Package org.apache.james.mime4j.util

Examples of org.apache.james.mime4j.util.ByteArrayBuffer

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        ByteArrayOutputStream outstream = new ByteArrayOutputStream();

        DefaultMessageWriter writer = new DefaultMessageWriter();
        writer.writeHeader(header, outstream);
        byte[] b = outstream.toByteArray();
        ByteArrayBuffer buf = new ByteArrayBuffer(b.length);
        buf.append(b, 0, b.length);
        String s = ContentUtil.decode(buf);

        assertEquals("Hello: " + SWISS_GERMAN_HELLO + "\r\n\r\n", s);
    }
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@NotThreadSafe // parent is @NotThreadSafe
public class HttpMultipart extends Multipart {

    private static ByteArrayBuffer encode(Charset charset, String string) {
        ByteBuffer encoded = charset.encode(CharBuffer.wrap(string));
        ByteArrayBuffer bab = new ByteArrayBuffer(encoded.remaining());
        bab.append(encoded.array(), encoded.position(), encoded.remaining());
        return bab;
    }
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        boolean writeContent) throws IOException {
       
        List<BodyPart> bodyParts = getBodyParts();
        Charset charset = getCharset();

        ByteArrayBuffer boundary = encode(charset, getBoundary());
       
        switch (mode) {
        case STRICT:
            String preamble = getPreamble();
            if (preamble != null && preamble.length() != 0) {
                ByteArrayBuffer b = encode(charset, preamble);
                writeBytes(b, out);
                writeBytes(CR_LF, out);
            }

            for (int i = 0; i < bodyParts.size(); i++) {
                writeBytes(TWO_DASHES, out);
                writeBytes(boundary, out);
                writeBytes(CR_LF, out);

                BodyPart part = bodyParts.get(i);
                Header header = part.getHeader();
               
                List<Field> fields = header.getFields();
                for (Field field: fields) {
                    writeBytes(field.getRaw(), out);
                    writeBytes(CR_LF, out);
                }
                writeBytes(CR_LF, out);
                if (writeContent) {
                    MessageWriter.DEFAULT.writeBody(part.getBody(), out);
                }
                writeBytes(CR_LF, out);
            }
            writeBytes(TWO_DASHES, out);
            writeBytes(boundary, out);
            writeBytes(TWO_DASHES, out);
            writeBytes(CR_LF, out);
            String epilogue = getEpilogue();
            if (epilogue != null && epilogue.length() != 0) {
                ByteArrayBuffer b = encode(charset, epilogue);
                writeBytes(b, out);
                writeBytes(CR_LF, out);
            }
            break;
        case BROWSER_COMPATIBLE:
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* Unit tests for {@link ByteArrayBuffer}.
*/
public class TestByteArrayBuffer extends TestCase {

    public void testConstructor() throws Exception {
        ByteArrayBuffer buffer = new ByteArrayBuffer(16);
        assertEquals(16, buffer.capacity());
        assertEquals(0, buffer.length());
        assertNotNull(buffer.buffer());
        assertEquals(16, buffer.buffer().length);
        try {
            new ByteArrayBuffer(-1);
            fail("IllegalArgumentException should have been thrown");
        } catch (IllegalArgumentException ex) {
            // expected
        }
    }
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            // expected
        }
    }
   
    public void testSimpleAppend() throws Exception {
        ByteArrayBuffer buffer = new ByteArrayBuffer(16);
        assertEquals(16, buffer.capacity());
        assertEquals(0, buffer.length());
        byte[] b1 = buffer.toByteArray();
        assertNotNull(b1);
        assertEquals(0, b1.length);
        assertTrue(buffer.isEmpty());
        assertFalse(buffer.isFull());
       
        byte[] tmp = new byte[] { 1, 2, 3, 4};
        buffer.append(tmp, 0, tmp.length);
        assertEquals(16, buffer.capacity());
        assertEquals(4, buffer.length());
        assertFalse(buffer.isEmpty());
        assertFalse(buffer.isFull());
       
