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
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RegexFileFilter(Pattern pattern)- Construct a new regular expression filter for a compiled regular expression
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RegexFileFilter(String pattern)- Construct a new regular expression filter.
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RegexFileFilter(String pattern, int flags)- Construct a new regular expression filter with the specified flags.
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RegexFileFilter(String pattern, IOCase caseSensitivity)- Construct a new regular expression filter with the specified flags case sensitivity.
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boolean | accept(File dir, String name)- Checks to see if the filename matches one of the regular expressions.
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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) 2002-2010 Apache Software Foundation