datastreamparser.html

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<A NAME="EMPTYFIELDNAME"><!-- --></A><H3>
EMPTYFIELDNAME</H3>
<PRE>
protected static final java.lang.String <B>EMPTYFIELDNAME</B></PRE>
<DL>
<DD>The constant for empty fields</DL>

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<A NAME="DataStreamParser(java.io.Reader, java.util.List, java.lang.String)"><!-- --></A><H3>
DataStreamParser</H3>
<PRE>
public <B>DataStreamParser</B>(java.io.Reader&nbsp;in,
                        java.util.List&nbsp;columnNames,
                        java.lang.String&nbsp;characterEncoding)</PRE>
<DL>
<DD>Create a new DataStreamParser instance. Requires a Reader to read the
 comma-separated values from, a list of column names and a
 character encoding.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>in</CODE> - the input reader.<DD><CODE>columnNames</CODE> - a list of column names.<DD><CODE>characterEncoding</CODE> - the character encoding of the input.</DL>
</DD>
</DL>

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<A NAME="initTokenizer(java.io.StreamTokenizer)"><!-- --></A><H3>
initTokenizer</H3>
<PRE>
protected void <B>initTokenizer</B>(java.io.StreamTokenizer&nbsp;tokenizer)</PRE>
<DL>
<DD>Initialize the StreamTokenizer instance used to read the lines
 from the input reader. This must be implemented in subclasses to
 set up other tokenizing properties.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>tokenizer</CODE> - the tokenizer to adjust</DL>
</DD>
</DL>
<HR>

<A NAME="setFieldSeparator(char)"><!-- --></A><H3>
setFieldSeparator</H3>
<PRE>
public void <B>setFieldSeparator</B>(char&nbsp;fieldSeparator)</PRE>
<DL>
<DD>This method must be called to setup the field seperator<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>fieldSeparator</CODE> - the char which separates the fields</DL>
</DD>
</DL>
<HR>

<A NAME="setColumnNames(java.util.List)"><!-- --></A><H3>
setColumnNames</H3>
<PRE>
public void <B>setColumnNames</B>(java.util.List&nbsp;columnNames)</PRE>
<DL>
<DD>Set the list of column names explicitly.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>columnNames</CODE> - A list of column names.</DL>
</DD>
</DL>
<HR>

<A NAME="readColumnNames()"><!-- --></A><H3>
readColumnNames</H3>
<PRE>
public void <B>readColumnNames</B>()
                     throws java.io.IOException</PRE>
<DL>
<DD>Read the list of column names from the input reader using the
 tokenizer. If fieldNames are empty, we use the current fieldNumber 
 + the EMPTYFIELDNAME to make one up.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.io.IOException</CODE> - an IOException occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="hasNextRow()"><!-- --></A><H3>
hasNextRow</H3>
<PRE>
public boolean <B>hasNextRow</B>()
                   throws java.io.IOException</PRE>
<DL>
<DD>Determine whether a further row of values exists in the input.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if the input has more rows.<DT><B>Throws:</B><DD><CODE>java.io.IOException</CODE> - an IOException occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="nextRow()"><!-- --></A><H3>
nextRow</H3>
<PRE>
public <A HREF="../../../../org/apache/turbine/util/ValueParser.html">ValueParser</A> <B>nextRow</B>()
                    throws java.io.IOException,
                           java.util.NoSuchElementException</PRE>
<DL>
<DD>Returns a ValueParser object containing the next row of values.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a ValueParser object.<DT><B>Throws:</B><DD><CODE>java.io.IOException</CODE> - an IOException occurred.<DD><CODE>java.util.NoSuchElementException</CODE> - there are no more rows in the input.</DL>
</DD>
</DL>
<HR>

<A NAME="hasNext()"><!-- --></A><H3>
hasNext</H3>
<PRE>
public boolean <B>hasNext</B>()</PRE>
<DL>
<DD>Determine whether a further row of values exists in the input.<DD><DL>
<DT><B>Specified by: </B><DD><CODE>hasNext</CODE> in interface <CODE>java.util.Iterator</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if the input has more rows.</DL>
</DD>
</DL>
<HR>

<A NAME="next()"><!-- --></A><H3>
next</H3>
<PRE>
public java.lang.Object <B>next</B>()
                      throws java.util.NoSuchElementException</PRE>
<DL>
<DD>Returns a ValueParser object containing the next row of values.<DD><DL>
<DT><B>Specified by: </B><DD><CODE>next</CODE> in interface <CODE>java.util.Iterator</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a ValueParser object as an Object.<DT><B>Throws:</B><DD><CODE>java.util.NoSuchElementException</CODE> - there are no more rows in the input
                                   or an IOException occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="remove()"><!-- --></A><H3>
remove</H3>
<PRE>
public void <B>remove</B>()
            throws java.lang.UnsupportedOperationException</PRE>
<DL>
<DD>The optional Iterator.remove method is not supported.<DD><DL>
<DT><B>Specified by: </B><DD><CODE>remove</CODE> in interface <CODE>java.util.Iterator</CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.lang.UnsupportedOperationException</CODE> - the operation is not supported.</DL>
</DD>
</DL>
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