Example usage for java.util.zip ZipInputStream getNextEntry

Introduction

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

Prototype

public ZipEntry getNextEntry() throws IOException 

Source Link

Document

Reads the next ZIP file entry and positions the stream at the beginning of the entry data.

Usage

From source file:com.nuvolect.securesuite.util.OmniZip.java

public static List<String> getFilesList(OmniFile zipOmni) {

    ZipInputStream zis = new ZipInputStream(zipOmni.getFileInputStream());

    List<String> arrayList = new ArrayList<>();

    ZipEntry entry = null;/*from www.  ja va  2s . co  m*/
    try {
        while ((entry = zis.getNextEntry()) != null) {

            arrayList.add(entry.getName());
        }
        zis.close();

    } catch (IOException e) {
        LogUtil.logException(LogUtil.LogType.OMNI_ZIP, e);
    }

    return arrayList;
}

---

From source file:com.nuvolect.securesuite.util.OmniZip.java

public static List<String> getDirsList(OmniFile zipOmni) {

    ZipInputStream zis = new ZipInputStream(zipOmni.getFileInputStream());

    List<String> arrayList = new ArrayList<>();

    ZipEntry entry = null;/*w w  w.ja va2 s.c  o  m*/
    try {
        while ((entry = zis.getNextEntry()) != null) {

            if (entry.isDirectory())
                arrayList.add(entry.getName());
        }
        zis.close();

    } catch (IOException e) {
        LogUtil.logException(LogUtil.LogType.OMNI_ZIP, e);
    }

    return arrayList;
}

---

From source file:com.plotsquared.iserver.util.FileUtils.java

/**
 * Add files to a zip file//www .j  ava 2  s .  com
 *
 * @param zipFile Zip File
 * @param files   Files to add to the zip
 * @param delete  If the original files should be deleted
 * @throws Exception If anything goes wrong
 */
public static void addToZip(final File zipFile, final File[] files, final boolean delete) throws Exception {
    Assert.notNull(zipFile, files);

    if (!zipFile.exists()) {
        if (!zipFile.createNewFile()) {
            throw new RuntimeException("Couldn't create " + zipFile);
        }
    }

    final File temporary = File.createTempFile(zipFile.getName(), "");
    //noinspection ResultOfMethodCallIgnored
    temporary.delete();

    if (!zipFile.renameTo(temporary)) {
        throw new RuntimeException("Couldn't rename " + zipFile + " to " + temporary);
    }

    final byte[] buffer = new byte[1024 * 16]; // 16mb

    ZipInputStream zis = new ZipInputStream(new FileInputStream(temporary));
    ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipFile));

    ZipEntry e = zis.getNextEntry();
    while (e != null) {
        String n = e.getName();

        boolean no = true;
        for (File f : files) {
            if (f.getName().equals(n)) {
                no = false;
                break;
            }
        }

        if (no) {
            zos.putNextEntry(new ZipEntry(n));
            int len;
            while ((len = zis.read(buffer)) > 0) {
                zos.write(buffer, 0, len);
            }
        }
        e = zis.getNextEntry();
    }
    zis.close();
    for (File file : files) {
        InputStream in = new FileInputStream(file);
        zos.putNextEntry(new ZipEntry(file.getName()));

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

        zos.closeEntry();
        in.close();
    }
    zos.close();
    temporary.delete();

    if (delete) {
        for (File f : files) {
            f.delete();
        }
    }
}

---

From source file:au.com.jwatmuff.eventmanager.util.ZipUtils.java

public static void unzipFile(File destFolder, File zipFile) throws IOException {
    ZipInputStream zipStream = null;
    try {/*  www .  j  a  va  2 s.  c o m*/
        if (!destFolder.exists()) {
            destFolder.mkdirs();
        }

