Examples of org.apache.commons.io.filefilter.RegexFileFilter

Package org.apache.commons.io.filefilter

Examples of org.apache.commons.io.filefilter.RegexFileFilter

org.apache.commons.io.filefilter.RegexFileFilter
Filters files using supplied regular expression(s).
See java.util.regex.Pattern for regex matching rules

e.g.
```
 File dir = new File("."); FileFilter fileFilter = new RegexFileFilter("^.*[tT]est(-\\d+)?\\.java$"); File[] files = dir.listFiles(fileFilter); for (int i = 0; i < files.length; i++) { System.out.println(files[i]); } 
```
@version $Id: RegexFileFilter.java 1563227 2014-01-31 19:45:30Z ggregory $ @since 1.4

        directory2.mkdirs();
        // Creation of a File Collection
        Collection<File> files = new ArrayList<File>();
        
        // move all files besides month 2 and 5 to the second directory and store them into a Collection
        for(File file : FileUtils.listFiles(directory1, new RegexFileFilter("world\\.20040[^25].*\\.tiff"), null)) {
            File renamed = new File(directory2, file.getName());
            assertTrue(file.renameTo(renamed));
            files.add(renamed);
        }
        // remove all mosaic related files
        for(File file : FileUtils.listFiles(directory1, new RegexFileFilter("time_geotiff.*"), null)) {
            assertTrue(file.delete());
        }
        
        // ok, let's create a mosaic with the two original granules
        URL harvestSingleURL = DataUtilities.fileToURL(directory1);

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        if(directory2.exists()) {
            FileUtils.deleteDirectory(directory2);
        } 
        directory2.mkdirs();
        // move all files besides month 2 and 5 to the second directory
        for(File file : FileUtils.listFiles(directory1, new RegexFileFilter("world\\.20040[^25].*\\.tiff"), null)) {
            File renamed = new File(directory2, file.getName());
            assertTrue(file.renameTo(renamed));
        }
        // remove all mosaic related files
        for(File file : FileUtils.listFiles(directory1, new RegexFileFilter("time_geotiff.*"), null)) {
            assertTrue(file.delete());
        }
        
        // ok, let's create a mosaic with the two original granules
        URL harvestSingleURL = DataUtilities.fileToURL(directory1);

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        if(directory2.exists()) {
            FileUtils.deleteDirectory(directory2);
        }
        directory2.mkdirs();
        // move all files besides month 2 and 5 to the second directory
        for(File file : FileUtils.listFiles(directory1, new RegexFileFilter("world\\.20040[^25].*\\.tiff"), null)) {
            File renamed = new File(directory2, file.getName());
            assertTrue(file.renameTo(renamed));
        }
        // remove all mosaic related files
        for(File file : FileUtils.listFiles(directory1, new RegexFileFilter("time_geotiff.*"), null)) {
            assertTrue(file.delete());
        }


        // Create a List of Files containing only the directory to harvest and check if the Reader reads it as a Directory
        List<File> files = new ArrayList<File>();

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        if(directory1.exists()) {
            FileUtils.deleteDirectory(directory1);
        }
        FileUtils.copyDirectory(source, directory1);
        // remove all files besides month 2 and 5
        for(File file : FileUtils.listFiles(directory1, new RegexFileFilter("world\\.20040[^25].*\\.tiff"), null)) {
            assertTrue(file.delete());
        }
        // remove all mosaic related files
        for(File file : FileUtils.listFiles(directory1, new RegexFileFilter("time_geotiff.*"), null)) {
            assertTrue(file.delete());
        }
        // move month 5 to another dir, we'll harvet it later
        String monthFiveName = "world.200405.3x5400x2700.tiff";
        File monthFive = new File(directory1, monthFiveName);

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        if(directory.exists()) {
            FileUtils.deleteDirectory(directory);
        }            
        FileUtils.copyDirectory(source, directory);
        // remove all files besides month 2
        for(File file : FileUtils.listFiles(directory, new RegexFileFilter("world\\.20040[^2].*\\.tiff"), null)) {
            assertTrue(file.delete());
        }
        // remove all mosaic related files
        for(File file : FileUtils.listFiles(directory, new RegexFileFilter("time_geotiff.*"), null)) {
            assertTrue(file.delete());
        }
        
        // ok, let's create a mosaic with the original granule
        URL harvestSingleURL = DataUtilities.fileToURL(directory);

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        if (directory1.exists()) {
            FileUtils.deleteDirectory(directory1);
        }
        FileUtils.copyDirectory(source, directory1);
        // remove all files besides month 2 and 5
        for (File file : FileUtils.listFiles(directory1, new RegexFileFilter(
                "world\\.20040[^25].*\\.tiff"), null)) {
            assertTrue(file.delete());
        }
        // remove all mosaic related files
        for (File file : FileUtils.listFiles(directory1, new RegexFileFilter("time_geotiff.*"),
                null)) {
            assertTrue(file.delete());
        }


        // Editing indexer RootMosaicDirectory path

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        if (mosaic.exists()) {
            FileUtils.deleteDirectory(mosaic);
        }
        mosaic.mkdirs();
        // get rid of pre-configured data
        for (File file : FileUtils.listFiles(data, new RegexFileFilter("time_geotiff.*"),
                null)) {
            assertTrue(file.delete());
        }
        // move the indexer config files into the mosaic direcotry
        for (File file : FileUtils.listFiles(data, new RegexFileFilter(".*\\.properties"),
                null)) {
            File moved = new File(mosaic, file.getName());
            assertTrue(file.renameTo(moved));
        }

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      final int expectedNumberOfJSFiles = 6;
      createAllPropertiesFiles();
      requireI18N.execute();
      Collection<File> requireFiles = FileUtils.listFiles(
            rootNlsDir.getParentFile(), 
            new RegexFileFilter("^(.*?)"), 
            DirectoryFileFilter.DIRECTORY
          );
      assertThat( requireFiles.size(), is(expectedNumberOfJSFiles));
    }

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  private static void createComparisons( String comparison, File lhsRoot, File rhsRoot, TestSuite suite )
    {
    LOG.info( "comparing directory: {}, with: {}", lhsRoot, rhsRoot );


    LinkedList<File> lhsFiles = new LinkedList<File>( FileUtils.listFiles( lhsRoot, new RegexFileFilter( "^[\\w-]+" ), TrueFileFilter.INSTANCE ) );
    LinkedList<File> rhsFiles = new LinkedList<File>();


    LOG.info( "found lhs files: {}", lhsFiles.size() );


    int rootLength = lhsRoot.toString().length() + 1;

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      LinkedList<String> lines = new LinkedList<String>();


      if( !localFile.isDirectory() )
        return populate( localFile, lines );


      Collection<File> subFiles = FileUtils.listFiles( localFile, new RegexFileFilter( "^part-.*" ), null );


      for( File subFile : subFiles )
        populate( subFile, lines );


      return lines;

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