Java Zip File zip(String zipFileName, Map entries)

Description

Zips every file in and under the given directory.

License

Apache License

Declaration

public static File zip(String zipFileName, Map<String, InputStream> entries) throws IOException 

Method Source Code

//package com.java2s;
/*/*from  www  .  j  a va2s . c o m*/
 * Copyright (C) 2015 the original author or authors.
 *
 * Licensed 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.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class Main {
    /**
     * Zips every file in and under the given directory.
     */
    public static File zip(String zipFileName, Map<String, InputStream> entries) throws IOException {
        // create byte buffer
        byte[] buffer = new byte[1024];

        File zipFile = new File(zipFileName);
        FileOutputStream fos = new FileOutputStream(zipFile);
        ZipOutputStream zos = new ZipOutputStream(fos);

        for (Map.Entry<String, InputStream> entry : entries.entrySet()) {
            // begin writing a new ZIP entry, positions the stream to the start of the entry data
            zos.putNextEntry(new ZipEntry(entry.getKey()));

            InputStream input = entry.getValue();

            int length;
            while ((length = input.read(buffer)) > 0) {
                zos.write(buffer, 0, length);
            }

            zos.closeEntry();

            // close the InputStream
            input.close();
        }

        // close the ZipOutputStream
        zos.close();

        return zipFile;
    }
}

Related

1. zip(String path, String zipFilePath)
2. zip(String payload)
3. zip(String src, String des)
4. zip(String src, String dest, PrintStream stream)
5. zip(String srcPath)
6. zip(String zipFileName, String inputFile)
7. zip(String zipFileName, String[] zipEntries)
8. zip(String zipName, String[] fileNames, boolean path)
9. zip(String zipPath, Map input)