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1
21
22 package nu.xom.samples;
23
24 import java.io.IOException  ;
25 import java.io.InputStream ;
26 import java.io.OutputStream ;
27 import java.net.HttpURLConnection ;
28 import java.net.URL ;
29 import java.net.URLConnection ;
30
31 import nu.xom.Attribute;
32 import nu.xom.Builder;
33 import nu.xom.Document;
34 import nu.xom.Element;
35 import nu.xom.Elements;
36 import nu.xom.ParsingException;
37 import nu.xom.Serializer;
38
39
52 public class FibonacciSOAPClient {
53
54 public final static String defaultServer
55 = "http://www.elharo.com/fibonacci/SOAP";
56 public final static String SOAP_ACTION
57 = "http://www.example.com/fibonacci";
58
59 public static void main(String [] args) {
60
61 if (args.length == 0) {
62 System.out.println(
63 "Usage: java nu.xom.samples.FibonacciSOAPClient index serverURL"
64 );
65 return;
66 }
67
68 String index = args[0];
69
70 String server;
71 if (args.length <= 1) server = defaultServer;
72 else server = args[1];
73
74 Document request = buildRequest(index);
75
76 try {
77 URL u = new URL (server);
78 URLConnection uc = u.openConnection();
79 HttpURLConnection connection = (HttpURLConnection ) uc;
80 connection.setDoOutput(true);
81 connection.setDoInput(true);
82 connection.setRequestMethod("POST");
83 connection.setRequestProperty("SOAPAction", SOAP_ACTION);
84
85 OutputStream out = connection.getOutputStream();
86 Serializer serializer = new Serializer(out, "US-ASCII");
87 serializer.write(request);
88 serializer.flush();
89
90 InputStream in = connection.getInputStream();
91
92 Builder parser = new Builder();
93 Document response = parser.build(in);
94 in.close();
95 out.close();
96 connection.disconnect();
97
98
120
121 Element responseEnvelope = response.getRootElement();
122 Element responseBody = responseEnvelope.getFirstChildElement("Body",
123 "http://schemas.xmlsoap.org/soap/envelope/");
124
125 Element fault = responseBody.getFirstChildElement(
127 "Fault", "http://schemas.xmlsoap.org/soap/envelope/");
128 if (fault == null) { Element responseNumbers = responseBody.getFirstChildElement(
130 "Fibonacci_Numbers", "http://namespaces.cafeconleche.org/xmljava/ch3/");
131 Elements results = responseNumbers.getChildElements("fibonacci",
132 "http://namespaces.cafeconleche.org/xmljava/ch3/");
133 for (int i = 0; i < results.size(); i++) {
134 System.out.println(results.get(i).getValue());
135 }
136 }
137 else {
138 handleFault(fault);
139 }
140
141 }
142 catch (ParsingException ex) {
143 System.err.println("Server sent malformed output");
144 System.err.println(ex);
145 }
146 catch (NullPointerException ex) {
147 System.err.println(
148 "Server sent invalid output without the expected content."
149 );
150 System.err.println(ex);
151 }
152 catch (IOException ex) {
153 System.err.println(ex);
154 ex.printStackTrace();
155 }
156
157 }
158
159 private static void handleFault(Element fault) {
160
161 Element faultcode = fault.getFirstChildElement("faultcode");
162 Element faultstring = fault.getFirstChildElement("faultstring");
163 Element faultactor = fault.getFirstChildElement("faultactor");
164 Element detail = fault.getFirstChildElement("detail");
165
166 String error = "Fault: \n";
167 if (faultcode != null) {
168 error += "Fault code: " + faultcode.getValue() + "\n";
169 }
170 if (faultstring != null) {
171 error += "Fault string: " + faultstring.getValue() + "\n";
172 }
173 if (faultactor != null) {
174 error += "Fault actor: " + faultactor.getValue() + "\n";
175 }
176 if (detail != null) {
177 error += "Details: " + detail.getValue() + "\n";
178 }
179
180 }
181
182 public static Document buildRequest(String index) {
183
184 String SOAPNamespace = "http://schemas.xmlsoap.org/soap/envelope/";
185 Element envelope = new Element("SOAP-ENV:Envelope",
186 SOAPNamespace);
187 Element body = new Element("SOAP-ENV:Body",
188 SOAPNamespace);
189 Element calculateFibonacci = new Element("calculateFibonacci",
190 "http://namespaces.cafeconleche.org/xmljava/ch3/");
191 calculateFibonacci.appendChild(index);
192 calculateFibonacci.addNamespaceDeclaration("xsi",
193 "http://www.w3.org/2001/XMLSchema-instance");
194 Attribute type = new Attribute("type", "xsi:positiveInteger");
195 calculateFibonacci.addAttribute(type);
196
197 envelope.appendChild(body);
198 body.appendChild(calculateFibonacci);
199
200 Document doc = new Document(envelope);
201 return doc;
202
203 }
204
205 } |
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