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Class w3c.pics.db.Filter

java.lang.Object
   |
   +----w3c.pics.db.Filter

public class Filter
extends Object

A Filter stores the upper and lower limits for each Category.

Filter(Reader, String): Constructs a Filter from a Reader
Filter(Reader, String, boolean): Constructs a Filter from a Reader
Filter(String, String): Creates a new Filter
Filter(String, String, boolean, boolean, boolean): Creates a new Filter

addRange(ValueRange): Add a range of values to this Filter.
createValueCheckers(): Creates ValueChecker objects for this Filter.
createValueCheckers(SQLProfile): Creates ValueChecker objects for this Filter.
createValueCheckers(String, String): Creates ValueChecker objects for this Filter.
getBlockRulz(String): Returns a string containing the portion of this Filter that consists of Block rules.
getPassRulz(String): Returns a string containing the portion of this Filter that consists of Pass rules.
getRangeList(): Returns the list of ranges that have been added to the Filter.
getRatingsystem(): Returns the name of the rating system for this Filter.
getService(): Returns the name of the service for this Filter.
getValueCheckers(): Returns an array of ValueCheckers for this Filter, previously created by a call to createValueCheckers.
lookupRange(String): Returns the ValueRange with the name name
nextRange(): Returns the next ValueRange for this Filter.
reset(): Reset the internal pointer so that the next call of nextRange() will return the first ValueRange.
toRulzString(String): Returns a String representation of the Filter in PICSRulz format.
toString(): Returns a String representation of the Filter.

Filter

 public Filter(String ratingsystem,
               String sname)

Creates a new Filter

Parameters:: ratingsystem - A String with the name of the ratings system for this Filter; sname - A String with the name of the actual service (.rat) file.

Filter

 public Filter(String ratingsystem,
               String sname,
               boolean abmode,
               boolean incmode,
               boolean ipwgmode)

Creates a new Filter

Parameters:: ratingsystem - A String with the name of the ratings system for this Filter; sname - A String with the name of the actual service (.rat) file.; abmode - A boolean indicating if the default action for this filter is to accept or block.; incmode - A boolean indicating if the endpoints of ranges are to be included or not.; ipwgmode - A boolean indicating if this filter is in demomode.

Filter

 public Filter(Reader ins,
               String sname) throws PICSException, IOException

Constructs a Filter from a Reader

Parameters:: ins - The Reader.; sname - A String with the name of the actual service (.rat) file.
Throws: PICSException: If there is an error parsing the input file.
Throws: IOException: If there is an error reading the input file.

Filter

 public Filter(Reader ins,
               String sname,
               boolean rulzmode) throws PICSException, IOException

Constructs a Filter from a Reader

Parameters:: ins - The Reader.; sname - A String with the name of the actual service (.rat) file.; rulzmode - A boolean indicating whether this filter is being used to open a full PICSRulz profile, or just a Filter clause. It is true when called for a Filter clause, false when called for an entire Profile.
Throws: PICSException: If there is an error parsing the input file.
Throws: IOException: If there is an error reading the input file.

addRange

 public void addRange(ValueRange r)

Add a range of values to this Filter.

Parameters:: r - The ValueRange object representing the range of values.

toString

 public String toString()

Returns a String representation of the Filter.

Returns:: A String with a human readable representation of the Filter.
Overrides:: toString in class Object

toRulzString

 public String toRulzString(String sourcename)

Returns a String representation of the Filter in PICSRulz format.

Parameters:: sourcename - A String containing the name of the label service.
Returns:: A String containing a valid PICSRulz filter expression.

getPassRulz

 public String getPassRulz(String sourcename)

Returns a string containing the portion of this Filter that consists of Pass rules.

Parameters:: sourcename - A String containing the name of the label service.
Returns:: A String, containing the pass rules, in PICSRulz format.

getBlockRulz

 public String getBlockRulz(String sourcename)

Returns a string containing the portion of this Filter that consists of Block rules.

Parameters:: sourcename - A String containing the name of the label service.
Returns:: A String, containing the block rules, in PICSRulz format.

getRangeList

 public Vector getRangeList()

Returns the list of ranges that have been added to the Filter.

Returns:: A Vector, containing the ranges.

getRatingsystem

 public String getRatingsystem()

Returns the name of the rating system for this Filter.

Returns:: A String, containing the name of the rating system.

reset

 public void reset()

Reset the internal pointer so that the next call of nextRange() will return the first ValueRange.

nextRange

 public ValueRange nextRange()

Returns the next ValueRange for this Filter.

Returns:: A ValueRange.

lookupRange

 public ValueRange lookupRange(String name)

Returns the ValueRange with the name name

Parameters:: name - The name of the ValueRange to be looked up.
Returns:: A ValueRange or null if none of the ValueRanges in this Filter had the name name.

getService

 public String getService()

Returns the name of the service for this Filter.

Returns:: A String, containing the name of the rating service.

createValueCheckers

 public void createValueCheckers(SQLProfile p)

Creates ValueChecker objects for this Filter.

Parameters:: p - The profile that this Filter belongs to.

createValueCheckers

 public void createValueCheckers(String OrigFaillist,
                                 String OrigPasslist)

Creates ValueChecker objects for this Filter.

Parameters:: OrigFaillist - A list of URLs that are to be failed by this filter.; OrigPasslist - A list of URLs that are to be passed by this filter.

createValueCheckers

 public void createValueCheckers()

Creates ValueChecker objects for this Filter.

getValueCheckers

 public ValueChecker[] getValueCheckers() throws PICSException

Returns an array of ValueCheckers for this Filter, previously created by a call to createValueCheckers.

Returns:: An array of ValueCheckers.
Throws: PICSException: If there are no ValueCheckers in this Filter.

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