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java.lang.Objectorg.apache.commons.io.filefilter.AbstractFileFilter
org.apache.commons.io.filefilter.CanReadFileFilter
public class CanReadFileFilter
This filter accepts Files 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]);
}
| Field Summary | |
|---|---|
static IOFileFilter |
CAN_READ
Singleton instance of readable filter |
static IOFileFilter |
CANNOT_READ
Singleton instance of not readable filter |
static IOFileFilter |
READ_ONLY
Singleton instance of read-only filter |
| Constructor Summary | |
|---|---|
protected |
CanReadFileFilter()
Restrictive consructor. |
| Method Summary | |
|---|---|
boolean |
accept(File file)
Checks to see if the file can be read. |
| Methods inherited from class org.apache.commons.io.filefilter.AbstractFileFilter |
|---|
accept, toString |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
public static final IOFileFilter CAN_READ
public static final IOFileFilter CANNOT_READ
public static final IOFileFilter READ_ONLY
| Constructor Detail |
|---|
protected CanReadFileFilter()
| Method Detail |
|---|
public boolean accept(File file)
accept in interface FileFilteraccept in interface IOFileFilteraccept in class AbstractFileFilterfile - the File to check.
true if the file can be
read, otherwise false.
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