| /* |
| * Copyright (c) 2014 DataTorrent, Inc. 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 com.datatorrent.lib.io; |
| |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import com.sun.jersey.api.client.ClientResponse; |
| import com.sun.jersey.api.client.WebResource; |
| |
| /** |
| * Operator to take in map of key value pairs and make a HTTP GET request with the key value pairs from the map |
| * as query parameters in the request. |
| * <p> |
| * If output port is connected, the response is emitted as {@link String} through the output port. |
| * </p> |
| * @displayName HTTP GET Map |
| * @category Input |
| * @tags http, input operator |
| * |
| * @param <K> Type of key in input map tuple |
| * @param <V> Type of value in input map tuple |
| * @since 1.0.2 |
| */ |
| public class HttpGetMapOperator<K, V> extends AbstractHttpGetOperator<Map<K, V>, String> |
| { |
| @Override |
| protected WebResource getResourceWithQueryParams(Map<K, V> t) |
| { |
| WebResource wr = wsClient.resource(url); |
| |
| for (Entry<K, V> entry : t.entrySet()) { |
| wr = wr.queryParam(entry.getKey().toString(), entry.getValue().toString()); |
| } |
| |
| return wr; |
| } |
| |
| @Override |
| protected void processResponse(ClientResponse response) |
| { |
| output.emit(response.getEntity(String.class)); |
| } |
| |
| private static final long serialVersionUID = 201405151104L; |
| } |