org.springframework.util.CommonsLogWriter#com.caucho.hessian.io.Hessian2Input源码实例Demo

public Hessian2Input unwrapHeaders(Hessian2Input in)
  throws IOException
{
  if (_privateKey == null)
    throw new IOException("X509Encryption.unwrap requires a private key");
  
  if (_cert == null)
    throw new IOException("X509Encryption.unwrap requires a certificate");
  
  InputStream is = new EncryptInputStream(in);

  Hessian2Input filter = new Hessian2Input(is);
  
  filter.setCloseStreamOnClose(true);
  
  return filter;
}
 

public void close()
  throws IOException
{
  Hessian2Input in = _in;
  _in = null;

  if (in != null) {
    _cipherIn.close();
    _bodyIn.close();

    int len = in.readInt();

    if (len != 0)
      throw new IOException("Unexpected footer");

    in.completeEnvelope();

    in.close();
  }
}
 

@Test
public void npe() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output h2out = new Hessian2Output(bout);

    h2out.writeObject(new A(new Object()));

    h2out.flush();
    byte[] body = bout.toByteArray();

    ByteArrayInputStream input = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input h2in = new Hessian2Input(input);

    Object copy = h2in.readObject();

    assertTrue(copy instanceof A);
}
 

@org.junit.Test
public void testNull() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new GenericSerializerFactory());

    hout.writeObject(dg.generateNull());
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new SerializerFactory());

    assertNull(hin.readObject());

    hin.close();
}
 

@org.junit.Test
public void testBoolean() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new GenericSerializerFactory());

    hout.writeObject(dg.generateTrue());
    hout.writeObject(dg.generateFalse());
    hout.writeObject(dg.generateTrue());
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new SerializerFactory());

    assertEquals(true, hin.readObject());
    assertEquals(false, hin.readObject());
    assertEquals(true, hin.readObject());

    hin.close();
}
 

@Test
public void testAll() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output h2out = new Hessian2Output(bout);
    h2out.setSerializerFactory(factory);

    Map map = new HashMap();
    map.put("1", new long[] { 1L, 2L });

    h2out.writeObject(map);

    h2out.flush();
    byte[] body = bout.toByteArray();

    ByteArrayInputStream input = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(input);

    Map copy = (Map) hin.readObject();

    long[] a1 = (long[]) map.get("1");
    long[] a2 = (long[]) copy.get("1");
    assertEquals(a1.length, a2.length);
    for (int i = 0; i < a1.length; ++i)
        assertEquals(a1[i], a2[i]);
}
 

@Test
public void oneArray() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output h2out = new Hessian2Output(bout);

    Map map = new HashMap();
    map.put("1", new long[] { 1L, 2L });

    h2out.writeObject(map);

    h2out.flush();
    byte[] body = bout.toByteArray();

    ByteArrayInputStream input = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(input);

    Map copy = (Map) hin.readObject();

    long[] a1 = (long[]) map.get("1");
    long[] a2 = (long[]) copy.get("1");
    assertEquals(a1.length, a2.length);
    for (int i = 0; i < a1.length; ++i)
        assertEquals(a1[i], a2[i]);
}
 

@org.junit.Test
public void testNull() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new SerializerFactory());

    hout.writeObject(dg.generateNull());
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new GenericSerializerFactory());

    assertNull(hin.readObject());

    hin.close();
}
 

@org.junit.Test
public void testBoolean() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new SerializerFactory());

    hout.writeObject(dg.generateTrue());
    hout.writeObject(dg.generateFalse());
    hout.writeObject(dg.generateTrue());
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new GenericSerializerFactory());

    assertEquals(true, hin.readObject());
    assertEquals(false, hin.readObject());
    assertEquals(true, hin.readObject());

    hin.close();
}
 

@org.junit.Test
public void testDate() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new SerializerFactory());

    hout.writeObject(dg.generateDate_0());
    hout.writeObject(dg.generateDate_1());
    hout.writeObject(dg.generateDate_2());

    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new GenericSerializerFactory());

    assertEquals(dg.generateDate_0(), hin.readObject());
    assertEquals(dg.generateDate_1(), hin.readObject());
    assertEquals(dg.generateDate_2(), hin.readObject());

    hin.close();
}
 

@org.junit.Test
public void testNull() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new GenericSerializerFactory());

    hout.writeObject(dg.generateNull());
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new GenericSerializerFactory());

    assertNull(hin.readObject());

    hin.close();
}
 

@org.junit.Test
public void testBoolean() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new GenericSerializerFactory());

    hout.writeObject(dg.generateTrue());
    hout.writeObject(dg.generateFalse());
    hout.writeObject(dg.generateTrue());
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new GenericSerializerFactory());

    assertEquals(true, hin.readObject());
    assertEquals(false, hin.readObject());
    assertEquals(true, hin.readObject());

    hin.close();
}
 

@org.junit.Test
public void testDate() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new GenericSerializerFactory());

    hout.writeObject(dg.generateDate_0());
    hout.writeObject(dg.generateDate_1());
    hout.writeObject(dg.generateDate_2());