        BufferedInputStream in = new BufferedInputStream(new FileInputStream(zipFile));
        zipStream = new ZipInputStream(in);
        ZipEntry entry;
        while ((entry = zipStream.getNextEntry()) != null) {
            // get output file
            String name = entry.getName();
            if (name.startsWith("/") || name.startsWith("\\"))
                name = name.substring(1);
            File file = new File(destFolder, name);
            // ensure directory exists
            File dir = file.getParentFile();
            if (!dir.exists())
                dir.mkdirs();
            IOUtils.copy(zipStream, new FileOutputStream(file));
        }
    } finally {
        if (zipStream != null)
            zipStream.close();
    }
}

---

From source file:edu.isi.wings.portal.classes.StorageHandler.java

public static String unzipFile(File f, String todirname, String toDirectory) {
    File todir = new File(toDirectory);
    if (!todir.exists())
        todir.mkdirs();//w  w  w .  j a  v a 2s. co m

    try {
        // Check if the zip file contains only one directory
        ZipFile zfile = new ZipFile(f);
        String topDir = null;
        boolean isOneDir = true;
        for (Enumeration<? extends ZipEntry> e = zfile.entries(); e.hasMoreElements();) {
            ZipEntry ze = e.nextElement();
            String name = ze.getName().replaceAll("/.+$", "");
            name = name.replaceAll("/$", "");
            // OSX Zips carry an extra __MACOSX directory. Ignore it
            if (name.equals("__MACOSX"))
                continue;

            if (topDir == null)
                topDir = name;
            else if (!topDir.equals(name)) {
                isOneDir = false;
                break;
            }
        }
        zfile.close();

        // Delete existing directory (if any)
        FileUtils.deleteDirectory(new File(toDirectory + File.separator + todirname));

        // Unzip file(s) into toDirectory/todirname
        ZipInputStream zis = new ZipInputStream(new FileInputStream(f));
        ZipEntry ze = zis.getNextEntry();
        while (ze != null) {
            String fileName = ze.getName();
            // OSX Zips carry an extra __MACOSX directory. Ignore it
            if (fileName.startsWith("__MACOSX")) {
                ze = zis.getNextEntry();
                continue;
            }

            // Get relative file path translated to 'todirname'
            if (isOneDir)
                fileName = fileName.replaceFirst(topDir, todirname);
            else
                fileName = todirname + File.separator + fileName;

            // Create directories
            File newFile = new File(toDirectory + File.separator + fileName);
            if (ze.isDirectory())
                newFile.mkdirs();
            else
                newFile.getParentFile().mkdirs();

            try {
                // Copy file
                FileOutputStream fos = new FileOutputStream(newFile);
                IOUtils.copy(zis, fos);
                fos.close();

                String mime = new Tika().detect(newFile);
                if (mime.equals("application/x-sh") || mime.startsWith("text/"))
                    FileUtils.writeLines(newFile, FileUtils.readLines(newFile));

                // Set all files as executable for now
                newFile.setExecutable(true);
            } catch (FileNotFoundException fe) {
                // Silently ignore
                //fe.printStackTrace();
            }
            ze = zis.getNextEntry();
        }
        zis.closeEntry();
        zis.close();

        return toDirectory + File.separator + todirname;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

---

From source file:edu.umd.cs.marmoset.modelClasses.ZipFileAggregator.java

public static boolean isValidZipfile(byte[] byteArr) {
    ZipInputStream zipIn = new ZipInputStream(new ByteArrayInputStream(byteArr));
    boolean areBytesAZipfile = false;
    try {/* ww w . j a v  a2s. c o m*/
        while (true) {
            ZipEntry entry = zipIn.getNextEntry();
            if (entry == null)
                break;
            // We need to read at least one valid entry for this to be a valid zipfile
            areBytesAZipfile = true;
        }
    } catch (Throwable e) {
        return false;
    }
    return areBytesAZipfile;
}

---

From source file:JarMaker.java

/**
 * Unpack the jar file to a directory, till teaf files
 * @param file The source file name//www .  j a v a2  s .c o  m
 * @param file1 The target directory
 * @author wangxp
 * @version 2003/11/07
 */
public static void unpackAppJar(String file, String file1) throws IOException {

