public boolean delete() throws IOException {
        if (mIsUnderEdit) {
            throw new IOException("Try to delete an cache entry that has been being editing.");
        }
        FileUtils.deleteIfExists(getCacheFile());
        FileUtils.deleteIfExists(getTempFile());
        return true;
    }
public boolean delete() throws IOException {
        if (mIsUnderEdit) {
            throw new IOException("Try to delete an cache entry that has been being editing.");
        }
        FileUtils.deleteIfExists(getCacheFile());
        FileUtils.deleteIfExists(getTempFile());
        return true;
    }
public boolean delete ( ) throws IOException { if ( mIsUnderEdit ) { throw new IOException ( "Try to delete an cache entry that has been being editing." ) ; } FileUtils . deleteIfExists ( getCacheFile ( ) ) ; FileUtils . deleteIfExists ( getTempFile ( ) ) ; return true ; }
delete all content

@return
delete all content