org.apache.tools.ant.types.selectors

Class BaseExtendSelector

Implemented Interfaces:
ExtendFileSelector, FileSelector, Parameterizable
Known Direct Subclasses:
ContainsRegexpSelector, ContainsSelector, DateSelector, DepthSelector, FilenameSelector, ModifiedSelector, SizeSelector, TypeSelector

public abstract class BaseExtendSelector
extends BaseSelector
implements ExtendFileSelector

Convenience base class for all selectors accessed through ExtendSelector. It provides support for gathering the parameters together as well as for assigning an error message and throwing a build exception if an error is detected.
Since:
1.5

Field Summary

protected Parameter[]
parameters
The passed in parameter array.

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

BaseExtendSelector()
Default constructor.

Method Summary

protected Parameter[]
getParameters()
Allows access to the parameters gathered and set within the <custom> tag.
abstract boolean
isSelected(File basedir, String filename, File file)
Method that each selector will implement to create their selection behaviour.
void
setParameters(Parameter[] parameters)
Set all the Parameters for this custom selector, collected by the ExtendSelector class.

Methods inherited from class org.apache.tools.ant.types.selectors.BaseSelector

getError, isSelected, setError, validate, verifySettings

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

checkAttributesAllowed, checkChildrenAllowed, circularReference, dieOnCircularReference, getCheckedRef, getDescription, getRefid, isChecked, isReference, noChildrenAllowed, setChecked, setDescription, setRefid, tooManyAttributes

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

getProject, log, log, setProject

Field Details

parameters

protected Parameter[] parameters
The passed in parameter array.

Constructor Details

BaseExtendSelector

public BaseExtendSelector()
Default constructor.

Method Details

getParameters

protected Parameter[] getParameters()
Allows access to the parameters gathered and set within the <custom> tag.
Returns:
the set of parameters defined for this selector

isSelected

public abstract boolean isSelected(File basedir,
                                   String filename,
                                   File file)
            throws BuildException
Method that each selector will implement to create their selection behaviour. If there is a problem with the setup of a selector, it can throw a BuildException to indicate the problem.
Specified by:
isSelected in interface FileSelector
Overrides:
isSelected in interface BaseSelector
Parameters:
basedir - A java.io.File object for the base directory
filename - The name of the file to check
file - A File object for this filename
Returns:
whether the file should be selected or not
Throws:
BuildException - if an error occurs

setParameters

public void setParameters(Parameter[] parameters)
Set all the Parameters for this custom selector, collected by the ExtendSelector class.
Specified by:
setParameters in interface Parameterizable
Parameters:
parameters - the complete set of parameters for this selector

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