Example usage for java.util.zip ZipEntry getName

List of usage examples for java.util.zip ZipEntry getName

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Introduction

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

Prototype

public String getName()

Source Link

Document

Returns the name of the entry.

Usage

From source file:Main.java

/**
 * Get channel from META-INF directory.//from w w w.ja v a2  s  . c  o  m
 *
 * @return the channel name if success,otherwise return "none"
 */
public static String getChannel(Context context) {
    ApplicationInfo appinfo = context.getApplicationInfo();
    String sourceDir = appinfo.sourceDir;
    String ret = "";
    ZipFile zipfile = null;
    try {
        zipfile = new ZipFile(sourceDir);
        Enumeration<?> entries = zipfile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = ((ZipEntry) entries.nextElement());
            String entryName = entry.getName();
            if (entryName.startsWith("META-INF/channel")) {
                ret = entryName;
                break;
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (zipfile != null) {
            try {
                zipfile.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    String[] split = ret.split("_");
    if (split != null && split.length >= 2) {
        return ret.substring(split[0].length() + 1);

    } else {
        return "none";
    }
}

From source file:Main.java

private static void fileUnZip(ZipInputStream zis, File file) throws FileNotFoundException, IOException {
    java.util.zip.ZipEntry zip = null;
    while ((zip = zis.getNextEntry()) != null) {
        String name = zip.getName();
        File f = new File(file.getAbsolutePath() + File.separator + name);
        if (zip.isDirectory()) {
            f.mkdirs();/*from  w  ww  .j av  a2 s  .  c o  m*/
        } else {
            f.getParentFile().mkdirs();
            f.createNewFile();
            BufferedOutputStream bos = null;
            try {
                bos = new BufferedOutputStream(new FileOutputStream(f));
                byte b[] = new byte[2048];
                int aa = 0;
                while ((aa = zis.read(b)) != -1) {
                    bos.write(b, 0, aa);
                }
                bos.flush();
            } finally {
                bos.close();
            }
            bos.close();
        }
    }

}

From source file:Main.java

/**
 * extracts a zip file to the given dir/*from w  w w . j  a  va  2s  .c om*/
 * @param archive
 * @param destDir
 * @throws IOException 
 * @throws ZipException 
 * @throws Exception
 */
public static void extractZipArchive(File archive, File destDir) throws ZipException, IOException {
    if (!destDir.exists()) {
        destDir.mkdir();
    }

    ZipFile zipFile = new ZipFile(archive);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();

    byte[] buffer = new byte[16384];
    int len;
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();

        String entryFileName = entry.getName();

        File dir = buildDirectoryHierarchyFor(entryFileName, destDir);
        if (!dir.exists()) {
            dir.mkdirs();
        }

        if (!entry.isDirectory()) {
            BufferedOutputStream bos = new BufferedOutputStream(
                    new FileOutputStream(new File(destDir, entryFileName)));

            BufferedInputStream bis = new BufferedInputStream(zipFile.getInputStream(entry));

            while ((len = bis.read(buffer)) > 0) {
                bos.write(buffer, 0, len);
            }

            bos.flush();
            bos.close();
            bis.close();
        }
    }
}

From source file:Main.java

public static String getChannel(Context context) {
    ApplicationInfo appinfo = context.getApplicationInfo();
    String sourceDir = appinfo.sourceDir;
    ZipFile zipfile = null;//from  w w w.  jav a  2 s.  co m
    String ret = null;
    try {
        zipfile = new ZipFile(sourceDir);
        Enumeration<?> entries = zipfile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = ((ZipEntry) entries.nextElement());
            String entryName = entry.getName();
            if (entryName.startsWith(FOLDER_NAME) && entryName.contains(CHANNEL_SCHEME)) {
                ret = entryName;
                break;
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (zipfile != null) {
            try {
                zipfile.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    try {
        if (ret != null) {
            String[] split = ret.split(CHANNEL_SCHEME_SPIT);
            if (split.length >= 2) {
                return ret.substring(split[0].length() + 1);
            }
        }
    } catch (Exception e) {

