org.apache.tools.ant.taskdefs
Class BuildNumber

java.lang.Object
  extended by org.apache.tools.ant.ProjectComponent
      extended by org.apache.tools.ant.Task
          extended by org.apache.tools.ant.taskdefs.BuildNumber
All Implemented Interfaces:
java.lang.Cloneable

public class BuildNumber
extends Task

Read, increment, and write a build number in a file It will first attempt to read a build number from a file, then set the property "build.number" to the value that was read in (or 0 if no such value). Then it will increment the build number by one and write it back out into the file.

Since:
Ant 1.5

Field Summary
 
Fields inherited from class org.apache.tools.ant.Task
target, taskName, taskType, wrapper
 
Fields inherited from class org.apache.tools.ant.ProjectComponent
description, location, project
 
Constructor Summary
BuildNumber()
           
 
Method Summary
 void execute()
          Run task.
 void setFile(java.io.File file)
          The file in which the build number is stored.
 
Methods inherited from class org.apache.tools.ant.Task
bindToOwner, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, getTaskType, getWrapper, handleErrorFlush, handleErrorOutput, handleFlush, handleInput, handleOutput, init, isInvalid, log, log, log, log, maybeConfigure, perform, reconfigure, setOwningTarget, setRuntimeConfigurableWrapper, setTaskName, setTaskType
 
Methods inherited from class org.apache.tools.ant.ProjectComponent
clone, getDescription, getLocation, getProject, setDescription, setLocation, setProject
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

BuildNumber

public BuildNumber()
Method Detail

setFile

public void setFile(java.io.File file)
The file in which the build number is stored. Defaults to "build.number" if not specified.

Parameters:
file - the file in which build number is stored.

execute

public void execute()
             throws BuildException
Run task.

Overrides:
execute in class Task
Throws:
BuildException - if an error occurs