org.apache.tools.ant.taskdefs
Class UpToDate

java.lang.Object
  org.apache.tools.ant.ProjectComponent
      org.apache.tools.ant.Task
          org.apache.tools.ant.taskdefs.UpToDate

All Implemented Interfaces:

java.lang.Cloneable, Condition

public class UpToDate
extends Task
implements Condition

Sets the given property if the specified target has a timestamp greater than all of the source files.

Since:

Ant 1.2

Field Summary

protected Mapper

mapperElement

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

UpToDate()

Method Summary

void	add(FileNameMapper fileNameMapper) A nested filenamemapper
void	addSrcfiles(FileSet fs) Nested <srcfiles> element.
Mapper	createMapper() Defines the FileNameMapper to use (nested mapper element).
Union	createSrcResources() Nested resource collections as sources.
boolean	eval() Evaluate (all) target and source file(s) to see if the target(s) is/are up-to-date.
void	execute() Sets property to true if target file(s) have a more recent timestamp than (each of) the corresponding source file(s).
protected boolean	scanDir(java.io.File srcDir, java.lang.String[] files) Scan a directory for files to check for "up to date"ness
void	setProperty(java.lang.String property) The property to set if the target file is more up-to-date than (each of) the source file(s).
void	setSrcfile(java.io.File file) The file that must be older than the target file if the property is to be set.
void	setTargetFile(java.io.File file) The file which must be more up-to-date than (each of) the source file(s) if the property is to be set.
void	setValue(java.lang.String value) The value to set the named property to if the target file is more up-to-date than (each of) the source file(s).

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

Field Detail

mapperElement

protected Mapper mapperElement

Constructor Detail

UpToDate

public UpToDate()

Method Detail

setProperty

public void setProperty(java.lang.String property)

The property to set if the target file is more up-to-date than (each of) the source file(s).

Parameters:

property - the name of the property to set if Target is up-to-date.

setValue

public void setValue(java.lang.String value)

The value to set the named property to if the target file is more up-to-date than (each of) the source file(s). Defaults to 'true'.

Parameters:

value - the value to set the property to if Target is up-to-date

setTargetFile

public void setTargetFile(java.io.File file)

The file which must be more up-to-date than (each of) the source file(s) if the property is to be set.

Parameters:

file - the file we are checking against.

setSrcfile

public void setSrcfile(java.io.File file)

The file that must be older than the target file if the property is to be set.

Parameters:

file - the file we are checking against the target file.

addSrcfiles

public void addSrcfiles(FileSet fs)

Nested <srcfiles> element.

Parameters:

fs - the source files

createSrcResources

public Union createSrcResources()

Nested resource collections as sources.

Returns:

the source resources to configure.

Since:

Ant 1.7

createMapper

public Mapper createMapper()
                    throws BuildException

Defines the FileNameMapper to use (nested mapper element).

Returns:

a mapper to be configured

Throws:

BuildException - if more than one mapper is defined

add

public void add(FileNameMapper fileNameMapper)

A nested filenamemapper

Parameters:

fileNameMapper - the mapper to add

Since:

Ant 1.6.3

eval

public boolean eval()

Evaluate (all) target and source file(s) to see if the target(s) is/are up-to-date.

Specified by:

eval in interface Condition

Returns:

true if the target(s) is/are up-to-date

execute

public void execute()
             throws BuildException

Sets property to true if target file(s) have a more recent timestamp than (each of) the corresponding source file(s).

Overrides:

execute in class Task

Throws:

BuildException - on error

scanDir

protected boolean scanDir(java.io.File srcDir,
                          java.lang.String[] files)

Scan a directory for files to check for "up to date"ness

Parameters:

srcDir - the directory

files - the files to scan for

Returns:

true if the files are up to date