Package org.apache.commons.io.filefilter
Class NotFileFilter
- java.lang.Object
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- org.apache.commons.io.filefilter.AbstractFileFilter
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- org.apache.commons.io.filefilter.NotFileFilter
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- All Implemented Interfaces:
java.io.FileFilter
,java.io.FilenameFilter
,java.io.Serializable
,IOFileFilter
public class NotFileFilter extends AbstractFileFilter implements java.io.Serializable
This filter produces a logical NOT of the filters specified.- Since:
- 1.0
- See Also:
FileFilterUtils.notFileFilter(IOFileFilter)
, Serialized Form
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Field Summary
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Fields inherited from interface org.apache.commons.io.filefilter.IOFileFilter
EMPTY_STRING_ARRAY
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Constructor Summary
Constructors Constructor Description NotFileFilter(IOFileFilter filter)
Constructs a new file filter that NOTs the result of another filter.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
accept(java.io.File file)
Returns the logical NOT of the underlying filter's return value for the same File.boolean
accept(java.io.File file, java.lang.String name)
Returns the logical NOT of the underlying filter's return value for the same arguments.java.lang.String
toString()
Provide a String representation of this file filter.
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Constructor Detail
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NotFileFilter
public NotFileFilter(IOFileFilter filter)
Constructs a new file filter that NOTs the result of another filter.- Parameters:
filter
- the filter, must not be null- Throws:
java.lang.IllegalArgumentException
- if the filter is null
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Method Detail
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accept
public boolean accept(java.io.File file)
Returns the logical NOT of the underlying filter's return value for the same File.- Specified by:
accept
in interfacejava.io.FileFilter
- Specified by:
accept
in interfaceIOFileFilter
- Overrides:
accept
in classAbstractFileFilter
- Parameters:
file
- the File to check- Returns:
- true if the filter returns false
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accept
public boolean accept(java.io.File file, java.lang.String name)
Returns the logical NOT of the underlying filter's return value for the same arguments.- Specified by:
accept
in interfacejava.io.FilenameFilter
- Specified by:
accept
in interfaceIOFileFilter
- Overrides:
accept
in classAbstractFileFilter
- Parameters:
file
- the File directoryname
- the file name- Returns:
- true if the filter returns false
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toString
public java.lang.String toString()
Provide a String representation of this file filter.- Overrides:
toString
in classAbstractFileFilter
- Returns:
- a String representation
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