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

Example 31 with Inflater

use of java.util.zip.Inflater in project undertow by undertow-io.

the class CompressionUtilsTest method setup.

@Before
public void setup() throws Exception {
    compress = new Deflater(Deflater.BEST_SPEED, true);
    decompress = new Inflater(true);
}

Example 32 with Inflater

use of java.util.zip.Inflater in project intellij-community by JetBrains.

the class BinaryEncoder method decode.

public static void decode(@NotNull ListIterator<String> input, long size, @NotNull ByteArrayOutputStream output) throws BinaryPatchException {
    Inflater inflater = new Inflater();
    byte[] inflated = new byte[1024];
    try {
        String line = input.next();
        while (line != null && line.length() > 0) {
            int len = getLineSizeFromChar(line.charAt(0));
            byte[] toInflate = Base85x.decode(line.substring(1));
            inflater.setInput(toInflate, 0, len);
            int resultLength;
            while (!inflater.needsInput()) {
                try {
                    resultLength = inflater.inflate(inflated);
                } catch (DataFormatException e) {
                    throw new BinaryPatchException("Can't decode binary file patch: can't decompress data");
                }
                output.write(inflated, 0, resultLength);
            }
            if (!input.hasNext())
                break;
            line = input.next();
        }
        int count = output.size();
        if (count != size) {
            throw new BinaryPatchException(String.format("Length of decoded binary patch mismatches: expected %d, received %d", size, count));
        }
    } catch (Base85x.Base85FormatException e) {
        throw new BinaryPatchException(e);
    } finally {
        inflater.end();
    }
}

Example 33 with Inflater

use of java.util.zip.Inflater in project teaTime by ancfdy.

the class AppZLibMgr method decompressEx.

/**
     * 解压缩
     *
     * @param data
     *            待压缩的数据
     * @return byte[] 解压缩后的数据
     */
public static byte[] decompressEx(byte[] data, int offset, int len) {
    byte[] output = new byte[0];
    Inflater decompresser = new Inflater();
    decompresser.reset();
    decompresser.setInput(data, offset, len);
    ByteArrayOutputStream o = new ByteArrayOutputStream(data.length);
    try {
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        output = data;
        e.printStackTrace();
    } finally {
        try {
            o.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    decompresser.end();
    return output;
}

Example 34 with Inflater

use of java.util.zip.Inflater in project WordPress-Android by wordpress-mobile.

the class Note method buildFromBase64EncodedData.

public static synchronized Note buildFromBase64EncodedData(String noteId, String base64FullNoteData) {
    Note note = null;
    if (base64FullNoteData == null)
        return null;
    byte[] b64DecodedPayload = Base64.decode(base64FullNoteData, Base64.DEFAULT);
    // Decompress the payload
    Inflater decompresser = new Inflater();
    decompresser.setInput(b64DecodedPayload, 0, b64DecodedPayload.length);
    //max length an Android PN payload can have
    byte[] result = new byte[4096];
    int resultLength = 0;
    try {
        resultLength = decompresser.inflate(result);
        decompresser.end();
    } catch (DataFormatException e) {
        AppLog.e(AppLog.T.NOTIFS, "Can't decompress the PN Payload. It could be > 4K", e);
    }
    String out = null;
    try {
        out = new String(result, 0, resultLength, "UTF8");
    } catch (UnsupportedEncodingException e) {
        AppLog.e(AppLog.T.NOTIFS, "Notification data contains non UTF8 characters.", e);
    }
    if (out != null) {
        try {
            JSONObject jsonObject = new JSONObject(out);
            if (jsonObject.has("notes")) {
                JSONArray jsonArray = jsonObject.getJSONArray("notes");
                if (jsonArray != null && jsonArray.length() == 1) {
                    jsonObject = jsonArray.getJSONObject(0);
                }
            }
            note = new Note(noteId, jsonObject);
        } catch (JSONException e) {
            AppLog.e(AppLog.T.NOTIFS, "Can't parse the Note JSON received in the PN", e);
        }
    }
    return note;
}

Example 35 with Inflater

use of java.util.zip.Inflater in project teaTime by ancfdy.

the class AppZLibMgr method decompress.

/**
     * 解压缩
     *
     * @param data
     *            待压缩的数据
     * @return byte[] 解压缩后的数据
     */
public static byte[] decompress(byte[] data) {
    byte[] output = new byte[0];
    Inflater decompresser = new Inflater();
    decompresser.reset();
    decompresser.setInput(data);
    ByteArrayOutputStream o = new ByteArrayOutputStream(data.length);
    try {
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        output = data;
        e.printStackTrace();
    } finally {
        try {
            o.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    decompresser.end();
    return output;
}