Package org.apache.commons.io.filefilter
Class CanReadFileFilter
java.lang.Object
org.apache.commons.io.filefilter.AbstractFileFilter
org.apache.commons.io.filefilter.CanReadFileFilter
- All Implemented Interfaces:
FileFilter
,FilenameFilter
,Serializable
,IOFileFilter
This filter accepts
File
s that can be read.
Example, showing how to print out a list of the current directory's readable files:
File dir = new File("."); String[] files = dir.list( CanReadFileFilter.CAN_READ ); for ( int i = 0; i < files.length; i++ ) { System.out.println(files[i]); }
Example, showing how to print out a list of the current directory's un-readable files:
File dir = new File("."); String[] files = dir.list( CanReadFileFilter.CANNOT_READ ); for ( int i = 0; i < files.length; i++ ) { System.out.println(files[i]); }
Example, showing how to print out a list of the current directory's read-only files:
File dir = new File("."); String[] files = dir.list( CanReadFileFilter.READ_ONLY ); for ( int i = 0; i < files.length; i++ ) { System.out.println(files[i]); }
- Since:
- 1.3
- See Also:
-
Field Summary
FieldsModifier and TypeFieldDescriptionstatic final IOFileFilter
Singleton instance of readable filterstatic final IOFileFilter
Singleton instance of not readable filterstatic final IOFileFilter
Singleton instance of read-only filterprivate static final long
Fields inherited from interface org.apache.commons.io.filefilter.IOFileFilter
EMPTY_STRING_ARRAY
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Constructor Summary
Constructors -
Method Summary
Methods inherited from class org.apache.commons.io.filefilter.AbstractFileFilter
accept, toString
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Field Details
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serialVersionUID
private static final long serialVersionUID- See Also:
-
CAN_READ
Singleton instance of readable filter -
CANNOT_READ
Singleton instance of not readable filter -
READ_ONLY
Singleton instance of read-only filter
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Constructor Details
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CanReadFileFilter
protected CanReadFileFilter()Restrictive constructor.
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Method Details
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accept
Checks to see if the file can be read.- Specified by:
accept
in interfaceFileFilter
- Specified by:
accept
in interfaceIOFileFilter
- Overrides:
accept
in classAbstractFileFilter
- Parameters:
file
- the File to check.- Returns:
true
if the file can be read, otherwisefalse
.
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