org.apache.tools.ant.types
Class FilterSet

java.lang.Object
  |
  +--org.apache.tools.ant.ProjectComponent
        |
        +--org.apache.tools.ant.types.DataType
              |
              +--org.apache.tools.ant.types.FilterSet

public class FilterSet

extends DataType

A set of filters to be applied to something. A filter set may have begintoken and endtokens defined.

Author:

Michael McCallum

Inner Class Summary

static class	FilterSet.Filter Individual filter component of filterset
class	FilterSet.FiltersFile The filtersfile nested element.

Field Summary

static java.lang.String	DEFAULT_TOKEN_END The default token end string
static java.lang.String	DEFAULT_TOKEN_START The default token start string

Fields inherited from class org.apache.tools.ant.types.DataType

checked, description, ref

Fields inherited from class org.apache.tools.ant.ProjectComponent

project

Constructor Summary

	FilterSet()
protected	FilterSet(FilterSet filterset) Create a Filterset from another filterset

Method Summary

void	addFilter(FilterSet.Filter filter) Create a new filter
void	addFilter(java.lang.String token, java.lang.String value) Add a new filter made from the given token and value.
void	addFilterSet(FilterSet filterSet) Add a Filterset to this filter set
FilterSet.FiltersFile	createFiltersfile() Create a new FiltersFile
java.lang.String	getBeginToken()
java.lang.String	getEndToken()
java.util.Hashtable	getFilterHash() Gets the filter hash of the FilterSet.
protected java.util.Vector	getFilters()
protected FilterSet	getRef()
boolean	hasFilters() Test to see if this filter set it empty.
void	readFiltersFromFile(java.io.File filtersFile) Read the filters from the given file.
java.lang.String	replaceTokens(java.lang.String line) Does replacement on the given string with token matching.
void	setBeginToken(java.lang.String startOfToken) The string used to id the beginning of a token.
void	setEndToken(java.lang.String endOfToken) The string used to id the end of a token.
void	setFiltersfile(java.io.File filtersFile) set the file containing the filters for this filterset.

Methods inherited from class org.apache.tools.ant.types.DataType

circularReference, dieOnCircularReference, getCheckedRef, getDescription, isReference, noChildrenAllowed, setDescription, setRefid, tooManyAttributes

Methods inherited from class org.apache.tools.ant.ProjectComponent

getProject, log, log, setProject

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_TOKEN_START

public static final java.lang.String DEFAULT_TOKEN_START

The default token start string

DEFAULT_TOKEN_END

public static final java.lang.String DEFAULT_TOKEN_END

The default token end string

Constructor Detail

FilterSet

public FilterSet()

FilterSet

protected FilterSet(FilterSet filterset)

Create a Filterset from another filterset

Parameters:

filterset - the filterset upon which this filterset will be based.

Method Detail

getFilters

protected java.util.Vector getFilters()

getRef

protected FilterSet getRef()

getFilterHash

public java.util.Hashtable getFilterHash()

Gets the filter hash of the FilterSet.

Returns:

The hash of the tokens and values for quick lookup.

setFiltersfile

public void setFiltersfile(java.io.File filtersFile)
                    throws BuildException

set the file containing the filters for this filterset.

Parameters:

filtersFile - sets the filter fil to read filters for this filter set from.

Throws:

BuildException - if there is a problem reading the filters

setBeginToken

public void setBeginToken(java.lang.String startOfToken)

The string used to id the beginning of a token.

Parameters:

startOfToken - The new Begintoken value

getBeginToken

public java.lang.String getBeginToken()

setEndToken

public void setEndToken(java.lang.String endOfToken)

The string used to id the end of a token.

Parameters:

endOfToken - The new Endtoken value

getEndToken

public java.lang.String getEndToken()

readFiltersFromFile

public void readFiltersFromFile(java.io.File filtersFile)
                         throws BuildException

Read the filters from the given file.

Parameters:

filtersFile - the file from which filters are read

Throws:

BuildException - Throw a build exception when unable to read the file.

replaceTokens

public java.lang.String replaceTokens(java.lang.String line)

Does replacement on the given string with token matching. This uses the defined begintoken and endtoken values which default to @ for both.

Parameters:

line - The line to process the tokens in.

Returns:

The string with the tokens replaced.

addFilter

public void addFilter(FilterSet.Filter filter)

Create a new filter

Parameters:

the - filter to be added

createFiltersfile

public FilterSet.FiltersFile createFiltersfile()

Create a new FiltersFile

Returns:

The filter that was created.

addFilter

public void addFilter(java.lang.String token,
                      java.lang.String value)

Add a new filter made from the given token and value.

Parameters:

token - The token for the new filter.

value - The value for the new filter.

addFilterSet

public void addFilterSet(FilterSet filterSet)

Add a Filterset to this filter set

Parameters:

filterSet - the filterset to be added to this filterset

hasFilters

public boolean hasFilters()

Test to see if this filter set it empty.

Returns:

Return true if there are filter in this set otherwise false.