Package org.apache.commons.vfs2.filter
Class PrefixFileFilter
java.lang.Object
org.apache.commons.vfs2.filter.PrefixFileFilter
- All Implemented Interfaces:
Serializable,FileFilter
Filters file names for a certain prefix.
For example, to print all files and directories in the current directory
whose name starts with a .:
FileSystemManager fsManager = VFS.getManager();
FileObject dir = fsManager.toFileObject(new File("."));
FileObject[] files = dir.findFiles(new FileFilterSelector(new PrefixFileFilter(".")));
for (int i = 0; i < files.length; i++) {
System.out.println(files[i]);
}
- Since:
- 2.4
- Author:
- This code was originally ported from Apache Commons IO File Filter
- See Also:
-
Constructor Summary
ConstructorsConstructorDescriptionPrefixFileFilter(String... prefixes) Constructs a new Prefix file filter for any of an array of prefixes.PrefixFileFilter(List<String> prefixes) Constructs a new Prefix file filter for a list of prefixes.PrefixFileFilter(IOCase caseSensitivity, String... prefixes) Constructs a new Prefix file filter for any of an array of prefixes specifying case-sensitivity.PrefixFileFilter(IOCase caseSensitivity, List<String> prefixes) Constructs a new Prefix file filter for a list of prefixes specifying case-sensitivity. -
Method Summary
Modifier and TypeMethodDescriptionbooleanaccept(FileSelectInfo fileSelectInfo) Checks to see if the file name starts with the prefix.toString()Provide a String representation of this file filter.
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Constructor Details
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PrefixFileFilter
Constructs a new Prefix file filter for a list of prefixes specifying case-sensitivity.- Parameters:
caseSensitivity- how to handle case sensitivity, null means case-sensitiveprefixes- the prefixes to allow, must not be null
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PrefixFileFilter
Constructs a new Prefix file filter for any of an array of prefixes specifying case-sensitivity.- Parameters:
caseSensitivity- how to handle case sensitivity, null means case-sensitiveprefixes- the prefixes to allow, must not be null
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PrefixFileFilter
Constructs a new Prefix file filter for a list of prefixes.- Parameters:
prefixes- the prefixes to allow, must not be null
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PrefixFileFilter
Constructs a new Prefix file filter for any of an array of prefixes.The array is not cloned, so could be changed after constructing the instance. This would be inadvisable however.
- Parameters:
prefixes- the prefixes to allow, must not be null
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Method Details
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accept
Checks to see if the file name starts with the prefix.- Specified by:
acceptin interfaceFileFilter- Parameters:
fileSelectInfo- the File to check- Returns:
- true if the file name starts with one of our prefixes
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toString
Provide a String representation of this file filter.
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