org.apache.commons.io.filefilter
Class RegexFileFilter
- FileFilter, FilenameFilter, Serializable, IOFileFilter
public class RegexFileFilter
implements Serializable
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 <32files.length; i++) {
System.out.println(files[i]);
}
private Pattern | pattern - The regular expression pattern that will be used to match filenames
|
RegexFileFilter(Pattern pattern) - Construct a new regular expression filter for a compiled regular expression
|
RegexFileFilter(String pattern) - Construct a new regular expression filter.
|
RegexFileFilter(String pattern, int flags) - Construct a new regular expression filter with the specified flags.
|
RegexFileFilter(String pattern, IOCase caseSensitivity) - Construct a new regular expression filter with the specified flags case sensitivity.
|
boolean | accept(File dir, String name) - Checks to see if the filename matches one of the regular expressions.
|
pattern
private final Pattern pattern
The regular expression pattern that will be used to match filenames
RegexFileFilter
public RegexFileFilter(Pattern pattern)
Construct a new regular expression filter for a compiled regular expression
pattern
- regular expression to match
RegexFileFilter
public RegexFileFilter(String pattern)
Construct a new regular expression filter.
pattern
- regular string expression to match
RegexFileFilter
public RegexFileFilter(String pattern,
int flags)
Construct a new regular expression filter with the specified flags.
pattern
- regular string expression to matchflags
- pattern flags - e.g. Pattern.CASE_INSENSITIVE
RegexFileFilter
public RegexFileFilter(String pattern,
IOCase caseSensitivity)
Construct a new regular expression filter with the specified flags case sensitivity.
pattern
- regular string expression to matchcaseSensitivity
- how to handle case sensitivity, null means case-sensitive
accept
public boolean accept(File dir,
String name)
Checks to see if the filename matches one of the regular expressions.
- accept in interface IOFileFilter
- accept in interface AbstractFileFilter
dir
- the file directoryname
- the filename
- true if the filename matches one of the regular expressions
Copyright (c) 2002-2008 Apache Software Foundation