public class PrefixFileFilter extends AbstractFileFilter implements java.io.Serializable
For example, to print all files and directories in the
current directory whose name starts with Test
:
File dir = new File("."); String[] files = dir.list( new PrefixFileFilter("Test") ); for ( int i = 0; i < files.length; i++ ) { System.out.println(files[i]); }
Constructor and Description |
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PrefixFileFilter(java.util.List<java.lang.String> prefixes)
Constructs a new Prefix file filter for a list of prefixes.
|
PrefixFileFilter(java.util.List<java.lang.String> prefixes,
IOCase caseSensitivity)
Constructs a new Prefix file filter for a list of prefixes
specifying case-sensitivity.
|
PrefixFileFilter(java.lang.String prefix)
Constructs a new Prefix file filter for a single prefix.
|
PrefixFileFilter(java.lang.String[] prefixes)
Constructs a new Prefix file filter for any of an array of prefixes.
|
PrefixFileFilter(java.lang.String[] prefixes,
IOCase caseSensitivity)
Constructs a new Prefix file filter for any of an array of prefixes
specifying case-sensitivity.
|
PrefixFileFilter(java.lang.String prefix,
IOCase caseSensitivity)
Constructs a new Prefix file filter for a single prefix
specifying case-sensitivity.
|
Modifier and Type | Method and Description |
---|---|
boolean |
accept(java.io.File file)
Checks to see if the filename starts with the prefix.
|
boolean |
accept(java.io.File file,
java.lang.String name)
Checks to see if the filename starts with the prefix.
|
java.lang.String |
toString()
Provide a String representation of this file filter.
|
public PrefixFileFilter(java.lang.String prefix)
prefix
- the prefix to allow, must not be nulljava.lang.IllegalArgumentException
- if the prefix is nullpublic PrefixFileFilter(java.lang.String prefix, IOCase caseSensitivity)
prefix
- the prefix to allow, must not be nullcaseSensitivity
- how to handle case sensitivity, null means case-sensitivejava.lang.IllegalArgumentException
- if the prefix is nullpublic PrefixFileFilter(java.lang.String[] prefixes)
The array is not cloned, so could be changed after constructing the instance. This would be inadvisable however.
prefixes
- the prefixes to allow, must not be nulljava.lang.IllegalArgumentException
- if the prefix array is nullpublic PrefixFileFilter(java.lang.String[] prefixes, IOCase caseSensitivity)
prefixes
- the prefixes to allow, must not be nullcaseSensitivity
- how to handle case sensitivity, null means case-sensitivejava.lang.IllegalArgumentException
- if the prefix is nullpublic PrefixFileFilter(java.util.List<java.lang.String> prefixes)
prefixes
- the prefixes to allow, must not be nulljava.lang.IllegalArgumentException
- if the prefix list is nulljava.lang.ClassCastException
- if the list does not contain Stringspublic PrefixFileFilter(java.util.List<java.lang.String> prefixes, IOCase caseSensitivity)
prefixes
- the prefixes to allow, must not be nullcaseSensitivity
- how to handle case sensitivity, null means case-sensitivejava.lang.IllegalArgumentException
- if the prefix list is nulljava.lang.ClassCastException
- if the list does not contain Stringspublic boolean accept(java.io.File file)
accept
in interface java.io.FileFilter
accept
in interface IOFileFilter
accept
in class AbstractFileFilter
file
- the File to checkpublic boolean accept(java.io.File file, java.lang.String name)
accept
in interface java.io.FilenameFilter
accept
in interface IOFileFilter
accept
in class AbstractFileFilter
file
- the File directoryname
- the filenamepublic java.lang.String toString()
toString
in class AbstractFileFilter
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