com.ibm.di.parser
Class LineReader

java.lang.Object
  com.ibm.di.parser.ParserImpl
      com.ibm.di.parser.LineReader

All Implemented Interfaces:

ParserInterface, VersionInfoInterface

public class LineReader
extends ParserImpl

The Line Reader Parser reads single lines of data. The line read is returned in a single attribute. There is also an attribute named linenumber that contains the line number, starting with 1.

Field Summary

Fields inherited from class com.ibm.di.parser.ParserImpl

_debug, myConfiguration

Constructor Summary

LineReader()

Method Summary

String	getVersion() Version information.
void	initParser() This method is called by the hosting component (e.g.
Object	querySchema(Object source) Discover the schema for the Parser.
Entry	readEntry() Return the next entry from the current input stream.
void	writeEntry(Entry entry) Write an entry to the current output stream.

Methods inherited from class com.ibm.di.parser.ParserImpl

closeParser, debug, debugMode, flush, getClassInstance, getContext, getDebug, getInputStream, getOutputStream, getParam, getParser, getReader, getWriter, isDeltaSupported, logmsg, registerScriptBeans, setConfiguration, setContext, setDebug, setInputStream, setInputStream, setInputStream, setOutputStream, setOutputStream, setParam, setParser

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LineReader

public LineReader()

Method Detail

initParser

public void initParser()
                throws Exception

This method is called by the hosting component (e.g. connector) to initialize the parser.

Specified by:

initParser in interface ParserInterface

Overrides:

initParser in class ParserImpl

Throws:

Exception - : never

writeEntry

public void writeEntry(Entry entry)
                throws Exception

Write an entry to the current output stream.

Parameters:

entry - The entry to write

Throws:

Exception - if an I/O error occurs.

readEntry

public Entry readEntry()
                throws Exception

Return the next entry from the current input stream.

Returns:

The next entry from the input stream

Throws:

Exception - if error occurs.

querySchema

public Object querySchema(Object source)
                   throws Exception

Discover the schema for the Parser. For example, a XML Parser could return a representation of the XML Schema or the DTD referenced in a XML file.

Specified by:

querySchema in interface ParserInterface

Overrides:

querySchema in class ParserImpl

Parameters:

source - The object on which to discover schema

Returns:

A Vector of com.ibm.di.entry.Entry objects describing each entity

Throws:

Exception - If an I/O error occurs

Since:

7.0

getVersion

public String getVersion()

Version information.

Returns:

version information