Examples of freenet.support.api.RandomAccessBuffer.pread()

Class freenet.support.api.RandomAccessBuffer

Examples of freenet.support.api.RandomAccessBuffer.pread()

freenet.support.api.RandomAccessBuffer.pread()
Read a block of data from a specific location in the file. Guaranteed to read the whole range or to throw, like DataInputStream.readFully(). Must throw if the file is closed. @param fileOffset The offset within the file to read from. @param buf The buffer to write to. @param bufOffset The offset within the buffer to the first read byte. @param length The length of data to read. @throws IOException If we were unable to read the required number of bytes etc. @throws IllegalArgumentException If fileOffset is negative.

            int toRead = maxRead == 1 ? 1 : r.nextInt(maxRead-1)+1;
            byte[] buf = new byte[toRead];
            for(int i=0;i<buf.length;i++) buf[i] = f.getByte(i+x);
            raf.pwrite(x, buf, 0, toRead);
            for(int i=0;i<buf.length;i++) buf[i] = (byte)~buf[i];
            raf.pread(x, buf, 0, toRead);
            for(int i=0;i<buf.length;i++) assertEquals(buf[i], f.getByte(i+x));
            x += toRead;
        }
        // Read
        while(x < sz) {

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        // Read
        while(x < sz) {
            int maxRead = (int)Math.min(BUFFER_SIZE, sz - x);
            int toRead = r.nextInt(maxRead-1)+1;
            byte[] buf = new byte[toRead];
            raf.pread(x, buf, 0, toRead);
            for(int i=0;i<buf.length;i++) assertEquals(buf[i], f.getByte(i+x));
            x += toRead;
        }
        x = 0;
        raf.close();

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