Examples of java.nio.charset.CharsetEncoder.encode()

java.nio.charset.CharsetEncoder.encode()
This is a facade method for encoding operation.
This method encodes the remaning character sequence of the given character buffer into a new byte buffer. This method performs a complete encoding operation, resets at first, then encodes, and flushes at last.

This method should not be invoked if another encode operation is ongoing.
@param in the input buffer @return a new ByteBuffer containing the the bytes producedby this encoding operation. The buffer's limit will be the position of last byte in buffer, and the position will be zero @throws IllegalStateException if another encoding operation is ongoing @throws MalformedInputException if illegal input character sequence for this charset encountered, and the action for malformed error is {@link CodingErrorAction#REPORT CodingErrorAction.REPORT} @throws UnmappableCharacterException if legal but unmappable input character sequence for this charset encountered, and the action for unmappable character error is {@link CodingErrorAction#REPORT CodingErrorAction.REPORT}. Unmappable means the Unicode character sequence at the input buffer's current postion cannot be mapped to a equivalent byte sequence. @throws CharacterCodingException if other exception happened during the encode operation

        us.limit(us.position());
        us.position(0);
        bs.limit(bs.position());
        bs.position(0);
        
        result = encoder.encode(us, bs, true);
        if (!result.isOverflow()) {
            errln("Overflow error while encoding UTF32 charset (5) should have occurred.");
        } 
        
        us.clear();

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        us.limit(us.position());
        us.position(0);
        bs.limit(bs.position());
        bs.position(0);
        
        result = encoder.encode(us, bs, true);
        if (!result.isMalformed()) {
            errln("Malform error while encoding UTF32 charset (6) should have occurred.");
        } 
        //end of encoding code coverage
    }

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        us2.limit(limit_us);
        us2.position(0);
        bs.limit(limit_bs);
        bs.position(0);
        
        result = encoder.encode(us2, bs, true); 
        if (!result.isUnderflow() || !equals(bs, bs2)) {
            errln("Error while encoding UTF-8 (1) should not have occured.");
        }  
        
        us.clear();

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        us2 = us.asReadOnlyBuffer();
        us2.limit(limit_us);
        us2.position(0);
        bs.limit(1);
        bs.position(0);
        result = encoder.encode(us2, bs, true);
        if (!result.isOverflow()) {
            errln("Overflow Error should have occured while encoding UTF-8 (2).");
        }
        
        encoder.reset();

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        us2.limit(limit_us);
        us2.position(1);
        bs.limit(1);
        bs.position(0);
        result = encoder.encode(us2, bs, true);
        if (!result.isOverflow()) {
            errln("Overflow Error should have occured while encoding UTF-8 (3).");
        }
        
        encoder.reset();

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        us2.limit(limit_us);
        us2.position(1);
        bs.limit(2);
        bs.position(0);
        result = encoder.encode(us2, bs, true);
        if (!result.isOverflow()) {
            errln("Overflow Error should have occured while encoding UTF-8 (4).");
        }
        
        encoder.reset();

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        us2.limit(limit_us);
        us2.position(0);
        bs.limit(2);
        bs.position(0);
        result = encoder.encode(us2, bs, true);
        if (!result.isOverflow()) {
            errln("Overflow Error should have occured while encoding UTF-8 (5).");
        }   
        
        //not readonly buffer

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        us.limit(limit_us);
        us.position(0);
        bs.limit(1);
        bs.position(0);
        result = encoder.encode(us, bs, true);
        if (!result.isOverflow()) {
            errln("Overflow Error should have occured while encoding UTF-8 (6).");
        }
        
        encoder.reset();

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        us.limit(limit_us);
        us.position(0);
        bs.limit(3);
        bs.position(0);
        result = encoder.encode(us, bs, true);
        if (!result.isOverflow()) {
            errln("Overflow Error should have occured while encoding UTF-8 (7).");
        }
        
        encoder.reset();

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        us.limit(limit_us);
        us.position(1);
        bs.limit(2);
        bs.position(0);
        result = encoder.encode(us, bs, true);
        if (!result.isOverflow()) {
            errln("Overflow Error should have occured while encoding UTF-8 (8).");
        }   
        
        encoder.reset();

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