Java Zip Files addFileToZip(int skipprefix, File file, ZipOutputStream zipper)

Description

add File To Zip

License

Apache License

Declaration

private static void addFileToZip(int skipprefix, File file, ZipOutputStream zipper) throws IOException 

Method Source Code

//package com.java2s;
/*//ww  w. j av  a2  s .c  o  m
 Licensed to Diennea S.r.l. under one
 or more contributor license agreements. See the NOTICE file
 distributed with this work for additional information
 regarding copyright ownership. Diennea S.r.l. licenses this file
 to you under the Apache License, Version 2.0 (the
 "License"); you may not use this file except in compliance
 with the License.  You may obtain a copy of the License at
    
 http://www.apache.org/licenses/LICENSE-2.0
    
 Unless required by applicable law or agreed to in writing,
 software distributed under the License is distributed on an
 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations
 under the License.
    
 */

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import java.io.OutputStream;

import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

public class Main {
    private static void addFileToZip(int skipprefix, File file, ZipOutputStream zipper) throws IOException {
        String raw = file.getAbsolutePath().replace("\\", "/");
        if (raw.length() == skipprefix) {
            if (file.isDirectory()) {
                File[] children = file.listFiles();
                if (children != null) {
                    for (File child : children) {
                        addFileToZip(skipprefix, child, zipper);
                    }
                }
            }
        } else {
            String path = raw.substring(skipprefix + 1);
            if (file.isDirectory()) {
                File[] children = file.listFiles();
                if (children != null) {
                    for (File child : children) {
                        addFileToZip(skipprefix, child, zipper);
                    }
                }
            } else {
                ZipEntry entry = new ZipEntry(path);
                zipper.putNextEntry(entry);
                try (FileInputStream in = new FileInputStream(file)) {
                    copyStream(in, zipper);
                }
                zipper.closeEntry();
            }
        }

    }

    private static void copyStream(InputStream input, OutputStream output) throws IOException {
        int n = 0;
        byte[] buffer = new byte[64 * 1024];
        while (-1 != (n = input.read(buffer))) {
            output.write(buffer, 0, n);
        }
    }
}

Related

1. addFileToZip(File in, File parent, ZipOutputStream out)
2. addFileToZip(File root, File file, ZipOutputStream zos)
3. addFileToZip(final File file, final String zipName, final ZipOutputStream zipout)
4. addFileToZip(final String path, final String srcFile, final ZipOutputStream zip, boolean flag)
5. addFileToZip(final String pathInsideZip, final File fileToZip, final ZipOutputStream outZip)
6. addFileToZip(String path, File srcFile, ZipOutputStream zip, boolean flag)
7. addFileToZip(String path, File srcFile, ZipOutputStream zip, String destZipFile)
8. addFileToZip(String path, String srcFile, ZipOutputStream zip)
9. addFileToZip(String path, String srcFile, ZipOutputStream zip)