Package org.apache.http.util

Examples of org.apache.http.util.ByteArrayBuffer

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        writeBytes(b, out);
    }

    private static void writeBytes(
            final String s, final OutputStream out) throws IOException {
        ByteArrayBuffer b = encode(MIME.DEFAULT_CHARSET, s);
        writeBytes(b, out);
    }
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    private void doWriteTo(
        final HttpMultipartMode mode,
        final OutputStream out,
        boolean writeContent) throws IOException {

        ByteArrayBuffer boundary = encode(this.charset, getBoundary());
        for (FormBodyPart part: this.parts) {
            writeBytes(TWO_DASHES, out);
            writeBytes(boundary, out);
            writeBytes(CR_LF, out);
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        }
        this.instream = instream;
        this.buffer = new byte[buffersize];
        this.bufferpos = 0;
        this.bufferlen = 0;
        this.linebuffer = new ByteArrayBuffer(buffersize);
        this.charset = Charset.forName(HttpProtocolParams.getHttpElementCharset(params));
        this.ascii = this.charset.equals(ASCII);
        this.decoder = null;
        this.maxLineLen = params.getIntParameter(CoreConnectionPNames.MAX_LINE_LENGTH, -1);
        this.minChunkLimit = params.getIntParameter(CoreConnectionPNames.MIN_CHUNK_LIMIT, 512);
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        }
        if (params == null) {
            throw new IllegalArgumentException("HTTP parameters may not be null");
        }
        this.outstream = outstream;
        this.buffer = new ByteArrayBuffer(buffersize);
        this.charset = Charset.forName(HttpProtocolParams.getHttpElementCharset(params));
        this.ascii = this.charset.equals(ASCII);
        this.encoder = null;
        this.minChunkLimit = params.getIntParameter(CoreConnectionPNames.MIN_CHUNK_LIMIT, 512);
        this.metrics = createTransportMetrics();
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  {
    super(entity);
    if (!entity.isRepeatable() || entity.getContentLength() < 0)
    {
      InputStream instream = entity.getContent();
      ByteArrayBuffer buf = new ByteArrayBuffer(4096);
      try
      {
        byte[] tmp = new byte[4096];
        long total = 0;
        int l;
        while ((l = instream.read(tmp)) != -1)
        {
          buf.append(tmp, 0, l);
          total += l;
          if (maxlen > 0 && total >= maxlen) {
            throw new ContentTooLongException("Content length exceeds " + maxlen + " byte limit");
          }
        }
        this.buffer = buf.toByteArray();
      } finally
      {
        instream.close();
      }
    } else
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    public static Test suite() {
        return new TestSuite(TestByteArrayBuffer.class);
    }

    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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