com.ibm.di.UpdateInstaller
Class ASCIIFileUpdate

java.lang.Object
  com.ibm.di.UpdateInstaller.ASCIIFileUpdate

public class ASCIIFileUpdate
extends Object

Allows modification of ASCII files. This class is intended to provide the functionality of the update ASCII file modifications in ISMP 11.5 for the update installer.

Constructor Summary

ASCIIFileUpdate(String filename)
Class constructor that takes a filename to make replacements on.

ASCIIFileUpdate(String filename, String[] matches, String[] replace)
Class constructor that takes a filename to make replacements on, an array of matches, and an array of replacements.

Method Summary

void	addPattern(String search, String replace) Adds a search and replace term to the array of items to search for
void	alterFile() Performs the actual alteration of the file.
void	setMode(int mode) Sets the mode for this replacement.
static int	simpleModify(String[] args) Performs a modification to a file.

Methods inherited from class java.lang.Object

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

Constructor Detail

ASCIIFileUpdate

public ASCIIFileUpdate(String filename)
                throws Exception

Class constructor that takes a filename to make replacements on. Searches and replacements must be added.

Parameters:

filename - The file that will be altered

Throws:

Exception - If there is an error processing the file

ASCIIFileUpdate

public ASCIIFileUpdate(String filename,
                       String[] matches,
                       String[] replace)
                throws Exception

Class constructor that takes a filename to make replacements on, an array of matches, and an array of replacements.

Parameters:

filename - The file that will be altered

matches - An array of regular expressions to search for

replace - A parallel array to matches which represents the replacements

Throws:

Exception - If there is an error processing the file

Method Detail

setMode

public void setMode(int mode)

Sets the mode for this replacement.

Parameters:

mode - LINE_MODE or TEXT_MODE; the default is LINE_MODE

addPattern

public void addPattern(String search,
                       String replace)

Adds a search and replace term to the array of items to search for

Parameters:

search - A regexp to search for

replace - A replacement for the corresponding search

alterFile

public void alterFile()
               throws Exception

Performs the actual alteration of the file.

Throws:

Exception - if an error is encountered when reading or writing to the file

simpleModify

public static int simpleModify(String[] args)

Performs a modification to a file. If the modification to be made only takes one search and replace term, use this method instead of instantiating an object.

Parameters:

args - An array of arguments for this modification: file search replacement [LINE|TEXT]
If the last argument is omitted, LINE_MODE is used.

Returns:

0 if the modification was successful, nonzero otherwise