Renamed log4j appender module

spring-data-mongodb-log4j/src/main/java/org/springframework/data/document/mongodb/log4j/MongoLog4jAppender.java

@@ -0,0 +1,196 @@
+/*
+ * Copyright (c) 2011 by the original author(s).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.data.document.mongodb.log4j;
+
+import java.net.UnknownHostException;
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Map;
+
+import com.mongodb.BasicDBList;
+import com.mongodb.BasicDBObject;
+import com.mongodb.DB;
+import com.mongodb.Mongo;
+import com.mongodb.WriteConcern;
+import org.apache.log4j.AppenderSkeleton;
+import org.apache.log4j.Level;
+import org.apache.log4j.spi.LoggingEvent;
+
+/**
+ * @author Jon Brisbin <jbrisbin@vmware.com>
+ */
+public class MongoLog4jAppender extends AppenderSkeleton {
+
+  public static final String LEVEL = "level";
+  public static final String NAME = "name";
+  public static final String APP_ID = "applicationId";
+  public static final String TIMESTAMP = "timestamp";
+  public static final String PROPERTIES = "properties";
+  public static final String TRACEBACK = "traceback";
+  public static final String MESSAGE = "message";
+
+  protected String host = "localhost";
+  protected int port = 27017;
+  protected String database = "logs";
+  protected String collection = null;
+  protected String applicationId = System.getProperty("APPLICATION_ID", null);
+  protected WriteConcern warnOrHigherWriteConcern = WriteConcern.SAFE;
+  protected WriteConcern infoOrLowerWriteConcern = WriteConcern.NORMAL;
+  protected Mongo mongo;
+  protected DB db;
+
+  public MongoLog4jAppender() {
+  }
+
+  public MongoLog4jAppender(boolean isActive) {
+    super(isActive);
+  }
+
+  public String getHost() {
+    return host;
+  }
+
+  public void setHost(String host) {
+    this.host = host;
+  }
+
+  public int getPort() {
+    return port;
+  }
+
+  public void setPort(int port) {
+    this.port = port;
+  }
+
+  public String getDatabase() {
+    return database;
+  }
+
+  public void setDatabase(String database) {
+    this.database = database;
+  }
+
+  public String getCollection() {
+    return collection;
+  }
+
+  public void setCollection(String collection) {
+    this.collection = collection;
+  }
+
+  public String getApplicationId() {
+    return applicationId;
+  }
+
+  public void setApplicationId(String applicationId) {
+    this.applicationId = applicationId;
+  }
+
+  public void setWarnOrHigherWriteConcern(String wc) {
+    this.warnOrHigherWriteConcern = WriteConcern.valueOf(wc);
+  }
+
+  public String getWarnOrHigherWriteConcern() {
+    return warnOrHigherWriteConcern.toString();
+  }
+
+  public String getInfoOrLowerWriteConcern() {
+    return infoOrLowerWriteConcern.toString();
+  }
+
+  public void setInfoOrLowerWriteConcern(String wc) {
+    this.infoOrLowerWriteConcern = WriteConcern.valueOf(wc);
+  }
+
+  protected void connectToMongo() throws UnknownHostException {
+    this.mongo = new Mongo(host, port);
+    this.db = mongo.getDB(database);
+  }
+
+  @SuppressWarnings({"unchecked"})
+  @Override
+  protected void append(final LoggingEvent event) {
+    if (null == db) {
+      try {
+        connectToMongo();
+      } catch (UnknownHostException e) {
+        throw new RuntimeException(e.getMessage(), e);
+      }
+    }
+
+    BasicDBObject dbo = new BasicDBObject();
+    dbo.put(APP_ID, applicationId);
+    dbo.put(NAME, event.getLogger().getName());
+    dbo.put(LEVEL, event.getLevel().toString());
+    Calendar tstamp = Calendar.getInstance();
+    tstamp.setTimeInMillis(event.getTimeStamp());
+    dbo.put(TIMESTAMP, tstamp.getTime());
+
+    // Copy properties into document
+    Map<Object, Object> props = event.getProperties();
+    if (null != props && props.size() > 0) {
+      BasicDBObject propsDbo = new BasicDBObject();
+      for (Map.Entry<Object, Object> entry : props.entrySet()) {
+        propsDbo.put(entry.getKey().toString(), entry.getValue().toString());
+      }
+      dbo.put(PROPERTIES, propsDbo);
+    }
+
+    // Copy traceback info (if there is any) into the document
+    String[] traceback = event.getThrowableStrRep();
+    if (null != traceback && traceback.length > 0) {
+      BasicDBList tbDbo = new BasicDBList();
+      tbDbo.addAll(Arrays.asList(traceback));
+      dbo.put(TRACEBACK, tbDbo);
+    }
+
+    // Put the rendered message into the document
+    dbo.put(MESSAGE, event.getRenderedMessage());
+
+    // Insert the document
+    String coll;
+    if (null == collection) {
+      // Use the category name
+      coll = event.getLogger().getName();
+    } else {
+      Calendar now = Calendar.getInstance();
+      coll = String.format(collection,
+          now.get(Calendar.YEAR),
+          now.get(Calendar.MONTH + 1),
+          now.get(Calendar.DAY_OF_MONTH),
+          now.get(Calendar.HOUR_OF_DAY),
+          event.getLevel().toString(),
+          event.getLogger().getName());
+    }
+
+    WriteConcern wc;
+    if (event.getLevel().isGreaterOrEqual(Level.WARN)) {
+      wc = warnOrHigherWriteConcern;
+    } else {
+      wc = infoOrLowerWriteConcern;
+    }
+    db.getCollection(coll).insert(dbo, wc);
+  }
+
+  public void close() {
+    mongo.close();
+  }
+
+  public boolean requiresLayout() {
+    return true;
+  }
+}

