Java生成Zipファイル

    commons-io
    commons-io
    2.5

import org.apache.commons.io.IOUtils;
import java.util.zip.ZipOutputStream;
import java.util.zip.ZipEntry;
import java.io.*;

    private void reZipCsvFiles(String targetZipRealPath, List targetFilePathList) throws Exception {
        File targetZipFile = new File(targetZipRealPath);
        InputStream in = null;
        FileOutputStream fos = null;
        ZipOutputStream zipOutputStream = null;
        try {
            fos = new FileOutputStream(targetZipFile);
            zipOutputStream = new ZipOutputStream(fos);
            for (String csvFilePath: targetFilePathList) {
                in = new FileInputStream(csvFilePath);
                String csvFileName = csvFilePath.substring(csvFilePath.lastIndexOf(File.separator) + 1);
                zipOutputStream.putNextEntry(new ZipEntry(csvFileName));
                IOUtils.copy(in, zipOutputStream);
                zipOutputStream.closeEntry();
                in.close();
             }
        } finally {
            if (zipOutputStream != null) {
                zipOutputStream.close();
            }
            if (fos != null) {
                fos.close();
            }
            if (in != null) {
                in.close();
            }
        }
    }