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Last modified by Pascal Robert on 2007/09/03 19:36
From version 4.1
edited by Pascal Robert
on 2007/09/03 19:36
Change comment: Migrated to Confluence 4.0
To version 2.1
edited by smmccraw
on 2007/07/08 09:46
Change comment: There is no comment for this version

Summary

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Title
... ... @@ -1,1 +1,1 @@
1 -Web Services-Sending Large Data
1 +Programming__WebObjects-Web Services-Sending Large Data
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.probert
1 +XWiki.smmccraw
Content
... ... @@ -1,348 +1,350 @@
1 -=== Kristoff Cossement ===
1 +=== Kristoff Cossement ===
2 2  
3 3  Soap with mime attachments was indeed the way to go.
4 4  
5 -Remark: this only works with java 1.4.2_09 (I did not get it working with java 1.5.x)
5 +Remark: this only works with java 1.4.2//09 (I did not get it working with java 1.5.x)//
6 6  
7 7  For those who are interested I included some sample code on how to exchange large binary data between a java client and and webobjects server without taking all data in memory.
8 - You also need the java mail and java activation framework from sun.
8 +You also need the java mail and java activation framework from sun.
9 9  
10 -==== Client.java ====
10 +==== Client.java ====
11 11  
12 -{{code}}
12 +{{panel}}
13 13  
14 - import javax.xml.soap.SOAPConnectionFactory;
15 - import javax.xml.soap.*;
16 - import javax.xml.transform.stream.*;
17 - import javax.xml.transform.*;
18 - import java.io.*;
19 - import org.apache.axis.attachments.AttachmentPart;
20 - import org.apache.axis.message.*;
21 - import javax.activation.DataHandler;
22 - import javax.activation.FileDataSource;
23 - import javax.xml.soap.SOAPElement;
24 - import java.util.*;
25 - import javax.mail.*;
14 + import javax.xml.soap.SOAPConnectionFactory;
15 + import javax.xml.soap.*;
16 + import javax.xml.transform.stream.*;
17 + import javax.xml.transform.*;
18 + import java.io.*;
19 + import org.apache.axis.attachments.AttachmentPart;
20 + import org.apache.axis.message.*;
21 + import javax.activation.DataHandler;
22 + import javax.activation.FileDataSource;
23 + import javax.xml.soap.SOAPElement;
24 + import java.util.*;
25 + import javax.mail.*;
26 +
27 + public class Client {
28 +
29 + public static File resize(String sPath)
30 + {
31 + File file = new File(sPath);
32 +
33 +
34 + String endPoint = "http://localhost:55555/cgi-bin/WebObjects/project.woa/ws/FileUpload";
35 + try{
36 + SOAPConnection connection = SOAPConnectionFactory.newInstance().createConnection();
37 + SOAPMessage message = (javax.xml.soap.SOAPMessage)MessageFactory.newInstance().createMessage();
38 + SOAPPart part = message.getSOAPPart();
39 + SOAPEnvelope envelope = (org.apache.axis.message.SOAPEnvelope)part.getEnvelope();
40 + SOAPBody body = (org.apache.axis.message.SOAPBody)envelope.getBody();
41 + SOAPBodyElement operation = (org.apache.axis.message.SOAPBodyElement)body.addBodyElement(
42 + envelope.createName("upload",
43 + "ns",
44 + "http://localhost:55555/cgi-bin/WebObjects/project.woa/ws/FileUpload"));
45 + operation.setEncodingStyle("http://schemas.xmlsoaporg/soap/encoding/");
46 +
47 + DataHandler dh = new DataHandler(new FileDataSource(file));
48 + AttachmentPart attachment = (org.apache.axis.attachments.AttachmentPart)message.createAttachmentPart(dh);
49 + SOAPElement filename = operation.addChildElement("filename","");
50 + SOAPElement source = operation.addChildElement("source","");
51 + message.addAttachmentPart(attachment);
52 + filename.addTextNode(file.getName());
53 + source.addTextNode(attachment.getContentId());
54 +
55 + SOAPMessage result = connection.call(message,endPoint);
56 + System.out.println(result);
