public class CanWriteFileFilter extends AbstractFileFilter implements Serializable
Files that can be written to.
Example, showing how to print out a list of the current directory's writable files:
File dir = new File(".");
String[] files = dir.list( CanWriteFileFilter.CAN_WRITE );
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-writable files:
File dir = new File(".");
String[] files = dir.list( CanWriteFileFilter.CANNOT_WRITE );
for ( int i = 0; i < files.length; i++ ) {
System.out.println(files[i]);
}
N.B. For read-only files, use
CanReadFileFilter.READ_ONLY.
| 限定符和类型 | 字段和说明 |
|---|---|
static IOFileFilter |
CAN_WRITE
Singleton instance of writable filter
|
static IOFileFilter |
CANNOT_WRITE
Singleton instance of not writable filter
|
| 限定符 | 构造器和说明 |
|---|---|
protected |
CanWriteFileFilter()
Restrictive consructor.
|
public static final IOFileFilter CAN_WRITE
public static final IOFileFilter CANNOT_WRITE
public boolean accept(File file)
accept 在接口中 FileFilteraccept 在接口中 IOFileFilteraccept 在类中 AbstractFileFilterfile - the File to checktrue if the file can be
written to, otherwise false.