# ProtocolState.java

    /**
     *  Copyright (c) 2009, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
     *
     *  Licensed under the Apache License, Version 2.0 (the "License");
     *  you may not use this file except in compliance with the License.
     *  You may obtain a copy of the License at
     *
     *        http://www.apache.org/licenses/LICENSE-2.0
     *
     *  Unless required by applicable law or agreed to in writing, software
     *  distributed under the License is distributed on an "AS IS" BASIS,
     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     *  See the License for the specific language governing permissions and
     *  limitations under the License.
     */

    package org.apache.synapse.transport.passthru;

    /**
     * State of a request or a response in transport receiver or sender
     * is represented in these values.
     */
    public enum ProtocolState {
        /** Connection is at the initial stage ready to receive a request */
        REQUEST_READY,
        /** The connection is reading the request headers */
        REQUEST_HEAD,
        /** The connection is reading the request body */
        REQUEST_BODY,
        /** Request is completely received */
        REQUEST_DONE,
        /** The connection is reading the response headers */
        RESPONSE_HEAD,
        /** The connection si reading the response body */
        RESPONSE_BODY,
        /** The response is completed */
        RESPONSE_DONE,
        /** The connection is closing */
        CLOSING,
        /** The connection is closed */
        CLOSED,

        WSDL_RESPONSE_DONE
    }