# IncomingMessage.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.HttpMethod;
    import org.apache.synapse.commons.emulator.http.dsl.dto.Cookie;
    import org.apache.synapse.commons.emulator.http.dsl.dto.Header;
    import org.apache.synapse.commons.emulator.http.dsl.dto.QueryParameter;

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

    public class IncomingMessage {

        private static IncomingMessage incoming;
        private String path;
        private HttpMethod method;
        private String body;
        private List<Header> headers;
        private List<QueryParameter> queryParameters;
        private List<Cookie> cookies;

        private static IncomingMessage getInstance() {
            incoming = new IncomingMessage();
            return incoming;
        }

        public static IncomingMessage request() {
            return getInstance();
        }

        public IncomingMessage withMethod(HttpMethod method) {
            this.method = method;
            return this;
        }

        public IncomingMessage withPath(String path) {
            this.path = path;
            return this;
        }

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

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

        public IncomingMessage withHeaders(Header... headers) {
            this.headers = Arrays.asList(headers);
            return this;
        }

        public IncomingMessage withQueryParameter(String name, String value) {
            if (queryParameters == null) {
                this.queryParameters = new ArrayList<QueryParameter>();
            }
            this.queryParameters.add(new QueryParameter(name, value));
            return this;
        }

        public IncomingMessage withQueryParameters(QueryParameter... queryParameters) {
            this.queryParameters = Arrays.asList(queryParameters);
            return this;
        }

        public IncomingMessage withCookie(String name, String value) {
            if (cookies == null) {
                this.cookies = new ArrayList<Cookie>();
            }
            this.cookies.add(new Cookie(name, value));
            return this;
        }

        public IncomingMessage withCookies(Cookie... cookies) {
            this.cookies = Arrays.asList(cookies);
            return this;
        }

        public List<Cookie> getCookies() {
            return cookies;
        }

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

        public String getPath() {
            return path;
        }

        public HttpMethod getMethod() {
            return method;
        }

        public String getBody() {
            return body;
        }

        public List<QueryParameter> getQueryParameters() {
            return queryParameters;
        }
    }