57 + part = result.getSOAPPart();
58 + envelope = (org.apache.axis.message.SOAPEnvelope)part.getEnvelope();
59 + body = (org.apache.axis.message.SOAPBody)envelope.getBody();
60 +
61 + if(!body.hasFault())
62 +________{
63 +__________System.out.println("answer_:_"+body);
64 +__
65 +________}
66 +______}
67 +______catch(Exception_e)
68 +______{
69 +________e.printStackTrace();
70 +______}
71 +______return_null;
72 +____}
73 +__
74 +____public_static_void_main(String[]_args)_{
75 +__
76 +______try_{
77 +__
78 +________resize(args[0]);
79 +__
80 +______}
81 +______catch_(Exception_e)_{
82 +________System.out.println(e.getMessage());
83 +______}
84 +____}
85 +__}
26 26  
27 - public class Client {
87 +{{/panel}}
28 28  
29 - public static File resize(String sPath)
30 - {
31 - File file = new File(sPath);
89 +==== Webobjects//Application//.java ====
32 32  
91 +override//dispatchRequest//
33 33  
34 - String endPoint = "http://localhost:55555/cgi-bin/WebObjects/project.woa/ws/FileUpload";
35 - try{
36 - SOAPConnection connection = SOAPConnectionFactory.newInstance().createConnection();
37 - SOAPMessage message = (javax.xml.soap.SOAPMessage)MessageFactory.newInstance().createMessage();
38 - SOAPPart part = message.getSOAPPart();
39 - SOAPEnvelope envelope = (org.apache.axis.message.SOAPEnvelope)part.getEnvelope();
40 - SOAPBody body = (org.apache.axis.message.SOAPBody)envelope.getBody();
41 - SOAPBodyElement operation = (org.apache.axis.message.SOAPBodyElement)body.addBodyElement(
42 - envelope.createName("upload",
43 - "ns",
44 - "http://localhost:55555/cgi-bin/WebObjects/project.woa/ws/FileUpload"));
45 - operation.setEncodingStyle("http://schemas.xmlsoaporg/soap/encoding/");
93 +{{panel}}
46 46  
47 - DataHandler dh = new DataHandler(new FileDataSource(file));
48 - AttachmentPart attachment = (org.apache.axis.attachments.AttachmentPart)message.createAttachmentPart(dh);
49 - SOAPElement filename = operation.addChildElement("filename","");
50 - SOAPElement source = operation.addChildElement("source","");
51 - message.addAttachmentPart(attachment);
52 - filename.addTextNode(file.getName());
53 - source.addTextNode(attachment.getContentId());
95 +__public_WOResponse_dispatchRequest(WORequest_request)
96 +__{
97 +____WOResponse_result_=_null;
98 +____String_sURI_=_request.uri();
99 +____NSLog.debug.appendln("Accessing_"_+_sURI);
100 +__
101 +____Pattern_p_=_Pattern.compile("/ws/FileUpload");
102 +____Matcher_m_=_p.matcher(sURI);
103 +____if(m.find())
104 +____{
105 +______String_sContType_=_request.headerForKey("content-type");
106 +______p_=_Pattern.compile("multipart/related");
107 +______m_=_p.matcher(sContType);
108 +______if(m.find())
109 +______{
110 +________result_=_Dispatcher.handleFileUpload(request);
111 +______}
112 +______else
113 +______{
114 +________result_=_super.dispatchRequest(request);
115 +______}
116 +____}
117 +____else
118 +____{
119 +______result_=_super.dispatchRequest(request);
120 +____}
121 +__
122 +____return_result;
123 +__
124 +__}
54 54  
55 - SOAPMessage result = connection.call(message,endPoint);
56 - System.out.println(result);
57 - part = result.getSOAPPart();
58 - envelope = (org.apache.axis.message.SOAPEnvelope)part.getEnvelope();
59 - body = (org.apache.axis.message.SOAPBody)envelope.getBody();
126 +{{/panel}}
60 60  
61 - if(!body.hasFault())
62 - {
63 - System.out.println("answer : "+body);
128 +==== Dispatcher.java ====
64 64  
65 - }
66 - }
67 - catch(Exception e)
68 - {
69 - e.printStackTrace();
70 - }
71 - return null;
72 - }
130 +{{panel}}
73 73  
74 - public static void main(String[] args) {
132 +__//
133 +__//_Dispatcher.java
134 +__//_project
135 +__//
136 +__//_Created_by_admin_on_5/5/06.
137 +__//_Copyright_2006___MyCompanyName__._All_rights_reserved.