    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new GenericSerializerFactory());

    assertEquals(dg.generateDate_0(), hin.readObject());
    assertEquals(dg.generateDate_1(), hin.readObject());
    assertEquals(dg.generateDate_2(), hin.readObject());

    hin.close();
}
 

@Test
public void testBeanDeserialize() throws IOException {
    byte[] bs = new byte[] { 79, -81, 99, 111, 109, 46, 97, 108, 105, 112, 97, 121, 46, 115, 116, 99, 46, 98
            , 108, 46, 84, 101, 115, 116, 66, 108, 97, 99, 107, 66, 101, 97, 110,
            -111, 6, 115, 116, 114, 105, 110, 103, 111, -112, 3, 115, 115, 115 };

    ByteArrayInputStream input = new ByteArrayInputStream(bs, 0, bs.length);
    Hessian2Input hin = new Hessian2Input(input);
    hin.setSerializerFactory(serializerFactory);

    try {
        hin.readObject();
        Assert.fail();
    } catch (Exception e) {
        Assert.assertTrue(e instanceof IOException);
    }
}
 

@Test
public void testListDeserialize() throws IOException {
    byte[] bs = new byte[] { 86, 110, 1, 79, -81, 99, 111, 109, 46, 97, 108, 105, 112, 97, 121, 46, 115,
            116, 99, 46, 98, 108, 46, 84, 101, 115, 116, 66, 108, 97, 99, 107, 66, 101, 97, 110, -111,
            6, 115, 116, 114, 105, 110, 103, 111, -112, 3, 115, 115, 115, 122 };

    ByteArrayInputStream input = new ByteArrayInputStream(bs, 0, bs.length);
    Hessian2Input hin = new Hessian2Input(input);
    hin.setSerializerFactory(serializerFactory);

    try {
        hin.readObject();
        Assert.fail();
    } catch (Exception e) {
        Assert.assertTrue(e instanceof IOException);
    }
}
 

@Test
public void testMapDeserialize() throws IOException {
    byte[] bs = new byte[] { 77, 79, -81, 99, 111, 109, 46, 97, 108, 105, 112, 97, 121, 46, 115, 116, 99, 46, 98,
            108, 46, 84, 101, 115, 116, 66, 108, 97, 99, 107, 66, 101, 97, 110, -111, 6, 115, 116, 114, 105,
            110, 103, 111, -112, 3, 115, 115, 115, 74, 1, 122 };

    ByteArrayInputStream input = new ByteArrayInputStream(bs, 0, bs.length);
    Hessian2Input hin = new Hessian2Input(input);
    hin.setSerializerFactory(serializerFactory);

    try {
        hin.readObject();
        Assert.fail();
    } catch (Exception e) {
        Assert.assertTrue(e instanceof IOException);
    }
}
 

@Test
public void testHessian2Array() throws IOException {
    SerializerFactory factory = new SerializerFactory();
    String s = "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";
    byte[] bs = hex2byte(s.getBytes());
    Assert.assertTrue(s.equalsIgnoreCase(byte2hex(bs)));

    ByteArrayInputStream input = new ByteArrayInputStream(bs, 0, bs.length);
    Hessian2Input hin = new Hessian2Input(input);
    hin.setSerializerFactory(factory);

    try {
        hin.readObject();
        Assert.fail();
    } catch (Exception e) {
        Assert.assertTrue(e instanceof IOException);
    }
}
 

/**
 * 这个用例说明hessian写入的InputStram,反序列化时是byte[], 不兼容
 * @throws Exception
 */
@Test
public void testInputStream() throws Exception {
    InputStream inputStream = new FileInputStream("pom.xml");
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new SerializerFactory());
    hout.writeObject(inputStream);
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new SerializerFactory());

    Object o = hin.readObject();
    assertEquals(byte[].class, o.getClass());
}
 

/**
 * 这个用例说明目前的GenericObject结构是支持Throwable的
 * @throws Exception
 */
@Test
public void testThrowable() throws Exception {
    MyException ex = new MyException("hello exception!");
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new SerializerFactory());
    hout.writeObject(ex);
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new GenericSerializerFactory());

