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 <h1 class="topictitle1">Generating XML files from XML schemas</h1>


 <div><p>You can generate an XML file from your XML schema if you want to
 quickly create an XML file based on your XML schema file. Generating an XML
 file from your XML schema saves you time by creating an XML file that is already
 associated with your XML schema, and contains at least some of the elements
 and attributes in your XML schema.</p>

 <div class="section"><p>After you have generated your XML file, you can further customize
 it in the XML editor.</p>
 <p>The following instructions were written for the
 Resource perspective, but they will also work in many other perspectives.</p>
 <p>To
 generate an XML file from a schema file follow these steps:</p>
 </div>

 <ol>
 <li class="stepexpand"><span>In the Navigator view, right-click the XML schema file that you
 want to work with and select <span class="menucascade"><span class="uicontrol">Generate</span>
  &gt; <span class="uicontrol">XML File</span></span>.</span></li>

 <li class="stepexpand"><span>Select a project or folder to contain the XML file and type a name
 for the file in the <span class="uicontrol">File Name</span> field, then click <span class="uicontrol">Next</span>.</span>
  The name of the file must end in <kbd class="userinput">.xml</kbd>.
 </li>

 <li class="stepexpand"><span>Select the <span class="uicontrol">Root element</span> of the XML file.</span>
  The root element of an XML file is the element that contains all other
 elements in that file. All of the global elements you have defined in the
 XML schema will be included in the Root element list. If you do not have any
 global elements in your XML schema, you cannot create an XML file from it.
 </li>

 <li class="stepexpand"><span>Select from the following content options:</span>
 <ul>
 <li><span class="uicontrol">Create optional attributes</span>: both mandatory
 and optional attributes will be generated.</li>

 <li><span class="uicontrol">Create optional elements</span>: both mandatory and
 optional elements will be generated.</li>

 <li><span class="uicontrol">Create first choice of required choice</span>: the
 first option of a required choice will be generated in your XML file.</li>

 <li><span class="uicontrol">Fill elements and attributes with data</span>: any
 elements and attributes generated will be filled with sample data.</li>

 </ul>

  If you do not select any of these options, then only the minimum amount
 of content required for the XML file will be created.</li>

 <li class="stepexpand"><span>The Namespace Information section contains information about the
 target namespace of the XML schema, its prefix, and the schema location. Select
 the entry you want to edit and click <span class="uicontrol">Edit</span>.</span> <ul>
 <li>The value in the <span class="uicontrol">Namespace Name</span> field is the target
 namespace of the XML schema. Your XML file should be associated with the same
 namespace as its XML schema is associated with.</li>

 <li>All qualified elements and attributes in the XML file associated with
 the namespace will be prefixed with the <span class="uicontrol">Prefix</span> value.</li>

 <li>The  <span class="uicontrol">Location Hint</span> field contains the location
 of the XML schema.</li>

 </ul>
 For more information about namespaces and namespace prefixes, refer to
 the related references.</li>

 <li class="stepexpand"><span>Click <span class="uicontrol">OK</span> and then <span class="uicontrol">Finish</span>.</span>
 </li>

 </ol>

 <div class="section"><p>The XML file will contain the selected root element and any elements
 or attributes contained in the root element. It also contains information
 about the XML file namespace and location. You can now add elements and attributes
 to the XML file.</p>
 <div class="note"><span class="notetitle">Note:</span> In certain cases, when an XML file is generated
 from a complex XML schema file, the XML file might not be valid. If this occurs,
 you can open the generated file in the XML editor and correct any errors that
 occur. Usually, only a few errors need to be fixed. The following XML schema
 constructs might present problems:</div>
 <ul>
 <li>Restrictions: sometimes restricted elements are erroneously generated. </li>

 <li>Facets: default generated data values might not conform to complex facets
 (for example, patterns).</li>

 <li>Abstract elements: abstract elements are sometimes erroneously generated.</li>

 </ul>
 </div>

 </div>

 <div><div class="relconcepts"><strong>Related concepts</strong><br />
 <div><a href="../topics/cwxmledt.html" title="The XML editor is a tool for creating and viewing XML files.">XML editor</a></div>
 </div>
 <div class="reltasks"><strong>Related tasks</strong><br />
 <div><a href="../topics/tcretxml.html" title="You can create a new XML file which you can then edit in the XML editor. You create a new XML file that is not associated with a DTD or XML schema file, so there are no restrictions on the kind of content it can contain.">Creating XML files</a></div>
 <div><a href="../topics/tcrexdtd.html" title="You can generate an XML file from your DTD if you want to quickly create an XML file based on your DTD file. Generating an XML file from your DTD saves you time by creating an XML file that is already associated with your DTD, and contains at least some of the elements and attributes in your DTD.">Generating XML files from DTDs</a></div>
 <div><a href="../topics/txedttag.html" title="This file contains information about editing XML files.">Editing XML files</a></div>
 </div>
 <div class="relinfo"><strong>Related information</strong><br />
 <div><a href="../../org.eclipse.wst.xsdeditor.doc.user/topics/rnmspc.html">XML namespaces</a></div>
 </div>
 </div>

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	<meta name="DC.Title" content="Generating XML files from XML schemas" />
	<meta name="abstract" content="You can generate an XML file from your XML schema if you want to quickly create an XML file based on your XML schema file. Generating an XML file from your XML schema saves you time by creating an XML file that is already associated with your XML schema, and contains at least some of the elements and attributes in your XML schema." />
	<meta name="description" content="You can generate an XML file from your XML schema if you want to quickly create an XML file based on your XML schema file. Generating an XML file from your XML schema saves you time by creating an XML file that is already associated with your XML schema, and contains at least some of the elements and attributes in your XML schema." />
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	<title>Generating an XML file from an XML schema</title>
	</head>
	<body id="tcrexxsd"><a name="tcrexxsd"><!-- --></a>


