📄 datastreamparser.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Fri Dec 06 19:57:10 CET 2002 --><TITLE>jakarta-turbine-2 2.2 API: Class DataStreamParser</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/DataStreamParser.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/apache/turbine/util/CSVParser.html"><B>PREV CLASS</B></A> <A HREF="../../../../org/apache/turbine/util/DateSelector.html"><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> <A HREF="DataStreamParser.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.apache.turbine.util</FONT><BR>Class DataStreamParser</H2><PRE>java.lang.Object | +--<B>org.apache.turbine.util.DataStreamParser</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.util.Iterator</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/turbine/util/CSVParser.html">CSVParser</A>, <A HREF="../../../../org/apache/turbine/util/TSVParser.html">TSVParser</A></DD></DL><HR><DL><DT>public abstract class <B>DataStreamParser</B><DT>extends java.lang.Object<DT>implements java.util.Iterator</DL><P>DataStreamParser is used to parse a stream with a fixed format and generate ValueParser objects which can be used to extract the values in the desired type. <p>The class itself is abstract - a concrete subclass which implements the initTokenizer method such as CSVParser or TSVParser is required to use the functionality. <p>The class implements the java.util.Iterator interface for convenience. This allows simple use in a Velocity template for example: <pre> #foreach ($row in $datastream) Name: $row.Name Description: $row.Description #end </pre><P><DL><DT><B>Version: </B><DD>$Id: DataStreamParser.java,v 1.2 2002/05/29 13:38:26 brekke Exp $</DD><DT><B>Author: </B><DD><a href="mailto:sean@informage.net">Sean Legassick</a>, <a href="mailto:martin@mvdb.net">Martin van den Bemt</a></DD></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#EMPTYFIELDNAME">EMPTYFIELDNAME</A></B></CODE><BR> The constant for empty fields</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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/apache/turbine/util/DataStreamParser.html#DataStreamParser(java.io.Reader, java.util.List, java.lang.String)">DataStreamParser</A></B>(java.io.Reader in, java.util.List columnNames, java.lang.String characterEncoding)</CODE><BR> Create a new DataStreamParser instance.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#hasNext()">hasNext</A></B>()</CODE><BR> Determine whether a further row of values exists in the input.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#hasNextRow()">hasNextRow</A></B>()</CODE><BR> Determine whether a further row of values exists in the input.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#initTokenizer(java.io.StreamTokenizer)">initTokenizer</A></B>(java.io.StreamTokenizer tokenizer)</CODE><BR> Initialize the StreamTokenizer instance used to read the lines from the input reader.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#next()">next</A></B>()</CODE><BR> Returns a ValueParser object containing the next row of values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/apache/turbine/util/ValueParser.html">ValueParser</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#nextRow()">nextRow</A></B>()</CODE><BR> Returns a ValueParser object containing the next row of values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#readColumnNames()">readColumnNames</A></B>()</CODE><BR> Read the list of column names from the input reader using the tokenizer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#remove()">remove</A></B>()</CODE><BR> The optional Iterator.remove method is not supported.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#setColumnNames(java.util.List)">setColumnNames</A></B>(java.util.List columnNames)</CODE><BR> Set the list of column names explicitly.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/util/DataStreamParser.html#setFieldSeparator(char)">setFieldSeparator</A></B>(char fieldSeparator)</CODE><BR> This method must be called to setup the field seperator</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -