textimagereader.html

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<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="TextImageReader(javax.imageio.spi.ImageReaderSpi)"><!-- --></A><H3>
TextImageReader</H3>
<PRE>
protected <B>TextImageReader</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderSpi.html" title="class or interface in javax.imageio.spi">ImageReaderSpi</A>&nbsp;provider)</PRE>
<DL>
<DD>Constructs a new image reader storing pixels as <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/DataBuffer.html#TYPE_FLOAT" title="class or interface in java.awt.image"><CODE>DataBuffer.TYPE_FLOAT</CODE></A>.
<P>
<DT><B>Parameters:</B><DD><CODE>provider</CODE> - The <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderSpi.html" title="class or interface in javax.imageio.spi"><CODE>ImageReaderSpi</CODE></A> that is invoking this constructor, or
                 .</DL>
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<A NAME="TextImageReader(javax.imageio.spi.ImageReaderSpi, int)"><!-- --></A><H3>
TextImageReader</H3>
<PRE>
protected <B>TextImageReader</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderSpi.html" title="class or interface in javax.imageio.spi">ImageReaderSpi</A>&nbsp;provider,
                          int&nbsp;rawImageType)</PRE>
<DL>
<DD>Constructs a new image reader storing pixels in buffer of the specified type.
<P>
<DT><B>Parameters:</B><DD><CODE>provider</CODE> - The <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderSpi.html" title="class or interface in javax.imageio.spi"><CODE>ImageReaderSpi</CODE></A> that is invoking this constructor, or
                 .<DD><CODE>rawImageType</CODE> - The buffer type. It should be a constant from
        <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/DataBuffer.html" title="class or interface in java.awt.image"><CODE>DataBuffer</CODE></A>. Common types are <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/DataBuffer.html#TYPE_INT" title="class or interface in java.awt.image"><CODE>DataBuffer.TYPE_INT</CODE></A>,
        <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/DataBuffer.html#TYPE_FLOAT" title="class or interface in java.awt.image"><CODE>DataBuffer.TYPE_FLOAT</CODE></A> and <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/DataBuffer.html#TYPE_DOUBLE" title="class or interface in java.awt.image"><CODE>DataBuffer.TYPE_DOUBLE</CODE></A>.</DL>

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<A NAME="getRawDataType(int)"><!-- --></A><H3>
getRawDataType</H3>
<PRE>
public int <B>getRawDataType</B>(int&nbsp;imageIndex)
                   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 the data type which most closely represents the "raw"
 internal data of the image. Default implementation returns the
  argument provided at construction time.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/image/io/SimpleImageReader.html#getRawDataType(int)">getRawDataType</A></CODE> in class <CODE><A HREF="../../../../org/geotools/image/io/SimpleImageReader.html" title="class in org.geotools.image.io">SimpleImageReader</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>imageIndex</CODE> - The index of the image to be queried.
<DT><B>Returns:</B><DD>The data type ( by default).
<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 error occurs reading the format information
         from the input source.</DL>
</DD>
</DL>
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<A NAME="getCharset(java.io.InputStream)"><!-- --></A><H3>
getCharset</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/nio/charset/Charset.html" title="class or interface in java.nio.charset">Charset</A> <B>getCharset</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/InputStream.html" title="class or interface in java.io">InputStream</A>&nbsp;input)
                   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 the character set to uses for decoding the string from the input stream.
 The default implementation returns the character set specified to the <A HREF="../../../../org/geotools/image/io/TextImageReader.Spi.html" title="class in org.geotools.image.io"><CODE>TextImageReader.Spi</CODE></A>
 object given to this  constructor. Subclasses may override
 this method if they want to detect the character encoding in some other way.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>input</CODE> - The input stream.
<DT><B>Returns:</B><DD>The character encoding, or  for the platform default encoding.
<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 reading from the input stream failed.<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/image/io/TextImageReader.Spi.html#charset"><CODE>TextImageReader.Spi.charset</CODE></A></DL>
</DD>
</DL>
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<A NAME="getLineFormat(int)"><!-- --></A><H3>
getLineFormat</H3>
<PRE>
public <A HREF="../../../../org/geotools/io/LineFormat.html" title="class in org.geotools.io">LineFormat</A> <B>getLineFormat</B>(int&nbsp;imageIndex)
                         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 the line format to use for parsing every lines in the input stream. The default
 implementation creates a new <A HREF="../../../../org/geotools/io/LineFormat.html" title="class in org.geotools.io"><CODE>LineFormat</CODE></A> instance using the locale specified by
 <A HREF="../../../../org/geotools/image/io/TextImageReader.Spi.html#locale"><CODE>TextImageReader.Spi.locale</CODE></A>. Subclasses should override this method if they want more constrol
 on the parser to be created.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>imageIndex</CODE> - the index of the image to be queried.
<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 reading from the input stream failed.<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/image/io/TextImageReader.Spi.html#locale"><CODE>TextImageReader.Spi.locale</CODE></A></DL>
</DD>
</DL>
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<A NAME="getPadValue(int)"><!-- --></A><H3>
getPadValue</H3>
<PRE>
public double <B>getPadValue</B>(int&nbsp;imageIndex)
                   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 the pad value for missing data, or <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Double.html#NaN" title="class or interface in java.lang"><CODE>Double.NaN</CODE></A> if none. The pad value will
 applies to all columns except the one for <A HREF="../../../../org/geotools/image/io/TextRecordImageReader.html#getColumnX(int)"><CODE>x</CODE></A> and
 <A HREF="../../../../org/geotools/image/io/TextRecordImageReader.html#getColumnY(int)"><CODE>y</CODE></A> values, if any.
 <p>
 The default implementation returns the pad value specified to the <A HREF="../../../../org/geotools/image/io/TextImageReader.Spi.html" title="class in org.geotools.image.io"><CODE>TextImageReader.Spi</CODE></A> object given
 to this  constructor. Subclasses may override this method if they
 want to detect the pad value in some other way.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>imageIndex</CODE> - the index of the image to be queried.
<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 reading from the input stream failed.<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/image/io/TextImageReader.Spi.html#padValue"><CODE>TextImageReader.Spi.padValue</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getReader()"><!-- --></A><H3>
getReader</H3>
<PRE>
protected final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/BufferedReader.html" title="class or interface in java.io">BufferedReader</A> <B>getReader</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 the <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReader.html#input" title="class or interface in javax.imageio"><CODE>ImageReader.input</CODE></A> as an <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/BufferedReader.html" title="class or interface in java.io"><CODE>BufferedReader</CODE></A> object, if possible. If the input
 is already a buffered reader, it is returned unchanged. Otherwise, this method creates a