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

        BlockUTF8.fromChars(cb, bb) ;
        bb.flip() ;
        CharBuffer cb2 = CharBuffer.allocate(N) ;
        BlockUTF8.toChars(bb, cb2) ;
        // compare cb and cb2.
        String str = new String(cb2.array(), 0, cb2.position()) ;
        assertEquals(x, str) ;


        // And re-code as bytes.
        CharBuffer cb3 = CharBuffer.wrap(x.toCharArray()) ;
        ByteBuffer bb3 = ByteBuffer.allocate(4*N) ;

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    {
        // I think that the copy from some mutable collector to immutable string is inevitable in java.  
        int len = bb.remaining() ;
        CharBuffer cb = CharBuffer.allocate(len) ;
        toChars(bb, cb) ;
        return new String(cb.array(), 0, cb.position()) ;
    }


    // Using buffer access.
    private static void toCharsBuffer(ByteBuffer bb, CharBuffer cb)
    {

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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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        // 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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                continue;
            char[] ch = Character.toChars(i);
            for (char c : ch)
                cb.append(c);
        }
        String s = new String(cb.array());
        byte[] arr = s.getBytes("UTF8");
        ByteBuffer buf = ByteBuffer.wrap(arr);
        UTF8Type.instance.validate(buf);
        
        // some you might not expect.

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                continue;
            char[] ch = Character.toChars(i);
            for (char c : ch)
                cb.append(c);
        }
        String s = new String(cb.array());
        byte[] arr = s.getBytes("UTF8");
        ByteBuffer buf = ByteBuffer.wrap(arr);
        UTF8Type.instance.validate(buf);


        // some you might not expect.

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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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            offset = 0;
            lastCharset = encoding;
            
            CharBuffer cb = encoding
                    .decode(ByteBuffer.wrap(data, start, length));
            value = cb.array();
            count = cb.length();
        } else {
            throw new StringIndexOutOfBoundsException();
        }
    }

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