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version="100" label="Favorites Example"> <category name="Favorites"/> </feature> <category-def name="Favorites" label="Favorites Example"> <description> The Favorites feature includes the Favorites plugin, the Favorites help plugin and the Favorites NLS fragment </description> </category-def> </site>
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The update web site
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Now we are close to seeing what our update site will look like We will copy the files within the update project to our update web site http://comqualityeclipsecom/update
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in the case of our Favorites example
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We will also upload a placeholder for the
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comqualityeclipsefavorites_100jar
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file we defined earlier (eventually,
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we would replace it with a JAR file containing the actual files for our feature) Once the files are uploaded, we can point our web browser at the update site URL The Favorites update site will show the description, categories and features that we defined in the site manifest editor (see Figure 18-24)
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TT 18 Features & Branding
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Figure 18-24 The Favorites Update Site
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Revisiting the feature manifest
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When we first discussed the feature manifest file earlier in this chapter, we skipped over discussing the update and discovery URLs As stated earlier, when the Update Manager is looking for updates to your plug-in, it will look at the sites defined by your update URLs Re-open the feature manifest editor (see Section 1813) and access the Overview page In the Feature URLs section of the editor (see Figure 18-
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25), right click on the Update URLs category and select the New > Update URL command
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Figure 18-25 Feature URLs within the Feature manifest file
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Double click on the newly created New update site entry to open the Properties view (see Figure 18-26) Here we will provide a link to our update site Change the Label to Favorites Example Update Site and specify the URL as http://wwwqualityeclipsecom/update Any time the Favorite feature needs to check for updates, it will search the specified update site
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TT 18 Features & Branding
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Figure 18-26 Property view showing the Update URL
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While we are at it, we can also add a discovery URL to the feature by right clicking on the Discovery URL category and selecting the New > Discovery URL command In the Properties view, enter the Label as Quality Eclipse Web Site and the URL as http://wwwqualityeclipsecom
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Accessing the update site
Once the update site has been established, it can be accessed using the Eclipse Update Manager is a variety of ways Selecting the Help > Software Updates > Manage Configuration command will open the Product Configuration dialog (see Figure 18-27) Expanding the tree on the left will display a list of all of the features loaded in the workspace Clicking on a feature will show the feature details on the right For each feature, several different tasks are available The Disable task can be used to disable the feature causing all of its contributions to disappear from the workspace If the feature has been disabled, this task will be re-
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placed with a matching Enable task The Show Properties task will open a properties dialog showing the version, provider name, license agreement, etc for the feature
Figure 18-27 The Product Configuration dialog
Any feature defining an update URL will also show a Scan for Updates task Clicking on that task will cause the Update Manager to go to the update site and read the site manifest file It will then determine whether any newer updates for the feature are available If any updates are available, they will appear in the Search Results wizard (see Figure 18-28) Clicking the
TT 18 Features & Branding
Next button will switch to the Feature License page displaying the feature s license, which must be accepted before the Finish button will be enabled Clicking the Finish button will install the update into your workspace
Figure 18-28 Update Manager search results
In addition to updating via the Product Configuration dialog, you can also use the Feature Updates wizard, which can be accessed via the Help >
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Software Updates > Find and Install command (see Figure 18-29) Selecting the Search for updates of the currently installed features radio button and clicking the Next button will cause the Update Manager to scan the update sites for all of the installed features and display any available updates in the Search Results wizard we saw earlier