138 +__//
139 +__import_com.webobjects.foundation.*;
140 +__import_com.webobjects.appserver.*;
141 +__import_com.webobjects.eocontrol.*;
142 +__
143 +__import_java.io.*;
144 +__import_java.util.regex.*;
145 +__import_org.w3c.dom.*;
146 +__import_javax.xml.transform.*;
147 +__import_javax.xml.transform.stream.*;
148 +__import_javax.xml.transform.dom.*;
149 +__import_javax.xml.parsers.*;
150 +__import_org.apache.axis.attachments.*;
151 +__
152 +__
153 +__public_class_Dispatcher_{
154 +__
155 +____public_static_WOResponse_handleFileUpload(WORequest_request)
156 +____{
157 +______String_sContType_=_request.headerForKey("content-type");
158 +______String_sSoapXml_=_"";
159 +______InputStream_requestStream_=_request.contentInputStream();
160 +__
161 +______String_sTempDir_=_System.getProperty("java.io.tmpdir");
162 +______String_timestamp_=(new_Long(System.currentTimeMillis())).toString();
163 +______File_fTempFile_=_new_File(sTempDir+"/"+timestamp);
164 +______File_fSavedFile_=_new_File(sTempDir+"/"+timestamp+".out");
165 +__
166 +______try
167 +______{
168 +________BufferedOutputStream_fOut_=_new_BufferedOutputStream(new_FileOutputStream(fTempFile));
169 +________byte[)_buffer_=_new_byte(32_*_1024];
170 +________int_bytesRead_=_0;
171 +________while_((bytesRead_=_requestStream.read(buffer))_!= -1)
172 + {
173 + fOut.write(buffer, 0, bytesRead);
174 + }
175 + fOut.close();
176 + }
177 + catch (Exception e)
178 + {
179 + NSLog.debug.appendln(e.getMessage());
180 + }
181 +
182 + try
183 + {
184 + InputStream iStream = new FileInputStream(fTempFile);
185 +
186 + MultiPartRelatedInputStream mis = new MultiPartRelatedInputStream(sContType,iStream);
187 + DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
188 + Document doc = factory.newDocumentBuilder().parse(mis);
189 + sSoapXml = toString(doc);
190 + NSLog.debug.appendln("SOAP Envelope: " + sSoapXml);
191 + mis.close();
192 + iStream.close();
193 +
194 + Node nEnvelope = getNamedChildNode(doc,"Envelope");
195 + if(null !=_nEnvelope)
196 +________{
197 +__________Node_nBody_=_getNamedChildNode(nEnvelope,"Body");
198 +__________if(null_!= nBody)
199 + {
200 + NSArray nSubNodes = getElementChildNodes(nBody);
201 + if((null !=_nSubNodes)_&&_(nSubNodes.count()_>_0))
202 +____________{
203 +______________Node_nFileUpload_=_(Node)nSubNodes.get(0);
204 +______________nSubNodes_=_getElementChildNodes(nFileUpload);
205 +______________if((null_!= nSubNodes) && (nSubNodes.count() > 1))
206 + {
207 + Node nFileName = (Node)nSubNodes.get(0);
208 + Node nData = (Node)nSubNodes.get(1);
209 +
210 + String sFileName = getTextFromNode(nFileName);
211 + String sFileMimeID = getTextFromNode(nData);
212 +
213 + fSavedFile = new File(sTempDir+"/"+sFileName);
214 +
215 + Pattern pattern = Pattern.compile("(boundary=\".+?\")");
216 + Matcher match = pattern.matcher(sContType);
217 + if(match.find())
218 + {
219 + String boundary= match.group(1);
220 + String sSubContentType = "multipart/related; type=\"text/xml\"; start=\"<"+sFileMimeID+">\"; "+boundary;
221 + iStream = new FileInputStream(fTempFile);
222 + mis = new MultiPartRelatedInputStream(sSubContentType,iStream);
223 + try
224 + {
225 + BufferedOutputStream fOut = new BufferedOutputStream(new FileOutputStream(fSavedFile));
226 + byte[) buffer = new byte(32 * 1024];
227 + int bytesRead = 0;
228 + while ((bytesRead = mis.read(buffer)) !=_-1)
229 +____________________{
230 +______________________fOut.write(buffer,_0,_bytesRead);
231 +____________________}
232 +____________________mis.close();
233 +____________________fOut.close();
234 +__________________}
235 +__________________catch_(Exception_e)
236 +__________________{
237 +____________________System.out.println(e.getMessage());
238 +____________________//throw_new_IOException(me_+_"_failed,_got:_"_+_e.toString());
239 +__________________}
240 +________________}
241 +______________}
242 +____________}__
243 +__________}
244 +________}
245 +______}
246 +______catch(Exception_e)
247 +______{
248 +________e.printStackTrace();
249 +______}
250 +__
251 +__
252 +______WOResponse_result_=_new_WOResponse();
253 +______result.setContent(_"<?xml_version="1.0"_encoding="UTF-8"?>n"+
