ContainsRegexpSelector (Apache Ant API)
Keywords: org.apache.tools.ant.types.selectors.ContainsRegexpSelector class

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## org.apache.tools.ant.types.selectors
Class ContainsRegexpSelector

    java.lang.Object
      org.apache.tools.ant.ProjectComponent
          org.apache.tools.ant.types.DataType
              org.apache.tools.ant.types.selectors.BaseSelector
                  org.apache.tools.ant.types.selectors.BaseExtendSelector
                      org.apache.tools.ant.types.selectors.ContainsRegexpSelector

All Implemented Interfaces:
  java.lang.Cloneable, Parameterizable, ResourceSelector, ExtendFileSelector, FileSelector

    public class ContainsRegexpSelector

extends BaseExtendSelector
implements ResourceSelector

Selector that filters files based on a regular expression.

Since:
  Ant 1.6

Field Summary
`static java.lang.String` | `EXPRESSION_KEY` Key to used for parameterized custom selector

Fields inherited from class org.apache.tools.ant.types.selectors.BaseExtendSelector
`parameters`

Fields inherited from class org.apache.tools.ant.types.DataType
`checked, ref`

Fields inherited from class org.apache.tools.ant.ProjectComponent
`description, location, project`

Constructor Summary
`ContainsRegexpSelector()` Creates a new `ContainsRegexpSelector` instance.

Method Summary
`boolean` | `isSelected(java.io.File basedir, java.lang.String filename, java.io.File file)` Tests a regular expression against each line of text in the file.
`boolean` | `isSelected(Resource r)` Tests a regular expression against each line of text in a Resource.
`void` | `setExpression(java.lang.String theexpression)` The regular expression used to search the file.
`void` | `setParameters(Parameter[] parameters)` When using this as a custom selector, this method will be called.
`java.lang.String` | `toString()` Basic DataType toString().
`void` | `verifySettings()` Checks that an expression was specified.

Methods inherited from class org.apache.tools.ant.types.selectors.BaseExtendSelector
`getParameters`

Methods inherited from class org.apache.tools.ant.types.selectors.BaseSelector
`getError, setError, validate`

Methods inherited from class org.apache.tools.ant.types.DataType
`checkAttributesAllowed, checkChildrenAllowed, circularReference, clone, dieOnCircularReference, dieOnCircularReference, dieOnCircularReference, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, setChecked, setRefid, tooManyAttributes`

Methods inherited from class org.apache.tools.ant.ProjectComponent
`getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### EXPRESSION_KEY

    public static final java.lang.String EXPRESSION_KEY

  Key to used for parameterized custom selector

  See Also:
    Constant Field Values

Constructor Detail

### ContainsRegexpSelector

    public ContainsRegexpSelector()

  Creates a new `ContainsRegexpSelector` instance.

Method Detail

### toString

    public java.lang.String toString()

  Description copied from class: `DataType`
  Basic DataType toString().

  Overrides:
    `toString` in class `DataType`
  Returns:
    a string describing this object

### setExpression

    public void setExpression(java.lang.String theexpression)

  The regular expression used to search the file.

  Parameters:
    `theexpression` - this must match a line in the file to be selected.

### setParameters

    public void setParameters(Parameter[] parameters)

  When using this as a custom selector, this method will be called. It translates each parameter into the appropriate setXXX() call.

  Specified by:
    `setParameters` in interface `Parameterizable`
  Overrides:
    `setParameters` in class `BaseExtendSelector`
  Parameters:
    `parameters` - the complete set of parameters for this selector

### verifySettings

    public void verifySettings()

  Checks that an expression was specified.

  Overrides:
    `verifySettings` in class `BaseSelector`

### isSelected

    public boolean isSelected(java.io.File basedir,
                              java.lang.String filename,
                              java.io.File file)

  Tests a regular expression against each line of text in the file.

  Specified by:
    `isSelected` in interface `FileSelector`
  Specified by:
    `isSelected` in class `BaseExtendSelector`
  Parameters:
    `basedir` - the base directory the scan is being done from
    `filename` - is the name of the file to check
    `file` - is a java.io.File object the selector can use
  Returns:
    whether the file should be selected or not

### isSelected

    public boolean isSelected(Resource r)

  Tests a regular expression against each line of text in a Resource.

  Specified by:
    `isSelected` in interface `ResourceSelector`
  Parameters:
    `r` - the Resource to check.
  Returns:
    whether the Resource is selected or not

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