Java BinaryDecoder类代码示例

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
@Test
public void testAsBinaryDecoder() throws DecoderException {

    final BinaryDecoder decoder =
        (BinaryDecoder) RareBinaryDecoderProxy.newInstance();

    try {
        decoder.decode((byte[]) null);
        Assert.fail("passed.decode((byte[]) null)");
    } catch (final NullPointerException npe) {
        // expected
    }

    final byte[] expected = new byte[0];
    final byte[] actual = decoder.decode(expected);
    Assert.assertEquals(actual, expected);
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
@Test
public void testAsBinaryDecoder() throws DecoderException {

    final BinaryDecoder decoder =
        (BinaryDecoder) HexBinaryDecoderProxy.newInstance();

    try {
        decoder.decode((byte[]) null);
        Assert.fail("decode((byte[]) null)");
    } catch (final NullPointerException npe) {
        // expected
    }

    final byte[] encoded = Tests.encodedBytes();
    final byte[] decoded = decoder.decode(encoded);
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
protected static WebArchive getDefaultDeployment(TestContext context) {
    context.setAppEngineWebXmlFile("appengine-web-with-logging-properties.xml");
    WebArchive war = getTckDeployment(context);
    war.addClasses(LoggingTestBase.class, TestBase.class)
        // classes for Base64.isBase64()
        .addClasses(Base64.class, BaseNCodec.class)
        .addClasses(BinaryEncoder.class, Encoder.class)
        .addClasses(BinaryDecoder.class, Decoder.class)
        .addClasses(EncoderException.class, DecoderException.class)
        .addAsWebInfResource("currentTimeUsec.jsp")
        .addAsWebInfResource("doNothing.jsp")
        .addAsWebInfResource("storeTestData.jsp")
        .addAsWebInfResource("throwException.jsp")
        .addAsWebInfResource("log4j-test.properties")
        .addAsWebInfResource("logging-all.properties");
    return war;
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
/**
 * Tests to make sure Base64's implementation of the org.apache.commons.codec.BinaryDecoder
 * interface is behaving identical to commons-codec-1.3.jar.
 *
 * @throws DecoderException problem
 */
@Test
public void testBinaryDecoder() throws DecoderException {
    final BinaryDecoder dec = new Base64();
    for (int i = 0; i < STRINGS.length; i++) {
        if (STRINGS[i] != null) {
            final byte[] base64 = utf8(STRINGS[i]);
            final byte[] binary = BYTES[i];
            final boolean b = Arrays.equals(binary, dec.decode(base64));
            assertTrue("BinaryDecoder test-" + i, b);
        }
    }
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
private <TCoder extends BinaryEncoder & BinaryDecoder> void doTest(String plain, String key, String iv, TCoder coder)
{
    AESCipher cipher = new AESCipher();

    if (coder != null)
    {
        cipher.setCoder(coder);
    }

    cipher.setKey(key, iv);

    // Encrypt.
    String encrypted = cipher.encrypt(plain);

    if (iv == null)
    {
        byte[] iv2 = cipher.getCipher().getIV();
        cipher.setKey(key, iv2);
    }

    // Decrypt.
    String decrypted = cipher.decrypt(encrypted);

    if (DEBUG)
    {
        System.out.println("----------");
        System.out.println("codec     = " + ((coder != null) ? coder.getClass().getSimpleName() : "default"));
        System.out.println("plain     = " + plain);
        System.out.println("encrypted = " + encrypted);
        System.out.println("decrypted = " + decrypted);
    }

    assertNotEquals(plain, encrypted);
    assertEquals(plain, decrypted);
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
protected static WebArchive getHelperDeployment() {
    WebArchive war = getTckDeployment();
    war.addClass(DatastoreHelperTestBase.class)
        .addClasses(Base64.class, BaseNCodec.class)
        .addClasses(BinaryEncoder.class, Encoder.class)
        .addClasses(BinaryDecoder.class, Decoder.class)
        .addClasses(EncoderException.class, DecoderException.class);
    return war;
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
/**
 * Constructor with a cipher, an encoder and a decoder.
 *
 * @param cipher
 *         A cipher. If {@code null} is given, {@link #setCipher(Cipher)}
 *         must be called later with a valid cipher.
 *
 * @param encoder
 *         An encoder used in {@link #encrypt(String)} and
 *         {@link #encrypt(byte[])} to encode an encrypted byte array.
 *         If {@code null} is given, {@link Base64} is used as the default
 *         encoder.
 *
 * @param decoder
 *         A decoder used in {@link #decrypt(String)} and
 *         {@link #decrypt(byte[])} to decode an encoded input byte array.
 *         If {@code null} is given, {@link Base64} is used as the default
 *         decoder.
 */
public CodecCipher(Cipher cipher, BinaryEncoder encoder, BinaryDecoder decoder)
{
    this.cipher  = cipher;
    this.encoder = encoder;
    this.decoder = decoder;
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
/**
 * Set a decoder.
 *
 * @param decoder
 *         A decoder used by {@link #decrypt(String)} and
 *         {@link #decrypt(byte[])}.
 *
 * @return
 *         {@code this} object.
 */
public CodecCipher setDecoder(BinaryDecoder decoder)
{
    this.decoder = decoder;

    return this;
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
/**
 * Set a coder.
 *
 * @param coder
 *         A coder which works as both an encoder and a decoder.
 *         If {@code null} is given, {@link Base64} is used as the
 *         default coder.
 *
 * @return
 *         {@code this} object.
 */
public <TCoder extends BinaryEncoder & BinaryDecoder> CodecCipher setCoder(TCoder coder)
{
    this.encoder = coder;
    this.decoder = coder;

    return this;
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
/**
 * Constructor with an encoder and a decoder.
 *
 * <p>
 * This constructor just performs {@link CodecCipher#CodecCipher(String,
 * BinaryEncoder, BinaryDecoder) super("AES/CBC/PKCS5Padding", encoder, decoder)}.
 * </p>
 *
 * @param encoder
 *         An encoder used in {@link #encrypt(String) encrypt(String)} and
 *         {@link #encrypt(byte[]) encrypt(byte[])} to encode an encrypted byte array.
 *         If {@code null} is given, {@link Base64} is used as the default
 *         encoder.
 *
 * @param decoder
 *         A decoder used in {@link #decrypt(String) decrypt(String)} and
 *         {@link #decrypt(byte[]) decrypt(byte[])} to decode an encoded input byte array.
 *         If {@code null} is given, {@link Base64} is used as the default
 *         decoder.
 */
public AESCipher(BinaryEncoder encoder, BinaryDecoder decoder)
{
    super(TRANSFORMATION, encoder, decoder);
}
 

import org.apache.commons.codec.BinaryDecoder; //导入依赖的package包/类
/**
 * Get the decoder which this instance internally holds.
 *
 * @return
 *         The internal decoder. This may be {@code null}, and
 *         in such a case, {@link #decrypt(String)} and
 *         {@link #decrypt(byte[])} use {@link Base64}.
 */
public BinaryDecoder getDecoder()
{
    return decoder;
}