Package org.apache.mina.core.buffer

Examples of org.apache.mina.core.buffer.IoBuffer.position()

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        CharsetEncoder encoder;
        IoBuffer buf = IoBuffer.allocate(16);
        encoder = Charset.forName("ISO-8859-1").newEncoder();

        buf.putString("ABC", encoder);
        assertEquals(3, buf.position());
        buf.clear();
        assertEquals('A', buf.get(0));
        assertEquals('B', buf.get(1));
        assertEquals('C', buf.get(2));
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        assertEquals('A', buf.get(0));
        assertEquals('B', buf.get(1));
        assertEquals('C', buf.get(2));

        buf.putString("D", 5, encoder);
        assertEquals(5, buf.position());
        buf.clear();
        assertEquals('D', buf.get(0));
        assertEquals(0, buf.get(1));

        buf.putString("EFG", 2, encoder);
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        buf.clear();
        assertEquals('D', buf.get(0));
        assertEquals(0, buf.get(1));

        buf.putString("EFG", 2, encoder);
        assertEquals(2, buf.position());
        buf.clear();
        assertEquals('E', buf.get(0));
        assertEquals('F', buf.get(1));
        assertEquals('C', buf.get(2)); // C may not be overwritten
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        // UTF-16: We specify byte order to omit BOM.
        encoder = Charset.forName("UTF-16BE").newEncoder();
        buf.clear();

        buf.putString("ABC", encoder);
        assertEquals(6, buf.position());
        buf.clear();

        assertEquals(0, buf.get(0));
        assertEquals('A', buf.get(1));
        assertEquals(0, buf.get(2));
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        assertEquals('B', buf.get(3));
        assertEquals(0, buf.get(4));
        assertEquals('C', buf.get(5));

        buf.putString("D", 10, encoder);
        assertEquals(10, buf.position());
        buf.clear();
        assertEquals(0, buf.get(0));
        assertEquals('D', buf.get(1));
        assertEquals(0, buf.get(2));
        assertEquals(0, buf.get(3));
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        assertEquals('D', buf.get(1));
        assertEquals(0, buf.get(2));
        assertEquals(0, buf.get(3));

        buf.putString("EFG", 4, encoder);
        assertEquals(4, buf.position());
        buf.clear();
        assertEquals(0, buf.get(0));
        assertEquals('E', buf.get(1));
        assertEquals(0, buf.get(2));
        assertEquals('F', buf.get(3));
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        assertEquals(0, buf.get(4)); // C may not be overwritten
        assertEquals('C', buf.get(5)); // C may not be overwritten

        // Test putting an emptry string
        buf.putString("", encoder);
        assertEquals(0, buf.position());
        buf.putString("", 4, encoder);
        assertEquals(4, buf.position());
        assertEquals(0, buf.get(0));
        assertEquals(0, buf.get(1));
    }
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        // Test putting an emptry string
        buf.putString("", encoder);
        assertEquals(0, buf.position());
        buf.putString("", 4, encoder);
        assertEquals(4, buf.position());
        assertEquals(0, buf.get(0));
        assertEquals(0, buf.get(1));
    }

    @Test
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        buf.fillAndReset(buf.remaining());
        encoder = Charset.forName("ISO-8859-1").newEncoder();

        // Without autoExpand
        buf.putPrefixedString("ABC", encoder);
        assertEquals(5, buf.position());
        assertEquals(0, buf.get(0));
        assertEquals(3, buf.get(1));
        assertEquals('A', buf.get(2));
        assertEquals('B', buf.get(3));
        assertEquals('C', buf.get(4));
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        // With autoExpand
        buf.clear();
        buf.setAutoExpand(true);
        buf.putPrefixedString("123456789012345", encoder);
        assertEquals(17, buf.position());
        assertEquals(0, buf.get(0));
        assertEquals(15, buf.get(1));
        assertEquals('1', buf.get(2));
        assertEquals('2', buf.get(3));
        assertEquals('3', buf.get(4));
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