rawbinaryimagereader.spi.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

<A NAME="RawBinaryImageReader.Spi()"><!-- --></A><H3>
RawBinaryImageReader.Spi</H3>
<PRE>
public <B>RawBinaryImageReader.Spi</B>()</PRE>
<DL>
<DD>Construct a new SPI with name "raw" and MIME type "image/raw".
<P>
</DL>
<HR>

<A NAME="RawBinaryImageReader.Spi(java.lang.String, java.lang.String)"><!-- --></A><H3>
RawBinaryImageReader.Spi</H3>
<PRE>
public <B>RawBinaryImageReader.Spi</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name,
                                <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;mime)</PRE>
<DL>
<DD>Construct a new SPI for <A HREF="../../../../org/geotools/image/io/RawBinaryImageReader.html" title="class in org.geotools.image.io"><CODE>RawBinaryImageReader</CODE></A>. This
 constructor initialize the following fields to default
 values:

 <ul>
   <li>Image format names (<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderWriterSpi.html#names" title="class or interface in javax.imageio.spi"><CODE>ImageReaderWriterSpi.names</CODE></A>):
       An array of lenght 1 containing the <code>name</code> argument.

   <li>MIME type (<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderWriterSpi.html#MIMETypes" title="class or interface in javax.imageio.spi"><CODE>ImageReaderWriterSpi.MIMETypes</CODE></A>):
       An array of length 1 containing the <code>mime</code> argument.

   <li>File suffixes (<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderWriterSpi.html#suffixes" title="class or interface in javax.imageio.spi"><CODE>ImageReaderWriterSpi.suffixes</CODE></A>):
       "<code>.raw</code>"
       (uppercase and lowercase).</li>

   <li>Input types (<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderSpi.html#inputTypes" title="class or interface in javax.imageio.spi"><CODE>ImageReaderSpi.inputTypes</CODE></A>):
       <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/stream/ImageInputStream.html" title="class or interface in javax.imageio.stream"><CODE>ImageInputStream</CODE></A>.</li>
 </ul>
<P>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - Format name, or <code>null</code> to let <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderWriterSpi.html#names" title="class or interface in javax.imageio.spi"><CODE>ImageReaderWriterSpi.names</CODE></A> unset.<DD><CODE>mime</CODE> - MIME type, or <code>null</code> to let <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderWriterSpi.html#MIMETypes" title="class or interface in javax.imageio.spi"><CODE>ImageReaderWriterSpi.MIMETypes</CODE></A> unset.</DL>

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<A NAME="getDescription(java.util.Locale)"><!-- --></A><H3>
getDescription</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getDescription</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Locale.html" title="class or interface in java.util">Locale</A>&nbsp;locale)</PRE>
<DL>
<DD>Returns a brief, human-readable description of this service provider
 and its associated implementation. The resulting string should be
 localized for the supplied locale, if possible.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>locale</CODE> - A Locale for which the return value should be localized.
<DT><B>Returns:</B><DD>A String containing a description of this service provider.</DL>
</DD>
</DL>
<HR>

<A NAME="canDecodeInput(java.lang.Object)"><!-- --></A><H3>
canDecodeInput</H3>
<PRE>
public boolean <B>canDecodeInput</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;source)
                       throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns <code>false</code>, since "raw" format can
 potentially attempt to read nearly any stream.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>source</CODE> - The input source to be decoded.
<DT><B>Returns:</B><DD><code>false</code> in order to avoid being
         invoked in preference to a closer match.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs while reading the stream.</DL>
</DD>
</DL>
<HR>

<A NAME="createReaderInstance()"><!-- --></A><H3>
createReaderInstance</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReader.html" title="class or interface in javax.imageio">ImageReader</A> <B>createReaderInstance</B>()
                                 throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns an instance of the image reader implementation associated
 with this service provider. The default implementation returns a new
 <A HREF="../../../../org/geotools/image/io/RawBinaryImageReader.html" title="class in org.geotools.image.io"><CODE>RawBinaryImageReader</CODE></A> instance. Subclasses should override this
 method instead of <A HREF="../../../../org/geotools/image/io/RawBinaryImageReader.Spi.html#createReaderInstance(java.lang.Object)"><CODE>createReaderInstance(Object)</CODE></A> for constructing
 <A HREF="../../../../org/geotools/image/io/RawBinaryImageReader.html" title="class in org.geotools.image.io"><CODE>RawBinaryImageReader</CODE></A> subclass.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>An image reader instance.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if the attempt to instantiate the reader fails.</DL>
</DD>
</DL>
<HR>

<A NAME="createReaderInstance(java.lang.Object)"><!-- --></A><H3>
createReaderInstance</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReader.html" title="class or interface in javax.imageio">ImageReader</A> <B>createReaderInstance</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;extension)
                                 throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns an instance of the ImageReader implementation associated
 with this service provider. The optional <code>extension</code>
 argument may be one of the following classes:

 <ul>
   <li><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/Dimension.html" title="class or interface in java.awt"><CODE>Dimension</CODE></A> for specifying the image size.</li>
 </ul>

 The default implementation call <A HREF="../../../../org/geotools/image/io/RawBinaryImageReader.Spi.html#createReaderInstance()"><CODE>createReaderInstance()</CODE></A>
 and set the resulting object's internal fields according the
 <code>extension</code> argument.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>extension</CODE> - An optional extension object, which may be null.
<DT><B>Returns:</B><DD>An image reader instance.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if the attempt to instantiate the reader fails.</DL>
</DD>
</DL>
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