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SourceFileScanner (Apache Ant API)

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org.apache.tools.ant.util
Class SourceFileScanner


java.lang.Object

  |

  +--org.apache.tools.ant.util.SourceFileScanner

public class SourceFileScanner
extends java.lang.Object

Utility class that collects the functionality of the various scanDir methods that have been scattered in several tasks before.

The only method returns an array of source files. The array is a subset of the files given as a parameter and holds only those that are newer than their corresponding target files.

Author:: Stefan Bodewig

Field Summary

protected Task task


Constructor Summary

SourceFileScanner(Task task)


Method Summary

java.lang.String[] restrict(java.lang.String[] files, java.io.File srcDir, java.io.File destDir, FileNameMapper mapper)
          Restrict the given set of files to those that are newer than their corresponding target files.

java.io.File[] restrictAsFiles(java.lang.String[] files, java.io.File srcDir, java.io.File destDir, FileNameMapper mapper)
          Convinience layer on top of restrict that returns the source files as File objects (containing absolute paths if srcDir is absolute).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

task


protected Task task

Constructor Detail

SourceFileScanner


public SourceFileScanner(Task task)

Parameters:: task - The task we should log messages through

Method Detail

restrict


public java.lang.String[] restrict(java.lang.String[] files,
                                   java.io.File srcDir,
                                   java.io.File destDir,
                                   FileNameMapper mapper)

Restrict the given set of files to those that are newer than their corresponding target files.

Parameters:: files - the original set of files; srcDir - all files are relative to this directory; destDir - target files live here. if null file names returned by the mapper are assumed to be absolute.; mapper - knows how to construct a target file names from source file names.

restrictAsFiles


public java.io.File[] restrictAsFiles(java.lang.String[] files,
                                      java.io.File srcDir,
                                      java.io.File destDir,
                                      FileNameMapper mapper)

Convinience layer on top of restrict that returns the source files as File objects (containing absolute paths if srcDir is absolute).