spring-data-mongodb-log4j/src/test/java/org/springframework/data/document/mongodb/log4j/AppenderTest.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2011 by the original author(s).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.data.document.mongodb.log4j;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+
+import java.net.UnknownHostException;
+
+import com.mongodb.DB;
+import com.mongodb.DBCursor;
+import com.mongodb.Mongo;
+import org.apache.log4j.Logger;
+import org.apache.log4j.MDC;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * @author Jon Brisbin <jbrisbin@vmware.com>
+ */
+public class AppenderTest {
+
+  private static final String NAME = AppenderTest.class.getName();
+  private Logger log = Logger.getLogger(NAME);
+  private Mongo mongo;
+  private DB db;
+
+  @Before
+  public void setup() {
+    try {
+      mongo = new Mongo("localhost", 27017);
+      db = mongo.getDB("logs");
+      db.getCollection(NAME).drop();
+    } catch (UnknownHostException e) {
+      throw new RuntimeException(e.getMessage(), e);
+    }
+  }
+
+  @Test
+  public void testLogging() {
+    log.debug("DEBUG message");
+    log.info("INFO message");
+    log.warn("WARN message");
+    log.error("ERROR message");
+
+    DBCursor msgs = db.getCollection(NAME).find();
+    assertThat(msgs.count(), is(4));
+
+  }
+
+  @Test
+  public void testProperties() {
+    MDC.put("property", "one");
+    log.debug("DEBUG message");
+  }
+
+}

spring-data-mongodb-log4j/src/test/resources/log4j.properties

@@ -0,0 +1,20 @@
+log4j.rootCategory=INFO, stdout
+
+log4j.appender.stdout=org.springframework.data.document.mongodb.log4j.MongoLog4jAppender
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - <%m>%n
+log4j.appender.stdout.host = localhost
+log4j.appender.stdout.port = 27017
+log4j.appender.stdout.database = logs
+log4j.appender.stdout.collection = %1$4d%2$02d%3$02d
+log4j.appender.stdout.applicationId = my.application
+log4j.appender.stdout.warnOrHigherWriteConcern = FSYNC_SAFE
+
+log4j.category.org.apache.activemq=ERROR
+log4j.category.org.springframework.batch=DEBUG
+log4j.category.org.springframework.data.document.mongodb=DEBUG
+log4j.category.org.springframework.transaction=INFO
+
+log4j.category.org.hibernate.SQL=DEBUG
+# for debugging datasource initialization
+# log4j.category.test.jdbc=DEBUG