ZipReport.java

package test.Email;

import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZipReport {
    void zipFolder(Path sourceFolderPath, Path zipPath) {
        try {
            ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipPath.toFile()));
            Files.walkFileTree(sourceFolderPath, new SimpleFileVisitor<Path>(){
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException{
                    zos.putNextEntry(new ZipEntry(sourceFolderPath.relativize(file).toString()));
                    Files.copy(file, zos);
                    zos.closeEntry();
                    return FileVisitResult.CONTINUE;
                }
            });
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}