Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF 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.hyracks.http.server; import java.io.IOException; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import org.apache.hyracks.http.api.IServletRequest; import org.apache.hyracks.http.server.utils.HttpUtil; import io.netty.handler.codec.http.FullHttpRequest; import io.netty.handler.codec.http.QueryStringDecoder; public class BaseRequest implements IServletRequest { protected final FullHttpRequest request; protected final Map<String, List<String>> parameters; public static IServletRequest create(FullHttpRequest request) throws IOException { QueryStringDecoder decoder = new QueryStringDecoder(request.uri()); Map<String, List<String>> param = decoder.parameters(); return new BaseRequest(request, param); } protected BaseRequest(FullHttpRequest request, Map<String, List<String>> parameters) { this.request = request; this.parameters = parameters; } @Override public FullHttpRequest getHttpRequest() { return request; } @Override public String getParameter(CharSequence name) { return HttpUtil.getParameter(parameters, name); } @Override public Set<String> getParameterNames() { return Collections.unmodifiableSet(parameters.keySet()); } @Override public Map<String, String> getParameters() { HashMap<String, String> paramMap = new HashMap<>(); for (String name : parameters.keySet()) { paramMap.put(name, HttpUtil.getParameter(parameters, name)); } return Collections.unmodifiableMap(paramMap); } @Override public String getHeader(CharSequence name) { return request.headers().get(name); } }