1 files changed, 109 insertions, 0 deletions
diff --git a/env/src/main/java/org/onap/aaf/inno/env/impl/Log4JLogTarget.java b/env/src/main/java/org/onap/aaf/inno/env/impl/Log4JLogTarget.java
new file mode 100644
index 0000000..6abf7c9
--- /dev/null
+++ b/env/src/main/java/org/onap/aaf/inno/env/impl/Log4JLogTarget.java
@@ -0,0 +1,109 @@
+/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * 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.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.inno.env.impl;
+
+import java.io.PrintWriter;
+
+import org.apache.log4j.Level;
+import org.apache.log4j.Logger;
+import org.onap.aaf.inno.env.APIException;
+import org.onap.aaf.inno.env.LogTarget;
+import org.onap.aaf.inno.env.util.StringBuilderWriter;
+
+/**
+ * Many services have chosen to use Log4J for their lower level Logging Implementation.  This LogTarget will allow
+ * any of the messages sent to be set to the appropriate Log4J level.
+ * 
+ *
+ */
+public class Log4JLogTarget implements LogTarget {
+	private Level level;
+	private Logger log;
+
+	public Log4JLogTarget(String loggerName, Level level) throws APIException {
+		this.level = level;
+		if (loggerName != null && loggerName.length() > 0) {
+			log = Logger.getLogger(loggerName);
+		} else {
+			log = Logger.getRootLogger();
+		}
+	}
+
+	// @Override
+	public boolean isLoggable() {
+		return log.isEnabledFor(level);
+	}
+
+	// @Override
+	public void log(Object... msgs) {
+		log(null, msgs);
+	}
+
+	// @Override
+	public void log(Throwable e, Object... msgs) {
+		if (log.isEnabledFor(level)) {
+			StringBuilder sb = new StringBuilder();
+			
+			String msg;
+			if (e != null) {
+				e.printStackTrace(new PrintWriter(new StringBuilderWriter(sb)));
+			}
+			for (int i = 0; i < msgs.length; ++i) {
+				if(msgs[i]!=null) {
+					msg = msgs[i].toString();
+					if (msg != null && msg.length() > 0) {
+						int sbl = sb.length();
+						if (sbl > 0) {
+							char last = sb.charAt(sbl - 1);
+							if (" (.".indexOf(last) < 0
+									&& "().".indexOf(msg.charAt(0)) < 0)
+								sb.append(' ');
+						}
+						sb.append(msg);
+					}
+				}
+			}
+			log.log(level, sb.toString());
+		}
+	}
+
+	/* (non-Javadoc)
+	 * @see com.att.inno.env.LogTarget#printf(java.lang.String, java.lang.String[])
+	 */
+	@Override
+	public void printf(String fmt, Object ... vars) {
+		if(log.isEnabledFor(level)) {
+			log.log(level,String.format(fmt,vars));
+		}
+	}
+
+	public static void setLog4JEnv(String loggerName, BasicEnv env) throws APIException {
+			env.fatal = new Log4JLogTarget(loggerName,Level.FATAL);
+			env.error = new Log4JLogTarget(loggerName,Level.ERROR);
+			env.warn = env.audit = env.init = new Log4JLogTarget(loggerName,Level.WARN);
+			env.info = new Log4JLogTarget(loggerName,Level.INFO);
+			env.debug = new Log4JLogTarget(loggerName,Level.DEBUG);
+			env.trace = new Log4JLogTarget(loggerName,Level.TRACE);
+	}
+	
+}