# OutgoingMessage.java

    /*
     * Copyright (c) 2019, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
     *
     * WSO2 Inc. licenses this file to you 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.commons.emulator.http.dsl.dto.producer;

    import io.netty.handler.codec.http.HttpResponseStatus;
    import org.apache.synapse.commons.emulator.http.dsl.dto.Header;

    import java.util.ArrayList;
    import java.util.Arrays;
    import java.util.List;

    public class OutgoingMessage {

        private static OutgoingMessage outgoing;
        private HttpResponseStatus statusCode;
        private List<Header> headers;
        private String body;

        private static OutgoingMessage getInstance() {
            outgoing = new OutgoingMessage();
            return outgoing;
        }

        public static OutgoingMessage response() {
            return getInstance();
        }

        public OutgoingMessage withStatusCode(HttpResponseStatus statusCode) {
            this.statusCode = statusCode;
            return this;
        }

        public OutgoingMessage withHeader(String name, String value) {
            if (headers == null) {
                this.headers = new ArrayList<Header>();
            }
            headers.add(new Header(name, value));
            return this;
        }

        public OutgoingMessage withHeaders(Header... headers) {
            if (this.headers == null) {
                this.headers = new ArrayList<Header>();
            }

            if (headers != null && headers.length > 0) {
                this.headers.addAll(Arrays.asList(headers));
            }
            return this;
        }

        public OutgoingMessage withBody(String body) {
            this.body = body;
            return this;
        }

        public HttpResponseStatus getStatusCode() {
            return statusCode;
        }

        public List<Header> getHeaders() {
            return headers;
        }

        public String getBody() {
            return body;
        }
    }