com.github.shoothzj.javatool.util.FileUtil Maven / Gradle / Ivy
package com.github.shoothzj.javatool.util;
import com.google.common.io.Resources;
import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
public class FileUtil {
private static final Logger log = LoggerFactory.getLogger(FileUtil.class);
public static String getFilePath(String filename) {
return Resources.getResource(filename).getPath();
}
/**
* 获取文件类型
* @param fileName 文件名
* @return
*/
public static String getFileType(String fileName) {
int lastIndexOf = fileName.lastIndexOf('.');
return fileName.substring(lastIndexOf + 1);
}
public static void removeRecursive(String dirPath) {
removeRecursive(Paths.get(dirPath));
}
/**
* 递归删除文件
* @param path 路径
*/
public static void removeRecursive(Path path) {
try {
Files.walkFileTree(path, new SimpleFileVisitor(){
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
Files.delete(file);
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
Files.delete(file);
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
if (exc == null) {
Files.delete(dir);
return FileVisitResult.CONTINUE;
}
return super.postVisitDirectory(dir, exc);
}
});
} catch (IOException e) {
log.error("walk file error, exception is {}", ExceptionUtil.getException(e));
}
}
public static void inputStream2File(InputStream inputStream, String file) {
try {
FileUtils.copyInputStreamToFile(inputStream, new File(file));
} catch (Exception e) {
log.error("convert to file error, exception is {}", ExceptionUtil.getException(e));
}
}
public static void inputStream2File(InputStream inputStream, File file) {
try {
FileUtils.copyInputStreamToFile(inputStream, file);
} catch (Exception e) {
log.error("convert to file error, exception is {}", ExceptionUtil.getException(e));
}
}
}