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Java client to use for MessageBus hornetq servers
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/**
 * Copyright (c) 2013, Groupon, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of GROUPON nor the names of its contributors may be
 * used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.groupon.stomp;

public interface Stomp {
    String NULL = "\u0000";
    String NEWLINE = "\n";

    public static interface Commands {
        String CONNECT = "CONNECT";
        String SEND = "SEND";
        String DISCONNECT = "DISCONNECT";
        String SUBSCRIBE = "SUB";
        String UNSUBSCRIBE = "UNSUB";

        String BEGIN_TRANSACTION = "BEGIN";
        String COMMIT_TRANSACTION = "COMMIT";
        String ABORT_TRANSACTION = "ABORT";
        String BEGIN = "BEGIN";
        String COMMIT = "COMMIT";
        String ABORT = "ABORT";
        String ACK = "ACK";
    }

    public interface Responses {
        String CONNECTED = "CONNECTED";
        String ERROR = "ERROR";
        String MESSAGE = "MESSAGE";
        String RECEIPT = "RECEIPT";
    }

    public interface Headers {
        String SEPERATOR = ":";
        String RECEIPT_REQUESTED = "receipt";
        String TRANSACTION = "transaction";
        String CONTENT_LENGTH = "content-length";
        String TRANSFORMATION = "transformation";
        String TRANSFORMATION_ERROR = "transformation-error";
        /**
         * This header is used to instruct ActiveMQ to construct the message
         * based with a specific type.
         */
        String AMQ_MESSAGE_TYPE = "amq-msg-type";

        public interface Response {
            String RECEIPT_ID = "receipt-id";
        }

        public interface Send {
            String DESTINATION = "destination";
            String CORRELATION_ID = "correlation-id";
            String REPLY_TO = "reply-to";
            String EXPIRATION_TIME = "expires";
            String PRIORITY = "priority";
            String TYPE = "type";
            String PERSISTENT = "persistent";
        }

        public interface Message {
            String MESSAGE_ID = "message-id";
            String DESTINATION = "destination";
            String CORRELATION_ID = "correlation-id";
            String EXPIRATION_TIME = "expires";
            String REPLY_TO = "reply-to";
            String PRORITY = "priority";
            String REDELIVERED = "redelivered";
            String TIMESTAMP = "timestamp";
            String TYPE = "type";
            String SUBSCRIPTION = "subscription";
            String USERID = "JMSXUserID";
            String ORIGINAL_DESTINATION = "original-destination";
        }

        public interface Subscribe {
            String DESTINATION = "destination";
            String ACK_MODE = "ack";
            String ID = "id";
            String SELECTOR = "selector";

            public interface AckModeValues {
                String AUTO = "auto";
                String CLIENT = "client";
                String INDIVIDUAL = "client-individual";
            }
        }

        public interface Unsubscribe {
            String DESTINATION = "destination";
            String ID = "id";
        }

        public interface Connect {
            String LOGIN = "login";
            String PASSCODE = "passcode";
            String CLIENT_ID = "client-id";
            String REQUEST_ID = "request-id";
        }

        public interface Error {
            String MESSAGE = "message";
        }

        public interface Connected {
            String SESSION = "session";
            String RESPONSE_ID = "response-id";
        }

        public interface Ack {
            String MESSAGE_ID = "message-id";
        }
    }

    public enum Transformations {
        JMS_BYTE,
        JMS_XML,
        JMS_JSON,
        JMS_OBJECT_XML,
        JMS_OBJECT_JSON,
        JMS_MAP_XML,
        JMS_MAP_JSON,
        JMS_ADVISORY_XML,
        JMS_ADVISORY_JSON;

        public String toString() {
            return name().replaceAll("_", "-").toLowerCase();
        }
        
        public static Transformations getValue(String value) {
            return valueOf(value.replaceAll("-", "_").toUpperCase());
        }
    }
}