Examples of java.nio.CharBuffer.array()

java.nio.CharBuffer.array()
Returns the char array which this buffer is based on, if there's one. @return The char array which this buffer is based on @exception ReadOnlyBufferException If this buffer is based on an array, but it is readonly @exception UnsupportedOperationException If this buffer is not based on an array

                //             is longer in length than the number of characters
                //             decoded. Hence, the check below to ensure the
                //             char[] returned contains all the chars that have
                //             been decoded and no more.
                if (charBuf.limit() == charBuf.capacity()) {
                    buffer = charBuf.array();
                } else {
                    buffer = new char[charBuf.limit()];
                    charBuf.get(buffer, 0, charBuf.limit()).position(0);
                }

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                        charBuffer = decoder.decode(buf);
                    } catch (CharacterCodingException e) {
                        throw Utils.asRuntime(e);
                    }
                    buf.limit(buf.capacity());
                    String s = new String(charBuffer.array(), charBuffer.arrayOffset(), charBuffer.limit());
                    buf.position(0);
                    return s;
                } else {
                    return "";
                }

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        // new String(byte[], int, int, Charset) takes a defensive copy of the
        // entire byte array. This is expensive if only a small subset of the
        // bytes will be used. The code below is from Apache Harmony.
        CharBuffer cb;
        cb = charset.decode(ByteBuffer.wrap(buff, start, end-start));
        return new String(cb.array(), cb.arrayOffset(), cb.length());
    }


    /**
     * @deprecated Unused. Will be removed in Tomcat 8.0.x onwards.
     */

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          logger.debug("read {} characters", buffer.remaining());


          counterGroup.addAndGet("characters.received",
              Long.valueOf(buffer.limit()));


          builder.append(buffer.array(), buffer.position(), buffer.length());
        }


        if (builder.charAt(builder.length() - 1) == '\n') {
          builder.deleteCharAt(builder.length() - 1);
        }

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    ByteBuffer in = ByteBuffer.wrap(getUnibytes());
    out = decoder.decode(in);
    assertEquals(out.position(), 0);
    assertEquals(out.limit(), unistr.length());
    assertEquals(out.remaining(), unistr.length());
    assertEquals(new String(out.array(), 0, out.limit()), unistr);
  }


  public void testDecodeByteBufferException()
      throws CharacterCodingException, UnsupportedEncodingException {
    CharBuffer out;

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    decoder.reset();
    in = ByteBuffer.wrap(getUnibytes());
    out.rewind();
    assertSame(CoderResult.OVERFLOW, decoder.decode(in, out, false));


    assertEquals(new String(out.array()), unistr.substring(0, 4));
    out = CharBuffer.allocate(100);
    assertSame(CoderResult.UNDERFLOW, decoder.decode(in, out, false));
    assertCharBufferValue(out, unistr.substring(4));
    in.rewind();
    out = CharBuffer.allocate(100);

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            Charset charset = defaultCharset();
            int result;
            CharBuffer cb = charset
                    .decode(ByteBuffer.wrap(data, start, length));
            if ((result = cb.length()) > 0) {
                value = cb.array();
                count = result;
            } else {
                count = 0;
                value = new char[0];
            }

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              // do nothing. according to spec: 
              // behavior is unspecified for invalid array
              cb = CharBuffer.wrap("\u003f".toCharArray()); //$NON-NLS-1$
            }
            if ((result = cb.length()) > 0) {
                value = cb.array();
                count = result;
            } else {
                count = 0;
                value = new char[0];
            }

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            CharsetDecoder decoder = charset.newDecoder();
            CharBuffer decodedBuffer = decoder.decode(
                    ByteBuffer.wrap(_byteArrayOutputStream.getInnerArray(),
                            0,_byteArrayOutputStream.getInnerCount()));
            if (decodedBuffer.hasArray()){
                out.write(decodedBuffer.array());
            }
        }


        public void reset()
        {

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            this(bytes, Charset.forName(charset));
        }


        public ByteArrayCodepointIterator(byte[] bytes, Charset charset) {
            CharBuffer cb = charset.decode(ByteBuffer.wrap(bytes));
            buffer = cb.array();
            position = cb.position();
            limit = cb.limit();
        }
    }

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