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

Example 51 with ObjectOutputStream

use of java.io.ObjectOutputStream in project camel by apache.

the class DefaultNettyHttpBinding method toNettyResponse.

@Override
public HttpResponse toNettyResponse(Message message, NettyHttpConfiguration configuration) throws Exception {
    LOG.trace("toNettyResponse: {}", message);
    // the message body may already be a Netty HTTP response
    if (message.getBody() instanceof HttpResponse) {
        return (HttpResponse) message.getBody();
    }
    // the response code is 200 for OK and 500 for failed
    boolean failed = message.getExchange().isFailed();
    int defaultCode = failed ? 500 : 200;
    int code = message.getHeader(Exchange.HTTP_RESPONSE_CODE, defaultCode, int.class);
    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(code));
    LOG.trace("HTTP Status Code: {}", code);
    TypeConverter tc = message.getExchange().getContext().getTypeConverter();
    // must use entrySet to ensure case of keys is preserved
    for (Map.Entry<String, Object> entry : message.getHeaders().entrySet()) {
        String key = entry.getKey();
        Object value = entry.getValue();
        // use an iterator as there can be multiple values. (must not use a delimiter)
        final Iterator<?> it = ObjectHelper.createIterator(value, null);
        while (it.hasNext()) {
            String headerValue = tc.convertTo(String.class, it.next());
            if (headerValue != null && headerFilterStrategy != null && !headerFilterStrategy.applyFilterToCamelHeaders(key, headerValue, message.getExchange())) {
                LOG.trace("HTTP-Header: {}={}", key, headerValue);
                response.headers().add(key, headerValue);
            }
        }
    }
    Object body = message.getBody();
    Exception cause = message.getExchange().getException();
    // support bodies as native Netty
    ChannelBuffer buffer;
    // if there was an exception then use that as body
    if (cause != null) {
        if (configuration.isTransferException()) {
            // we failed due an exception, and transfer it as java serialized object
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(bos);
            oos.writeObject(cause);
            oos.flush();
            IOHelper.close(oos, bos);
            // the body should be the serialized java object of the exception
            body = ChannelBuffers.copiedBuffer(bos.toByteArray());
            // force content type to be serialized java object
            message.setHeader(Exchange.CONTENT_TYPE, NettyHttpConstants.CONTENT_TYPE_JAVA_SERIALIZED_OBJECT);
        } else {
            // we failed due an exception so print it as plain text
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            cause.printStackTrace(pw);
            // the body should then be the stacktrace
            body = ChannelBuffers.copiedBuffer(sw.toString().getBytes());
            // force content type to be text/plain as that is what the stacktrace is
            message.setHeader(Exchange.CONTENT_TYPE, "text/plain");
        }
        // and mark the exception as failure handled, as we handled it by returning it as the response
        ExchangeHelper.setFailureHandled(message.getExchange());
    }
    if (body instanceof ChannelBuffer) {
        buffer = (ChannelBuffer) body;
    } else {
        // try to convert to buffer first
        buffer = message.getBody(ChannelBuffer.class);
        if (buffer == null) {
            // fallback to byte array as last resort
            byte[] data = message.getBody(byte[].class);
            if (data != null) {
                buffer = ChannelBuffers.copiedBuffer(data);
            } else {
                // and if byte array fails then try String
                String str;
                if (body != null) {
                    str = message.getMandatoryBody(String.class);
                } else {
                    str = "";
                }
                buffer = ChannelBuffers.copiedBuffer(str.getBytes());
            }
        }
    }
    if (buffer != null) {
        response.setContent(buffer);
        // We just need to reset the readerIndex this time
        if (buffer.readerIndex() == buffer.writerIndex()) {
            buffer.setIndex(0, buffer.writerIndex());
        }
        // TODO How to enable the chunk transport 
        int len = buffer.readableBytes();
        // set content-length
        response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, len);
        LOG.trace("Content-Length: {}", len);
    }
    // set the content type in the response.
    String contentType = MessageHelper.getContentType(message);
    if (contentType != null) {
        // set content-type
        response.headers().set(HttpHeaders.Names.CONTENT_TYPE, contentType);
        LOG.trace("Content-Type: {}", contentType);
    }
    // configure connection to accordingly to keep alive configuration
    // favor using the header from the message
    String connection = message.getHeader(HttpHeaders.Names.CONNECTION, String.class);
    // Read the connection header from the exchange property
    if (connection == null) {
        connection = message.getExchange().getProperty(HttpHeaders.Names.CONNECTION, String.class);
    }
    if (connection == null) {
        // fallback and use the keep alive from the configuration
        if (configuration.isKeepAlive()) {
            connection = HttpHeaders.Values.KEEP_ALIVE;
        } else {
            connection = HttpHeaders.Values.CLOSE;
        }
    }
    response.headers().set(HttpHeaders.Names.CONNECTION, connection);
    // Just make sure we close the channel when the connection value is close
    if (connection.equalsIgnoreCase(HttpHeaders.Values.CLOSE)) {
        message.setHeader(NettyConstants.NETTY_CLOSE_CHANNEL_WHEN_COMPLETE, true);
    }
    LOG.trace("Connection: {}", connection);
    return response;
}

