Examples with ObjectInput java.io.ObjectInput used on opensource projects

Example 26 with ObjectInput

use of java.io.ObjectInput in project stream-lib by addthis.

the class TestStreamSummary method testSerialization.

@SuppressWarnings("unchecked")
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
    StreamSummary<String> vs = new StreamSummary<String>(3);
    String[] stream = { "X", "X", "Y", "Z", "A", "B", "C", "X", "X", "A", "C", "A", "A" };
    for (String i : stream) {
        vs.offer(i);
    }
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutput oo = new ObjectOutputStream(baos);
    oo.writeObject(vs);
    oo.close();
    ObjectInput oi = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
    StreamSummary<String> clone = (StreamSummary<String>) oi.readObject();
    assertEquals(vs.toString(), clone.toString());
}

Example 27 with ObjectInput

use of java.io.ObjectInput in project imcache by Cetsoft.

the class Serializer method deserialize.

/**
     * Deserialize.
     *
     * @param <C> the generic type
     * @param bytes the bytes
     * @return the c
     */
@SuppressWarnings("unchecked")
public static <C> C deserialize(byte[] bytes) {
    Object object = null;
    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
    try {
        ObjectInput in = new ObjectInputStream(bis);
        object = in.readObject();
        bis.close();
        in.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
    return (C) object;
}

Example 28 with ObjectInput

use of java.io.ObjectInput in project wildfly by wildfly.

the class DsTestCase method testDatasourceSerialization.

@Test
public void testDatasourceSerialization() throws Exception {
    InitialContext context = new InitialContext();
    DataSource originalDs = (DataSource) context.lookup(JNDI_NAME);
    //serialize
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;
    DataSource ds;
    ObjectInput in = null;
    try {
        out = new ObjectOutputStream(bos);
        out.writeObject(originalDs);
        byte[] bytes = bos.toByteArray();
        //deserialize
        ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
        try {
            in = new ObjectInputStream(bis);
            ds = (DataSource) in.readObject();
        } finally {
            try {
                bis.close();
            } catch (IOException ex) {
            // ignore close exception
            }
            try {
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
            // ignore close exception
            }
        }
        //use
        Connection conn = ds.getConnection();
        ResultSet rs = conn.prepareStatement("select 1").executeQuery();
        Assert.assertTrue(rs.next());
        conn.close();
    } finally {
        try {
            if (out != null) {
                out.close();
            }
        } catch (IOException ex) {
        // ignore close exception
        }
        try {
            bos.close();
        } catch (IOException ex) {
        // ignore close exception
        }
    }
}

Example 29 with ObjectInput

use of java.io.ObjectInput in project motan by weibocom.

the class CompressRpcCodec method decodeRequest.

private Object decodeRequest(byte[] body, long requestId, String remoteIp, Serialization serialization) throws IOException, ClassNotFoundException {
    ObjectInput input = createInput(getInputStream(body));
    String interfaceName = null;
    String methodName = null;
    String paramtersDesc = null;
    String group = null;
    String version = null;
    String flag = input.readUTF();
    if (SIGN_FLAG.equals(flag)) {
        // 方法签名方式
        String sign = input.readUTF();
        MethodInfo mInfo = SIGN_METHOD_MAP.get(sign);
        if (mInfo == null) {
            throw new MotanFrameworkException("decode error: invalid method sign: " + sign, MotanErrorMsgConstant.FRAMEWORK_DECODE_ERROR);
        }
        interfaceName = mInfo.getInterfaceName();
        methodName = mInfo.getMethodName();
        paramtersDesc = mInfo.getParamtersDesc();
        group = mInfo.getGroup();
        version = mInfo.getVersion();
    } else {
        interfaceName = flag;
        methodName = input.readUTF();
        paramtersDesc = input.readUTF();
    }
    DefaultRequest rpcRequest = new DefaultRequest();
    rpcRequest.setRequestId(requestId);
    rpcRequest.setInterfaceName(interfaceName);
    rpcRequest.setMethodName(methodName);
    rpcRequest.setParamtersDesc(paramtersDesc);
    rpcRequest.setArguments(decodeRequestParameter(input, paramtersDesc, serialization));
    rpcRequest.setAttachments(decodeRequestAttachments(input));
    rpcRequest.setRpcProtocolVersion(RpcProtocolVersion.VERSION_2.getVersion());
    input.close();
    Map<String, String> attachments = rpcRequest.getAttachments();
    // 根据签名添加client固定参数。
    putSignedAttachment(attachments, remoteIp);
    if (attachments.get(URLParamType.group.name()) == null) {
        // 如果attachment sign失效时，需要使用methodsign中的group信息。
        attachments.put(URLParamType.group.name(), group);
        attachments.put(URLParamType.version.name(), version);
    }
    return rpcRequest;
}

Example 30 with ObjectInput

use of java.io.ObjectInput in project motan by weibocom.

the class DefaultRpcCodec method decodeRequest.

private Object decodeRequest(byte[] body, long requestId, Serialization serialization) throws IOException, ClassNotFoundException {
    ByteArrayInputStream inputStream = new ByteArrayInputStream(body);
    ObjectInput input = createInput(inputStream);
    String interfaceName = input.readUTF();
    String methodName = input.readUTF();
    String paramtersDesc = input.readUTF();
    DefaultRequest rpcRequest = new DefaultRequest();
    rpcRequest.setRequestId(requestId);
    rpcRequest.setInterfaceName(interfaceName);
    rpcRequest.setMethodName(methodName);
    rpcRequest.setParamtersDesc(paramtersDesc);
    rpcRequest.setArguments(decodeRequestParameter(input, paramtersDesc, serialization));
    rpcRequest.setAttachments(decodeRequestAttachments(input));
    input.close();
    return rpcRequest;
}