xml11serializer.java

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                }
                continue;
            }
            if (ch == '\n' || ch == '\r' || ch == '\t' || ch == 0x0085 || ch == 0x2028){
				printHex(ch);
			} else if (ch == '<') {
				_printer.printText("&lt;");
			} else if (ch == '&') {
				_printer.printText("&amp;");
			} else if (ch == '"') {
				_printer.printText("&quot;");
			} else if ((ch >= ' ' && _encodingInfo.isPrintable((char) ch))) {
				_printer.printText((char) ch);
			} else {
				printHex(ch);
			}
        }
    }

    protected final void printCDATAText(String text) throws IOException {
        int length = text.length();
        char ch;

        for (int index = 0; index < length; ++index) {
            ch = text.charAt(index);

            if (ch == ']'
                && index + 2 < length
                && text.charAt(index + 1) == ']'
                && text.charAt(index + 2) == '>') { // check for ']]>'
                if (fDOMErrorHandler != null){
                    // REVISIT: this means that if DOM Error handler is not registered we don't report any
                    // fatal errors and might serialize not wellformed document
                if ((features & DOMSerializerImpl.SPLITCDATA) == 0
                    && (features & DOMSerializerImpl.WELLFORMED) == 0) {
                    // issue fatal error
                    String msg =
                        DOMMessageFormatter.formatMessage(
                            DOMMessageFormatter.SERIALIZER_DOMAIN,
                            "EndingCDATA",
                            null);
                    modifyDOMError(
                        msg,
                        DOMError.SEVERITY_FATAL_ERROR,
                        null, fCurrentNode);
                    boolean continueProcess =
                        fDOMErrorHandler.handleError(fDOMError);
                    if (!continueProcess) {
                        throw new IOException();
                    }
                } else {
                    // issue warning
                    String msg =
                        DOMMessageFormatter.formatMessage(
                            DOMMessageFormatter.SERIALIZER_DOMAIN,
                            "SplittingCDATA",
                            null);
                    modifyDOMError(
                        msg,
                        DOMError.SEVERITY_WARNING,
                        null, fCurrentNode);
                    fDOMErrorHandler.handleError(fDOMError);
                }
                }
                // split CDATA section
                _printer.printText("]]]]><![CDATA[>");
                index += 2;
                continue;
            }

            if (!XML11Char.isXML11Valid(ch)) {
                // check if it is surrogate
                if (++index < length) {
                    surrogates(ch, text.charAt(index));
                } else {
                    fatalError(
                        "The character '"
                            + (char) ch
                            + "' is an invalid XML character");
                }
                continue;
            } else {
                if (_encodingInfo.isPrintable((char) ch)
                    && XML11Char.isXML11ValidLiteral(ch)) {
                    _printer.printText((char) ch);
                } else {

                    // The character is not printable -- split CDATA section
                    _printer.printText("]]>&#x");
                    _printer.printText(Integer.toHexString(ch));
                    _printer.printText(";<![CDATA[");
                }
            }
        }
    }


    // note that this "int" should, in all cases, be a char.
    // REVISIT:  make it a char...
    protected final void printXMLChar( int ch ) throws IOException {
    	
    	if (ch == '\r' || ch == 0x0085 || ch == 0x2028) {
			printHex(ch);
    	} else if ( ch == '<') {
            _printer.printText("&lt;");
        } else if (ch == '&') {
            _printer.printText("&amp;");
		} else if (ch == '>'){
			// character sequence "]]>" can't appear in content, therefore
			// we should escape '>' 
			_printer.printText("&gt;");
        } else if ( _encodingInfo.isPrintable((char)ch) && XML11Char.isXML11ValidLiteral(ch)) { 
            _printer.printText((char)ch);
        } else {
             printHex(ch);
        }
    }



