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| var emailAbstract="This tutorial gives you the building blocks you need to set up and work with the XML Schema Infoset Model. It shows how to set up the development environment, create and load XML Schema models, work with namespaces, and reuse definitions across XML Schema models. This tutorial is the first of a two-part series that introduces you to XML Schema concepts and the XML Schema Infoset model."; |
| var justTitle="XML Schema Infoset Model, Part 1"; |
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| var menu1blurb="Before you start"; |
| var menu2blurb="XML Schema fundamentals"; |
| var menu3blurb="Setting up the development environment"; |
| var menu4blurb="Using XML Schema Infoset Model classes"; |
| var menu5blurb="Working with XML Schema resources in Eclipse"; |
| var menu6blurb="Working with namespaces"; |
| var menu7blurb="You try it!"; |
| var menu8blurb="Summary and resources"; |
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| </table><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr><td><font color="#006699" face="Verdana, sans-serif" size="-1"><a href="http://www.ibm.com/developer/">IBM developerWorks</a> : <a href="http://www.ibm.com/developer/xml/">XML</a> : <a href="http://www-106.ibm.com/developerworks/views/xml/tutorials.jsp">Education - Tutorials</a></font><br><img src="imagemaster/masthead.jpg" alt="XML Schema Infoset Model, Part 1"></td><td width="*" valign="bottom" align="right"><a border="0" href="os-schema1.zip"><img alt="ZIP" border="0" src="../default/i/icon-zip.gif"></a><a border="0" href="os-schema1-ltr.pdf"><img alt="PDF (letter)" border="0" src="../default/i/icon-pdf-ltr.gif"></a><a border="0" href="os-schema1-a4.pdf"><img alt="PDF (A4)" border="0" src="../default/i/icon-pdf-a4.gif"></a><a href="javascript:newWindow()" border="0"><img alt="e-mail" border="0" src="../default/i/icon-email.gif"></a></td></tr><tr><td height="2" colspan="2"><img height="2" width="1" src="../default/i/c.gif"></td></tr></table><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr><td width="150" height="1" bgcolor="#000000" colspan="6"><img alt="" height="1" width="150" src="../default/i/c.gif"></td></tr><tr><td background="../default/i/sw-gold.gif"><a border="0" href="index.html" onMouseOver="iOver('topmain'); iOver('bottommain'); self.status=mainblurb; return true;" onMouseOut="iOut('topmain'); iOut('bottommain'); self.status=''; return true;"><img alt="Main menu" border="0" src="../default/i/main.gif" name="topmain"></a></td><td background="../default/i/sw-gold.gif"><a border="0" onMouseOver="iOver('topsection'); iOver('bottomsection'); self.status=sectionblurb; return true;" onMouseOut="iOut('topsection'); iOut('bottomsection'); self.status=''; return true;" href="index5.html"><img alt="Section menu" border="0" src="../default/i/section.gif" name="topsection"></a></td><td background="../default/i/sw-gold.gif"><a border="0" onMouseOver="iOver('topfeedback'); iOver('bottomfeedback'); self.status=feedbackblurb; return true;" onMouseOut="iOut('topfeedback'); iOut('bottomfeedback'); self.status=''; return true;" href="os-schema1-8-3.html"><img alt="Feedback" border="0" src="../default/i/feedback.gif" name="topfeedback"></a></td><td width="100%" background="../default/i/sw-gold.gif"><img src="../default/i/c.gif"></td><td background="../default/i/sw-gold.gif"><a border="0" onMouseOver="iOver('topprevious'); iOver('bottomprevious'); self.status=previousblurb; return true;" onMouseOut="iOut('topprevious'); iOut('bottomprevious'); self.status=''; return true;" href="os-schema1-5-2.html"><img alt="Previous" border="0" src="../default/i/previous.gif" name="topprevious"></a></td><td background="../default/i/sw-gold.gif"><img border="0" src="../default/i/xnext.gif"></td></tr><tr><td width="100%" colspan="5"></td><td width="108" height="1" bgcolor="#000000" align="right"><img alt="" height="1" width="108" src="../default/i/c.gif"></td></tr><tr><td colspan="5"></td><td align="right"><a border="0" onMouseOver="iOver('topnextsection'); iOver('bottomnextsection'); self.status=nextsectionblurb; return true;" onMouseOut="iOut('topnextsection'); iOut('bottomnextsection'); self.status=''; return true;" href="os-schema1-6-1.html"><img alt="Next Section" src="../default/i/nextsection.gif" border="0" name="topnextsection"></a></td></tr></table><table bgcolor="ffffff" cellspacing="0" cellpadding="2" border="0" height="400" width="100%"><tr valign="bottom"><td height="25" colspan="4"><img border="0" height="25" width="562" src="imagemaster/titlebar5.jpg" alt="5. Working with XML Schema resources in Eclipse"></td></tr><tr><td bgcolor="ffffff" width="15"> </td><td bgcolor="ffffff" width="12"> </td><td valign="top" align="left" bgcolor="ffffff" width="*"><p><br><table cellspacing="0" cellpadding="0" border="0"><tr><td width="90%"><font size="4" face="Verdana, Arial, sans-serif"><b>XSDResourceFactory and XSDResource</b></font></td><td width="200" align="right"><font size="1" face="Verdana, Arial, sans-serif"><nobr> page 3 of 3</nobr></font></td></tr></table><br><br></p><font size="2" face="Verdana, Arial, sans-serif"><p> |
| The Eclipse Modeling Framework loads resources by first |
| tying to find a ResourceFactory based on the file |
| extension of the file being loaded. This is done by |
| first looking in the |
| org.eclipse.emf.ecore.resource.Resource.Factory.Registry, |
| and if the extension is registered, then it uses that |
| ResourceFactory. |
| </p><p> |
| If the extension is not found, then the |
| default ResourceFactory is used. The default is |
| XMIResourceFactory, which clearly would |
| never load XML Schema models because XML Schema is not |
| written in XMI. |
| </p><p> |
| So, what do you do if you want to load a resource that |
| contains an XML Schema model that has an extension other |
| than "xsd"? |
| </p><p> |
| <b>Globally register the extension using either of these methods:</b> |
| <ul><li>org.eclipse.emf.ecore.resource.Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap(). |
| put("myxsd", new |
| org.eclipse.xsd.util.XSDResourceFactoryImpl());</li><li>Add the following extension point in your |
| plugin.xml file |
| <br> |
| <extension point = |
| "org.eclipse.emf.ecore.extension_parser"> |
| <br> |
| <parser type="myxsd" |
| class="org.eclipse.xsd.util.XSDResourceFactoryImpl"/> |
| <br> |
| </extension> |
| </li></ul> |
| </p><p>or</p><p> |
| <b>Locally register the extension using this method:</b> |
| <ul><li> |
| org.eclipse.emf.ecore.resource.ResourceSet |
| resourceSet = new org. |
| eclipse.emf.ecore.resource.impl.ResourceSetImpl(); |
| resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap(). |
| put("myxsd", new |
| org.eclipse.xsd.util.XSDResourceFactoryImpl()); |
| <br> |
| Then use the above resourceSet to load all of |
| your XML Schema files. |
| </li></ul> |
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