    }

    return null;
}

From source file:Main.java

public static void unZip(String zipFile, String outputFolder) {
    byte[] buffer = new byte[BUFFER_SIZE];

    try {//from  ww w. j  a  v  a2s  .c om
        File folder = new File(outputFolder);
        if (!folder.exists()) {
            folder.mkdir();
        }

        ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {
            String fileName = ze.getName();
            File newFile = new File(outputFolder + File.separator + fileName);

            System.out.println("file unzip : " + newFile.getAbsoluteFile());
            if (ze.isDirectory()) {
                newFile.mkdirs();
            } else {
                FileOutputStream fos = new FileOutputStream(newFile);
                int len;
                while ((len = zis.read(buffer)) > 0) {
                    fos.write(buffer, 0, len);
                }
                fos.close();
            }
            ze = zis.getNextEntry();
        }
        zis.closeEntry();
        zis.close();
        System.out.println("Done");
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static byte[] readBytesFormZipFile(String fileName, String fname) {
    byte[] bytes = null;
    ByteArrayOutputStream os = null;
    ZipInputStream in = null;//from   w w w .j a v a2  s .  c o m
    try {
        os = new ByteArrayOutputStream(4096);
        in = new ZipInputStream(new FileInputStream(fileName));
        boolean found = false;
        while (!found) {
            ZipEntry entry = in.getNextEntry();
            if (fname.equalsIgnoreCase(entry.getName())) {
                found = true;
            }
        }
        int read;
        byte[] buffer = new byte[4096];
        while ((read = in.read(buffer)) >= 0) {
            os.write(buffer, 0, read);
        }
        bytes = os.toByteArray();
    } catch (Exception e) {
        bytes = null;
    } finally {
        try {
            if (os != null) {
                os.flush();
                os = null;
            }
            if (in != null) {
                in.close();
                in = null;
            }
        } catch (Exception e) {
        }
    }

    return bytes;
}

From source file:com.vamonossoftware.core.ZipUtil.java

public static int unzip(File zip, File dest) {
    try {//from   w ww  .j  av  a2  s . c o m
        ZipFile zf = new ZipFile(zip);
        int count = 0;
        for (Enumeration entries = zf.entries(); entries.hasMoreElements();) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            File destfile = new File(dest, entry.getName());
            if (entry.isDirectory()) {
                destfile.mkdirs();
            } else {
                IOUtils.copy(zf.getInputStream(entry), new FileOutputStream(destfile));
            }
        }
        return count;
    } catch (IOException e) {
        return -1;
    }
}

From source file:Main.java

public static void Unzip(String dir, byte[] data) throws Exception {
    ByteArrayInputStream input = new ByteArrayInputStream(data);
    ZipInputStream zipIn = new ZipInputStream(input);
    ZipEntry entry;
    while ((entry = zipIn.getNextEntry()) != null) {
        String outpath = dir + entry.getName();
        FileOutputStream output = null;
        try {/*  w  w w .j av a2  s .c  o  m*/
            File f = new File(outpath);
            f.getParentFile().mkdirs();

            output = new FileOutputStream(f);
            int len = 0;
            byte[] buffer = new byte[4096];
            while ((len = zipIn.read(buffer)) > 0) {
                output.write(buffer, 0, len);
            }
        } finally {
            if (output != null)
                output.close();
        }
    }

    zipIn.close();
}

From source file:b2s.idea.mavenize.JarCombiner.java

private static boolean fileCanBeIgnored(ZipEntry entry, JarContext context) {
    return entry.getName().endsWith("MANIFEST.MF") || context.alreadyHaveSeen(entry);
}

From source file:com.splout.db.common.CompressorUtil.java

public static void uncompress(File file, File dest) throws IOException {
    ZipFile zipFile = new ZipFile(file);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();

    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        File entryDestination = new File(dest, entry.getName());
        entryDestination.getParentFile().mkdirs();
        InputStream in = zipFile.getInputStream(entry);
        OutputStream out = new FileOutputStream(entryDestination);
        IOUtils.copy(in, out);/* w w  w .  j  av a 2 s  .co m*/
        in.close();
        out.close();
    }
}