Example usage for java.util Arrays copyOfRange

List of usage examples for java.util Arrays copyOfRange

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Introduction

In this page you can find the example usage for java.util Arrays copyOfRange.

Prototype

public static boolean[] copyOfRange(boolean[] original, int from, int to)

Source Link

Document

Copies the specified range of the specified array into a new array.

Usage

From source file:Main.java

/**
 * @return Get the array for week days for the current locale
 *///from ww w  .j  a  v a 2  s . c o  m
public static String[] getWeekDaysList(Context context) {
    DateFormatSymbols symbols = new DateFormatSymbols(getLocale(context));
    return Arrays.copyOfRange(symbols.getShortWeekdays(), 1, 8);
}

From source file:Main.java

public static byte[] aesIGEdecrypt(byte[] tmpAESiv, byte[] tmpAesKey, byte[] data) {
    try {/* w  w w  . j a  va 2 s.  c  om*/

        ByteBuffer out = ByteBuffer.allocate(data.length);

        byte[] iv2p = Arrays.copyOfRange(tmpAESiv, 0, tmpAESiv.length / 2);
        byte[] ivp = Arrays.copyOfRange(tmpAESiv, tmpAESiv.length / 2, tmpAESiv.length);

        int len = data.length / AES_BLOCK_SIZE;

        byte[] xorInput = null;
        byte[] xorOutput = null;

        SecretKeySpec keySpec = null;
        keySpec = new SecretKeySpec(tmpAesKey, "AES");
        Cipher cipher = null;
        cipher = Cipher.getInstance("AES/ECB/NoPadding");
        cipher.init(Cipher.DECRYPT_MODE, keySpec);

        byte[] input = null;
        byte[] output = null;

        for (int i = 0; i < len; i++) {
            input = Arrays.copyOfRange(data, i * AES_BLOCK_SIZE, (i + 1) * AES_BLOCK_SIZE);
            xorInput = xor(input, ivp);
            output = cipher.doFinal(xorInput);
            xorOutput = xor(output, iv2p);
            out.put(xorOutput);

            ivp = xorOutput;
            iv2p = input;
        }
        return out.array();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    }

    return null;
}

From source file:mongodb.MongoUtils.java

public static Object getValue(Document doc, String attribut) {
    if (!attribut.contains("."))
        return doc.get(attribut);
    else {//from ww  w .j  ava2 s. c  o  m
        //System.out.println("Attribut a splitter : ["+attribut+"]");
        String[] parties = attribut.split("\\.");
        Document nested = (Document) doc.get(parties[0]);

        return getValue(nested, StringUtils.join(Arrays.copyOfRange(parties, 1, parties.length), "."));
    }
}

From source file:Main.java

/**
 * Splits an array of objects into an array of smaller arrays. Useful for multithreaded bots.
 * CAVEAT: if splits > z.length, splits will be set to z.length.
 * /*from www  . j a v a 2s  . c o  m*/
 * @param z The array we'll be splitting
 * @param splits The number of sub-arrays you want.
 * 
 */

public static Object[][] arraySplitter(Object[] z, int splits) {

    if (splits > z.length)
        splits = z.length;

    Object[][] xf;

    if (splits == 0) {
        xf = new Object[][] { z };
        return xf;
    } else {
        xf = new Object[splits][];
        for (int i = 0; i < splits; i++) {
            Object[] temp;
            if (i == 0)
                temp = Arrays.copyOfRange(z, 0, z.length / splits);
            else if (i == splits - 1)
                temp = Arrays.copyOfRange(z, z.length / splits * (splits - 1), z.length);
            else
                temp = Arrays.copyOfRange(z, z.length / splits * (i), z.length / splits * (i + 1));

            xf[i] = temp;
        }
        return xf;
    }
}

From source file:Main.java

public static byte[] getRSAHackdData(byte[] dataWithHash) {
    BigInteger modulus = new BigInteger(
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
            16);//from w ww .  j  a v  a 2 s .c  o m
    BigInteger pubExp = new BigInteger("010001", 16);

    BigInteger r = new BigInteger(dataWithHash);

    BigInteger s = r.modPow(pubExp, modulus);
    byte[] temp = s.toByteArray();
    return Arrays.copyOfRange(temp, temp.length - 256, temp.length);
}

From source file:Main.java

public static byte[] trimLeadingZeros(byte[] byteArray) {
    int zeroCounter;
    for (zeroCounter = 0; zeroCounter < byteArray.length; zeroCounter++) {
        if (byteArray[zeroCounter] != 0) {
            break;
        }// w  w w.j  a va 2 s .  co m
    }
    return Arrays.copyOfRange(byteArray, zeroCounter, byteArray.length);
}

From source file:Main.java

public static float readFloat32(byte[] value, int start, int end) {
    byte[] bytes = Arrays.copyOfRange(value, start, end);
    float result = ByteBuffer.wrap(bytes).order(ByteOrder.LITTLE_ENDIAN).getFloat();
    return result;
}

From source file:Main.java

public static double readFloat64(byte[] value, int start, int end) {
    byte[] bytes = Arrays.copyOfRange(value, start, end);
    double result = ByteBuffer.wrap(bytes).order(ByteOrder.LITTLE_ENDIAN).getDouble();
    return result;
}

From source file:Main.java

public static CompletionInfo[] removeNulls(final CompletionInfo[] src) {
    int j = 0;//  w ww. ja v a2 s  .  co  m
    final CompletionInfo[] dst = new CompletionInfo[src.length];
    for (int i = 0; i < src.length; ++i) {
        if (null != src[i] && !TextUtils.isEmpty(src[i].getText())) {
            dst[j] = src[i];
            ++j;
        }
    }
    return Arrays.copyOfRange(dst, 0, j);
}

From source file:Main.java

/**
 * Finds the earliest point in buffer1 at which the first part of buffer2 matches.  For example,
 * overlapPoint("abcd", "cdef") == 2.//  www. j a v  a  2  s.c o  m
 */
public static int overlapPoint(CharArrayBuffer buffer1, CharArrayBuffer buffer2) {
    if (buffer1 == null || buffer2 == null) {
        return -1;
    }
    return overlapPoint(Arrays.copyOfRange(buffer1.data, 0, buffer1.sizeCopied),
            Arrays.copyOfRange(buffer2.data, 0, buffer2.sizeCopied));
}