	<h1 class="topictitle1">Generating XML files from XML schemas</h1>




	<div><p>You can generate an XML file from your XML schema if you want to
	quickly create an XML file based on your XML schema file. Generating an XML
	file from your XML schema saves you time by creating an XML file that is already
	associated with your XML schema, and contains at least some of the elements
	and attributes in your XML schema.</p>

	<div class="section"><p>After you have generated your XML file, you can further customize
	it in the XML editor.</p>
	<p>The following instructions were written for the
	Resource perspective, but they will also work in many other perspectives.</p>
	<p>To
	generate an XML file from a schema file follow these steps:</p>
	</div>

	<ol>
	<li class="stepexpand"><span>In the Navigator view, right-click the XML schema file that you
	want to work with and select <span class="menucascade"><span class="uicontrol">Generate</span>
	> <span class="uicontrol">XML File</span></span>.</span></li>

	<li class="stepexpand"><span>Select a project or folder to contain the XML file and type a name
	for the file in the <span class="uicontrol">File Name</span> field, then click <span class="uicontrol">Next</span>.</span>
	The name of the file must end in <kbd class="userinput">.xml</kbd>.
	</li>

	<li class="stepexpand"><span>Select the <span class="uicontrol">Root element</span> of the XML file.</span>
	The root element of an XML file is the element that contains all other
	elements in that file. All of the global elements you have defined in the
	XML schema will be included in the Root element list. If you do not have any
	global elements in your XML schema, you cannot create an XML file from it.
	</li>

	<li class="stepexpand"><span>Select from the following content options:</span>
	<ul>
	<li><span class="uicontrol">Create optional attributes</span>: both mandatory
	and optional attributes will be generated.</li>

	<li><span class="uicontrol">Create optional elements</span>: both mandatory and
	optional elements will be generated.</li>

	<li><span class="uicontrol">Create first choice of required choice</span>: the
	first option of a required choice will be generated in your XML file.</li>

	<li><span class="uicontrol">Fill elements and attributes with data</span>: any
	elements and attributes generated will be filled with sample data.</li>

	</ul>

	If you do not select any of these options, then only the minimum amount
	of content required for the XML file will be created.</li>

	<li class="stepexpand"><span>The Namespace Information section contains information about the
	target namespace of the XML schema, its prefix, and the schema location. Select
	the entry you want to edit and click <span class="uicontrol">Edit</span>.</span> <ul>
	<li>The value in the <span class="uicontrol">Namespace Name</span> field is the target
	namespace of the XML schema. Your XML file should be associated with the same
	namespace as its XML schema is associated with.</li>

	<li>All qualified elements and attributes in the XML file associated with
	the namespace will be prefixed with the <span class="uicontrol">Prefix</span> value.</li>

	<li>The <span class="uicontrol">Location Hint</span> field contains the location
	of the XML schema.</li>

	</ul>
	For more information about namespaces and namespace prefixes, refer to
	the related references.</li>

	<li class="stepexpand"><span>Click <span class="uicontrol">OK</span> and then <span class="uicontrol">Finish</span>.</span>
	</li>

	</ol>

	<div class="section"><p>The XML file will contain the selected root element and any elements
	or attributes contained in the root element. It also contains information
	about the XML file namespace and location. You can now add elements and attributes
	to the XML file.</p>
	<div class="note"><span class="notetitle">Note:</span> In certain cases, when an XML file is generated
	from a complex XML schema file, the XML file might not be valid. If this occurs,
	you can open the generated file in the XML editor and correct any errors that
	occur. Usually, only a few errors need to be fixed. The following XML schema
	constructs might present problems:</div>
	<ul>
	<li>Restrictions: sometimes restricted elements are erroneously generated. </li>

	<li>Facets: default generated data values might not conform to complex facets
	(for example, patterns).</li>

	<li>Abstract elements: abstract elements are sometimes erroneously generated.</li>

	</ul>
	</div>

	</div>

	<div><div class="relconcepts"><strong>Related concepts</strong><br />
	<div><a href="../topics/cwxmledt.html" title="The XML editor is a tool for creating and viewing XML files.">XML editor</a></div>
	</div>
	<div class="reltasks"><strong>Related tasks</strong><br />
	<div><a href="../topics/tcretxml.html" title="You can create a new XML file which you can then edit in the XML editor. You create a new XML file that is not associated with a DTD or XML schema file, so there are no restrictions on the kind of content it can contain.">Creating XML files</a></div>
	<div><a href="../topics/tcrexdtd.html" title="You can generate an XML file from your DTD if you want to quickly create an XML file based on your DTD file. Generating an XML file from your DTD saves you time by creating an XML file that is already associated with your DTD, and contains at least some of the elements and attributes in your DTD.">Generating XML files from DTDs</a></div>
	<div><a href="../topics/txedttag.html" title="This file contains information about editing XML files.">Editing XML files</a></div>
	</div>
	<div class="relinfo"><strong>Related information</strong><br />
	<div><a href="../../org.eclipse.wst.xsdeditor.doc.user/topics/rnmspc.html">XML namespaces</a></div>
	</div>
	</div>

	</body>
	</html>