Android Zip Entry Add addToArchive(String source, String target, String entryName)

Description

add To Archive

Declaration

public static void addToArchive(String source, String target,
            String entryName) throws IOException 

Method Source Code

//package com.java2s;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;

import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;

public class Main {
    public static void addToArchive(String source, String target,
            String entryName) throws IOException {

        File zip = new File(source);
        File tempFile = File.createTempFile(zip.getName(), null);
        tempFile.delete();/*from  www. j a  v a  2 s.  c o m*/
        if (!zip.renameTo(tempFile)) {
            throw new RuntimeException("could not rename the file "
                    + zip.getAbsolutePath() + " to "
                    + tempFile.getAbsolutePath());
        }

        byte[] buffer = new byte[32 * 1024];

        ZipInputStream zin = new ZipInputStream(new FileInputStream(
                tempFile));
        ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zip));

        {
            ZipEntry entry = zin.getNextEntry();
            while (entry != null) {
                String name = entry.getName();
                if (!name.equals(entryName)) {
                    out.putNextEntry(new ZipEntry(name));
                    int bytesRead;
                    while ((bytesRead = zin.read(buffer)) != -1) {
                        out.write(buffer, 0, bytesRead);
                    }
                }
                out.flush();
                out.closeEntry();
                entry = zin.getNextEntry();
            }
            zin.close();
        }

        {
            InputStream in = new FileInputStream(target);
            out.putNextEntry(new ZipEntry(entryName));
            int bytesRead;
            while ((bytesRead = in.read(buffer)) != -1) {
                out.write(buffer, 0, bytesRead);
            }
            out.flush();
            out.closeEntry();
            in.close();
        }

        out.finish();
        out.close();

        tempFile.delete();
    }
}

Related

1. saveEntry(String destPath, ZipEntry target, ZipFile zf)