com.baeldung.logging.log4j2.appender; package com.baeldung.logging.log4j2.appender;
import java.io.Serializable;
import java.time.Instant; import java.time.Instant;
import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap; import java.util.concurrent.ConcurrentMap;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.core.Appender; import org.apache.logging.log4j.core.Appender;
import org.apache.logging.log4j.core.Core; import org.apache.logging.log4j.core.Core;
import org.apache.logging.log4j.core.Filter; import org.apache.logging.log4j.core.Filter;
import org.apache.logging.log4j.core.Layout;
import org.apache.logging.log4j.core.LogEvent; import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.appender.AbstractAppender; import org.apache.logging.log4j.core.appender.AbstractAppender;
import org.apache.logging.log4j.core.config.plugins.Plugin; import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.config.plugins.PluginAttribute; import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
import org.apache.logging.log4j.core.config.plugins.PluginElement; import org.apache.logging.log4j.core.config.plugins.PluginElement;
import org.apache.logging.log4j.core.config.plugins.PluginFactory; import org.apache.logging.log4j.core.config.plugins.PluginFactory;
import org.apache.logging.log4j.core.layout.PatternLayout;
@Plugin(name = "MapAppender", category = Core.CATEGORY_NAME, elementType = Appender.ELEMENT_TYPE, printObject = true) @Plugin(name = "MapAppender", category = Core.CATEGORY_NAME, elementType = Appender.ELEMENT_TYPE, printObject = false)
public class MapAppender extends AbstractAppender { public class MapAppender extends AbstractAppender {
private ConcurrentMap<String, LogEvent> eventMap = new ConcurrentHashMap<>(); private ConcurrentMap<String, LogEvent> eventMap = new ConcurrentHashMap<>();
protected MapAppender(String name, Filter filter, Layout<? extends Serializable> layout) { protected MapAppender(String name, Filter filter) {
super(name, filter, layout); super(name, filter, null);
} }
@PluginFactory @PluginFactory
public static MapAppender createAppender(@PluginAttribute("name") String name, @PluginElement("Layout") Layout<? extends Serializable> layout, @PluginElement("Filter") final Filter filter) { public static MapAppender createAppender(@PluginAttribute("name") String name, @PluginElement("Filter") final Filter filter) {
if (name == null) { return new MapAppender(name, filter);
LOGGER.error("No name provided for MapAppender");
return null;
}
if (layout == null) {
layout = PatternLayout.createDefaultLayout();
}
return new MapAppender(name, filter, layout);
} }
@Override @Override
public void append(LogEvent event) { public void append(LogEvent event) {
if (event.getLevel()
.isLessSpecificThan(Level.WARN)) {
error("Unable to log less than WARN level.");
return;
}
eventMap.put(Instant.now() eventMap.put(Instant.now()
.toString(), event); .toString(), event);
} }

5
logging-modules/log4j2/src/test/resources/log4j2.xml
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@ -51,10 +51,7 @@
<SizeBasedTriggeringPolicy size="17 kB" /> <SizeBasedTriggeringPolicy size="17 kB" />
</Policies> </Policies>
</RollingFile> </RollingFile>
<MapAppender name="MapAppender"> <MapAppender name="MapAppender"/>
<PatternLayout
pattern=" Date: %d | level:%level | class name:%logger | method name:%M() | line number:%L | Location: %l | message:%m%n" />
</MapAppender>
</Appenders> </Appenders>
<Loggers> <Loggers>
<Logger name="CONSOLE_PATTERN_APPENDER_MARKER" level="TRACE" <Logger name="CONSOLE_PATTERN_APPENDER_MARKER" level="TRACE"