Example usage for java.util.zip ZipEntry ZipEntry

Introduction

In this page you can find the example usage for java.util.zip ZipEntry ZipEntry.

Prototype

public ZipEntry(ZipEntry e) 

Source Link

Document

Creates a new zip entry with fields taken from the specified zip entry.

Usage

From source file:Main.java

private static final void zip(File directory, File base, ZipOutputStream zos) throws IOException {
    File[] files = directory.listFiles();
    byte[] buffer = new byte[8192];
    int read = 0;
    for (int i = 0, n = files.length; i < n; i++) {
        if (files[i].isDirectory()) {
            zip(files[i], base, zos);//from  ww w.  j  ava 2  s. c o  m
        } else {
            FileInputStream in = new FileInputStream(files[i]);
            ZipEntry entry = new ZipEntry(files[i].getPath().substring(base.getPath().length() + 1));
            zos.putNextEntry(entry);
            while (-1 != (read = in.read(buffer))) {
                zos.write(buffer, 0, read);
            }
            in.close();
        }
    }
}

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From source file:Main.java

public static void zipChildren(File folder, String prefix, ZipOutputStream out) throws IOException {
    File[] files = folder.listFiles();
    if (files == null)
        return;/*from  ww w.  jav  a 2  s . co m*/
    for (File file : files) {
        if (file.isFile()) {
            String name = prefix + file.getName();
            ZipEntry entry = new ZipEntry(name);
            entry.setTime(file.lastModified());
            out.putNextEntry(entry);
            loadFromFile(file, out);
            out.closeEntry();
        } else if (file.isDirectory()) {
            zipChildren(file, prefix + file.getName() + "/", out);
        }
    }

}

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From source file:Main.java

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 {/*from www  . jav a 2s.  c  o m*/
        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();
        }
    }
}

---

From source file:Main.java

public static void compressAFileToZip(File zip, File source) throws IOException {
    Log.d("source: " + source.getAbsolutePath(), ", length: " + source.length());
    Log.d("zip:", zip.getAbsolutePath());
    zip.getParentFile().mkdirs();//from   w  w  w  .j a va2s.com
    File tempFile = new File(zip.getAbsolutePath() + ".tmp");
    FileOutputStream fos = new FileOutputStream(tempFile);
    BufferedOutputStream bos = new BufferedOutputStream(fos);
    ZipOutputStream zos = new ZipOutputStream(bos);
    ZipEntry zipEntry = new ZipEntry(source.getName());
    zipEntry.setTime(source.lastModified());
    zos.putNextEntry(zipEntry);

    FileInputStream fis = new FileInputStream(source);
    BufferedInputStream bis = new BufferedInputStream(fis);
    byte[] bArr = new byte[4096];
    int byteRead = 0;
    while ((byteRead = bis.read(bArr)) != -1) {
        zos.write(bArr, 0, byteRead);
    }
    zos.flush();
    zos.closeEntry();
    zos.close();
    Log.d("zipEntry: " + zipEntry, "compressedSize: " + zipEntry.getCompressedSize());
    bos.flush();
    fos.flush();
    bos.close();
    fos.close();
    bis.close();
    fis.close();
    zip.delete();
    tempFile.renameTo(zip);
}

---

From source file:Main.java

public static void zipMutiCompress(File[] srcfile, File destFile) {
    byte[] buf = new byte[BUFFERED_SIZE];
    try {//from   w w w .j a  va 2s.c om
        ZipOutputStream out = new ZipOutputStream(new FileOutputStream(destFile));
        if (null != srcfile && srcfile.length > 0) {
            for (int i = 0; i < srcfile.length; i++) {
                File file = srcfile[i];
                if (null != file) {
                    FileInputStream in = new FileInputStream(file);
                    out.putNextEntry(new ZipEntry(file.getName()));
                    int len;
                    while ((len = in.read(buf)) > 0) {
                        out.write(buf, 0, len);
                    }
                    out.closeEntry();
                    in.close();
                }
            }
        }
        out.close();
    } catch (IOException e) {

