stream.text

Class FillTemplate

java.lang.Object

stream.AbstractProcessor

stream.text.FillTemplate

All Implemented Interfaces:

Processor, StatefulProcessor

public class FillTemplate
extends AbstractProcessor

Author:

Christian Bockermann <christian.bockermann@udo.edu>

Field Summary

Fields

Modifier and Type	Field and Description
(package private) boolean	emptyStrings
(package private) String	key
(package private) static org.slf4j.Logger	log
static String	VAR_PREFIX
static String	VAR_SUFFIX

Fields inherited from class stream.AbstractProcessor

context

Constructor Summary

Constructors

Constructor and Description
FillTemplate()

Method Summary

Modifier and Type	Method and Description
String	getKey()
boolean	isEmptyStrings()
Data	process(Data input)
void	setEmptyStrings(boolean emptyStrings)
void	setKey(String key)
private String	substitute(String str, boolean emptyStrings, Map<String,String> vars)

Methods inherited from class stream.AbstractProcessor

finish, init, resetState

Methods inherited from class java.lang.Object

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

Field Detail

VAR_PREFIX

public static final String VAR_PREFIX

See Also:

Constant Field Values

VAR_SUFFIX

public static final String VAR_SUFFIX

See Also:

Constant Field Values

log

static org.slf4j.Logger log

key

String key

emptyStrings

boolean emptyStrings

Constructor Detail

FillTemplate

public FillTemplate()

Method Detail

getKey

public String getKey()

Returns:

the key

setKey

@Parameter(required=true,
           description="The attribute that contains the template to fill.")
public void setKey(String key)

Parameters:

key - the key to set

isEmptyStrings

public boolean isEmptyStrings()

Returns:

the emptyStrings

setEmptyStrings

@Parameter(required=false,
           defaultValue="false",
           description="Whether to expand non-existing variables to empty strings.")
public void setEmptyStrings(boolean emptyStrings)

Parameters:

emptyStrings - the emptyStrings to set

process

public Data process(Data input)

See Also:

Processor.process(stream.Data)

substitute

private String substitute(String str,
                          boolean emptyStrings,
                          Map<String,String> vars)