    protected final void surrogates(int high, int low) throws IOException{
        if (XMLChar.isHighSurrogate(high)) {
            if (!XMLChar.isLowSurrogate(low)) {
                //Invalid XML
                fatalError("The character '"+(char)low+"' is an invalid XML character"); 
            }
            else {
                int supplemental = XMLChar.supplemental((char)high, (char)low);
                if (!XML11Char.isXML11Valid(supplemental)) {
                    //Invalid XML
                    fatalError("The character '"+(char)supplemental+"' is an invalid XML character"); 
                }
                else {
                    if (content().inCData ) {
                        _printer.printText("]]>&#x");                        
                        _printer.printText(Integer.toHexString(supplemental));                        
                        _printer.printText(";<![CDATA[");
                    }  
                    else {
						printHex(supplemental);
                    }
                }
            }
        } else {
            fatalError("The character '"+(char)high+"' is an invalid XML character"); 
        }

    }


    protected void printText( String text, boolean preserveSpace, boolean unescaped )
    throws IOException {
        int index;
        char ch;
        int length = text.length();
        if ( preserveSpace ) {
            // Preserving spaces: the text must print exactly as it is,
            // without breaking when spaces appear in the text and without
            // consolidating spaces. If a line terminator is used, a line
            // break will occur.
            for ( index = 0 ; index < length ; ++index ) {
                ch = text.charAt( index );
                if (!XML11Char.isXML11Valid(ch)) {
                    // check if it is surrogate
                    if (++index <length) {
                        surrogates(ch, text.charAt(index));
                    } else {
                        fatalError("The character '"+(char)ch+"' is an invalid XML character"); 
                    }
                    continue;
                }
                if ( unescaped  && XML11Char.isXML11ValidLiteral(ch)) {
                    _printer.printText( ch );
                } else
                    printXMLChar( ch );
            }
        } else {
            // Not preserving spaces: print one part at a time, and
            // use spaces between parts to break them into different
            // lines. Spaces at beginning of line will be stripped
            // by printing mechanism. Line terminator is treated
            // no different than other text part.
            for ( index = 0 ; index < length ; ++index ) {
                ch = text.charAt( index );
                if (!XML11Char.isXML11Valid(ch)) {
                    // check if it is surrogate
                    if (++index <length) {
                        surrogates(ch, text.charAt(index));
                    } else {
                        fatalError("The character '"+(char)ch+"' is an invalid XML character"); 
                    }
                    continue;
                }

                if ( unescaped && XML11Char.isXML11ValidLiteral(ch) )
                    _printer.printText( ch );
                else
                    printXMLChar( ch);
            }
        }
    }



    protected void printText( char[] chars, int start, int length,
                              boolean preserveSpace, boolean unescaped ) throws IOException {
        int index;
        char ch;

        if ( preserveSpace ) {
            // Preserving spaces: the text must print exactly as it is,
            // without breaking when spaces appear in the text and without
            // consolidating spaces. If a line terminator is used, a line
            // break will occur.
            while ( length-- > 0 ) {
                ch = chars[start++];
                if (!XML11Char.isXML11Valid(ch)) {
                    // check if it is surrogate
                    if ( length-- > 0) {
                        surrogates(ch, chars[start++]);
                    } else {
                        fatalError("The character '"+(char)ch+"' is an invalid XML character"); 
                    }
                    continue;
                }
                if ( unescaped && XML11Char.isXML11ValidLiteral(ch))
                    _printer.printText( ch );
                else
                    printXMLChar( ch );
            }
        } else {
            // Not preserving spaces: print one part at a time, and
            // use spaces between parts to break them into different
            // lines. Spaces at beginning of line will be stripped
            // by printing mechanism. Line terminator is treated
            // no different than other text part.
            while ( length-- > 0 ) {
                ch = chars[start++];
                if (!XML11Char.isXML11Valid(ch)) {
                    // check if it is surrogate
                    if ( length-- > 0) {
                        surrogates(ch, chars[start++]);
                    } else {
                        fatalError("The character '"+(char)ch+"' is an invalid XML character"); 
                    }
                    continue;
                }
              
                if ( unescaped && XML11Char.isXML11ValidLiteral(ch))
                    _printer.printText( ch );
                else
                    printXMLChar( ch );
            }
        }
    }


    public boolean reset() {
        super.reset();
        return true;

    }

}