Package org.apache.commons.vfs2.filter
Class CanReadFileFilter
java.lang.Object
org.apache.commons.vfs2.filter.CanReadFileFilter
- All Implemented Interfaces:
Serializable,FileFilter
This filter accepts
Files that can be read.
Example, showing how to print out a list of the current directory's readable files:
FileSystemManager fsManager = VFS.getManager();
FileObject dir = fsManager.toFileObject(new File("."));
FileObject[] files = dir.findFiles(new FileFilterSelector(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:
FileSystemManager fsManager = VFS.getManager();
FileObject dir = fsManager.toFileObject(new File("."));
FileObject[] files = dir.findFiles(new FileFilterSelector(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:
FileSystemManager fsManager = VFS.getManager();
FileObject dir = fsManager.toFileObject(new File("."));
FileObject[] files = dir.findFiles(new FileFilterSelector(CanReadFileFilter.READ_ONLY));
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:
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Field Summary
FieldsModifier and TypeFieldDescriptionstatic final FileFilterSingleton instance of readable filter.static final FileFilterSingleton instance of not readable filter.static final FileFilterSingleton instance of read-only filter. -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionbooleanaccept(FileSelectInfo fileSelectInfo) Checks to see if the file can be read.
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Field Details
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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:
acceptin interfaceFileFilter- Parameters:
fileSelectInfo- the File to check.- Returns:
trueif the file can be read, otherwisefalse.- Throws:
FileSystemException- Thrown for file system errors.
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