    // m_log.debug("unpackAppJar begin. file="+file+"|||file1="+file1);

    BufferedInputStream bufferedinputstream = new BufferedInputStream(new FileInputStream(file));
    ZipInputStream zipinputstream = new ZipInputStream(bufferedinputstream);
    byte abyte0[] = new byte[1024];
    for (ZipEntry zipentry = zipinputstream.getNextEntry(); zipentry != null; zipentry = zipinputstream
            .getNextEntry()) {
        File file2 = new File(file1, zipentry.getName());
        if (zipentry.isDirectory()) {
            if (!file2.exists() && !file2.mkdirs())
                throw new IOException("Could not make directory " + file2.getPath());
        } else {
            File file3 = file2.getParentFile();
            if (file3 != null && !file3.exists() && !file3.mkdirs())
                throw new IOException("Could not make directory " + file3.getPath());
            BufferedOutputStream bufferedoutputstream = new BufferedOutputStream(new FileOutputStream(file2));
            int i;
            try {
                while ((i = zipinputstream.read(abyte0, 0, abyte0.length)) != -1)
                    bufferedoutputstream.write(abyte0, 0, i);
            } catch (IOException ie) {
                ie.printStackTrace();
                // m_logger.error(ie);
                throw ie;
            }
            bufferedoutputstream.close();
        }
    }
    zipinputstream.close();
    bufferedinputstream.close();
    // m_log.debug("unpackAppJar end.");
}

---

From source file:Main.java

/** Returns true if these zip files act like equivalent sets.
 * The order of the zip entries is not important: if they contain
 * exactly the same contents, this returns true.
 * @param zip1 one zip file //from   www.j a  va  2s . c  om
 * @param zip2 another zip file
 * @return true if the two zip archives are equivalent sets
 * @throws IOException
 */
public static boolean zipEquals(File zip1, File zip2) throws IOException {
    if (zip1.equals(zip2))
        return true;

    InputStream in = null;
    ZipInputStream zipIn = null;
    try {
        in = new FileInputStream(zip1);
        zipIn = new ZipInputStream(in);
        ZipEntry e = zipIn.getNextEntry();
        Vector<String> entries = new Vector<String>();
        while (e != null) {
            entries.add(e.getName());

            InputStream other = getZipEntry(zip2, e.getName());
            if (other == null) {
                return false;
            }

            if (equals(zipIn, other) == false) {
                return false;
            }
            e = zipIn.getNextEntry();
        }
        //now we've established everything in zip1 is in zip2

        //but what if zip2 has entries zip1 doesn't?
        zipIn.close();
        in.close();

        in = new FileInputStream(zip2);
        zipIn = new ZipInputStream(in);
        e = zipIn.getNextEntry();
        while (e != null) {
            if (entries.contains(e.getName()) == false) {
                return false;
            }
            e = zipIn.getNextEntry();
        }

        //the entries are exactly the same
        return true;
    } finally {
        try {
            zipIn.close();
        } catch (Throwable t) {
        }
        try {
            in.close();
        } catch (Throwable t) {
        }
    }
}