    Object o = hin.readObject();
    assertEquals(GenericObject.class, o.getClass());
    assertEquals(MyException.class.getName(), ((GenericObject) o).getType());
    MyException myException = GenericUtils.convertToObject(o);
    assertEquals(myException.getMessage(), "hello exception!");
}
 

@Override
public <T> T readObject(InputBuf inputBuf, Class<T> clazz) {
    Hessian2Input input = Inputs.getInput(inputBuf);
    try {
        Object obj = input.readObject(clazz);
        return clazz.cast(obj);
    } catch (IOException e) {
        ThrowUtil.throwException(e);
    } finally {
        try {
            input.close();
        } catch (IOException ignored) {}

        inputBuf.release();
    }
    return null; // never get here
}
 

/**
 * 这个用例说明hessian写入的Enumeration,反序列化时时是ArrayList, 不兼容
 * @throws Exception
 */
@Test
public void testEnumeration() throws Exception {

    MyEnumerator myEnumerator = new MyEnumerator(0, 5, new Object[] { 1, 2, 3, 4, 5 });
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new SerializerFactory());
    hout.writeObject(myEnumerator);
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new SerializerFactory());

    Object o = hin.readObject();
    assertEquals(ArrayList.class.getName(), o.getClass().getName());
}
 

@Test
public void test2StringArray() throws Exception {

    Object[][] strs = new String[2][3];
    strs[0][0] = "11111";
    strs[1][1] = "22222";

    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new GenericSerializerFactory());
    hout.writeObject(strs);
    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new GenericSerializerFactory());

    Object o = hin.readObject();
    assertTrue(o.getClass() == String[][].class);
    String[][] s = (String[][]) o;
    assertEquals("11111", s[0][0]);
    assertEquals("22222", s[1][1]);

}
 

public static void main(String[] args) throws IOException {
    //序列化
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    Hessian2Output out = new Hessian2Output(os);
    out.startMessage();
    TestUser user = new TestUser();
    out.writeObject(user);
    out.completeMessage();
    out.flush();
    byte[] bytes = os.toByteArray();
    out.close();
    os.close();

    //反序列化
    ByteArrayInputStream ins = new ByteArrayInputStream(bytes);
    Hessian2Input input = new Hessian2Input(ins);
    input.startMessage();
    user = (TestUser) input.readObject();
    input.completeMessage();
    input.close();
    ins.close();
}
 

@Test
public void testGenericObjectArray() throws IOException {
    GenericObject[] gpArr = dg.generateGenericObjectArray();

    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new GenericSerializerFactory());

    hout.writeObject(gpArr);

    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new SerializerFactory());

    Object[] pArr = (Object[]) hin.readObject();

    assertEquals(gpArr.length, pArr.length);
    cmpGPersonEqualPerson(gpArr[0], (Person) pArr[0]);
    cmpGPersonEqualPerson(gpArr[1], (Person) pArr[1]);
    cmpGPersonEqualPerson(gpArr[2], (Person) pArr[2]);
}
 

@Test
public void testAll() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output h2out = new Hessian2Output(bout);
    h2out.setSerializerFactory(factory);

    Map map = new HashMap();
    map.put("1", new long[] { 1L, 2L });

    h2out.writeObject(map);

    h2out.flush();
    byte[] body = bout.toByteArray();

    ByteArrayInputStream input = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(input);

    Map copy = (Map) hin.readObject();

    long[] a1 = (long[]) map.get("1");
    long[] a2 = (long[]) copy.get("1");
    assertEquals(a1.length, a2.length);
    for (int i = 0; i < a1.length; ++i)
        assertEquals(a1[i], a2[i]);
}
 

@Override
public void onApply(Iterator iter) {
    while (iter.hasNext()) {
        Closure done = iter.done();
        ByteBuffer data = iter.getData();
        ProcessRequest request;
        LeaderTaskClosure closure = null;

        if (done != null) {
            closure = (LeaderTaskClosure) done;
            request = closure.getRequest();
        } else {

            Hessian2Input input = new Hessian2Input(new ByteArrayInputStream(data.array()));
            SerializerFactory serializerFactory = new SerializerFactory();
            input.setSerializerFactory(serializerFactory);
            try {
                request = (ProcessRequest) input.readObject();
                input.close();
            } catch (IOException e) {
                throw new RuntimeException(
                    "IOException occurred when Hessian serializer decode!", e);
            }
        }

        ProcessResponse response = Processor.getInstance().process(request);

        if (closure != null) {
            closure.setResponse(response);
            closure.run(Status.OK());
        }
        iter.next();
    }
}
 

