Package com.sun.identity.authentication.service

Class StreamSubstituter

java.lang.Object

com.sun.identity.authentication.service.StreamSubstituter

public class StreamSubstituter
extends Object

Copies a Reader to a Writer performing string substitution.

Constructor Summary

Constructors

Constructor	Description
StreamSubstituter()

Method Summary

Modifier and Type	Method	Description
void	define(String key, String val)	Define a string to substitute.
void	filter(File inputFile, PrintWriter o)	Filters data from file.
StringBuffer	getFileContents(File filename)	Get file content from file to string buffer

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamSubstituter

public StreamSubstituter()

Method Detail

define

public void define(String key,
                   String val)

Define a string to substitute. In the content being filtered, all occurrences of ...

     <subst data="key">otherwise</subst>
 

will be replaced with the value defined for "key". If the key has not been defined, then "otherwise" will be copied to the output stream. More than one date="key" may be specified in the same <subst> tag in which case they are substituted in order, and "otherwise" is only copied if none of the keys were found.

Parameters:

key - file name used as key for cache

val - string value for representation of the file

filter

public void filter(File inputFile,
                   PrintWriter o)
            throws IOException

Filters data from file.

Parameters:

inputFile - that filter will be applied.

o - output stream filtered content will be written.

Throws:

IOException - if content can not be read from

getFileContents

public StringBuffer getFileContents(File filename)
                             throws Exception

Get file content from file to string buffer

Parameters:

filename - will be read from

Returns:

StringBuffer representation of file content

Throws:

Exception - if file can not be read from.