java.io.FileFilter
, java.io.FilenameFilter
, java.io.Serializable
, IOFileFilter
public class RegexFileFilter extends AbstractFileFilter implements java.io.Serializable
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]); }
Modifier and Type | Field | Description |
---|---|---|
private java.util.regex.Pattern |
pattern |
The regular expression pattern that will be used to match filenames
|
Constructor | Description |
---|---|
RegexFileFilter(java.lang.String pattern) |
Construct a new regular expression filter.
|
RegexFileFilter(java.lang.String pattern,
int flags) |
Construct a new regular expression filter with the specified flags.
|
RegexFileFilter(java.lang.String pattern,
IOCase caseSensitivity) |
Construct a new regular expression filter with the specified flags case sensitivity.
|
RegexFileFilter(java.util.regex.Pattern pattern) |
Construct a new regular expression filter for a compiled regular expression
|
Modifier and Type | Method | Description |
---|---|---|
boolean |
accept(java.io.File dir,
java.lang.String name) |
Checks to see if the filename matches one of the regular expressions.
|
accept, toString
private final java.util.regex.Pattern pattern
public RegexFileFilter(java.lang.String pattern)
pattern
- regular string expression to matchjava.lang.IllegalArgumentException
- if the pattern is nullpublic RegexFileFilter(java.lang.String pattern, IOCase caseSensitivity)
pattern
- regular string expression to matchcaseSensitivity
- how to handle case sensitivity, null means case-sensitivejava.lang.IllegalArgumentException
- if the pattern is nullpublic RegexFileFilter(java.lang.String pattern, int flags)
pattern
- regular string expression to matchflags
- pattern flags - e.g. Pattern.CASE_INSENSITIVE
java.lang.IllegalArgumentException
- if the pattern is nullpublic RegexFileFilter(java.util.regex.Pattern pattern)
pattern
- regular expression to matchjava.lang.IllegalArgumentException
- if the pattern is nullpublic boolean accept(java.io.File dir, java.lang.String name)
accept
in interface java.io.FilenameFilter
accept
in interface IOFileFilter
accept
in class AbstractFileFilter
dir
- the file directory (ignored)name
- the filenameCopyright (c) 2002-2017 Apache Software Foundation