1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 21 package org.apache.mina.http.api; 22 23 import java.util.List; 24 import java.util.Map; 25 26 /** 27 * An HTTP request element 28 * 29 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 30 */ 31 public interface HttpRequest extends HttpMessage { 32 33 /** 34 * Determines whether this request contains at least one parameter with the specified name 35 * 36 * @param name The parameter name 37 * @return <tt>true</tt> if this request contains at least one parameter with the specified name 38 */ 39 boolean containsParameter(String name); 40 41 /** 42 * Returns the value of a request parameter as a String, or null if the parameter does not exist. 43 * 44 * If the request contained multiple parameters with the same name, this method returns the first parameter 45 * encountered in the request with the specified name 46 * 47 * @param name The parameter name 48 * @return The value 49 */ 50 String getParameter(String name); 51 52 /** 53 * @return The query part 54 */ 55 String getQueryString(); 56 57 /** 58 * @return a read only {@link Map} of query parameters whose key is a {@link String} and whose value is a 59 * {@link List} of {@link String}s. 60 */ 61 Map<String, List<String>> getParameters(); 62 63 /** 64 * Return the HTTP method used for this message {@link HttpMethod} 65 * 66 * @return the method 67 */ 68 HttpMethod getMethod(); 69 70 /** 71 * Return the HTTP request path 72 * 73 * @return the request path 74 */ 75 String getRequestPath(); 76 }