@Override
public GrpcResponse deserialize(GrpcService.Response response) {
    byte[] bytes = response.getResponse().toByteArray();
    UnsafeByteArrayInputStream inputStream = new UnsafeByteArrayInputStream(bytes);
    try {
        Hessian2Input input = new Hessian2Input(inputStream);
        input.setSerializerFactory(serializerFactory);
        GrpcResponse grpcResponse = (GrpcResponse) input.readObject();
        input.close();
        return grpcResponse;
    } catch (IOException e) {
        throw new GrpcException("sofa-hessian deserialize fail: " + e.getMessage());
    }
}
 

@Override
public SofaResponse decodeObject(AbstractByteBuf data, Map<String, String> context) throws SofaRpcException {
    try {
        UnsafeByteArrayInputStream inputStream = new UnsafeByteArrayInputStream(data.array());
        Hessian2Input input = new Hessian2Input(inputStream);
        // 根据SerializeType信息决定序列化器
        Object object;
        boolean genericSerialize = context != null && isGenericResponse(
            context.get(RemotingConstants.HEAD_GENERIC_TYPE));
        if (genericSerialize) {
            input.setSerializerFactory(genericSerializerFactory);
            GenericObject genericObject = (GenericObject) input.readObject();
            SofaResponse sofaResponse = new SofaResponse();
            sofaResponse.setErrorMsg((String) genericObject.getField("errorMsg"));
            sofaResponse.setAppResponse(genericObject.getField("appResponse"));
            sofaResponse.setResponseProps((Map<String, String>) genericObject.getField("responseProps"));
            object = sofaResponse;
        } else {
            input.setSerializerFactory(serializerFactory);
            object = input.readObject();
        }
        input.close();
        return (SofaResponse) object;
    } catch (IOException e) {
        throw buildDeserializeError(e.getMessage(), e);
    }
}
 

@Override
public void decodeObjectByTemplate(AbstractByteBuf data, Map<String, String> context, SofaResponse template)
    throws SofaRpcException {
    try {
        UnsafeByteArrayInputStream inputStream = new UnsafeByteArrayInputStream(data.array());
        Hessian2Input input = new Hessian2Input(inputStream);
        // 根据SerializeType信息决定序列化器
        boolean genericSerialize = context != null && isGenericResponse(
            context.get(RemotingConstants.HEAD_GENERIC_TYPE));
        if (genericSerialize) {
            input.setSerializerFactory(genericSerializerFactory);
            GenericObject genericObject = (GenericObject) input.readObject();
            template.setErrorMsg((String) genericObject.getField("errorMsg"));
            template.setAppResponse(genericObject.getField("appResponse"));
            template.setResponseProps((Map<String, String>) genericObject.getField("responseProps"));
        } else {
            input.setSerializerFactory(serializerFactory);
            SofaResponse tmp = (SofaResponse) input.readObject();
            // copy values to template
            template.setErrorMsg(tmp.getErrorMsg());
            template.setAppResponse(tmp.getAppResponse());
            template.setResponseProps(tmp.getResponseProps());
        }
        input.close();
    } catch (IOException e) {
        throw buildDeserializeError(e.getMessage(), e);
    }
}
 

@org.junit.Test
public void testString() throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    Hessian2Output hout = new Hessian2Output(bout);
    hout.setSerializerFactory(new GenericSerializerFactory());

    hout.writeObject(dg.generateString_0());
    hout.writeObject(dg.generateString_null());
    hout.writeObject(dg.generateString_1());
    hout.writeObject(dg.generateString_31());
    hout.writeObject(dg.generateString_32());
    hout.writeObject(dg.generateString_1023());
    hout.writeObject(dg.generateString_1024());
    hout.writeObject(dg.generateString_65536());

    hout.close();

    byte[] body = bout.toByteArray();
    ByteArrayInputStream bin = new ByteArrayInputStream(body, 0, body.length);
    Hessian2Input hin = new Hessian2Input(bin);
    hin.setSerializerFactory(new SerializerFactory());

    assertEquals(dg.generateString_0(), hin.readObject());
    assertEquals(dg.generateString_null(), hin.readObject());
    assertEquals(dg.generateString_1(), hin.readObject());
    assertEquals(dg.generateString_31(), hin.readObject());
    assertEquals(dg.generateString_32(), hin.readObject());
    assertEquals(dg.generateString_1023(), hin.readObject());
    assertEquals(dg.generateString_1024(), hin.readObject());
    assertEquals(dg.generateString_65536(), hin.readObject());

    hin.close();
}