filterfilter.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

<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/ContentHandler.html#startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)" title="class or interface in org.xml.sax">startElement</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/ContentHandler.html" title="class or interface in org.xml.sax">ContentHandler</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>namespaceURI</CODE> - The namespace of the element.<DD><CODE>localName</CODE> - The local name of the element.<DD><CODE>qName</CODE> - The full name of the element, including namespace prefix.<DD><CODE>atts</CODE> - The element attributes.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/SAXException.html" title="class or interface in org.xml.sax">SAXException</A></CODE> - Some parsing error occured while reading filter.</DL>
</DD>
</DL>
<HR>

<A NAME="characters(char[], int, int)"><!-- --></A><H3>
characters</H3>
<PRE>
public void <B>characters</B>(char[]&nbsp;chars,
                       int&nbsp;start,
                       int&nbsp;length)
                throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/SAXException.html" title="class or interface in org.xml.sax">SAXException</A></PRE>
<DL>
<DD>Reads the only internal characters read by filters.  If we are in a
 distance filter than the distance is set in the filter factory, if not
 we forward directly along to the expression factory.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/ContentHandler.html#characters(char[], int, int)" title="class or interface in org.xml.sax">characters</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/ContentHandler.html" title="class or interface in org.xml.sax">ContentHandler</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>chars</CODE> - Raw coordinate string from the filter document.<DD><CODE>start</CODE> - Beginning character position of raw string.<DD><CODE>length</CODE> - Length of the character string.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/SAXException.html" title="class or interface in org.xml.sax">SAXException</A></CODE> - Some parsing error occurred while reading
         coordinates.</DL>
</DD>
</DL>
<HR>

<A NAME="endElement(java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3>
endElement</H3>
<PRE>
public void <B>endElement</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;namespaceURI,
                       <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;localName,
                       <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;qName)
                throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/SAXException.html" title="class or interface in org.xml.sax">SAXException</A></PRE>
<DL>
<DD>Checks for filter element end and - if not a Filter then sends it
 directly to the appropriate filter factory.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/ContentHandler.html#endElement(java.lang.String, java.lang.String, java.lang.String)" title="class or interface in org.xml.sax">endElement</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/ContentHandler.html" title="class or interface in org.xml.sax">ContentHandler</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>namespaceURI</CODE> - Namespace of the element.<DD><CODE>localName</CODE> - Local name of the element.<DD><CODE>qName</CODE> - Full name of the element, including namespace prefix.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/org/xml/sax/SAXException.html" title="class or interface in org.xml.sax">SAXException</A></CODE> - Parsing error occurred while reading coordinates.</DL>
</DD>
</DL>
<HR>

<A NAME="geometry(com.vividsolutions.jts.geom.Geometry)"><!-- --></A><H3>
geometry</H3>
<PRE>
public void <B>geometry</B>(<A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Geometry.html" title="class or interface in com.vividsolutions.jts.geom">Geometry</A>&nbsp;geometry)
              throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/RuntimeException.html" title="class or interface in java.lang">RuntimeException</A></PRE>
<DL>
<DD>Recieves a geometry from its child filter.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/gml/GMLHandlerJTS.html#geometry(com.vividsolutions.jts.geom.Geometry)">geometry</A></CODE> in interface <CODE><A HREF="../../../org/geotools/gml/GMLHandlerJTS.html" title="interface in org.geotools.gml">GMLHandlerJTS</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>geometry</CODE> - The geometry from the filter.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/RuntimeException.html" title="class or interface in java.lang">RuntimeException</A></CODE> - if the filterFactory can't handle the geometry<DT><B>'TODO:'</B></DT>
  <DD>REVISIT: can we throw another exception?</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="convertType(java.lang.String)"><!-- --></A><H3>
convertType</H3>
<PRE>
protected static short <B>convertType</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;filterType)</PRE>
<DL>
<DD>Converts the string representation of the expression to the
 AbstractFilter or DefaultExpression short type.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>filterType</CODE> - Type of filter for check.
<DT><B>Returns:</B><DD>the short representation of the filter.</DL>
</DD>
</DL>
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