254 +__________"<soapenv:Envelope_xmlns:soapenv="http://schemas.xmlsoaporg/soap/envelope/"_xmlns:xsd="http://www.w3.org/2001/XMLSchema"_xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">n"+
255 +__________"<soapenv:Body>n"+
256 +__________"<ns:uploadResponse_soapenv:encodingStyle="http://schemas.xmlsoaporg/soap/encoding/"_xmlns:ns="http://localhost:55555/cgi-bin/WebObjects/project.woa/ws/FileUpload">n"+
257 +__________"<ns:uploadReturn_xsi:type="xsd:boolean">true</ns:uploadReturn>n"+
258 +__________"</ns:uploadResponse>n"+
259 +__________"</soapenv:Body>n"+
260 +__________"</soapenv:Envelope>");
261 +__
262 +__
263 +______result.setHeader("text/xml;_charset=utf-8","content-type");
264 +__
265 +__
266 +______return_result;
267 +__
268 +____}
269 +__
270 +__
271 +____static_public_String_toString(Document_document)_{
272 +______String_result_=_null;
273 +__
274 +______if_(document_!= null) {
275 + StringWriter strWtr = new StringWriter();
276 + StreamResult strResult = new StreamResult(strWtr);
277 + TransformerFactory tfac = TransformerFactory.newInstance();
278 + try {
279 + Transformer t = tfac.newTransformer();
280 + t.setOutputProperty(OutputKeys.ENCODING, "utf-8");
281 + t.setOutputProperty(OutputKeys.INDENT, "yes");
282 + t.setOutputProperty(OutputKeys.METHOD, "xml"); //xml, html, text
283 + t.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
284 + t.transform(new DOMSource(document.getDocumentElement()), strResult);
285 + } catch (Exception e) {
286 + System.err.println("XML.toString(Document): " + e);
287 + }
288 + result = strResult.getWriter().toString();
289 + }
290 +
291 + return result;
292 + }
293 +
294 + static public Node getNamedChildNode(Node n, String sChildNodeName)
295 + {
296 +
297 + NodeList nl = n.getChildNodes();
298 +
299 + for(int i=0;i<nl.getLength();i++)
300 + {
301 + Node s = nl.item(i);
302 + String sChild = s.getNodeName();
303 + if(sChildNodeName.equalsIgnoreCase(sChild) || sChild.endsWith(":"+sChildNodeName))
304 + {
305 + NSLog.debug.appendln("childnode = " + s.getNodeName());
306 + return s;
307 + }
308 + }
309 +
310 + return null;
311 +
312 + }
313 + static public NSArray getElementChildNodes(Node n)
314 + {
315 + NSMutableArray elements = new NSMutableArray();
316 + NodeList nl = n.getChildNodes();
317 +
318 + for(int i=0;i<nl.getLength();i++)
319 + {
320 + Node s = nl.item(i);
321 + if(s.getNodeType() == Node.ELEMENT_NODE)
322 + {
323 + NSLog.debug.appendln("childnode = " + s.getNodeName());
324 + elements.addObject(s);
325 + }
326 + }
327 +
328 + return elements;
329 + }
330 + static public String getTextFromNode(Node n)
331 + {
332 + String text = "";
333 +
334 + NodeList nl = n.getChildNodes();
335 +
336 + for(int i=0;i<nl.getLength();i++)
337 + {
338 + Node s = nl.item(i);
339 + if(s.getNodeType() == Node.TEXT_NODE)
340 + {
341 + return s.getNodeValue();
342 + }
343 + }
344 + return text;
345 + }
346 + }
75 75  
76 - try {
348 +{{/panel}}
77 77  
78 - resize(args[0]);
79 -
80 - }
81 - catch (Exception e) {
82 - System.out.println(e.getMessage());
83 - }
84 - }
85 - }
86 -
87 -{{/code}}
88 -
89 -===== Webobjects Application .java =====
90 -
91 -override dispatchRequest
92 -
93 -{{code}}
94 -
95 -  public WOResponse dispatchRequest(WORequest request)
96 - {
97 - WOResponse result = null;
98 - String sURI = request.uri();
99 - NSLog.debug.appendln("Accessing " + sURI);
100 -
101 - Pattern p = Pattern.compile("/ws/FileUpload");
102 - Matcher m = p.matcher(sURI);
103 - if(m.find())
104 - {
105 - String sContType = request.headerForKey("content-type");
106 - p = Pattern.compile("multipart/related");
107 - m = p.matcher(sContType);
108 - if(m.find())
109 - {
110 - result = Dispatcher.handleFileUpload(request);
111 - }
112 - else
113 - {
114 - result = super.dispatchRequest(request);
115 - }
116 - }
117 - else
118 - {
119 - result = super.dispatchRequest(request);
120 - }
121 -
122 - return result;
123 -
124 - }
125 -
126 -{{/code}}
127 -
128 -===== Dispatcher.java =====
129 -
130 -{{code}}
131 -
132 -  //
133 - // Dispatcher.java
134 - // project
135 - //
136 - // Created by admin on 5/5/06.
