| /* |
| * Copyright 2004,2005 The Apache Software Foundation. |
| * |
| * 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 sample.yahooservices.RESTSearch; |
| |
| import org.apache.axiom.om.OMAbstractFactory; |
| import org.apache.axiom.om.OMElement; |
| import org.apache.axiom.om.OMFactory; |
| import org.apache.axis2.Constants; |
| import org.apache.axis2.addressing.EndpointReference; |
| import org.apache.axis2.client.Options; |
| import org.apache.axis2.client.ServiceClient; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.net.URLEncoder; |
| import java.util.Iterator; |
| |
| public class RESTSearchModel { |
| /** |
| * HTML Header to desplay snippet text |
| */ |
| private String beginHTML = "<HTML><HEAD><TITLE>Search Results</TITLE></HEAD><BODY>"; |
| |
| /** |
| * HTML footer |
| */ |
| private String endHTML = "</BODY></HTML>"; |
| |
| /** |
| * Store the texts read by NavigationURL of soap |
| */ |
| private String snippet; |
| |
| public String searchYahoo(String query, String format) { |
| try { |
| snippet = beginHTML; |
| String epr = "http://api.search.yahoo.com/WebSearchService/V1/webSearch"; |
| |
| ServiceClient client = new ServiceClient(); |
| Options options = new Options(); |
| client.setOptions(options); |
| options.setTo(new EndpointReference(epr)); |
| options.setProperty(Constants.Configuration.ENABLE_REST, Constants.VALUE_TRUE); |
| options.setProperty(Constants.Configuration.HTTP_METHOD, Constants.Configuration.HTTP_METHOD_GET); |
| |
| //if post is through GET of HTTP |
| OMElement response = client.sendReceive(getPayloadForYahooSearchCall(query, format)); |
| generateSnippet(response); |
| return snippet; |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| snippet = "<H2>Error occurred during the invocation to Yahoo search service</H2>" + |
| "<p>" + e.getMessage() + "</p>" + endHTML; |
| } |
| return null; |
| } |
| |
| private static OMElement getPayloadForYahooSearchCall(String queryStr, String formatStr) throws UnsupportedEncodingException { |
| OMFactory fac = OMAbstractFactory.getOMFactory(); |
| OMElement rootElement = fac.createOMElement("webSearch", null); |
| |
| OMElement appId = fac.createOMElement("appid", null, rootElement); |
| appId.setText("ApacheRestDemo"); |
| |
| OMElement query = fac.createOMElement("query", null, rootElement); |
| query.setText(URLEncoder.encode(queryStr, "UTF-8")); |
| |
| if (formatStr != null && formatStr.length() != 0) { |
| OMElement format = fac.createOMElement("format", null, rootElement); |
| format.setText(URLEncoder.encode(formatStr, "UTF-8")); |
| } |
| return rootElement; |
| } |
| |
| private void generateSnippet(OMElement response) { |
| String title = null; |
| String summary = null; |
| String clickUrl = null; |
| String url = null; |
| OMElement result = null; |
| //get an iterator for Result elements |
| Iterator itr = response.getChildElements(); |
| Iterator innerItr; |
| while (itr.hasNext()) { |
| result = (OMElement) itr.next(); |
| innerItr = result.getChildElements(); |
| title = ((OMElement) innerItr.next()).getText(); |
| summary = ((OMElement) innerItr.next()).getText(); |
| url = ((OMElement) innerItr.next()).getText(); |
| clickUrl = ((OMElement) innerItr.next()).getText(); |
| snippet += "<a href=" + clickUrl + ">" + title + "</a>" + "<br>" + summary + |
| "<br>" + url + "<br>" + "<br>"; |
| } |
| snippet += endHTML; |
| } |
| } |
| |