    }
}

---

From source file:Main.java

public static boolean compress(File file) {
    try {/*from w  ww .j  a v a2 s .  c  o m*/
        String fileName = file.getName();
        if (fileName.indexOf(".") != -1)
            fileName = fileName.substring(0, fileName.indexOf("."));
        FileOutputStream f = new FileOutputStream(file.getParent() + "/" + fileName + ".zip");
        CheckedOutputStream cs = new CheckedOutputStream(f, new Adler32());
        ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(cs));
        InputStream in = new FileInputStream(file);
        out.putNextEntry(new ZipEntry(file.getName()));
        int len = -1;
        byte buf[] = new byte[1024];
        while ((len = in.read(buf, 0, 1024)) != -1)
            out.write(buf, 0, len);
        out.closeEntry();

        in.close();
        out.close();
        return true;
    } catch (Exception e) {
        return false;
    }
}

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From source file:Main.java

/**
 * Compress a String to a zip file that has only one entry like zipName
 * The name shouldn't have .zip/*from ww w  .  j  a  v a  2  s. co  m*/
 * 
 * @param content
 * @param fName
 * @throws IOException 
 */
public static void zipAContentAsFileName(String fName, String content, String charset) throws IOException {
    ByteArrayInputStream bais = new ByteArrayInputStream(content.getBytes(charset));
    BufferedInputStream bis = new BufferedInputStream(bais);

    File f = new File(fName);
    File parentFile = f.getParentFile();
    if (!parentFile.exists()) {
        parentFile.mkdirs();
    }
    ZipOutputStream zf = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(f + ".zip")));

    ZipEntry entry = new ZipEntry(f.getName());
    zf.putNextEntry(entry);
    byte[] barr = new byte[8192];
    int len = 0;
    while ((len = bis.read(barr)) != -1) {
        zf.write(barr, 0, len);
    }
    zf.flush();
    zf.close();
    bis.close();
    bais.close();
}

---

From source file:Main.java

static void addDir(File dirObj, ZipOutputStream out) throws IOException {
    File[] files = dirObj.listFiles();
    byte[] tmpBuf = new byte[1024];

    for (int i = 0; i < files.length; i++) {
        if (files[i].isDirectory()) {
            addDir(files[i], out);/*from www . j av a 2 s.c o m*/
            continue;
        }
        FileInputStream in = new FileInputStream(files[i].getAbsolutePath());
        System.out.println(" Adding: " + files[i].getAbsolutePath());
        out.putNextEntry(new ZipEntry(files[i].getAbsolutePath()));
        int len;
        while ((len = in.read(tmpBuf)) > 0) {
            out.write(tmpBuf, 0, len);
        }
        out.closeEntry();
        in.close();
    }
}

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From source file:Utils.java

/**
 * Zip a list of file into one zip file.
 * /*from   w  ww.j a va 2s .  co m*/
 * @param files
 *          files to zip
 * @param targetZipFile
 *          target zip file
 * @throws IOException
 *           IO error exception can be thrown when copying ...
 */
public static void zipFile(final File[] files, final File targetZipFile) throws IOException {
    try {
        FileOutputStream fos = new FileOutputStream(targetZipFile);
        ZipOutputStream zos = new ZipOutputStream(fos);
        byte[] buffer = new byte[128];
        for (int i = 0; i < files.length; i++) {
            File currentFile = files[i];
            if (!currentFile.isDirectory()) {
                ZipEntry entry = new ZipEntry(currentFile.getName());
                FileInputStream fis = new FileInputStream(currentFile);
                zos.putNextEntry(entry);
                int read = 0;
                while ((read = fis.read(buffer)) != -1) {
                    zos.write(buffer, 0, read);
                }
                zos.closeEntry();
                fis.close();
            }
        }
        zos.close();
        fos.close();
    } catch (FileNotFoundException e) {
        System.out.println("File not found : " + e);
    }

}

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From source file:FolderZiper.java

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

    File folder = new File(srcFile);
    if (folder.isDirectory()) {
        addFolderToZip(path, srcFile, zip);
    } else {/*  w ww  .  ja  v  a 2  s .  co  m*/
        byte[] buf = new byte[1024];
        int len;
        FileInputStream in = new FileInputStream(srcFile);
        zip.putNextEntry(new ZipEntry(path + "/" + folder.getName()));
        while ((len = in.read(buf)) > 0) {
            zip.write(buf, 0, len);
        }
    }
}

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