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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:17 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>LineFormat (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.io.LineFormat class"><META NAME="keywords" CONTENT="clear()"><META NAME="keywords" CONTENT="setLine()"><META NAME="keywords" CONTENT="getValueCount()"><META NAME="keywords" CONTENT="setValue()"><META NAME="keywords" CONTENT="getValue()"><META NAME="keywords" CONTENT="getValues()"><META NAME="keywords" CONTENT="toString()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){    parent.document.title="LineFormat (Geotools 2.3.x 2.3.2 API)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">  <TR ALIGN="center" VALIGN="top">  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/LineFormat.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;<A HREF="../../../org/geotools/io/ExpandedTabWriter.html" title="class in org.geotools.io"><B>PREV CLASS</B></A>&nbsp;&nbsp;<A HREF="../../../org/geotools/io/LineWriter.html" title="class in org.geotools.io"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">  <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A>  &nbsp;&nbsp;<A HREF="LineFormat.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;&nbsp;<SCRIPT type="text/javascript">  <!--  if(window==top) {    document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>');  }  //--></SCRIPT><NOSCRIPT>  <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.geotools.io</FONT><BR>Class LineFormat</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>  <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>LineFormat</B></PRE><HR><DL><DT>public class <B>LineFormat</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL><P>Parse a line of text data. This class is mostly used for parsing lines in a matrix or a table. Each column may contains numbers, dates, or other objects parseable by some <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/text/Format.html" title="class or interface in java.text"><CODE>Format</CODE></A> implementations. The example below reads dates in the first column and numbers in all remaining columns. <blockquote><pre> final LineParser parser=new LineFormat(new Format[] {     <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/text/DateFormat.html#getDateTimeInstance()" title="class or interface in java.text"><CODE>DateFormat.getDateTimeInstance()</CODE></A>,     <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/text/NumberFormat.html#getNumberInstance()" title="class or interface in java.text"><CODE>NumberFormat.getNumberInstance()</CODE></A> }); </pre></blockquote>  may be used for reading a matrix with an unknow number of columns, while requiring that all lines have the same number of columns. The example below gets the number of columns while reading the first line, and ensure that all subsequent lines have the same number of columns. If one line violate this condition, then a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/text/ParseException.html" title="class or interface in java.text"><CODE>ParseException</CODE></A> will be thrown. The check if performed by the  method when the  array is non-nul. <blockquote><pre> &nbsp;double[] data=null; &nbsp;final <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> in = new <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>(new <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/FileReader.html" title="class or interface in java.io"><CODE>FileReader</CODE></A>("MATRIX.TXT")); &nbsp;for (<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang"><CODE>String</CODE></A> line; (line=in.readLine())!=null;) { &nbsp;    parser.setLine(line); &nbsp;    data = parser.getValues(data); &nbsp;    // ... process 'data' here ... &nbsp;}); </pre></blockquote> This code can work as well with dates instead of numbers. In this case, the values returned will be microseconds ellapsed since January 1st, 1970. <br><br> A <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/text/ParseException.html" title="class or interface in java.text"><CODE>ParseException</CODE></A> may be thrown because a string can't be parsed, because an object can't be converted into a number or because a line don't have the expected number of columns. In all case, it is possible to gets the index of the first problem found using <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/text/ParseException.html#getErrorOffset()" title="class or interface in java.text"><CODE>ParseException.getErrorOffset()</CODE></A>.<P><P><DL><DT><B>Since:</B></DT>  <DD>2.0</DD><DT><B>Author:</B></DT>  <DD>Martin Desruisseaux</DD><DT><B>Module:</B></DT><DD><CODE><B>module/referencing</B></CODE> &nbsp; (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-referencing/"><CODE>gt2-referencing.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/referencing/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/referencing/src/org/geotools/io/LineFormat.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/geotools/io/LineFormat.html#LineFormat()">LineFormat</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a new line parser for the default locale.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/geotools/io/LineFormat.html#LineFormat(java.text.Format)">LineFormat</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/text/Format.html" title="class or interface in java.text">Format</A>&nbsp;format)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construit un objet qui lira des dates, des nombres ou tous autres objets 閏rits selon le format sp閏ifi
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