AT&T 2.0.19 Code drop, stage 1

[aaf/authz.git] / misc / log4j / src / main / java / org / onap / aaf / misc / env / log4j / LogFileNamer.java

diff --git a/misc/log4j/src/main/java/org/onap/aaf/misc/env/log4j/LogFileNamer.java b/misc/log4j/src/main/java/org/onap/aaf/misc/env/log4j/LogFileNamer.java
new file mode 100644 (file)
index 0000000..a8830b4
--- /dev/null
+++ b/misc/log4j/src/main/java/org/onap/aaf/misc/env/log4j/LogFileNamer.java
@@ -0,0 +1,81 @@
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.aaf
+ * ===========================================================================
+ * Copyright (c) 2018 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====================================================
+ *
+ */
+
+package org.onap.aaf.misc.env.log4j;
+
+import java.io.File;
+import java.net.URL;
+
+public class LogFileNamer {
+       public static final int pid = PIDAccess.INSTANCE.getpid();
+       public final String root;
+       private boolean printPID;
+       
+       public LogFileNamer(String root) {
+               if(root==null || "".equals(root) || root.endsWith("/")) {
+                       this.root = root;
+               } else {
+                       this.root = root + "-";
+               }
+               printPID=true;
+       }
+       
+       public LogFileNamer noPID() {
+               printPID = false;
+               return this;
+       }
+       /**
+        * Accepts a String.
+        * If Separated by "|" then first part is the Appender name, and the second is used in the FileNaming
+        * (This is to allow for shortened Logger names, and more verbose file names)
+        * 
+        * @param appender
+        * 
+        * returns the String Appender
+        */
+       public String setAppender(String appender) {
+               int pipe = appender.indexOf('|');
+               if(pipe>=0) {
+                       String rv;
+                       System.setProperty(
+                               "LOG4J_FILENAME_"+(rv=appender.substring(0,pipe)),
+                               root + appender.substring(pipe+1) + (printPID?('-' + pid):"") + ".log");
+                       return rv;
+               } else {
+                       System.setProperty(
+                               "LOG4J_FILENAME_"+appender,
+                               root + appender + (printPID?('-' + pid):"") + ".log");
+                       return appender;
+               }
+               
+       }
+
+       public void configure(String props) {
+               String fname;
+               if(new File(fname="etc/"+props).exists()) {
+                       org.apache.log4j.PropertyConfigurator.configureAndWatch(fname,60*1000);
+               } else {
+                       URL rsrc = ClassLoader.getSystemResource(props);
+                       if(rsrc==null) System.err.println("Neither File: " + fname + " or resource on Classpath " + props + " exist" );
+                       org.apache.log4j.PropertyConfigurator.configure(rsrc);
+               }
+       }
+}