Examples with ZipEntry java.util.zip.ZipEntry used on opensource projects

Example 36 with ZipEntry

use of java.util.zip.ZipEntry in project elasticsearch by elastic.

the class FileTestUtils method unzip.

/**
     * Unzip a zip file to a destination directory.  If the zip file does not exist, an IOException is thrown.
     * If the destination directory does not exist, it will be created.
     *
     * @param zip      zip file to unzip
     * @param destDir  directory to unzip the file to
     * @param prefixToRemove  the (optional) prefix in the zip file path to remove when writing to the destination directory
     * @throws IOException if zip file does not exist, or there was an error reading from the zip file or
     *                     writing to the destination directory
     */
public static void unzip(final Path zip, final Path destDir, @Nullable final String prefixToRemove) throws IOException {
    if (Files.notExists(zip)) {
        throw new IOException("[" + zip + "] zip file must exist");
    }
    Files.createDirectories(destDir);
    try (ZipInputStream zipInput = new ZipInputStream(Files.newInputStream(zip))) {
        ZipEntry entry;
        while ((entry = zipInput.getNextEntry()) != null) {
            final String entryPath;
            if (prefixToRemove != null) {
                if (entry.getName().startsWith(prefixToRemove)) {
                    entryPath = entry.getName().substring(prefixToRemove.length());
                } else {
                    throw new IOException("prefix not found: " + prefixToRemove);
                }
            } else {
                entryPath = entry.getName();
            }
            final Path path = Paths.get(destDir.toString(), entryPath);
            if (entry.isDirectory()) {
                Files.createDirectories(path);
            } else {
                Files.copy(zipInput, path);
            }
            zipInput.closeEntry();
        }
    }
}

Example 37 with ZipEntry

use of java.util.zip.ZipEntry in project MyDiary by erttyy8821.

the class ZipManager method unzip.

public void unzip(String backupZieFilePath, String location) throws IOException {
    int size;
    byte[] buffer = new byte[BUFFER_SIZE];
    try {
        if (!location.endsWith("/")) {
            location += "/";
        }
        File f = new File(location);
        if (!f.isDirectory()) {
            f.mkdirs();
        }
        ZipInputStream zin = new ZipInputStream(new BufferedInputStream(new FileInputStream(backupZieFilePath), BUFFER_SIZE));
        try {
            ZipEntry ze = null;
            while ((ze = zin.getNextEntry()) != null) {
                String path = location + ze.getName();
                File unzipFile = new File(path);
                if (ze.isDirectory()) {
                    if (!unzipFile.isDirectory()) {
                        unzipFile.mkdirs();
                    }
                } else {
                    // check for and create parent directories if they don't exist
                    File parentDir = unzipFile.getParentFile();
                    if (null != parentDir) {
                        if (!parentDir.isDirectory()) {
                            parentDir.mkdirs();
                        }
                    }
                    // unzip the file
                    FileOutputStream out = new FileOutputStream(unzipFile, false);
                    BufferedOutputStream fout = new BufferedOutputStream(out, BUFFER_SIZE);
                    try {
                        while ((size = zin.read(buffer, 0, BUFFER_SIZE)) != -1) {
                            fout.write(buffer, 0, size);
                        }
                        zin.closeEntry();
                    } finally {
                        fout.flush();
                        fout.close();
                    }
                }
            }
        } finally {
            zin.close();
        }
    } catch (Exception e) {
        Log.e(TAG, "Unzip exception", e);
    }
}

Example 38 with ZipEntry

use of java.util.zip.ZipEntry in project MyDiary by erttyy8821.

the class ZipManager method zipBackupJsonFile.

private void zipBackupJsonFile(String backupJsonFilePath, ZipOutputStream out) throws IOException {
    byte[] data = new byte[BUFFER_SIZE];
    FileInputStream fi = new FileInputStream(backupJsonFilePath);
    BufferedInputStream jsonFileOrigin = new BufferedInputStream(fi, BUFFER_SIZE);
    ZipEntry entry = new ZipEntry(BackupManager.BACKUP_JSON_FILE_NAME);
    out.putNextEntry(entry);
    int count;
    while ((count = jsonFileOrigin.read(data, 0, BUFFER_SIZE)) != -1) {
        out.write(data, 0, count);
    }
}

Example 39 with ZipEntry

use of java.util.zip.ZipEntry in project buck by facebook.

the class AgentUtil method getJarSignature.

public static String getJarSignature(String packagePath) throws IOException {
    Pattern signatureFilePattern = Pattern.compile("META-INF/[A-Z]+\\.SF");
    ZipFile packageZip = null;
    try {
        packageZip = new ZipFile(packagePath);
        // For each file in the zip.
        for (ZipEntry entry : Collections.list(packageZip.entries())) {
            // Ignore non-signature files.
            if (!signatureFilePattern.matcher(entry.getName()).matches()) {
                continue;
            }
            BufferedReader sigContents = null;
            try {
                sigContents = new BufferedReader(new InputStreamReader(packageZip.getInputStream(entry)));
                // For each line in the signature file.
                while (true) {
                    String line = sigContents.readLine();
                    if (line == null || line.equals("")) {
                        throw new IllegalArgumentException("Failed to find manifest digest in " + entry.getName());
                    }
                    String prefix = "SHA1-Digest-Manifest: ";
                    if (line.startsWith(prefix)) {
                        return line.substring(prefix.length());
                    }
                }
            } finally {
                if (sigContents != null) {
                    sigContents.close();
                }
            }
        }
    } finally {
        if (packageZip != null) {
            packageZip.close();
        }
    }
    throw new IllegalArgumentException("Failed to find signature file.");
}

Example 40 with ZipEntry

use of java.util.zip.ZipEntry in project buck by facebook.

the class DalvikAwareOutputStreamHelper method putEntry.

@Override
public void putEntry(FileLike fileLike) throws IOException {
    String name = fileLike.getRelativePath();
    // proguard seems to handle merging multiple -injars into a single -outjar.
    if (!containsEntry(fileLike)) {
        entryNames.add(name);
        outStream.putNextEntry(new ZipEntry(name));
        try (InputStream in = fileLike.getInput()) {
            ByteStreams.copy(in, outStream);
        }
        // Make sure FileLike#getSize didn't lie (or we forgot to call canPutEntry).
        DalvikStatsTool.Stats stats = dalvikStatsCache.getStats(fileLike);
        Preconditions.checkState(!isEntryTooBig(fileLike), "Putting entry %s (%s) exceeded maximum size of %s", name, stats.estimatedLinearAllocSize, linearAllocLimit);
        currentLinearAllocSize += stats.estimatedLinearAllocSize;
        currentMethodReferences.addAll(stats.methodReferences);
        currentFieldReferences.addAll(stats.fieldReferences);
        String report = String.format("%d %d %s\n", stats.estimatedLinearAllocSize, stats.methodReferences.size(), name);
        reportFileWriter.append(report);
    }
}