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RegularExpression (Apache Ant API)

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org.apache.tools.ant.types
Class RegularExpression


java.lang.Object

  |

  +--org.apache.tools.ant.ProjectComponent

        |

        +--org.apache.tools.ant.types.DataType

              |

              +--org.apache.tools.ant.types.RegularExpression

public class RegularExpression
extends DataType

A regular expression datatype. Keeps an instance of the compiled expression for speed purposes. This compiled expression is lazily evaluated (it is compiled the first time it is needed). The syntax is the dependent on which regular expression type you are using. The system property "ant.regexp.regexpimpl" will be the classname of the implementation that will be used.

 For jdk  <= 1.3, there are two available implementations:
   org.apache.tools.ant.util.regexp.JakartaOroRegexp (the default)
        Based on the jakarta-oro package

   org.apache.tools.ant.util.regexp.JakartaRegexpRegexp
        Based on the jakarta-regexp package

 For jdk >= 1.4 an additional implementation is available:
   org.apache.tools.ant.util.regexp.Jdk14RegexpRegexp
        Based on the jdk 1.4 built in regular expression package.

   <regexp [ [id="id"] pattern="expression" | refid="id" ] 
   />

Author:: Matthew Inger mattinger@mindless.com
See Also:: Perl5Compiler, RE, Pattern, Regexp

Field Summary

static java.lang.String DATA_TYPE_NAME
          Name of this data type

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

RegularExpression()


Method Summary

java.lang.String getPattern(Project p)
          Gets the pattern string for this RegularExpression in the given project.

RegularExpression getRef(Project p)
          Get the RegularExpression this reference refers to in the given project.

Regexp getRegexp(Project p)


void setPattern(java.lang.String pattern)


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

DATA_TYPE_NAME


public static final java.lang.String DATA_TYPE_NAME

Name of this data type

See Also:: Constant Field Values

Constructor Detail

RegularExpression


public RegularExpression()

Method Detail

setPattern


public void setPattern(java.lang.String pattern)

getPattern


public java.lang.String getPattern(Project p)

Gets the pattern string for this RegularExpression in the given project.

getRegexp


public Regexp getRegexp(Project p)

getRef


public RegularExpression getRef(Project p)

Get the RegularExpression this reference refers to in the given project. Check for circular references too