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<h2 title="Interface PreferencesService" class="title">Interface PreferencesService</h2>
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<pre>public interface <span class="typeNameLabel">PreferencesService</span></pre>
<div class="block">The Preferences Service.
<p>
Each bundle using this service has its own set of preference trees: one for
system preferences, and one for each user.
<p>
A <code>PreferencesService</code> object is specific to the bundle which obtained
it from the service registry. If a bundle wishes to allow another bundle to
access its preferences, it should pass its <code>PreferencesService</code> object
to that bundle.</div>
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<td class="colFirst"><code><a href="../../../../org/osgi/service/prefs/Preferences.html" title="interface in org.osgi.service.prefs">Preferences</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/osgi/service/prefs/PreferencesService.html#getSystemPreferences--">getSystemPreferences</a></span>()</code>
<div class="block">Returns the root system node for the calling bundle.</div>
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<td class="colFirst"><code><a href="../../../../org/osgi/service/prefs/Preferences.html" title="interface in org.osgi.service.prefs">Preferences</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/osgi/service/prefs/PreferencesService.html#getUserPreferences-java.lang.String-">getUserPreferences</a></span>(java.lang.String name)</code>
<div class="block">Returns the root node for the specified user and the calling bundle.</div>
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<td class="colFirst"><code>java.lang.String[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/osgi/service/prefs/PreferencesService.html#getUsers--">getUsers</a></span>()</code>
<div class="block">Returns the names of users for which node trees exist.</div>
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<h4>getSystemPreferences</h4>
<pre><a href="../../../../org/osgi/service/prefs/Preferences.html" title="interface in org.osgi.service.prefs">Preferences</a> getSystemPreferences()</pre>
<div class="block">Returns the root system node for the calling bundle.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>The root system node for the calling bundle.</dd>
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<h4>getUserPreferences</h4>
<pre><a href="../../../../org/osgi/service/prefs/Preferences.html" title="interface in org.osgi.service.prefs">Preferences</a> getUserPreferences(java.lang.String name)</pre>
<div class="block">Returns the root node for the specified user and the calling bundle.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - The user for which to return the preference root node.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The root node for the specified user and the calling bundle.</dd>
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<h4>getUsers</h4>
<pre>java.lang.String[] getUsers()</pre>
<div class="block">Returns the names of users for which node trees exist.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>The names of users for which node trees exist.</dd>
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