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| align="left"><font class="indextop">XML Catalog Tutorial</font> <br> |
| <font class="indexsub">XML Catalog Tutorial</font></td> |
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| <p><b>By Richard Mah</b> <br> |
| Created on December 17, 2004<br> |
| Last updated on March 24, 2008<br> |
| <br> |
| In this tutorial, we will demonstrate the use of the XML Catalog. Add the Example “Editing and |
| validating XML files”. Select File -> New -> Other -> Examples -> Editing and Validating |
| XML files. To demonstrate the XML Catalog, let’s use Invoice.dtd and Invoice.xml located in the |
| XMLExamples project.</p> |
| <ol> |
| <li>Create a new folder “Invoice2” in the project “XMLExamples”.</li> |
| <li>Move Invoice.dtd located in XMLExamples\Invoice\ to the new location XMLExamples\Invoice2.</li> |
| <li>Validate Invoice.xml. See the validating XML tutorial. Notice the validation has generated a |
| warning. This is because Invoice.dtd cannot be found. To fix this problem, we shall add an entry into |
| the XML Catalog (demonstrated below).</li> |
| </ol> |
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| valign="top"><b><font face="Arial,Helvetica"><font color="#ffffff">Adding |
| and Removing from the XML Catalog</font></font></b></td> |
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| The XML Catalog can be accessed through the preferences. |
| <ol> |
| <li>Select “Window -> Preferences” to launch the Preferences dialog.</li> |
| <li>Expand the “XML” heading and select “XML Catalog”.</li> |
| </ol> |
| The dialog should appear as in Figure 1. |
| <p><b>Figure 1</b> <br> |
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| <h4>Adding an XML Catalog Entry</h4> |
| <ol> |
| <li>From the Preferences XML Catalog dialog, select “Add…”.</li> |
| <li>In the “New XML Catalog Entry” dialog, fill in the values as they appear Figure 2. |
| <p><b>Figure 2</b> <br> |
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| src="images/XMLCatalog-Figure2.jpg" |
| alt=""></p> |
| </li> |
| <li>Click “OK” to finish. Notice there is a new entry, InvoiceId, under “User |
| Specified Entries”.</li> |
| <li>Validate Invoice.xml again. Notice it is now valid.</li> |
| </ol> |
| <h4>Removing and Editing an XML Catalog Entry</h4> |
| To remove or edit an entry, simply select the entry and click on “Delete” or |
| “Edit…”. <br> |
| <br> |
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| valign="top"><b><font face="Arial,Helvetica"><font color="#ffffff">Importing |
| and Exporting a Catalog</font></font></b></td> |
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| <br> |
| XML Catalog entries can be saved to a file for later use. This avoids users having to add entries to an XML |
| Catalog when they have already done so in a previous workspace.<br /> |
| <h4>Exporting XML Catalog settings:</h4> |
| <ol> |
| <li>Select “File -> Export...” to launch the Export dialog.</li> |
| <li>Expand the “XML” heading and select “XML Catalog” like in Figure 3.</li> |
| <p><b>Figure 3</b> <br> |
| <img |
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| src="images/XMLCatalog-Figure3.jpg" |
| alt=""></p> |
| <li>The “Export Existing XML Catalog” dialog will appear. See Figure 4. Select the |
| Project “Catalog” (create if ncecessary) as the location to store the XML Catalog settings |
| file. Enter “.xmlcatalog” as the file name. Click “OK” to finish. The entries |
| specified in the XML Catalog will now be saved in the file.</li> |
| </ol> |
| <p><b>Figure 4</b> <br> |
| <img |
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| src="images/XMLCatalog-Figure4.jpg" |
| alt=""></p> |
| <h4>Importing XML Catalog settings:</h4> |
| <ol> |
| <li>Select “File -> Import...” to launch the Import dialog.</li> |
| <li>Expand the “XML” heading and select “XML Catalog” like in Figure 5.</li> |
| <p><b>Figure 5</b> <br> |
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| src="images/XMLCatalog-Figure5.jpg" |
| alt=""></p> |
| <li>The “Import XML Catalog” dialog will appear. See Figure 6. Select the file |
| containing the XML Catalog settings (.xmlcatalog) and click “OK” to finish. The entries |
| specified in the file will now be in the XML Catalog.</li> |
| </ol> |
| <p><b>Figure 6</b> <br> |
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| src="images/XMLCatalog-Figure6.jpg" |
| alt=""></p> |
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