Package javax.jms

Examples of javax.jms.BytesMessage.readBytes()

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      assertEquals(6, ret);

      assertByteArraysEqual(myBytes, bytes);

      byte[] bytes2 = new byte[3];
      ret = m2.readBytes(bytes2);

      assertEquals(3, ret);

      assertEquals(myBytes[2], bytes2[0]);
      assertEquals(myBytes[3], bytes2[1]);
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      assertEquals(myFloat, m2.readFloat(), 0);
      assertEquals(myDouble, m2.readDouble(), 0);
      assertEquals(myString, m2.readUTF());

      bytes = new byte[6];
      ret = m2.readBytes(bytes);
      assertEquals(6, ret);
      assertByteArraysEqual(myBytes, bytes);

      ret = m2.readBytes(bytes);
      assertEquals(-1, ret);
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      bytes = new byte[6];
      ret = m2.readBytes(bytes);
      assertEquals(6, ret);
      assertByteArraysEqual(myBytes, bytes);

      ret = m2.readBytes(bytes);
      assertEquals(-1, ret);

      // Try and read past the end of the stream
      try
      {
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         // OK
      }
      try
      {
         byte[] bytes = new byte[333];
         m.readBytes(bytes);
         fail();
      }
      catch (javax.jms.MessageNotReadableException e)
      {
         // OK
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         // OK
      }
      try
      {
         byte[] bytes = new byte[333];
         m.readBytes(bytes, 111);
         fail();
      }
      catch (javax.jms.MessageNotReadableException e)
      {
         // OK
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      BytesMessage bm = (BytesMessage)m;

      assertEquals(true, bm.readBoolean());
      assertEquals((byte)3, bm.readByte());
      byte[] bytes = new byte[3];
      bm.readBytes(bytes);
      assertEquals((byte)4, bytes[0]);
      assertEquals((byte)5, bytes[1]);
      assertEquals((byte)6, bytes[2]);
      assertEquals((char)7, bm.readChar());
      assertEquals(new Double(8.0), new Double(bm.readDouble()));
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        BytesMessage byteMsg = (BytesMessage)m;
       
        StringBuffer sb = new StringBuffer();
        byte[] buffer = new byte[1024];
        int n = byteMsg.readBytes(buffer);
        while (n != -1)
        {
           sb.append(new String(buffer,0,n));
           n = byteMsg.readBytes(buffer);
        }
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        byte[] buffer = new byte[1024];
        int n = byteMsg.readBytes(buffer);
        while (n != -1)
        {
           sb.append(new String(buffer,0,n));
           n = byteMsg.readBytes(buffer);
        }
        assertEquals("jboss messaging",sb.toString());    
    }
}
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    }

    public void testByteMessageNullContentInJmsVersion_1_0_1() throws Exception
    {
        BytesMessage mockMessage1 = mock(BytesMessage.class);
        when(mockMessage1.readBytes((byte[]) anyObject())).thenReturn(-1);

        byte[] result1 = JmsMessageUtils.toByteArray(mockMessage1, JmsConstants.JMS_SPECIFICATION_102B,
            ENCODING);
        assertNotNull(result1);
        assertEquals("Should return an empty byte array.", 0, result1.length);
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        BytesMessage message = (BytesMessage) JmsMessageUtils.toMessage(bytesArray, session);

        // Makes the message readable
        message.reset();
        byte[] bytesArrayResult = new byte[(int) message.getBodyLength()];
        int length = message.readBytes(bytesArrayResult);
        assertEquals(2, length);
        assertEquals(bytesArray[0], bytesArrayResult[0]);
        assertEquals(bytesArray[1], bytesArrayResult[1]);
    }
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