01: /*
02: * Copyright 2005-2007 Noelios Consulting.
03: *
04: * The contents of this file are subject to the terms of the Common Development
05: * and Distribution License (the "License"). You may not use this file except in
06: * compliance with the License.
07: *
08: * You can obtain a copy of the license at
09: * http://www.opensource.org/licenses/cddl1.txt See the License for the specific
10: * language governing permissions and limitations under the License.
11: *
12: * When distributing Covered Code, include this CDDL HEADER in each file and
13: * include the License file at http://www.opensource.org/licenses/cddl1.txt If
14: * applicable, add the following below this CDDL HEADER, with the fields
15: * enclosed by brackets "[]" replaced with your own identifying information:
16: * Portions Copyright [yyyy] [name of copyright owner]
17: */
18:
19: package org.restlet.example.book.rest.ch2;
20:
21: import org.restlet.Client;
22: import org.restlet.data.Protocol;
23: import org.restlet.data.Reference;
24: import org.restlet.data.Response;
25: import org.restlet.resource.DomRepresentation;
26: import org.w3c.dom.Node;
27:
28: /**
29: * Searching the web with Yahoo!'s web service using XML.
30: *
31: * @author Jerome Louvel (contact@noelios.com)
32: */
33: public class Example2_1a {
34: static final String BASE_URI = "http://api.search.yahoo.com/WebSearchService/V1/webSearch";
35:
36: public static void main(String[] args) throws Exception {
37: if (args.length != 1) {
38: System.err.println("You need to pass a term to search");
39: } else {
40: // Fetch a resource: an XML document full of search results
41: String term = Reference.encode(args[0]);
42: String uri = BASE_URI + "?appid=restbook&query=" + term;
43: Response response = new Client(Protocol.HTTP).get(uri);
44: DomRepresentation document = response.getEntityAsDom();
45:
46: // Use XPath to find the interesting parts of the data structure
47: String expr = "/ResultSet/Result/Title";
48: for (Node node : document.getNodes(expr)) {
49: System.out.println(node.getTextContent());
50: }
51: }
52: }
53: }
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