gate.creole.gazetteer
Class DefaultGazetteer

java.lang.Object
  |
  +--gate.util.AbstractFeatureBearer
        |
        +--gate.creole.AbstractResource
              |
              +--gate.creole.AbstractProcessingResource
                    |
                    +--gate.creole.gazetteer.DefaultGazetteer
All Implemented Interfaces:
FeatureBearer, ProcessingResource, Resource, Runnable, Serializable

public class DefaultGazetteer
extends AbstractProcessingResource
implements ProcessingResource

This component is responsible for doing lists lookup. The implementaion is based on finite state machines. The phrases to be recognised should be listed in a set of files, one for each type of occurences. The gazeteer is build with the information from a file that contains the set of lists (which are files as well) and the associated type for each list. The file defining the set of lists should have the following syntax: each list definition should be written on its own line and should contain:

  1. the file name (required)
  2. the major type (required)
  3. the minor type (optional)
  4. the language(s) (optional)
The elements of each definition are separated by ":". The following is an example of a valid definition:
personmale.lst:person:male:english Each list file named in the lists definition file is just a list containing one entry per line. When this gazetter will be run over some input text (a Gate document) it will generate annotations of type Lookup having the attributes specified in the definition file.

See Also:
Serialized Form

Constructor Summary
DefaultGazetteer()
          Build a gazetter using the default lists from the agte resources {@see init()}
 
Method Summary
 void addLookup(String text, gate.creole.gazetteer.Lookup lookup)
          Adds one phrase to the list of phrases recognised by this gazetteer
 void addProgressListener(ProgressListener l)
           
 void addStatusListener(StatusListener l)
           
 Boolean getCaseSensitive()
           
 String getEncoding()
           
 FeatureMap getFeatures()
          Get the feature set
 String getFSMgml()
          Returns a string representation of the deterministic FSM graph using GML.
 URL getListsURL()
           
 Resource init()
          Does the actual loading and parsing of the lists.
 void removeLookup(String text, gate.creole.gazetteer.Lookup lookup)
          Removes one phrase to the list of phrases recognised by this gazetteer
 void removeProgressListener(ProgressListener l)
           
 void removeStatusListener(StatusListener l)
           
 void reset()
          Resets this resource preparing it for a new run
 void run()
          This method runs the gazetteer.
 void setAnnotationSetName(String newAnnotationSetName)
          Sets the AnnotationSet that will be used at the next run for the newly produced annotations.
 void setCaseSensitive(Boolean newCaseSensitive)
           
 void setDocument(Document newDocument)
          Sets the document to be processed by the next run
 void setEncoding(String newEncoding)
           
 void setFeatures(FeatureMap features)
          Set the feature set
 void setListsURL(URL newListsURL)
           
 
Methods inherited from class gate.creole.AbstractProcessingResource
check, reInit
 
Methods inherited from class gate.creole.AbstractResource
getName, setName
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface gate.ProcessingResource
check, reInit
 
Methods inherited from interface gate.util.FeatureBearer
getName, setName
 

Constructor Detail

DefaultGazetteer

public DefaultGazetteer()
Build a gazetter using the default lists from the agte resources {@see init()}
Method Detail

init

public Resource init()
              throws ResourceInstantiationException
Does the actual loading and parsing of the lists. This method must be called before the gazetteer can be used
Specified by:
init in interface Resource
Overrides:
init in class AbstractProcessingResource

reset

public void reset()
Resets this resource preparing it for a new run

addLookup

public void addLookup(String text,
                      gate.creole.gazetteer.Lookup lookup)
Adds one phrase to the list of phrases recognised by this gazetteer
Parameters:
text - the phrase to be added
lookup - the description of the annotation to be added when this phrase is recognised

removeLookup

public void removeLookup(String text,
                         gate.creole.gazetteer.Lookup lookup)
Removes one phrase to the list of phrases recognised by this gazetteer
Parameters:
text - the phrase to be removed
lookup - the description of the annotation associated to this phrase

getFSMgml

public String getFSMgml()
Returns a string representation of the deterministic FSM graph using GML.

getFeatures

public FeatureMap getFeatures()
Description copied from interface: FeatureBearer
Get the feature set
Specified by:
getFeatures in interface FeatureBearer
Overrides:
getFeatures in class AbstractFeatureBearer

setFeatures

public void setFeatures(FeatureMap features)
Description copied from interface: FeatureBearer
Set the feature set
Specified by:
setFeatures in interface FeatureBearer
Overrides:
setFeatures in class AbstractFeatureBearer

run

public void run()
This method runs the gazetteer. It assumes that all the needed parameters are set. If they are not, an exception will be fired.
Specified by:
run in interface Runnable
Overrides:
run in class AbstractProcessingResource

setDocument

public void setDocument(Document newDocument)
Sets the document to be processed by the next run

setAnnotationSetName

public void setAnnotationSetName(String newAnnotationSetName)
Sets the AnnotationSet that will be used at the next run for the newly produced annotations.

removeProgressListener

public void removeProgressListener(ProgressListener l)

addProgressListener

public void addProgressListener(ProgressListener l)

removeStatusListener

public void removeStatusListener(StatusListener l)

addStatusListener

public void addStatusListener(StatusListener l)

setEncoding

public void setEncoding(String newEncoding)

getEncoding

public String getEncoding()

setListsURL

public void setListsURL(URL newListsURL)

getListsURL

public URL getListsURL()

setCaseSensitive

public void setCaseSensitive(Boolean newCaseSensitive)

getCaseSensitive

public Boolean getCaseSensitive()