137 - // Copyright 2006 __MyCompanyName__. All rights reserved.
138 - //
139 - import com.webobjects.foundation.*;
140 - import com.webobjects.appserver.*;
141 - import com.webobjects.eocontrol.*;
142 -
143 - import java.io.*;
144 - import java.util.regex.*;
145 - import org.w3c.dom.*;
146 - import javax.xml.transform.*;
147 - import javax.xml.transform.stream.*;
148 - import javax.xml.transform.dom.*;
149 - import javax.xml.parsers.*;
150 - import org.apache.axis.attachments.*;
151 -
152 -
153 - public class Dispatcher {
154 -
155 - public static WOResponse handleFileUpload(WORequest request)
156 - {
157 - String sContType = request.headerForKey("content-type");
158 - String sSoapXml = "";
159 - InputStream requestStream = request.contentInputStream();
160 -
161 - String sTempDir = System.getProperty("java.io.tmpdir");
162 - String timestamp =(new Long(System.currentTimeMillis())).toString();
163 - File fTempFile = new File(sTempDir+"/"+timestamp);
164 - File fSavedFile = new File(sTempDir+"/"+timestamp+".out");
165 -
166 - try
167 - {
168 - BufferedOutputStream fOut = new BufferedOutputStream(new FileOutputStream(fTempFile));
169 - byte[] buffer = new byte[32 * 1024];
170 - int bytesRead = 0;
171 - while ((bytesRead = requestStream.read(buffer)) != -1)
172 - {
173 - fOut.write(buffer, 0, bytesRead);
174 - }
175 - fOut.close();
176 - }
177 - catch (Exception e)
178 - {
179 - NSLog.debug.appendln(e.getMessage());
180 - }
181 -
182 - try
183 - {
184 - InputStream iStream = new FileInputStream(fTempFile);
185 -
186 - MultiPartRelatedInputStream mis = new MultiPartRelatedInputStream(sContType,iStream);
187 - DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
188 - Document doc = factory.newDocumentBuilder().parse(mis);
189 - sSoapXml = toString(doc);
190 - NSLog.debug.appendln("SOAP Envelope: " + sSoapXml);
191 - mis.close();
192 - iStream.close();
193 -
194 - Node nEnvelope = getNamedChildNode(doc,"Envelope");
195 - if(null != nEnvelope)
196 - {
197 - Node nBody = getNamedChildNode(nEnvelope,"Body");
198 - if(null != nBody)
199 - {
200 - NSArray nSubNodes = getElementChildNodes(nBody);
201 - if((null != nSubNodes) && (nSubNodes.count() > 0))
202 - {
203 - Node nFileUpload = (Node)nSubNodes.get(0);
204 - nSubNodes = getElementChildNodes(nFileUpload);
205 - if((null != nSubNodes) && (nSubNodes.count() > 1))
206 - {
207 - Node nFileName = (Node)nSubNodes.get(0);
208 - Node nData = (Node)nSubNodes.get(1);
209 -
210 - String sFileName = getTextFromNode(nFileName);
211 - String sFileMimeID = getTextFromNode(nData);
212 -
213 - fSavedFile = new File(sTempDir+"/"+sFileName);
214 -
215 - Pattern pattern = Pattern.compile("(boundary=\".+?\")");
216 - Matcher match = pattern.matcher(sContType);
217 - if(match.find())
218 - {
219 - String boundary= match.group(1);
220 - String sSubContentType = "multipart/related; type=\"text/xml\"; start=\"<"+sFileMimeID+">\"; "+boundary;
221 - iStream = new FileInputStream(fTempFile);
222 - mis = new MultiPartRelatedInputStream(sSubContentType,iStream);
223 - try
224 - {
225 - BufferedOutputStream fOut = new BufferedOutputStream(new FileOutputStream(fSavedFile));
226 - byte[] buffer = new byte[32 * 1024];
227 - int bytesRead = 0;
228 - while ((bytesRead = mis.read(buffer)) != -1)
229 - {
