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/**
* ============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.io.IOException;
import java.net.URL;
public class LogFileNamer {
private final String root;
private final String dir;
public LogFileNamer(final String dir, final String root) {
this.dir = dir;
if (root == null || "".equals(root) || root.endsWith("/")) {
this.root = root;
} else {
this.root = root + "-";
}
}
public LogFileNamer noPID() {
return this;
}
private static final String FIRST_FILE_FORMAT_STR = "%s/%s%s.log";
private static final String FILE_FORMAT_STR = "%s/%s%s.%d.log";
/**
* 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) ONAP: jna code has license issues.
* Just do Date + Unique Number
*
* @param appender
*
* returns the String Appender
* @throws IOException
*/
public String setAppender(String appender) throws IOException {
File f = new File(String.format(FIRST_FILE_FORMAT_STR, dir, root, appender));
if(f.exists()) {
int i = 0;
while ((f = new File(String.format(FILE_FORMAT_STR, dir, root, appender, i))).exists()) {
++i;
}
}
try {
f.createNewFile();
} catch (IOException e) {
throw new IOException("Cannot create file '" + f.getCanonicalPath() + '\'', e);
}
System.setProperty("LOG4J_FILENAME_" + appender, f.getCanonicalPath());
return appender;
}
public void configure(final String path, final String fname, final String log_level) throws IOException {
final String fullPath = path + '/' + fname;
if (new File(fullPath).exists()) {
org.apache.log4j.PropertyConfigurator.configureAndWatch(fullPath, 60 * 1000L);
} else {
URL rsrc = ClassLoader.getSystemResource(fname);
if (rsrc == null) {
String msg = "Neither File: " + path + '/' + fname + " nor resource on Classpath " + fname + " exist";
throw new IOException(msg);
}
org.apache.log4j.PropertyConfigurator.configure(rsrc);
}
}
}
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