        byte[] b2 = buffer.toByteArray();
        assertNotNull(b2);
        assertEquals(4, b2.length);
        for (int i = 0; i < tmp.length; i++) {
            assertEquals(tmp[i], b2[i]);
            assertEquals(tmp[i], buffer.byteAt(i));
        }
        buffer.clear();
        assertEquals(16, buffer.capacity());
        assertEquals(0, buffer.length());
        assertTrue(buffer.isEmpty());
        assertFalse(buffer.isFull());
    }
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        assertTrue(buffer.isEmpty());
        assertFalse(buffer.isFull());
    }
   
    public void testExpandAppend() throws Exception {
        ByteArrayBuffer buffer = new ByteArrayBuffer(4);
        assertEquals(4, buffer.capacity());
       
        byte[] tmp = new byte[] { 1, 2, 3, 4};
        buffer.append(tmp, 0, 2);
        buffer.append(tmp, 0, 4);
        buffer.append(tmp, 0, 0);

        assertEquals(8, buffer.capacity());
        assertEquals(6, buffer.length());
       
        buffer.append(tmp, 0, 4);
       
        assertEquals(16, buffer.capacity());
        assertEquals(10, buffer.length());
    }
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        assertEquals(16, buffer.capacity());
        assertEquals(10, buffer.length());
    }
   
    public void testInvalidAppend() throws Exception {
        ByteArrayBuffer buffer = new ByteArrayBuffer(4);
        buffer.append((byte[])null, 0, 0);

        byte[] tmp = new byte[] { 1, 2, 3, 4};
        try {
            buffer.append(tmp, -1, 0);
            fail("IndexOutOfBoundsException should have been thrown");
        } catch (IndexOutOfBoundsException ex) {
            // expected
        }
        try {
            buffer.append(tmp, 0, -1);
            fail("IndexOutOfBoundsException should have been thrown");
        } catch (IndexOutOfBoundsException ex) {
            // expected
        }
        try {
            buffer.append(tmp, 0, 8);
            fail("IndexOutOfBoundsException should have been thrown");
        } catch (IndexOutOfBoundsException ex) {
            // expected
        }
        try {
            buffer.append(tmp, 10, Integer.MAX_VALUE);
            fail("IndexOutOfBoundsException should have been thrown");
        } catch (IndexOutOfBoundsException ex) {
            // expected
        }
        try {
            buffer.append(tmp, 2, 4);
            fail("IndexOutOfBoundsException should have been thrown");
        } catch (IndexOutOfBoundsException ex) {
            // expected
        }
    }
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            // expected
        }
    }

    public void testAppendOneByte() throws Exception {
        ByteArrayBuffer buffer = new ByteArrayBuffer(4);
        assertEquals(4, buffer.capacity());
       
        byte[] tmp = new byte[] { 1, 127, -1, -128, 1, -2};
        for (int i = 0; i < tmp.length; i++) {
            buffer.append(tmp[i]);
        }
        assertEquals(8, buffer.capacity());
        assertEquals(6, buffer.length());
       
        for (int i = 0; i < tmp.length; i++) {
            assertEquals(tmp[i], buffer.byteAt(i));
        }
    }
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            assertEquals(tmp[i], buffer.byteAt(i));
        }
    }
   
    public void testSetLength() throws Exception {
        ByteArrayBuffer buffer = new ByteArrayBuffer(4);
        buffer.setLength(2);
        assertEquals(2, buffer.length());
    }
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        buffer.setLength(2);
        assertEquals(2, buffer.length());
    }
   
    public void testSetInvalidLength() throws Exception {
        ByteArrayBuffer buffer = new ByteArrayBuffer(4);
        try {
            buffer.setLength(-2);
            fail("IndexOutOfBoundsException should have been thrown");
        } catch (IndexOutOfBoundsException ex) {
            // expected
        }
        try {
            buffer.setLength(200);
            fail("IndexOutOfBoundsException should have been thrown");
        } catch (IndexOutOfBoundsException ex) {
            // expected
        }
    }
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