Java Zip File zip(File[] sourceFiles, File destFile, boolean deleteOriginalFiles)

Description

zip

License

Open Source License

Declaration

public static void zip(File[] sourceFiles, File destFile, boolean deleteOriginalFiles) throws IOException

Method Source Code


//package com.java2s;
/*//w w w. j  av  a2  s .co m
 * Copyright (c) 2002-2006 The European Bioinformatics Institute, and others.
 * All rights reserved. Please see the file LICENSE
 * in the root directory of this distribution.
 */

import java.io.*;

import java.util.zip.*;

public class Main {
    public static void zip(File[] sourceFiles, File destFile, boolean deleteOriginalFiles) throws IOException {
        zip(sourceFiles, destFile, deleteOriginalFiles, false);

    }

    /**
     * Compresses a file (or directory) using GZIP
     *
     * @param sourceFiles         the files to include in the zip
     * @param destFile the zipped file
     * @param deleteOriginalFiles if true, the original file is deleted and only the gzipped file remains
     * @param includeFullPathName if true, then zip file is given full path name, if false, only the file name
     * @throws java.io.IOException thrown if there is a problem finding or writing the files
     */
    public static void zip(File[] sourceFiles, File destFile, boolean deleteOriginalFiles,
            boolean includeFullPathName) throws IOException {

        // Create a buffer for reading the files
        byte[] buf = new byte[1024];

        // Create the ZIP file
        ZipOutputStream out = new ZipOutputStream(new FileOutputStream(destFile));

        try {
            // Compress the files
            for (File sourceFile : sourceFiles) {
                if (sourceFile.isDirectory()) {
                    addFolderToZip("", sourceFile.getAbsolutePath(), out, includeFullPathName);
                } else {
                    FileInputStream in = new FileInputStream(sourceFile);

                    try {
                        // Add ZIP entry to output stream.
                        if (includeFullPathName) {
                            out.putNextEntry(new ZipEntry(sourceFile.toString()));
                        } else {
                            out.putNextEntry(new ZipEntry(sourceFile.getName()));
                        }

                        // Transfer bytes from the file to the ZIP file
                        int len;
                        while ((len = in.read(buf)) > 0) {
                            out.write(buf, 0, len);
                        }
                    } finally {
                        // Complete the entry
                        out.closeEntry();
                        in.close();
                    }
                }
            }

            if (deleteOriginalFiles) {
                for (File sourceFile : sourceFiles) {
                    sourceFile.delete();
                }
            }
        } finally {
            // Complete the ZIP file
            out.close();
        }
    }

    /**
     * Zip the subdirectory and exclude already zipped files
     * @param path
     * @param srcFolder
     * @param zip
     * @param includeFullPath
     * @throws java.io.IOException
     */
    static private void addFolderToZip(String path, String srcFolder, ZipOutputStream zip, boolean includeFullPath)
            throws IOException {
        File folder = new File(srcFolder);

        for (String fileName : folder.list()) {
            if (path.equals("") && !fileName.endsWith(".zip")) {
                if (includeFullPath) {
                    addFileToZip(folder.toString(), srcFolder + "/" + fileName, zip);
                } else {
                    addFileToZip(folder.getName(), srcFolder + "/" + fileName, zip);
                }
            } else if (!fileName.endsWith(".zip")) {
                addFileToZip(path + "/" + folder.getName(), srcFolder + "/" + fileName, zip);
            }
        }
    }

    static private void addFileToZip(String path, String srcFile, ZipOutputStream zip) throws IOException {

        File folder = new File(srcFile);
        if (folder.isDirectory()) {
            addFolderToZip(path, srcFile, zip, false);
        } else {
            byte[] buf = new byte[1024];
            int len;
            FileInputStream in = new FileInputStream(srcFile);
            try {
                zip.putNextEntry(new ZipEntry(path + "/" + folder.getName()));
                while ((len = in.read(buf)) > 0) {
                    zip.write(buf, 0, len);
                }
            } finally {
                in.close();
            }
        }
    }
}

Java Zip File zip(File[] sourceFiles, File destFile, boolean deleteOriginalFiles)

Description

License

Declaration

Method Source Code

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