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DriverLocator
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org.osgi.service.device</FONT>
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Interface DriverLocator</H2>
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<DT><PRE>public interface <B>DriverLocator</B></DL>
</PRE>
<P>
A Driver Locator service can find and load device driver bundles given a
property set. Each driver is represented by a unique <code>DRIVER_ID</code>.
<p>
Driver Locator services provide the mechanism for dynamically downloading new
device driver bundles into an OSGi environment. They are supplied by
providers and encapsulate all provider-specific details related to the
location and acquisition of driver bundles.
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<DT><B>See Also:</B><DD><A HREF="../../../../org/osgi/service/device/Driver.html" title="interface in org.osgi.service.device"><CODE>Driver</CODE></A></DL>
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<CODE> java.lang.String[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/osgi/service/device/DriverLocator.html#findDrivers(java.util.Dictionary)">findDrivers</A></B>(java.util.Dictionary props)</CODE>
<BR>
Returns an array of <code>DRIVER_ID</code> strings of drivers capable of
attaching to a device with the given properties.</TD>
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<CODE> java.io.InputStream</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/osgi/service/device/DriverLocator.html#loadDriver(java.lang.String)">loadDriver</A></B>(java.lang.String id)</CODE>
<BR>
Get an <code>InputStream</code> from which the driver bundle providing a
driver with the giving <code>DRIVER_ID</code> can be installed.</TD>
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<A NAME="findDrivers(java.util.Dictionary)"><!-- --></A><H3>
findDrivers</H3>
<PRE>
java.lang.String[] <B>findDrivers</B>(java.util.Dictionary props)</PRE>
<DL>
<DD>Returns an array of <code>DRIVER_ID</code> strings of drivers capable of
attaching to a device with the given properties.
<p>
The property keys in the specified <code>Dictionary</code> objects are
case-insensitive.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>props</CODE> - the properties of the device for which a driver is sought
<DT><B>Returns:</B><DD>array of driver <code>DRIVER_ID</code> strings of drivers capable
of attaching to a Device service with the given properties, or
<code>null</code> if this Driver Locator service does not know of
any such drivers</DL>
</DD>
</DL>
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<A NAME="loadDriver(java.lang.String)"><!-- --></A><H3>
loadDriver</H3>
<PRE>
java.io.InputStream <B>loadDriver</B>(java.lang.String id)
throws java.io.IOException</PRE>
<DL>
<DD>Get an <code>InputStream</code> from which the driver bundle providing a
driver with the giving <code>DRIVER_ID</code> can be installed.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>id</CODE> - the <code>DRIVER_ID</code> of the driver that needs to be
installed.
<DT><B>Returns:</B><DD>An <code>InputStream</code> object from which the driver bundle
can be installed or <code>null</code> if the driver with the
given ID cannot be located
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - the input stream for the bundle cannot be
created</DL>
</DD>
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