A zip compression class.

package com.utils;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.DataInputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.util.zip.Adler32;import java.util.zip.CheckedOutputStream;import java.util.zip.ZipEntry;import java.util.zip.ZipOutputStream;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import com.zte.ums.ems.rrucheck.output.OutputFilesFilter;public class ZipUtil {    private Logger logger;    public ZipUtil() {        logger=LoggerFactory.getLogger(ZipUtil.class);    }    public ZipUtil(Logger logger) {        this.logger=logger;    }    public String zipAndDelSourceFiles_OMMB(String dir){                String sourceNameRegex="(filename1|filename2)\\.csv";        String targetFileName="zipname.zip";        String zipFilePath = null;        try {            if (zip(dir,sourceNameRegex,targetFileName)) {                zipFilePath=new File(dir,targetFileName).getCanonicalPath();                FilePathUtil.del(dir, sourceNameRegex);                zipFilePath=new File(dir,targetFileName).getCanonicalPath();            }        } catch (IOException e) {            logger.error(e.getMessage());        }        return zipFilePath;    }        public boolean zip(String sourceFilePath,String sourceNameRegex,String targetFileName) throws IOException{        File target=new File(sourceFilePath,targetFileName);        File dir=target.getParentFile();                File[] sourceFiles=dir.listFiles(new OutputFilesFilter(sourceNameRegex));        return zip(sourceFiles,target);    }        public boolean zip(File[] sorceFiles,File targetZipFile){        boolean result = false;        try {            FileOutputStream target = new FileOutputStream(targetZipFile);            CheckedOutputStream cos = new CheckedOutputStream(target,                    new Adler32());            ZipOutputStream zos = new ZipOutputStream(cos);            BufferedOutputStream out = new BufferedOutputStream(zos);            DataInputStream in = null;            try {                for (File sorceFile : sorceFiles) {                    zos.putNextEntry(new ZipEntry(sorceFile.getName()));                    int count;                    in = new DataInputStream(new BufferedInputStream(                            new FileInputStream(sorceFile)));                    while ((count = in.read()) != -1) {                        out.write(count);                    }                    out.flush();                    in.close();                }            } catch (IOException e) {                logger.error(e.getMessage());            } finally {                try {                    out.close();                } catch (IOException e) {                    logger.error(e.getMessage());                }            }            result = true;        } catch (FileNotFoundException e) {            logger.error(e.getMessage());        }        return result;    }}