diff --git a/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/DockerPatternConverter.java b/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/DockerPatternConverter.java new file mode 100644 index 0000000000..c2e40cd565 --- /dev/null +++ b/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/DockerPatternConverter.java @@ -0,0 +1,30 @@ +package com.baeldung.logging.log4j2.plugins; + +import org.apache.logging.log4j.core.LogEvent; +import org.apache.logging.log4j.core.config.plugins.Plugin; +import org.apache.logging.log4j.core.pattern.ConverterKeys; +import org.apache.logging.log4j.core.pattern.LogEventPatternConverter; +import org.apache.logging.log4j.core.pattern.PatternConverter; + +@Plugin(name = "DockerPatternConverter", category = PatternConverter.CATEGORY) +@ConverterKeys({"docker", "container"}) +public class DockerPatternConverter extends LogEventPatternConverter { + + private DockerPatternConverter(String[] options) { + super("Docker", "docker"); + } + + public static DockerPatternConverter newInstance(String[] options) { + return new DockerPatternConverter(options); + } + + @Override + public void format(LogEvent event, StringBuilder toAppendTo) { + toAppendTo.append(dockerContainer()); + } + + private String dockerContainer() { + //get docker container ID inside which application is running here + return "container-1"; + } +} diff --git a/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/KafkaAppender.java b/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/KafkaAppender.java new file mode 100644 index 0000000000..3e91aa5e94 --- /dev/null +++ b/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/KafkaAppender.java @@ -0,0 +1,133 @@ +package com.baeldung.logging.log4j2.plugins; + +import org.apache.logging.log4j.core.Core; +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.appender.AbstractAppender; +import org.apache.logging.log4j.core.config.plugins.Plugin; +import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute; +import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory; +import org.apache.logging.log4j.core.config.plugins.PluginElement; +import org.apache.logging.log4j.core.config.plugins.validation.constraints.Required; + +import java.io.Serializable; + +@Plugin(name = "Kafka2", category = Core.CATEGORY_NAME) +public class KafkaAppender extends AbstractAppender { + + @PluginBuilderFactory + public static Builder newBuilder() { + return new Builder(); + } + + public static class Builder implements org.apache.logging.log4j.core.util.Builder { + + @PluginBuilderAttribute("name") + @Required + private String name; + + @PluginBuilderAttribute("ip") + private String ipAddress; + + @PluginBuilderAttribute("port") + private int port; + + @PluginBuilderAttribute("topic") + private String topic; + + @PluginBuilderAttribute("partition") + private String partition; + + @PluginElement("Layout") + private Layout layout; + + @PluginElement("Filter") + private Filter filter; + + public Layout getLayout() { + return layout; + } + + public Builder setLayout(Layout layout) { + this.layout = layout; + return this; + } + + public Filter getFilter() { + return filter; + } + + public String getName() { + return name; + } + + public Builder setName(String name) { + this.name = name; + return this; + } + + public Builder setFilter(Filter filter) { + this.filter = filter; + return this; + } + + public String getIpAddress() { + return ipAddress; + } + + public Builder setIpAddress(String ipAddress) { + this.ipAddress = ipAddress; + return this; + } + + public int getPort() { + return port; + } + + public Builder setPort(int port) { + this.port = port; + return this; + } + + public String getTopic() { + return topic; + } + + public Builder setTopic(String topic) { + this.topic = topic; + return this; + } + + public String getPartition() { + return partition; + } + + public Builder setPartition(String partition) { + this.partition = partition; + return this; + } + + @Override + public KafkaAppender build() { + return new KafkaAppender(getName(), getFilter(), getLayout(), true, new KafkaBroker(ipAddress, port, topic, partition)); + } + } + + private KafkaBroker broker; + + private KafkaAppender(String name, Filter filter, Layout layout, boolean ignoreExceptions, KafkaBroker broker) { + super(name, filter, layout, ignoreExceptions); + this.broker = broker; + } + + @Override + public void append(LogEvent event) { + + connectAndSendToKafka(broker, event); + } + + private void connectAndSendToKafka(KafkaBroker broker, LogEvent event) { + //send to Kafka + } +} diff --git a/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/KafkaBroker.java b/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/KafkaBroker.java new file mode 100644 index 0000000000..0479e71c41 --- /dev/null +++ b/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/KafkaBroker.java @@ -0,0 +1,38 @@ +package com.baeldung.logging.log4j2.plugins; + +import java.io.Serializable; + +public class KafkaBroker implements Serializable { + + private final String ipAddress; + private final int port; + + public KafkaBroker(String ipAddress, int port, String topic, String partition) { + this.ipAddress = ipAddress; + this.port = port; + this.topic = topic; + this.partition = partition; + } + + public String getTopic() { + return topic; + } + + public String getPartition() { + return partition; + } + + private final String topic; + private final String partition; + + + public String getIpAddress() { + return ipAddress; + } + + public int getPort() { + return port; + } + + +} diff --git a/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/KafkaLookup.java b/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/KafkaLookup.java new file mode 100644 index 0000000000..c2679861c4 --- /dev/null +++ b/logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/plugins/KafkaLookup.java @@ -0,0 +1,24 @@ +package com.baeldung.logging.log4j2.plugins; + +import org.apache.logging.log4j.core.LogEvent; +import org.apache.logging.log4j.core.config.plugins.Plugin; +import org.apache.logging.log4j.core.lookup.StrLookup; + +@Plugin(name = "kafka", category = StrLookup.CATEGORY) +public class KafkaLookup implements StrLookup { + + @Override + public String lookup(String key) { + return getFromKafka(key); + } + + @Override + public String lookup(LogEvent event, String key) { + return getFromKafka(key); + } + + private String getFromKafka(String topicName) { + //kafka search logic should go here + return "topic1-p1"; + } +} diff --git a/logging-modules/log4j2/src/test/resources/log4j2.xml b/logging-modules/log4j2/src/test/resources/log4j2.xml index ee26bcecf2..050e0aa705 100644 --- a/logging-modules/log4j2/src/test/resources/log4j2.xml +++ b/logging-modules/log4j2/src/test/resources/log4j2.xml @@ -50,6 +50,12 @@ + + + + + + + + +