---

From source file:com.baasbox.service.dbmanager.DbManagerService.java

public static void importDb(String appcode, ZipInputStream zis) throws FileFormatException, Exception {
    File newFile = null;/*w  ww  .  j ava 2  s.c  o  m*/
    FileOutputStream fout = null;
    try {
        //get the zipped file list entry
        ZipEntry ze = zis.getNextEntry();
        if (ze == null)
            throw new FileFormatException("Looks like the uploaded file is not a valid export.");
        if (ze.isDirectory()) {
            ze = zis.getNextEntry();
        }
        if (ze != null) {
            newFile = File.createTempFile("export", ".json");
            fout = new FileOutputStream(newFile);
            IOUtils.copy(zis, fout, BBConfiguration.getImportExportBufferSize());
            fout.close();
        } else {
            throw new FileFormatException("Looks like the uploaded file is not a valid export.");
        }
        ZipEntry manifest = zis.getNextEntry();
        if (manifest != null) {
            File manifestFile = File.createTempFile("manifest", ".txt");
            fout = new FileOutputStream(manifestFile);
            for (int c = zis.read(); c != -1; c = zis.read()) {
                fout.write(c);
            }
            fout.close();
            String manifestContent = FileUtils.readFileToString(manifestFile);
            manifestFile.delete();
            Pattern p = Pattern.compile(BBInternalConstants.IMPORT_MANIFEST_VERSION_PATTERN);
            Matcher m = p.matcher(manifestContent);
            if (m.matches()) {
                String version = m.group(1);
                if (version.compareToIgnoreCase("0.6.0") < 0) { //we support imports from version 0.6.0
                    throw new FileFormatException(String.format(
                            "Current baasbox version(%s) is not compatible with import file version(%s)",
                            BBConfiguration.getApiVersion(), version));
                } else {
                    if (BaasBoxLogger.isDebugEnabled())
                        BaasBoxLogger.debug("Version : " + version + " is valid");
                }
            } else {
                throw new FileFormatException("The manifest file does not contain a version number");
            }
        } else {
            throw new FileFormatException("Looks like zip file does not contain a manifest file");
        }
        if (newFile != null) {
            DbHelper.importData(appcode, newFile);
            zis.closeEntry();
            zis.close();
        } else {
            throw new FileFormatException("The import file is empty");
        }
    } catch (FileFormatException e) {
        BaasBoxLogger.error(ExceptionUtils.getMessage(e));
        throw e;
    } catch (Throwable e) {
        BaasBoxLogger.error(ExceptionUtils.getStackTrace(e));
        throw new Exception("There was an error handling your zip import file.", e);
    } finally {
        try {
            if (zis != null) {
                zis.close();
            }
            if (fout != null) {
                fout.close();
            }
        } catch (IOException e) {
            // Nothing to do here
        }
    }
}

---

From source file:JarMaker.java

/**
 * Combine several jar files and some given files into one jar file.
 * @param outJar The output jar file's filename.
 * @param inJarsList The jar files to be combined
 * @param filter A filter that exclude some entries of input jars. User
 *        should implement the EntryFilter interface.
 * @param inFileList The files to be added into the jar file.
 * @param prefixs The prefixs of files to be added into the jar file.
 *        inFileList and prefixs should be paired.
 * @throws FileNotFoundException/*from  w w w. ja  va2 s  .c om*/
 * @throws IOException
 */
@SuppressWarnings("unchecked")
public static void combineJars(String outJar, String[] inJarsList, EntryFilter filter, String[] inFileList,
        String[] prefixs) throws FileNotFoundException, IOException {

    JarOutputStream jout = new JarOutputStream(new FileOutputStream(outJar));
    ArrayList entryList = new ArrayList();
    for (int i = 0; i < inJarsList.length; i++) {
        BufferedInputStream bufferedinputstream = new BufferedInputStream(new FileInputStream(inJarsList[i]));
        ZipInputStream zipinputstream = new ZipInputStream(bufferedinputstream);
        byte abyte0[] = new byte[1024 * 4];
        for (ZipEntry zipentry = zipinputstream.getNextEntry(); zipentry != null; zipentry = zipinputstream
                .getNextEntry()) {
            if (filter.accept(zipentry)) {
                if (!entryList.contains(zipentry.getName())) {
                    jout.putNextEntry(zipentry);
                    if (!zipentry.isDirectory()) {
                        int j;
                        try {
                            while ((j = zipinputstream.read(abyte0, 0, abyte0.length)) != -1)
                                jout.write(abyte0, 0, j);
                        } catch (IOException ie) {
                            throw ie;
                        }
                    }
                    entryList.add(zipentry.getName());
                }
            }
        }
        zipinputstream.close();
        bufferedinputstream.close();
    }
    for (int i = 0; i < inFileList.length; i++) {
        add(jout, new File(inFileList[i]), prefixs[i]);
    }
    jout.close();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »