feat(files-age-rm): inital commit
This commit is contained in:
Begerad, Stefan
commit
fafd16eb8c
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>de.begerad.file-age-rm</groupId>
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<artifactId>file-age-rm</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.apache.logging.log4j</groupId>
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<artifactId>log4j-slf4j-impl</artifactId>
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<version>2.9.0</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.2.4</version>
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<executions>
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<execution>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<shadedArtifactAttached>true</shadedArtifactAttached>
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<transformers>
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<transformer implementation=
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"org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
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<mainClass>de.begerad.fileagerm.Main</mainClass>
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</transformer>
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</transformers>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<source>8</source>
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<target>8</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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package de.begerad.fileagerm;
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import java.io.File;
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import java.io.FileFilter;
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import java.util.Set;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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public class FileList {
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private final String directory;
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public FileList(String directory) {
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this.directory = directory;
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}
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/**
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*
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* @return set containing list of file paths
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*/
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public Set<String> listFilesUsingJavaIO() {
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return Stream.of(new File(directory).listFiles())
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.filter(file -> !file.isDirectory())
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.map(File::getName)
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.collect(Collectors.toSet());
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}
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/**
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*
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* @return array containing list of file names
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*/
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public File[] listFilesUsingFileFilter() {
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//Creating a File object for directory
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File dir = new File(directory);
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//Creating filter for directory files
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FileFilter fileFilter = new FileFilter() {
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public boolean accept(File dir) {
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return dir.isFile();
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}
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};
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return dir.listFiles(fileFilter);
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}
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}
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package de.begerad.fileagerm;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.File;
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import java.io.IOException;
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import java.util.Calendar;
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import java.util.Set;
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public class Main {
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public static String dirPath = "";
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public final static Logger LOG = LoggerFactory.getLogger(Main.class);
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public static void deleteFilesOlderThanNdays(int daysBack, String dirWay) {
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File directory = new File(dirWay);
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if (directory.exists()) {
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File[] listFiles = directory.listFiles();
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long purgeTime = System.currentTimeMillis() - (daysBack * 24 * 60 * 60 * 1000);
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for (File listFile : listFiles) {
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if (listFile.lastModified() < purgeTime) {
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if (!listFile.delete()) {
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System.err.println("Unable to delete file: " + listFile);
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Main.LOG.error("file could NOT be deleted: {}", listFiles);
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} else {
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}
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} else {
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Main.LOG.debug("file is too young to be deleted");
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}
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}
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} else {
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Main.LOG.warn("directory does not exist");
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}
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}
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public static void main(String[] args) {
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LOG.debug("main() started...");
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//check user input for directory
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if (args.length < 1) {
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System.out.println("Please enter directory as first parameter.");
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return;
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}
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dirPath = args[0];
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if (!(new File(dirPath).isDirectory())) {
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System.out.println("first parameter: "
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+ dirPath
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+ " is NOT a valid directory.");
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return;
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}
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try {
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System.out.println("dir path: "
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+ (new File(dirPath).getCanonicalPath()));
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LOG.debug("dir path: {}",
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(new File(dirPath).getCanonicalPath()));
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} catch (IOException e) {
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e.printStackTrace();
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}
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FileList fileList = new FileList(dirPath);
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File[] list = fileList.listFilesUsingFileFilter();
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LOG.debug("List of files in the specified directory:");
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if (list != null) {
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for (File fileName : list) {
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LOG.debug("{}", fileName);
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}
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} else {
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LOG.warn("List of files is empty");
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}
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Set<String> setList = fileList.listFilesUsingJavaIO();
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LOG.debug("List of files in the specified directory:");
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for (String file : setList) {
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LOG.debug("{}", file);
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}
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int age = 1;
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long purgeTime = System.currentTimeMillis() - (age * 24L * 60L * 60L * 1000L);
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LOG.debug("age in ms: {}", purgeTime);
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Calendar cal = Calendar.getInstance();
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cal.add(Calendar.DAY_OF_MONTH, age * -1);
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purgeTime = cal.getTimeInMillis();
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LOG.debug("age in ms: {}", purgeTime);
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deleteFilesOlderThanNdays(age, dirPath);
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LOG.debug("main() done.");
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}
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}
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@ -0,0 +1,31 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<Configuration status="INFO">
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<Appenders>
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<RollingFile name="rollingFile"
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fileName="log.txt"
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filePattern="log-%d{yyyy-MM-dd}.txt"
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ignoreExceptions="false"
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>
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<PatternLayout>
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<Pattern>[%-5p] %d{yyyy-MM-dd HH:mm:ss.SSS} %c{1} %m%n</Pattern>
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</PatternLayout>
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<Policies>
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<SizeBasedTriggeringPolicy size="10MB" />
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</Policies>
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<DefaultRolloverStrategy max="5" />
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</RollingFile>
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<Console name="console" target="SYSTEM_OUT">
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<PatternLayout pattern="[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} %c{1} - %msg%n" />
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</Console>
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</Appenders>
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<Loggers>
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<Logger name="de.begerad" level="debug" additivity="true">
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<appender-ref ref="rollingFile" level="debug" />
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</Logger>
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<Root level="debug" additivity="false">
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<appender-ref ref="console" />
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</Root>
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</Loggers>
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</Configuration>
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