230 - fOut.write(buffer, 0, bytesRead);
231 - }
232 - mis.close();
233 - fOut.close();
234 - }
235 - catch (Exception e)
236 - {
237 - System.out.println(e.getMessage());
238 - //throw new IOException(me + " failed, got: " + e.toString());
239 - }
240 - }
241 - }
242 - }
243 - }
244 - }
245 - }
246 - catch(Exception e)
247 - {
248 - e.printStackTrace();
249 - }
250 -
251 -
252 - WOResponse result = new WOResponse();
253 - result.setContent( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"+
254 - "<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoaporg/soap/envelope/\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n"+
255 - "<soapenv:Body>\n"+
256 - "<ns:uploadResponse soapenv:encodingStyle=\"http://schemas.xmlsoaporg/soap/encoding/\" xmlns:ns=\"http://localhost:55555/cgi-bin/WebObjects/project.woa/ws/FileUpload\">\n"+
257 - "<ns:uploadReturn xsi:type=\"xsd:boolean\">true</ns:uploadReturn>\n"+
258 - "</ns:uploadResponse>\n"+
259 - "</soapenv:Body>\n"+
260 - "</soapenv:Envelope>");
261 -
262 -
263 - result.setHeader("text/xml; charset=utf-8","content-type");
264 -
265 -
266 - return result;
267 -
268 - }
269 -
270 -
271 - static public String toString(Document document) {
272 - String result = null;
273 -
274 - if (document != null) {
275 - StringWriter strWtr = new StringWriter();
276 - StreamResult strResult = new StreamResult(strWtr);
277 - TransformerFactory tfac = TransformerFactory.newInstance();
278 - try {
279 - Transformer t = tfac.newTransformer();
280 - t.setOutputProperty(OutputKeys.ENCODING, "utf-8");
281 - t.setOutputProperty(OutputKeys.INDENT, "yes");
282 - t.setOutputProperty(OutputKeys.METHOD, "xml"); //xml, html, text
283 - t.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
284 - t.transform(new DOMSource(document.getDocumentElement()), strResult);
285 - } catch (Exception e) {
286 - System.err.println("XML.toString(Document): " + e);
287 - }
288 - result = strResult.getWriter().toString();
289 - }
290 -
291 - return result;
292 - }
293 -
294 - static public Node getNamedChildNode(Node n, String sChildNodeName)
295 - {
296 -
297 - NodeList nl = n.getChildNodes();
298 -
299 - for(int i=0;i<nl.getLength();i++)
300 - {
301 - Node s = nl.item(i);
302 - String sChild = s.getNodeName();
303 - if(sChildNodeName.equalsIgnoreCase(sChild) || sChild.endsWith(":"+sChildNodeName))
304 - {
305 - NSLog.debug.appendln("childnode = " + s.getNodeName());
306 - return s;
307 - }
308 - }
309 -
310 - return null;
311 -
312 - }
313 - static public NSArray getElementChildNodes(Node n)
314 - {
315 - NSMutableArray elements = new NSMutableArray();
316 - NodeList nl = n.getChildNodes();
317 -
318 - for(int i=0;i<nl.getLength();i++)
319 - {
320 - Node s = nl.item(i);
321 - if(s.getNodeType() == Node.ELEMENT_NODE)
322 - {
323 - NSLog.debug.appendln("childnode = " + s.getNodeName());
324 - elements.addObject(s);
325 - }
326 - }
327 -
328 - return elements;
329 - }
330 - static public String getTextFromNode(Node n)
331 - {
332 - String text = "";
333 -
334 - NodeList nl = n.getChildNodes();
335 -
336 - for(int i=0;i<nl.getLength();i++)
337 - {
338 - Node s = nl.item(i);
339 - if(s.getNodeType() == Node.TEXT_NODE)
340 - {
341 - return s.getNodeValue();
342 - }
343 - }
344 - return text;
345 - }
346 - }
347 -
348 -{{/code}}
350 +Category:WebObjects