Example 52 with ObjectOutputStream

use of java.io.ObjectOutputStream in project camel by apache.

the class RabbitMQInOutIntTest method testSerializableObject.

@Test
public void testSerializableObject() throws IOException {
    TestSerializableObject foo = new TestSerializableObject();
    foo.setName("foobar");
    byte[] body = null;
    try (ByteArrayOutputStream b = new ByteArrayOutputStream();
        ObjectOutputStream o = new ObjectOutputStream(b)) {
        o.writeObject(foo);
        body = b.toByteArray();
    }
    TestSerializableObject newFoo = null;
    try (InputStream b = new ByteArrayInputStream(body);
        ObjectInputStream o = new ObjectInputStream(b)) {
        newFoo = (TestSerializableObject) o.readObject();
    } catch (IOException | ClassNotFoundException e) {
    }
    assertEquals(foo.getName(), newFoo.getName());
}

Example 53 with ObjectOutputStream

use of java.io.ObjectOutputStream in project camel by apache.

the class ShiroSecurityHelper method encrypt.

public static ByteSource encrypt(ShiroSecurityToken securityToken, byte[] passPhrase, CipherService cipherService) throws Exception {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    ObjectOutput serialStream = new ObjectOutputStream(stream);
    try {
        serialStream.writeObject(securityToken);
        return cipherService.encrypt(stream.toByteArray(), passPhrase);
    } finally {
        close(serialStream);
        IOHelper.close(stream);
    }
}

Example 54 with ObjectOutputStream

use of java.io.ObjectOutputStream in project okio by square.

the class TestUtil method reserialize.

/** Serializes original to bytes, then deserializes those bytes and returns the result. */
// Assume serialization doesn't change types.
@SuppressWarnings("unchecked")
public static <T extends Serializable> T reserialize(T original) throws Exception {
    Buffer buffer = new Buffer();
    ObjectOutputStream out = new ObjectOutputStream(buffer.outputStream());
    out.writeObject(original);
    ObjectInputStream in = new ObjectInputStream(buffer.inputStream());
    return (T) in.readObject();
}

Example 55 with ObjectOutputStream

use of java.io.ObjectOutputStream in project hazelcast by hazelcast.

the class MulticastDiscoverySender method initDatagramPacket.

private void initDatagramPacket() throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out;
    out = new ObjectOutputStream(bos);
    out.writeObject(multicastMemberInfo);
    byte[] yourBytes = bos.toByteArray();
    datagramPacket = new DatagramPacket(yourBytes, yourBytes.length, InetAddress.getByName(group), port);
}